Amerec AK Generator, "AK4.5", "AK6", "AK7.5", "AK9", "AK11" & "AK14" Mode d'emploi

Marque
Amerec
Modèle
AK Generator, "AK4.5", "AK6", "AK7.5", "AK9", "AK11" & "AK14"
Taper
Mode d'emploi
AK INSTALLATION AND SERVICE INSTRUCTIONS
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These instructions apply to the
AK4.5, AK6, AK7.5, AK9, AK11 and AK14
208V and 240V 1/3 Phase Models.
(Use 240V models for 400-415V~N3 installations)
FOR USE WITH R30, K60 AND KT60 CONTROLS
SAVE THESE INSTRUCTIONS
READ ALL INSTRUCTIONS CAREFULLY BEFORE INSTALLATION.
POST SAFETY "WARNING" LABEL OUTSIDE STEAMBATH. LABEL
SHOULD BE POSTED ON OR ADJACENT TO DOOR TO STEAM
ROOM IN COMMERCIAL INSTALLATIONS.
SECTION 1: GENERAL INFORMATION
Amerec steam generators are tested by Intertek-ETL Laboratory. The
steam generators come assembled and ready for installation. Check that
the size and rating of the generator is suitable for your application: refer to
the AK Steam Room Sizing and Rough-in Guide (Amerec doc. 4211-36).
The AK steamers may be connected as a ganged system where one
steamer controls one or two other steamers. Bath controls connect to the primary steamer and the primary steamer
connects to the second steamer (and third steamer, if installed). This provides more power for large rooms and light
commercial use. See appendix to this document for details.
We recommend choosing steamers which are closely matched in power. The highest kW steamer should be the
primary unit. Each steamer should have its own automatic drain.
For commercial use, we recommend checking with your local inspectors to confirm the AK system is acceptable for
your use. Many jurisdictions will require an ASME boiler for commercial use: AK steamers are not boilers.
Note: The AK steamer may be configured for single or three phase power during installation
IMPORTANT
An exhaust fan installed outside the steam room is strongly recommended
to remove excess steam from the bathroom or shower area.
R30
OR
AK STEAM GENERATOR
K60/KT60
CAUTION
Electrical grounding is required on all
AMEREC Steam bath Generators.
All electrical supplies should be
disconnected when servicing generator.
All wiring must be installed by a licensed
electrical contractor in accordance with
local and national codes.
All plumbing must be installed by a
licensed plumber in accordance with all
applicable local and national codes.
AK series generators are
for indoor use only.
AK series generators are not for
space heating purposes.
Be certain that steam bath enclosures
are properly sealed to avoid water
damage from escaping steam. It is
recommended that 100% silicone caulk
be used to seal all pipes and fittings.
Steam must be prevented from escaping
into the wall cavity.
Never shut off the water to a
steam generator that is in use.
Electric Shock Hazard - High voltage
exists within this equipment. There
are no user serviceable parts in this
equipment.
AK INSTALLATION AND SERVICE INSTRUCTIONS
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TABLE OF CONTENTS
Section Description Page
Important Safety Instruction 3-6
1 Mounting the Generator 7-8
2 Water Quality Requirements 8
3 Plumbing Instructions 9-12
4 Wiring Instructions 12
Electrical Information Chart 13
5 Bath Control Installation 14-16
6 Control Options 17
7 Initial Start 18
Contact Information 18
Wiring Diagrams 19-20
AK System Installation Instructions Appendix
AK INSTALLATION AND SERVICE INSTRUCTIONS
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WARNING
Thank you for purchasing your new AMEREC AK steam generator.
If we can be of any assistance, please call our Technical Support at 1-800-363-0251 or 1-425-951-1120
FOR THE SAFETY OF YOU AND YOUR FAMILY OR CUSTOMERS, PLEASE READ THE
FOLLOWING WARNINGS AND ALL INSTRUCTIONS BEFORE USING YOUR STEAMBATH.
POST "STEAMBATH INSTRUCTIONS" LABEL OUTSIDE STEAMBATH FOR SAFETY WARNINGS.
SAVE THIS MANUAL
FOR THE SAFETY OF YOU AND YOUR FAMILY OR CUSTOMERS, PLEASE READ THE
FOLLOWING WARNINGS AND ALL INSTRUCTIONS BEFORE USING YOUR STEAMBATH.
POST "STEAMBATH INSTRUCTIONS" LABEL OUTSIDE STEAMBATH FOR SAFETY WARNINGS.
Electric Shock Hazard - High voltage exists within this equipment. Disconnect all electrical power before
servicing the generator. All installation and service to this equipment should be performed by qualified
licensed personnel in accordance with local and national codes. There are no user serviceable parts in
this equipment.
Electrical grounding is required on all AMEREC steambath generators. The generator is designed for hookup with
copper wire only, 75°C or better.
Wire the controls exactly as described. Do not connect any additional wiring or power supplies to the controls or
their terminals in the generator.
Service only by authorized personnel!
All plumbing must be installed by a licensed plumber in accordance with all applicable local and national codes.
Install indoors only. Protect from freezing. Generator must be level side to side and end to end.
The pressure relief valve and generator drain must be installed in such a fashion that the risk of scalding is reduced
to a minimum. Draining these outlets into the steam room may present a scald hazard and may damage materials
used to construct the room.
Danger To reduce the risk of explosions, do not interconnect t steam lines!!
Caution The steam outlet carries hot vapor! A separate steam line is required for each steam outlet.
Do not connect a valve or shut-off in the steam line! Avoid traps and valleys in the steam line where
water could collect and cause a steam blockage. The hot steam line must be insulated against user contact.
Do not install the steam head near a bench or where steam may spray or where condensation will drip on the user
as this will present a scald hazard.
Be certain that steambath enclosures are properly sealed to avoid water damage from escaping steam. It is
recommended that 100% silicone caulk be used to seal all pipes and fittings. Steam must be prevented from
escaping into the wall cavity. Centering the steam pipe is critical in rooms made of plastic, acrylic, resin, fiberglass
or similar materials. Allowing the steam pipe to touch materials not rated 240°F (115°C) or higher will result in
damage to these materials.
