Broan NuTone B33DHW Manuel utilisateur

Taper
Manuel utilisateur
1
800.558.1711 Installation & Operation Instructions
Serial Number
Install Date
Sold By
Installation & Operation Instructions
The B33DHW is a built-in dehumidication solution
that can be conveniently installed inside standard
wall framing. The B33DHW provides the ultimate in:
+ Comfort
+ Health
+ Property Protection
B33DHW
TS-1210 08/21 Rev A
800.558.1711
2Installation & Operation Instructions 800.558.1711
Safety Instructions ...................................................................... 3
Dehumidifier Set Up .................................................................... 5
Drain Installation Considerations ................................................ 6
Electrical Requirements .............................................................. 6
Dehumidifier Installation ............................................................. 7
Maintenance .............................................................................. 11
Air Flow ...................................................................................... 11
Controls ..................................................................................... 12
Service ....................................................................................... 14
Warranty .................................................................................... 16
TABLE OF CONTENTS
Broan is committed to manufacturing quality products.
To maintain our standards, product specications may change without notice.
FOR REPAIR & TECH SUPPORT: 1-800-558-1711 (follow prompts)
926 West State Street, Hartford, WI 53027
www.Broan-Nutone.com 800-558-1711
3
800.558.1711 Installation & Operation Instructions
SAFETY INSTRUCTIONS
WARNING!WARNING!
THIS SYMBOL MEANS IMPORTANT INSTRUCTIONS. FAILURE TO HEED THEM
CAN RESULT IN SERIOUS INJURY OR DEATH.
READ THE INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS
CAREFULLY BEFORE INSTALLING AND OPERATING THIS DEVICE. PROPER
ADHERENCE TO THESE INSTRUCTIONS IS ESSENTIAL TO OBTAIN MAXIMUM
BENEFIT FROM THIS DEHUMIDIFIER.
CAUTION!CAUTION!
THIS SYMBOL MEANS IMPORTANT INSTRUCTIONS. FAILURE TO HEED THEM
CAN RESULT IN INJURY OR MATERIAL PROPERTY DAMAGE.
Registrations
The B33DHW conforms to unied standard UL 60335-2-40 and CSA Standard C22.2.60335-2-40.
CAUTION!CAUTION!
READ ALL INSTRUCTIONS BEFORE BEGINNING INSTALLATION.
ALWAYS USE CAUTION AND WEAR CUT RESISTANT GLOVES WHEN HANDLING SHEET
METAL.
ALL STATE AND NATIONAL ELECTRICAL AND PLUMBING CODES MUST BE ADHERED TO
FOR PROPER UNIT OPERATION AND WARRANTY COMPLIANCE.
IMPROPER INSTALLATION MAY CAUSE PROPERTY DAMAGE OR INJURY.
INSTALLATION, SERVICE, AND MAINTENANCE MUST BE PERFORMED BY A QUALIFIED
SERVICE TECHNICIAN.
DEHUMIDIFIER IS HEAVY. HANDLE WITH CARE AND FOLLOW INSTALLATION INSTRUCTIONS.
THIS APPLIANCE IS INTENDED FOR USE AT ELEVATIONS BELOW 4000 M (13,000 FT).
THIS APPLIANCE IS NOT INTENDED FOR USE BY PERSONS (INCLUDING CHILDREN) WITH
REDUCED PHYSICAL, SENSORY OR MENTAL CAPABILITIES, OR LACK OF EXPERIENCE
OR KNOWLEDGE, UNLESS THEY HAVE BEEN GIVEN SUPERVISION OR INSTRUCTION
CONCERNING THE USE OF THE APPLIANCE BY A PERSON RESPONSIBLE FOR THEIR
SAFETY. CHILDREN SHOULD BE SUPERVISED TO ENSURE THAT THEY DO NOT PLAY WITH
THE APPLIANCE.
WARNING!WARNING!