AK INSTALLATION AND SERVICE INSTRUCTIONS
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AVERTISSMENT
Merci pour l'achat de votre nouveau AMEREC AK générateur de vapeur.
Si nous pouvons vous être utiles n'hésitez pas à appeler notre assistance technique au 1-800-363-0251.
POUR LE SËCURITË DE VOTRE FAMILLE ER VOUS OU CLIENTS, VEUILLEZ
LIRE LES AVERTISSEMENTS SUIVANTS ET TOUTES LES INSTRUCTIONS AVANT
D'UTILISER VOTRE BAIN DE VAPEUR.
POST "BAIN DE VAPEUR" LABEL HORS D UN BAIN DE d'INSTRUCTIONS
POUR DES AVERTISSEMENTS EN MATIÈRE DE SÉCURITÉ.
ENREISTREZ CE MANUEL
POUR LA SËCURITË DE VOTRE FAMILLE ET VOUS OU VOS CLIENTS, VEUILLEZ LIRE
APRèS AVERTISSEMENTS ET TOUTES LES INSTRUCTIONS AVANT D'UTILISER VOTRE BAIN DE VAPEUR.
POST "BAIN DE VAPEUR" LABEL HORS D' UN BAIN DE VAPEUR D'INSTRUCTIONS POUR DES
AVERTISSEMENTS EN MATIÈRE DE SËCURITË.
Risque de choc électrique - Haute tension existe au sein de ce matériel. Débranchez toute source d'alimentation
avant de procéder à l'entretien du générateur. Toutes les instructions d'installation et service à cet équipement doit
être effectuée par du personnel autorisé qualifié conformément aux codes locaux et nationaux. Il n'y a pas de pièce
réparable par l'utilisateur à cet équipement.
Mise à la terre électrique est requis sur tous les générateurs bain de vapeur AMEREC. Le générateur est conçu pour connecter
un fil de cuivre uniquement, 75 °C ou mieux.
Câbler le contrôle très exactement comme indiqué. Ne connectez aucun câblage supplémentaire ou blocs d'alimentation pour
les commandes ou leurs terminaux dans le générateur.
Service uniquement par le personnel autorisé!
Toute la tuyauterie doit être installé par un plombier sous licence conformément à tous les codes locaux et nationaux
applicables.
Installer à l'intérieur uniquement. Protéger du gel. Générateur doit être mise à niveau latérale et l'extrémité à l'autre.
La valve de limitation de pression et purge du générateur doit être installé de telle façon que le risque de brûlure est réduit à un
minimum. Vidange de ces prises dans la salle de vapeur peut présenter un risque de brûlure et peut endommager les matériaux
utilisés pour construire la salle.
Danger Pour réduire les risques d'explosion, ne pas connecter les conduites de vapeur t!!
Attention La sortie vapeur transporte vapeur chaude ! Une conduite de vapeur distincte est requise pour chaque
sortie vapeur. Ne connectez pas une valve ou l'arrêter dans la conduite de vapeur! Éviter les pièges et les vallées
dans la conduite de vapeur où l'eau pourrait recueillir et provoquer un blocage de vapeur. La vapeur chaude ligne doit être
isolée par rapport au contact de l'utilisateur.
Ne pas installer la tête de vapeur près d'un banc ou où la vapeur peut pulvériser ou où la condensation s'égoutter sur l'utilisateur
comme cela présentera un risque de brûlure.
Etre certain que le bain de vapeur boîtiers sont étanches afin d'éviter les dégâts d'eau de s'échapper la vapeur. Il est
recommandé que 100% mastic au silicone utilisée pour obturer tous les raccords et tuyaux. La vapeur doit être empêché de
s'échapper dans la cavité du mur. Centrage du tube à vapeur est critique dans les chambres faites de plastique, de l'acrylique,
résine, la fibre de verre ou des matériaux similaires. Permettant le tube à vapeur pour toucher les matériaux non coté 115°C ou
plus aura pour effet d'endommager ces matériaux.
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POST "WARNING LABEL OUTSIDE STEAMBATH FOR SAFETY WARNINGS
Étiquette d'avertissement "Extérieur poste baiin de vapeur pour les avertissements relatifs à la sécurité
AK INSTALLATION AND SERVICE INSTRUCTIONS
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IMPORTANT USER SAFETY INSTRUCTIONS
1. READ AND FOLLOW ALL INSTRUCTIONS.—SAVE THESE INSTRUCTIONS!
2. The steam bath is not intended for use by anyone (including children) with reduced physical, sensory or mental capabilities or who lack
experience or knowledge, unless they have supervision or training on the use of the steam bath by a person responsible for their safety.
3. WARNING - To reduce the risk of injury, do not permit children to use this product unless they are closely supervised at all times. Ensure
they do not play in the steam bath.
4. WARNING - To reduce the risk of injury:
a. The wet surfaces of steam enclosures may be slippery. Use care when entering or leaving.
b. The steam head is hot. Do not touch the steam head and avoid the steam near the steam head.
c. Prolonged use of the steam system can raise excessively the internal human body temperature and impair the body’s ability to
regulate its internal temperature (hyperthermia). Limit your use of steam to 10 to 15 minutes until you are certain of your body’s
reaction.
d. Excessive temperatures have a high potential for causing fetal damage during the early months of pregnancy. Pregnant or possibly
pregnant women should consult a physician regarding correct exposure.
e. Obese persons and persons with a history of heart disease, low or high blood pressure, circulatory system problems, or diabetes
should consult a physician before using a steam bath.
f. Persons using medication should consult a physician before using a steam bath since some medication may induce drowsiness while
other medications may affect heart rate, blood pressure and circulation.
5. WARNING - Hyperthermia occurs when the internal temperature of the body reaches a level several degrees above the normal body
temperature of 98.6°F (37°C). The symptoms of hyperthermia include an increase in the internal temperature of the body, dizziness,
lethargy, drowsiness and fainting. The effects of hyperthermia include:
a. Failure to perceive heat:
b. Failure to recognize the need to exit the steam bath:
c. Unawareness of impending risk:
d. Fetal damage in pregnant women:
e. Physical inability to exit the steam bath: and
f. Unconsciousness.