120 VOLTS MAY CAUSE SERIOUS INJURY FROM ELECTRIC SHOCK. TURN
OFF CIRCUIT BREAKER BEFORE STARTING INSTALLATION OR SERVICING,
AND LEAVE CIRCUIT BREAKER OFF UNTIL INSTALLATION OR SERVICE IS
COMPLETED.
4Installation & Operation Instructions 800.558.1711
SAFETY INSTRUCTIONS
AVERTISSEMENT!AVERTISSEMENT!
CE SYMBOLE DÉSIGNE DES INSTRUCTIONS IMPORTANTES. LE NON-RESPECT DE
CES INSTRUCTIONS PEUT ENTRAINER DE GRAVES BLESSURES, VOIRE LA MORT.
LISEZ ATTENTIVEMENT LES INSTRUCTIONS SUR LE FONCTIONNEMENT ET L’ENTRETIEN
RELIÉS À L’UTILISATION DE CETTE UNITÉ AVANT D’EN EFFECTUER L’INSTALLATION ET
L’UTILISATION. LE RESPECT DE CES INSTRUCTIONS EST PRIMORDIAL AFIN DE TIRER LE
MAXIMUM DE BÉNÉFICES DE VOTRE DÉSHUMIDIFICATEUR.
MISE EN GARDE!MISE EN GARDE!
CE SYMBOLE DÉSIGNE DES INSTRUCTIONS IMPORTANTES. LE NON-RESPECT
DE CES INSTRUCTIONS PEUT ENTRAINER DE GRAVES BLESSURES OU DES
DOMMAGES MATÉRIELS.
ENREGISTREMENTS
LE B33DHW EST FIDÈLE À LA NORME UNIFIÉE UL 60335-2-40 AINSI QU’À LA NORME C22.2.60335-2-
40.
MISE EN GARDE!MISE EN GARDE!
LISEZ LES CONSIGNES EN ENTIER AVANT DE COMMENCER L’INSTALLATION.
SOYEZ TOUJOURS VIGILANT ET PORTEZ DES GANTS RÉSISTANT AUX COUPURES LORSQUE
VOUS MANIPULEZ DES FEUILLES DE MÉTAL.
TOUS LES CODES DE L’ÉLECTRICITÉ NATIONALE ET D’ÉTAT DOIVENT ÊTRE RESPECTÉS POUR
UNE UTILISATION ADÉQUATE DE CETTE UNITÉ ET UNE VALIDITÉ DE LA GARANTIE.
UNE INSTALLATION NON CONFORME PEUT CAUSER DES DOMMAGES MATÉRIELS OU DES
BLESSURES.
TOUTE INSTALLATION, TOUT ENTRETIEN ET TOUTE RÉPARATION DOIVENT ÊTRE EFFECTUÉS
PAR UN TECHNICIEN D’ENTRETIEN QUALIFIÉ.
LE DÉSHUMIDIFICATEUR EST LOURD. MANIPULER AVEC SOIN ET SUIVRE LES INSTRUCTIONS
D’INSTALLATION.
ÉVITEZ D’UTILISER POUR LE FONCTIONNEMENT D’UNE PISCINE OU LA GARANTIE SERA
ANNULÉE.
CET APPAREIL EST PRÉVU POUR UNE UTILISATION EN ALTITUDE À PLUS DE 4 000 M (13 000 PI).
CET APPAREIL NE DOIT PAS ÊTRE UTILISÉ PAR DES PERSONNES DONT LES CAPACITÉS
PHYSIQUES, SENSORIELLES OU MENTALES SONT LIMITÉES (Y COMPRIS LES ENFANTS) OU DES
PERSONNES SANS EXPÉRIENCE NI CONNAISSANCES PERTINENTES POUR L’UTILISATION DE
L’APPAREIL À MOINS D’AVOIR ÉTÉ FORMÉES SUR L’UTILISATION DE L’APPAREIL PAR UNE
PERSONNE RESPONSABLE DE LEUR SÉCURITÉ. LES ENFANTS DEVRAIENT ÊTRE SUPERVISÉS
AFIN D’ÉVITER QU’ILS NE JOUENT AVEC L’APPAREIL.