6. WARNING - The use of alcohol, drugs or medication can greatly increase the risk of hyperthermia
1. Lire et suivre toutes les instructions. -- Conservez ces instructions !
2. Le bain de vapeur n'est pas destiné à être utilisé par toute personne (y compris les enfants) avec toutes leurs capacités physiques,
sensorielles ou mentales ou qui manquent d'expérience ou de connaissances, à moins qu'ils aient la supervision ou de la formation sur
l'utilisation du bain de vapeur par une personne responsable de leur sécurité.
3. Avertissement : Pour réduire les risques de blessures, ne pas permettre aux enfants d'utiliser ce produit, sauf s'ils sont étroitement
surveillés en tout temps. S'assurer qu'ils ne jouent pas dans le bain de vapeur.
4. Avertissement : pour limiter les risques de blessure :
a. Les surfaces mouillées de boîtiers de vapeur peut être glissant. Soyez prudent lorsque vous entrant ou sortant.
b. La tête de vapeur est chaud. Ne pas toucher la tête de vapeur et éviter la vapeur près de la tête de vapeur.
c. Une utilisation prolongée de la chaudière à vapeur peut augmenter excessivement la température du corps humain et d interne
nuisent à la capacité du corps de régler sa température interne (hyperthermie). Limitez votre consommation de vapeur pour 10 à 15
minutes jusqu'à ce que vous soyez certain de la réaction de votre corps.
d. Des températures excessives ont un haut potentiel de causer de dommages foetaux pendant les premiers mois de la grossesse.
Enceinte ou peut-être les femmes enceintes devraient consulter un médecin au sujet de l'exposition correcte.
e. Les personnes obèses et les personnes ayant des antécédents de maladie du coeur, tension artérielle basse ou élevée, des
problèmes du système circulatoire ou de diabète devraient consulter un médecin avant d'utiliser un bain de vapeur.
f. Les personnes qui utilisent ces médicaments devraient consulter un médecin avant d'utiliser un bain à vapeur depuis quelques
médicaments peut induire une somnolence tandis que d'autres médicaments peuvent affecter la fréquence cardiaque, la tension
artérielle et de la circulation.
5. Avertissement - L'hyperthermie survient lorsque la température interne du corps atteint un niveau à plusieurs degrés au-dessus de la
normale de la température corporelle de 37 °C. Les symptômes de l'hyperthermie comprennent une augmentation de la température
interne du corps, sensation vertigineuse, léthargie, somnolence et d'évanouissement. Les effets de l'hyperthermie comprennent :
a. L'incapacité de percevoir la chaleur
b. L'incapacité à reconnaître la nécessité de quitter le bain de vapeur :
c. La méconnaissance de l'imminence d'un risque :
d. Dommages au foetus chez les femmes enceintes :
e. Incapacité physique pour quitter le bain de vapeur : et
f. L'inconscience.
6. Avertissement - La consommation d'alcool, de drogues ou de médicaments peut augmenter considérablement le risque d'une
hyperthermie
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SECTION 1: MOUNTING THE STEAM GENERATOR
DIAGRAM 1
DIAGRAM 2
The AMEREC steam generator can be hung on a wall or sit on its base. The best mounting location will satisfy all
or most of the following:
WARNING: The generator will not operate properly, unless it is mounted level with the arrows pointed up
1. The generator should be installed in a dry, well ventilated area. Suggested locations are under a vanity, in
a closet, attic, crawl space or basement. Do not mount outdoors.
2. If the generator will be in an area difficult to access, the water supply should be equipped with easily access
water shut-off valve in case of emergency.
3. If the steam line is in an area where the temperature will be below 39°F (4°C) best results can be obtained by
insulating the steam pipe. Do Not mount the generator in an area subject to freezing.
4. The generator must be mounted in a minimum 7 cubic feet (0,2 cubic meter) space.
5. The location must allow access for service! Provide clearance for plumbing and electrical service and for
element removal. See Diagram 1.
6. The steam line should slope to allow condensation to drain. The mounting location should minimize the number
of bends and elbows in the steam line
7. The mounting location should allow for a drain hook up.
8. The steam line should be less than 20ft (6 m) long; 10ft (3 m) is preferred. Steam lines over 20ft (6 m) long
should be insulated.
WARNING
• There must be no dips or valleys in the steam line.
• Install the steam head so as to avoid potential user direct contact with the steam or where condensation may
drip on the user as this may present a scald hazard.
• Do Not install any valves or other shut-off devices in the steam line!
• Do Not interconnect steam lines! A separate steam line is required for each generator!
• Do Not connect the drain line to the steam line or allow the drain empty into the steam room!
• Do Not connect the pressure relief valve into the steam line or vent it where someone nearby could be scalded!
Do Not allow the relief valve to vent into the steam room!
Leave 13” [330 mm]
Service Clearance
13.2”
[335,3 mm]
0.8”
[20,3 mm]
Steamer must be level
End-to-End and
Front to Back
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SECTION 1: MOUNTING THE STEAM GENERATOR (continued)
1. WALL MOUNTING: Remove the side cover. Note the location of the
mounting holes on the back of the generator. The screws must set
directly into studs or equivalent supports. Drill pilot holes on 14-1/2”
(368 mm) centers and install the two #10 1½" screws, provided.
See at right.
a) Carefully hang the generator on the two screws. Tighten the
screws.
b) The generator may be further secured with two screws mounted on
the same 14-1/2” (368 mm) centers as shown.
c) Replace the front cover with its four screws.
2. FLOOR MOUNTING:
a) In general, the width of the unit allows it to sit on a shelf, across the
ceiling joists or on a floor. The generator must be restrained from
moving. Normally, the piping will provide adequate support. If not,
additional support must be provided.
b) All floor installed generators must provide for routine draining of the
tank and for draining the safety valve’s outlet.
SECTION 2: WATER QUALITY REQUIREMENTS
The nature of a boiler or steam bath generator requires testing of the
feedwater to avoid potential high concentrations of impurities which can
cause a deposit or scale to form on the internal surfaces. This deposit
or scale can interfere with the equipment's proper operation and even
cause premature boiler or generator failure. Concentration of impurities
is generally controlled by treating the feedwater and or "blowing down"
the generator or boiler when it is not heating. The "blow down" process involves removing a portion of the tank
water with high solid concentration and replacing it with makeup water.
This is particularly important in areas with high calcium levels and other water quality problems. Calcium build-up
can cause poor steamer performance and damage the heating elements!
Be especially careful to prevent foaming in the steamer’s water! Foaming water will affect the water level
measuring systems in steamers and boilers, causing operation problems and possibly leading to early element
failures!
To insure proper operation, the water supply should be tested prior to operating the equipment. There are several
treatment processes which can be used if you have a problem with hard water. A local reliable water treatment
company can recommend the appropriate treatment if required. The recommended feedwater quality is listed on
the next page.
Recommended Feedwater Quality
Hardness 10 – 30 ppm - (0.5 - 1.75 gpg)
T-Alkalinity 150 – 700 ppm - (8.75 - 40.8 gpg)
Silica Range 15 – 25 ppm - (1.28 - 1.45 gpg)
PH (strength of alkalinity) 10.5 -- 11.5
WALL MOUNTING
14.5” [368 mm]
14.5” [368 mm]
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IMPORTANT!
Regular maintenance will help your steamer work properly for a long time. Check for leaks,
loose or damaged wires, signs of corrosion and calcium build up in the tank on the level probe.
SECTION 3: PLUMBING INSTRUCTIONS
All plumbing shall be installed by a licensed plumber and conform with local & national codes.
Materials Needed:
• 3/8NPT, 1/2NPT and 3/4NPT unions: recommended to allow easy disconnect of steamer for servicing
• 3/8" copper pipe and 3/8” male NPT adapter for the water supply to the generator.
• 3/8" water supply shut-off valve.
• 3/8" supply valve housing and filter (optional depending on local water conditions).
• 1/2" copper pipe and (2) 1/2" male NPT adapters for the steam line between the generator and the steam room
outlet.
• 3/4" copper pipe and 3/4" male NPT adapter for the tank drain.
• 3/4" copper pipe, fittings, and a union for the Pressure Relief Safety Valve drain.
• Tube 100% silicone caulk.
• Pipe compound suitable for drinking water use at more than 212°F (100°C).
1. INSTALL WATER LINE Connect a cold water line to the generators water valve. The valve input is 3/8” NPT. A
shut-off valve should be placed in the line for each generator to allow easier servicing later, if needed, and for
emergency shut-off. Make sure the shut-off is open, providing water to the generator before first turning the on.
IMPORTANT
• Water pressure required: 20-100 psi (138-690 kPa)
• If the generator is mounted in a place difficult for the home owner to access, the water supply
shut-off valve should be located where it can be quickly accessed in an emergency.
• Do not use a saddle valve or saddle fitting for the water shut-off valve.
• Flush water supply line before final hookup.
2. INSTALL STEAM LINE
a) At the generator: Install a 1/2" male NPT sweat adapter directly into the tank. Install a 1/2" union in the steam
line to allow easy disconnection for later servicing. Note: There must be no valves, shut offs or restrictions in
the steam line!
b) Run the 1/2" copper steam line from the generator to the steam room. Refer to SECTION 1: MOUNTING THE
STEAM GENERATOR and Diagrams 3a and 3b.
• The steam line must slope to allow condensation to drain into the tank or room.
• There must be no dips in the steam line. Low areas may collect condensation and cause faulty operation or
cause hot water to spit into the room.
c) The steam line should enter the steam room 18” (460 mm) above the floor or at least 12” (305 mm) above a tub
rim or ledge. The steam line outlet should be at least 6” (150 mm) from other steam heads to either side and
12” (305 mm) from walls or other surfaces to either side. See Diagrams 4, 5 and 6.
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SECTION 3: PLUMBING INSTRUCTIONS (continued)
Diagram 3a
Diagram 3b
Note: See Diagram 6 for a typical installation. Additional steam heads may be added to any installation to reduce
steam noise or to provide more steam dispersion around a large room. For large AK14 steamers, we recommend
using 2 steam heads to reduce the noise level while steaming.
Note: if steam vents are too close to other surfaces, the steam may be cooled and the surfaces damaged.
d) At the steam room: Drill/prepare a 1-3/8” (35 mm) hole for the
steam line entry. Center the 1/2" copper steam pipe in the hole.
See Diagram 4.
• Terminate the steam line with a 1/2" NPT male adapter.
• Stub the line out into the room 3/8” (9,5 mm) from the finished
surface.
• Secure the steam line to a structural member.
3. INSTALL STEAM HEAD INSULATOR: Fill in gap (using 100%
Silicone caulk between steam pipe and finished wall surface at point of
entry (see Diagram 4). Apply silicone caulk to the finished wall side of
the steam head insulator (see Diagram 5) and screw on hand tight until
it is flush with the wall with the opening pointing down. If a hand tight fit
does not align with the opening pointing down, use Teflon tape on the
steam line threads to adjust the fit.
DIAGRAM 4
3/8”
(9,5 mm)
FROM
WALL
1/2 NPT
1-3/8”
(35 mm)
HOLE
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SECTION 3: PLUMBING INSTRUCTIONS (continued)
4. INSTALL STEAM HEAD: Slide the steam head on until it rests firmly
against the finished wall. Tighten the hex head screw underneath the
steam head to secure it in place with the Allen wrench provided. The
steam head should be level with its fragrance reservoir at the top. See
Diagrams 4 and 6.
IMPORTANT
All fixture holes must be sealed with 100% silicon caulk
to avoid moisture damage within walls. Check all of the
standard fixtures in the steam room.
5. INSTALL PRESSURE RELIEF SAFETY VALVE: Install the pressure relief valve into its port on the generator.
Install the safety valve within 6” (150) mm of the generator. Run a 3/4" copper line from the valve to a gravity flow
drain. The pressure relief valve outlet must drain in accordance with local and national codes.