AVERTISSEMENT!AVERTISSEMENT!
UNE DÉCHARGE ÉLECTRIQUE DE 120 VOLTS PEUT CAUSER DES BLESSURES
SÉRIEUSES. FERMEZ LE DISJONCTEUR AVANT DE COMMENCER L’INSTALLATION
OU L’ENTRETIEN ET LAISSEZ LE DISJONCTEUR EN POSITION FERMÉE JUSQU’À
CE QUE L’INSTALLATION OU L’ENTRETIEN SOIT COMPLÉTÉ(E).
5
800.558.1711 Installation & Operation Instructions
Important Precautions
If used near a water source, be certain that there is no chance the unit could get splashed. Connecting the
unit to a dedicated circuit with Ground Fault Circuit Protection is recommended. Electrical wires must be
properly grounded, and with the capability to be disconnected to provide for service.
The device is designed to be installed indoors in a space that is protected from rain and ooding.
Tamper proof fasteners provide access to the front of the device for operation, maintenance and service.
• Avoid directing discharge air at occupants.
DO NOT place sides, top or bottom of cabinet in direct contact with structural building members or
unwanted noise may result. Unit is designed to be suspended by side mounting anges only.
Drain hose must be routed with downward slope from unit drain connection to appropriate location. Consult
local building codes for acceptable condensate drain connections.
Location Considerations
Install the unit on or inside of an interior wall and with direct connection to building electrical service.
A 15 Amp circuit must be provided. Install the unit in a location that is near a power supply.
Electrical and plumbing rough-in must be provided to installation location, adhering to any applicable local
codes.
Install the unit in a central location to maximize air circulation and eciency. Do not locate inside a closet
or mechanical room with the diuser cover facing inward where both supply and return air will be limited.
Install the unit such that discharge air is directed away from thermostats and not installed inside of a wall
cavity that contains a thermostat.
The unit generates condensate. Install the unit with nearby access to a drain or determine if there will be a
need for a condensate pump.
The unit will t within 16" O.C. stud walls. If walls are more or less than 16", consideration must be given to
providing additional support.
• Rough opening must be a minimum of 2" o the oor, 6" from the ceiling, and 10" from an inside corner.
Check that there are no hidden wires or pipes inside the wall where unit is to be installed. Contact a certied
electrician or plumber before removing any wires or pipes inside the wall.
DEHUMIDIFIER SET UP
6Installation & Operation Instructions 800.558.1711
A 10' long power cord is included for installations where a plug in connection is permitted in accordance with
the National Electrical Code and local codes and ordinances. A dedicated 15A circuit and GFCI receptacle
are recommended. Electrical connections inside the device are made with the included wire nuts. Route the
cord through the appropriate knockout and secure with the non-metallic cable clamp.
If not using the included 10' power cord,
ensure that the electrical connection and
wire size are adequate and in conformance
with the National Electrical Code,
ANSI/NFPA 70 – latest edition and all local
codes and ordinances. Use exible,
armored, or non-metallic sheathed, copper
wire with grounding conductor. Use the
included non-metallic cable clamp as required.
The B33DHW requires 120-volt,
60 Hz, AC-only, 15 amp, fused and
grounded electrical supply.
A visible circuit breaker or disconnect
switch near the unit is required for
maintenance and service.
• A dedicated circuit is recommended.
Use of a UL listed or CSA approved
strain relief is required.
ELECTRICAL REQUIREMENTS
Wiring Schematic
DRAIN INSTALLATION CONSIDERATIONS
Consult local building codes for condensate drain restriction and additional requirements. The B33DHW is
provided with 10' of 3/4" I.D. drain hose. Verify drain hose length is appropriate for application.
The hose must be connected to the drain port and routed down the wall cavity and into the air conditioning
condensate drain or other acceptable drainage.
• For gravity drainage, the bottom of the unit must be at, or above the drain height.
• Avoid any entrapment of stagnant water within the hose.