AUTODRAIN All generators must have a drain valve installed to
allow draining the tank for cleaning and maintenance. A manual
ball valve is supplied. An electronic ball valve is available in the
ADK Autodrain option. When installed, Autodrain automatically
rinses and empties the steam tank approximately 25 minutes
after a steam bath stops. This cleans the tank to reduce problems
caused by poor water quality and ensures every steam bath
starts with clean, fresh water. Contact Amerec Technical Support
for more information. Support@Amerec.com
or 1-425-951-1120
or at 1-800-363-0251
6. INSTALL DRAIN VALVE: Install 3/4" NPT pipe nipple directly
into the tank as shown in Diagram 7. Install a 3/4" ball valve or an
Autodrain on the nipple then add another nipple to the outlet of
the valve. Add a union to the outlet nipple to allow easy discon-
nection during servicing. Run a 3/4" copper line from the union to a gravity flow drain. The drain must be connected
in accordance with local and national codes.
DIAGRAM 5
DIAGRAM 6
DIAGRAM 7
SILICONE
BACK
SIDE
12” [305 mm]
6”
[150 mm]
ii
18”
[460 mm]
Shown with optional 2
nd
steam outlet.
HEATING ELEMENT
ACCESS
MANUAL VALVE
AUTODRAIN
VALVE
4” (100 mm)
3/4” PIPE
OR
Diagrams 7 and 8 show the optional Autodrain valve
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SECTION 3: PLUMBING INSTRUCTIONS (continued)
IMPORTANT
All drain lines must run downhill, away from the steam generator! Also see Diagram 3
• Do not run the drain uphill.
• Do not drain the safety valve into the steam line!
• Do not drain the safety valve into the steam room! Draining the tank into the steam room may present a
scald hazard or damage the materials used to construct the steam room.
• Do not drain into the steam room!
SECTION 4: WIRING INSTRUCTIONS
ALSO SEE ELECTRICAL INFORMATION CHART AND WIRING DIAGRAMS
1. ELECTRICAL ROUGH-IN: Size wire for the generator as required by local or national codes. See the electrical
information on page13 for further information. Use copper wire only. Leave 4 ft (1,2 m) of slack wire at generator
location for finish hookup. Connect the generator to a dedicated circuit breaker. A GFI device is usually not required
by safety agencies. One may be installed if required by local codes or the owner. A GFI device will tend to nuisance
trip due to heater element aging.
a. Route the copper supply wire with appropriate strain
relief through the hole marked POWER ENTRY.
b. Connect the supply wires to the power terminal block as
indicated on the wire diagram for your voltage and
phase. This may require moving factory installed
jumper. Do not change the steamer’s internal jumpers or
wiring. Only the supply wiring side of the terminal blocks
require configuration by the installer.
c. Connect the Earth wire to the copper Earth ground lug.
d. Cover the supply wires inside the steamer with a
protective mesh or similar material to protect them
from water valve heating.
2. ELECTRICAL INFORMATION The AK steamers are
available in 2 basic versions, one for 208V (intended for 208VAC single and three phase for North American use)
and 240V (intended for all other installations. The 240V models are rated at 240VAC and may be used on 208 to
240V single phase Line-to-Line or 208 to 240V~N (Line-to-Neutral) or 208V to 240V three phase Delta without
Neutral or for Y-connected three phase 380 to 415V~N3.
All Units are factory wired for single phase installation. The installer may change the input to three phase or three
phase with Neutral during initial installation (see the wiring diagrams on page 19-20).
The National Electrical Code (NEC) limits a steamer’s current to 48 Amps so, in some cases, two separate power
supplies are required: AK11 & AK14 208V single phase and AK14 240V single phase require this method
See page 20 for Mains Wiring Details. Note: jumpers shown are supplied with the steamer.
DIAGRAM 8
CONDUIT
KNOCKOUT
WIRE DRAIN BLOCK
TO TERMINAL
BLOCK NEXT TO
GROUND
AK INSTALLATION AND SERVICE INSTRUCTIONS
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Electrical Information
Model
Rated
VAC
Watts
Room Size
Cubic Feet
Cubic Meters
min
Max
min
Max
AK4.5
208
4500 60 90 1.70 2.55 240
415~N3
AK6
208
6000 80 150 2.27 4.25
240
415~N3
AK7.5
208
7510
100 200 2.83 5.66
240
7500
415~N3
AK9
208
9000 150 300 4.25 8.50
240
415~N3
AK11
208
11250
200 400 5.66 11.30 240
11000
415~N3
AK14
208
13750
350 550 9.91 15.60
240
14000
415~N3
Model
Rated
VAC
Amps
Phz
Breaker
Amps
3 Phz
Breaker
AK4.5
208
22
30
12
20
240
19
30
11
15
415~N3
6
15
AK6
208
29
40
17
30
240
25
40
14
20
415~N3
8
15
AK7.5
208
36
50
21
30
240
31
40
18
30
415~N3
10
15
AK9
208
43
60
25
40
240
38
50
22
30
415~N3
13
20
AK11
208
18 & 36
30 & 50
31
40
240
46
60
26
40
415~N3
16
20
AK14
208
24 & 42
30 & 60
38
50
240
21 & 38
30 & 60
34
50
415~N3
19
30
240V models may be used at 208 to 240V.
Operating on voltages lower than 240V will result
in reduced wattage. Contact Technical Support for
further information.
Single phase 240V models are designed for North
American 240V line to line Mains voltages (without
Neutral) or 240V~N international voltages.
Three phase 240V models may be wired during
installation for a 240V delta configuration or for a
415V~N3 Y-configuration. Neutral must be supplied
for 415V!
NEC Electrical code restrictions limit Mains current to
48A. Some single-phase models require two
separate Mains circuits to remain below 48A by
splitting the heating load
Also refer to the wiring diagrams on pages 19 and 20
for more information on connecting your steamer.
Notes:
All steamers must be on a dedicated branch
circuit!
Use only copper wire rated 600V~ and 75°C
minimum
All models require Earth ground
All line voltage must be more than 195V~
while the steamer is heating
Steamers must be connected to a means for
disconnecting all supply voltages
All AK14 and 208V AK11 single phase
require two Mains supplies
We recommend ceilings height be 8 ft (2,4m)
max. Higher ceilings may cause sitting area
to be uncomfortably cool.