• Consider 1/4" drop for every foot of drain hose.
• Codes may dictate that a drain trap is necessary before or near to the main building drain.
Be sure to install the metal cover over the top of the hose. This prevents air from entering the unit through
the wall cavity.
7
800.558.1711 Installation & Operation Instructions
DEHUMIDIFIER INSTALLATION
Tools Required:
• Phillips Screwdriver
1/4" Hex Nut Screwdriver
• Level
• Square or Ruler
• Stud Finder
• Wire Stripper
• Drywall Saw
• Side Cutters or Carpenters Knife
• Tape Measure
• Pen or Pencil
Other Materials To Consider:
Electrical wire (depends on
installation and distance of
wiring requirements)
Additional hose length or PVC
pipe (depends on drain location)
Materials to repair drywall
(depends on installation)
Condensate Pump Kit
(depends on drain location)
GFCI Outlet (if using supplied
power cord)
Step 1. Remove the shipping bracket by carefully
cutting the two zip ties with side cutters or shears.
Remove the four screws from the shipping bracket
using a 1/4" hex nut screwdriver.
Step 2. Remove electrical box cover from the unit by
removing the two screws on the cover using a 1/4" hex
nut screwdriver.
WARNING!WARNING!
SHUT OFF BREAKER / POWER BEFORE BEGINNING INSTALLATION.
1.
2.
Electrical
Box
Shipping
Bracket
AVERTISSEMENT!AVERTISSEMENT!
FERMEZ LE DISJONCTEUR/ALIMENTATION AVANT DE COMMENCER L’INSTALLATION.
Items Included in Box:
• B33DHW Dehumidier
• Diuser Cover with Filter
B33DHW Installation Instructions
• Drain Hose (10')
• Power Cord (10')
• Hose Clamp
• Grommet for Drain Hose
• Non-Metallic Cable Clamp
• Bag A: #10 Wood Screws (5)
• Bag B: #8 Sheet Metal Screws (5)
Bag C: Tamper Resistant Screws for
Diuser Cover (5) and 1/4" Hex T-15
Torx Security Bit
Bag D: Phillips Screws for Diuser
Cover (5)
The B33DHW can be installed in a variety of applications:
• 2x6 16" O.C. Stud Wall Installation
• 2x4 16" O.C. Stud Wall Installation
- If penetrating both walls and the opposite side is a mechanical room, no additional accessories are needed.
- If back wall is functional space, installation requires 2x4 Wall Mount Bezel Kit (PN 4037767).
- If the other side of the wall goes into an unconditioned space, it may require the 2x4 Rear Panel Kit (PN
4037768) to add a layer of insulation to prevent condensation.
• Surface Mount Installation
- Surface Mount Kit (PN 4037766) required for installation.
Surface Mount, Bezel Kit and Rear Panel installations can be viewed at www.inwalldehumidier.com/accessories
8Installation & Operation Instructions 800.558.1711
DEHUMIDIFIER INSTALLATION
Inside of Wall
Drain
Hose
Electrical
Wiring
14 1/2"
30 1/4
14"
14"
Steps 5 - 8
Step 4. The drain hose can exit through the back,
side, or bottom of the unit. Once the location is
determined, remove the appropriate knock out.
If exiting through the bottom, remove the access
cover to facilitate routing of the drain line.
Save access cover for reinstallation after drain
line is routed.
Step 5. After installation location has been determined,
use a stud nder, locate and mark stud walls.
Step 6. Using measuring tape and pencil, measure
14 1/2" across and 30 1/4" down and draw a line.
Step 7. Using a square or ruler, score the lines
and cut with drywall saw.
Depending on installation, both walls may need to
be cut through.
4.
Step 3. There are three electrical knock outs, one on
the back and two on the bottom of the unit. Remove
appropriate knock out and install non-metallic cable
clamp with clamp screws inside of unit oriented so
they are accessible for tightening later.
If using included power cord, insert cord through non-
metallic cable clamp so that a minimum of ½” insulation
jacket is inside of cabinet before tightening non-metallic
cable clamp screws. Make electrical connections using
included wire nuts.