AK INSTALLATION AND SERVICE INSTRUCTIONS
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SECTION 5. K60 & KT60 BATH CONTROLS
1. TEMPERATURE SENSOR CABLE ROUGH-IN (low voltage) It is required that the sensor be mounted in the
steam room, but not directly over the steam dispersion head or near the door. The sensor should be located in a
wall 6” (150 mm) below the ceiling but no more than 7ft (2,1 m) above the floor. String the sensor cable from the
sensor location through 1/2:” (12 mm) holes in the wall studs or ceiling joists to the generator location. Drill a clean
7/8: (22 mm) hole through the steam room wall at the sensor location. Leave 12” (305 mm) of slack at the sensor
location. See Diagram 9.
Note: Do not staple through or damage cable.
Use factory supplied cables only.
For use with a K60 control only!
INSTALL THE TEMPERATURE SENSOR ASSEMBLY
inside the steam room. A 7/8” (22 mm) hole should already
be in the steam room wall with the cable ready.
Make sure the sensor is not directly over the steam outlet
head or near the door. The sensor should be located in a
wall 6” (150 mm) below the ceiling but no more than 7ft
(2,1 m) above the floor. Carefully connect the sensor cable to the sensor. The cable end should slide into place
and lock.
Run a light bead of silicone around the back surface of the sensor and slide it into the wall with the metal sensor
tube pointed down. Tape the sensor to the wall until the silicone has set-up.
Connect the steam generator end of the cable to the sensor jack located along the top edge of the steamer’s circuit
board, between the S60A jack and the S30A terminal block.
2. K60, KT60, or R30 ROUGH-IN (See Diagram 13) The low voltage control can be mounted up to 25ft (7,6 m)
from the generator. The K60, R30K and R30i controls may be mounted either inside or outside the steam room.
The KT60 must be mounted inside the steam room so its built in temperature sensor will function. String the 25ft
(7,6 m) cable from the control location through ½” (13mm) holes in the wall studs or ceiling joists to the generator.
Note: Do not staple through or damage cable. Use factory supplied cables only. Optional for tile rooms, a rough-in
box may be installed at the desired control mounting location. A mounting plate with proper diameter hole and
instructions are included with the control kit. Tile up to the hole in mounting plate as indicated in Diagram 10.
DIAGRAM 10
DIAGRAM 9
SENSOR
CABLE
7/8’
22 mm
HOLE
WALL
SENSOR
TIP MUST
POINT
DOWN
SEAL BACK WITH
SILICONE
K60
or
KT60
TEMPERATURE SENSOR
USE WITH K60 ONLY
2” (50 mm)
HOLE
AK INSTALLATION AND SERVICE INSTRUCTIONS
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SECTION 5. BATH CONTROLS INSTALLATION (continued)
3A INSTALL GENERATOR CONTROL (K60 OR KT60):
The low voltage K60 control can be mounted directly to a finished wall either
inside or outside the steam room. The low voltage KT60 control must be
mounted inside the steam room. See step 1 of this section.
1. Use a 2” (50 mm) hole saw, to drill a hole in the finished wall where the
control is to be mounted (the control cable should already be roughed-in to
this location). This must be inside the room for KT60 controls.
2. With the decorative cover removed from the control switch assembly,
insert the two control mounting screws through the control housing (you may
need to punch through skinned holes) and screw a few turns into the
mounting bracket. Locate the control cable and plug it into the back of the
control housing. See Diagram 11.
Run a bead of 100% silicon caulk in-between the 2 ridges around the
perimeter on the back of the control housing. See diagram 11.
Insert the mounting bracket into the wall cavity by first pushing with the
control housing and then with a hard flat surface on the control housing
mounting screws which extend out through the control face. See Diagram 11
Once the mounting bracket has been inserted into the finished wall, center
the control and tighten the mounting screws to draw the control housing
securely against the finished wall. Do not over tighten the mounting screws.
Add a little silicone over the screw heads to seal the screw holes.
3. Install the decorative cover plate by sliding the top of the cover plate over
the tab on the top of the control housing and pushing on the bottom of the
cover plate to complete the snap fit. See Diagram 11.
4. Route the generator end of the control cable through a knockout in the end
of the generator using the strain relief provided. Plug the control cable into
the S60A or S60B connector on the steamer’s circuit board (top edge, right
end). See diagram 10.
Note: for steam bath temperature control, a K60 and a wall mounted sensor
or a KT60 (with built in sensor) must be installed. Only one KT60 may be
installed. You may combine two K60s or a K60 with a KT60.
OPTIONAL SECONDARY CONTROL : (For use with K60 or KT60 only!) As an option, a second K60 control or an
R30K may be installed with a K60 or KT60 to provide ON/OFF control both inside and outside the steam room. The
second control should be installed as described in above, with the second K60 control cable plugged into connector
S60B or install R30K per 3B (below) and connect to the S30B jack. Do Not use an R30i with other controls.
3B. INSTALL GENERATOR CONTROL (R30K):
The R30K low voltage control can be mounted directly to a finished wall either inside or outside the steam room.
The R30K does not control the temperature in the steam room.
Use a 1-1/2” (36 mm) hole saw to drill a hole in the finished steam room wall where the control is to be mounted
(the control cable should already be roughed-in to this location). See Diagram 13
DIAGRAM 11
WALL
HOUSING
COVER PLATE
SILICONE
AK INSTALLATION AND SERVICE INSTRUCTIONS
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SECTION 5. BATH CONTROLS INSTALLATION (continued)
Locate the control cable, pull it out through the mounting hole and plug it into
the connector on the back of the control board,, inside the housing.
Run a bead of 100% silicone caulk around the perimeter on the back of the
control housing. See Diagram 12. Insert the control into the wall cavity. See
Diagram 13.
Connect the R30K control's cable to the steamer and plug it in to the S30B
jack (top edge of the circuit board next to the S30A terminal block).
DIAGRAM 13
3C. INSTALL GENERATOR CONTROL (R30i):
The R30i low voltage control can be mounted directly to a finished wall either inside or outside the steam room.
The R30i does not control the temperature in the steam room.
Use a 1-1/2” (36 mm) hole saw to drill a hole in the finished steam room wall where the control is to be mounted
(the control cable should already be roughed-in to this location). See Diagram 13.
Locate the control cable, pull it out through the hole and connect the cable wires to the terminal block on the back
of the R30i circuit board inside the housing. The cable wires must be connected to the same terminal position
numbers at the control and at the steamer! For example, connect the cable’s black wire to position 1 at both
ends, red to position 2 at both ends and white to position 3 at both ends.
Run a bead of 100% silicone caulk around the perimeter on the back of the control housing. Insert the control into
the wall cavity. See Diagram 13.
Connect the R30i control's cable wires to the steamer's circuit board terminal block. See Diagram 13.
DIAGRAM 12
SILICONE
R30K
1-1/2” (36 mm)
HOLE
R30i
1-1/2” (36 mm)
HOLE
AK INSTALLATION AND SERVICE INSTRUCTIONS
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SECTION 6. CONTROL OPTIONS
1. SELECT STEAMBATH RUN TIME (K60 and KT60 use only)
For installations with K60 or KT60 controls, the temperature display can be set for a maximum bath time adjustable
up to 60 minutes or up to 24 hours. Set the circuit board jumper as shown below. The jumper is located at the right
edge of the board just above the AK IN jack.
2.Note; To use an external timer, do not connect an R30 or K60/KT60. Connect
two wires between the timer and the S30A terminal block’s positions 1 and 2.
S30A position 2 is 5VDC and the timer’s switch will connect the 5V back to S30A
position 1 to turn the steam bath on. Do Not connect any other voltage to this
circuit! There will be no temperature control and the steam bath will not
automatically time out. The bath will heat as long as the time switch is closed.
Jumper Positions
3. SELECT TEMPERATURE DISPLAY (K60 and KT60 use only)
For installations with K60 or KT60 controls, the temperature display can be set to Fahrenheit (°F) or Celsius (°C).
Set the circuit board jumper as shown above. The jumper is located at the right edge of the board just above the AK
IN jack.
SECTION 7. INITIAL START
1. Assure power and water are on. Press the control’s ON/OFF switch. The control should light then the water valve
should turn on to fill the steamer. While filling, check for leaks.
2. After the tank has filled to a safe level, the heating elements will turn on. Allow about 10 minutes for the steam to
appear in the steam room.
3. Once the steam is visible, use the control to turn the bath off. The steam should stop within a couple minutes and
the water valve should turn off. The control should not be lit.
4. Press the ON/OFF switch again. The control should light.
5. Within one minute the unit should again produce steam. It should call for water once every two minutes or more
depending on its power rating. It’s normal for the flow of steam out the steam head to slow for up to 10 seconds
each time the unit calls for water.
6. The unit will shut down automatically in 30 minutes if an R30 control is used, or up to 60 minutes if the K60 or
KT60 Control is used (depending on its TIME setting). When the time runs out the steam will stop and there should
not be any water flow. The control should not be lit.
on one pin
on both pins
60 minute maximum bath time
24 hour maximum bath time
NORM = normal operation
EXT = connect manual timer to S30A
°F = Display temperatures in Fahrenheit °C = display temperatures in Celsius
AK INSTALLATION AND SERVICE INSTRUCTIONS
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1 2
3
4 5 6 7 8 91
RED
BLU
ORN
ORN
ORN
RED
RED
BLU
AMEREC
BLUE
WHITE
BLACK
G1
G2
LD1
LD2
LD3
LD5
AK IN
LD4
DRAIN
WATER
W_C
COMMON
LD1 = VNR ON
LD2 = HEATING OK
LD1 = VNR ON
LD3 = WATER ON
LD4 = EXT TIMER
LD5 = BATH ON
LEDs
Customer
Supplied
Wiring
°F/°C
D
R
A
I
N
V
A
L
V
E
NORM /
EXT-TIMER
60 min/24 HR
TO AK STEAMERS
FOR GANGING SYSTEMS
INPUT FROM
ANOTHER AK
STEAMER FOR
GANGING
SYSTEMS
FROM K60AND/OR KT60 CONTROLS
CONNECTAK TEMP SENSOR (WITH K60 ONLY)
(OPTIONAL)
R30i
(OPTIONAL)
R30K
SERVICE PINS
JUMP FOR ON/OFF
(MOMENTARY)
WATER
i
(OPTIONAL) AUTODRAIN
AK IN
G1
G2
S60A S60BS30B
S30A
FOR R30i
FOR R30K
WHEN GANGING STEAMERS
RED
BLACK
BLUE
COPPER TERMINAL
BLOCK JUMPERS,
FACTORY PROVIDED
BLU
J4
TEMPERATURE
SENSOR
SEE FIELD WIRING DIAGRAMS
L
R
H
60m/ 24HR
NORM/ EX T
°F/°C
SHOWN WIRED FOR
208V & 240V STEAMERS
4.5kW & 7.5kW
AND
240V 11kW
©
OUT
OUT
60m/ 24HR
NORM/ EX T
°F/°C
L
R
H
SVC
K5
K4
K2
AK INSTALLATION AND SERVICE INSTRUCTIONS
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1
2
3
4 5 6 7 8 91
L1 L2
1 2
3
4 5 6 7 8 9
1
CIRCUIT 2
CIRCUIT 1
1 2
3
4 5 6 7 8 9
1
L1 L2 L3
1 2 3 4
5
6 7 8 91
L2L1 NEUTRAL
L3
(1) Use only copper wire rated 75°C or better
(2)
i
240V L1 240V L2 240V L1 240V L2
AK14 single phase requires two feed circuits.
Circuit 1 drives one element and the controls and is the lower amp circuit.
Circuit 2 drives two elements and is the higher amp circuit.
1 2
3
4 5 6 7 8 9
1
1 2
3
4 5 6 7 8 9
1
CIRCUIT 2
CIRCUIT 1
1 2
3
4 5 6 7 8 9
1
NEUTRAL
1 2
3
5 6 7 8 9
1
220-240V
220-240V
NEUTRAL
220-240V
NEUTRAL
240V Models
208 to 240V 1 phz
AK14 (use 2-Circuits)
240V Models
See Note (2)
208 to 240V 3 phz
North America
240V Models
North America
220 to 240V~N
220 to 240V~N
AK14 (use 2-Circuits)
240V Models
See Note (2)
380 to 415V~3N
AK4.5 to AK14
240V Models
240V Models
International
International
International
AK4.5 to AK14
19
25
38
31
46
21 & 38
AMPS 1 Phase
415V~N3
6
10
8
13
16
19
Notes:
See Note (2)
i
1 2 3 4
5
6 7 8 9
1
L1 L2
208V 1 phz
North America
208V 1 phz
AK11 and AK14
(use 2 Circuits)
North America
(2)
1 2 3 4 5 6 7 8 9
1
CIRCUIT 2
CIRCUIT 1
208V 3 phz
North America
1 2
3
4 5 6 7 8 9
1
L1 L2 L3
208V L1 208V L2 208V L1 208V L2
1 2 3 4
5
6 7 8 9
1
Model
AK4.5
AK7.5
AK11
AK14
Model
AK4.5
AK7.5
AK11
AK14
Model
AK4.5
AK7.5
AK11
AK14
208V
4500
7510
11250
13750
WATTS
208V
22
36
18 & 36
24 & 42
208V
12
AK6
AK6
AK6
6000
29
17
AK9
AK9
AK9
9000
43
25
21
31
38
AMPS 3 PhZ
AMPS 1 PhZ
Notes:
(1) Use only copper wire rated 75°C or better
See Note
(2)
See Note
(2)
(2) AK11 and AK14 single phase requires two
feed circuits.
Circuit 1 drives one element and the controls
and is the lower amperage circuit.
Circuit 2 drives two elements and is the higher
amperage circuit.
208V Models
See Note
AK4.5 to AK14
Model
AK4.5
AK7.5
AK11
AK14
240V / 415V~N3
4500
7500
11000
14000
WATTS
AK6 6000
AK9 9000
Model
AK4.5
AK7.5
AK11
AK14
240V
AK6
AK9
11
14
22
18
26
34
AMPS 3 Phase
Model
AK4.5
AK7.5
AK11
AK14
240V
AK6
AK9
AK4.5, AK6,
AK7.5 & AK9
AK4.5, AK6, AK7.5, 
AK9 & AK11
208 to 240V 1 phz
240V Models
North America
AK4.5, AK6, AK7.5,
AK9 & AK11
APPENDIX: AK SYSTEM INSTALLATION
4211-1551 09/18/20
Page 1
Technical support: 1-425-951-1120 1-800-363-0251 [email protected]
WARNING
Electrical grounding is required
on all Steam Generators.
All electrical supplies should be
disconnected when servicing a
Steam Generator.
All wiring must be installed by a
licensed electrical contractor in
accordance with local and
national codes.
All plumbing must be installed
by a licensed plumber in
accordance with all applicable
local and national codes.
Steamers are for indoor use only.
Steamers are not for
space-heating purposes.
Be certain that steam bath
enclosures are properly sealed
to avoid water damage from
escaping steam. It is
recommended that 100%
silicone caulk be used to seal
all pipes and fi ttings. Steam
must be prevented from
escaping into the wall cavity.
Never shut off the water to an
appliance that is in use.
Electric Shock Hazard
High Voltage exists within this equipment.
There are no user serviceable parts
in this equipment.
REDUCE THE RISK OF
1. Exit immediately if uncomfortable, dizzy or sleepy. Staying too long in
a heated area is capable of causing overheating.
REDUCE THE RISK OF
Use care when entering or exiting the steam room, floor may be slippery.
NOTE: For additional safety instructions, see owner's manual.
CAUTION!
Do not contact steam head. Stay at least 12" away
from hot steam escaping from the steam outlet.
OVERHEATING AND SCALDING
2. Supervise children at all times.
3. Check with a doctor before use if pregnant, diabetic, in poor health or
under medical care.
4. Breathing heated air in conjunction with consumption of alcohol, drugs
or medication is capable of causing unconsciousness.
SLIPPING AND FALL INJURY
WARNING
4110-79
05-21-07
Amerec Steam Generators are listed by ETL. The steamers come assembled and ready for installation. Check
that the size and rating of the steamers are suitable for your application; refer to Steam Room Construction and
Generator Sizing Guide (Amerec document 4211-36).
Amerec AK Steam Systems consist of one AK steamer acting as a “primary” steamer which may control one or
two other AK steamers. The sole purpose of ganging steamers is to increase the volume of steam generated
without using multiple controls. The primary steamer controls the secondary steamer(s) through an Amerec
control cable. Cables are available from Amerec.
All controls must connect only to the primary steamer!
IMPORTANT
An exhaust fan installed outside the steam room is strongly recommended to remove excess steam
from the bathroom or shower area.
SECTION 1: GENERAL INFORMATION
AMEREC STEAMBATH GENERATORS
FOR USE WITH STEAM SYSTEMS INCORPORATING
ONE AK PRIMARY STEAM GENERATOR AND
ONE OR TWO AK SECONDARY STEAM GENERATOR(S)
These instructions apply to 9012 series
Amerec Steamers AK4.5, AK6, AK7.5, AK9, AK11 and AK14
Save these instructions! Read all instructions carefully before installation.
These instructions supplement the AK steamer installation instructions,
Amerec document number 4211-1551
SECONDARY AK
PRIMARY AK
SECONDARY AK
The Amerec Steam Generator can be hung on a wall or set on it’s base. The best mounting location will
satisfy all or most of the following conditions:
1. The steam line should slope to allow condensation to drain into the steam room.
2. The steam line should be less than 20 ft (6m) long; 10 ft (3m) is preferred. Steam lines over 20 ft (6m)
long should be insulated.
3. The mounting location should minimize the number of bends and elbows in the steam line.
4. The steam line should enter the room 18” (460 mm) above the fl oor or at least 12” (305 mm)above a
tub rim or ledge.
SECTION 2: SELECT MOUNTING LOCATION
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Amerec AK Generator, "AK4.5", "AK6", "AK7.5", "AK9", "AK11" & "AK14" Mode d'emploi

Marque
Amerec
Modèle
AK Generator, "AK4.5", "AK6", "AK7.5", "AK9", "AK11" & "AK14"
Taper
Mode d'emploi
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