3.
Step 8. If not using included power cord, route the
electrical wire from the circuit breaker or disconnect
switch through the wall cavity and extend out of the
opening by 14" to 20".
Use the 10' drain hose provided or the appropriate
length of hose to come through the wall cavity
or back of the unit and extend out of the opening
by 14".
If cutting through both walls, electrical wiring
and drain hose may be routed dierently. Use
appropriate routing for your installation.
WARNING!WARNING!
SHUT OFF BREAKER / POWER
BEFORE BEGINNING INSTALLATION.
9
800.558.1711 Installation & Operation Instructions
Step 10. Once electrical and drain hose are routed
through the unit, set the unit into the wall.
Step 9. Lift the unit and place it near the wall opening to route
electrical wires and drain hose through appropriate knock outs.
If access cover was not removed, insert grommet into knock out
hole and snap into place before routing drain hose through.
It is recommended to have two people to lift the unit. Place
one hand under the drain pan to support the unit during this step.
Wall
MD33
14 1/2"
Side View
Drain Hose
and Electrical
Steps 9 - 10
DEHUMIDIFIER INSTALLATION
Step 11. Insert the dehumidier into the center of the opening,
allowing for a minimum of 1/8" clearance from framing on both
sides. Additional insulation or sound dampening material (not
provided) may be required if the dehumidier cabinet contacts
the studs, especially in applications involving metal studs.
Fasten the unit to the framing by inserting four of the #10
(wood) or #8 (sheet metal) screws into the slotted holes.
Top and bottom blocking is not necessary for securing the
dehumidier. Any existing blocking, headers or framing
should not intrude into the rough opening and be a minimum
of 1/2" away from the cabinet.
The cabinet is designed to create 1/2" clearance to the back
wall when installed inside a standard 2x6 stud space with
1/2" minimum drywall sheathing.
For alternate installations, maintain 1/2" clearance to back
of wall of dehumidifier cabinet.
11.
Before securing the unit into place, make sure it is level. Level
or slightly forward is acceptable, but never backwards.
15 1/2"
15"
1˚-2˚ 1˚
OK OK NOT
OK
Front
Front
Front
CAUTION!CAUTION!
THE UNIT IS NOT SECURED YET.
10 Installation & Operation Instructions 800.558.1711
Step 12. If the drain access cover was removed,
reinstall it by routing the drain hose through the
appropriate knock out and reattach the screw.
Route the grommet over the drain hose and snap
into place at the knock out.
Use 1/4" hex nut screwdriver to apply hose
clamp to the drain hose and secure onto the
drain port hose barb.
12.
Step 14. Tuck the electrical wires in and reinstall
electrical cover with its two screws using 1/4" hex
nut screwdriver. Be sure none of the electrical
wires are pinched.
Step 15. Turn breaker / power back on.
Step 16. Set the digital controller to desired
RH. See Controls Section on page 12.
Step 17. Install diuser cover by aligning
the lower tabs rst, then setting the cover
back against the wall. Insert the included
four tamper resistant or phillips screws to
secure the diuser cover.
DEHUMIDIFIER INSTALLATION
14.
17.
Step 13. Complete electrical connections:
• white to white
• green to green
• black to black
Screw wire nuts back onto each electrical
connection.
Then tighten clamp screws on non-metallic
cable clamp.
Power Board
Non-Metallic Cable Clamp
13.
Hose
Hose Clamp
Grommet for
Drain Hose
Make sure drain hose is routed to the appropriate
location before turning on the unit.
11
800.558.1711 Installation & Operation Instructions
MAINTENANCE
Filter Maintenance
The B33DHW comes with a washable lter. Check lter every two months. Clean or replace the lter as neces-
sary.
Removing the Filter:
Remove the screws on the front cover and then push the front cover up gently to free the cover hooks from the
chassis. Filter is located on the back side of the front cover. Gently remove the lter by lifting the bottom side
corners rst to prevent bending it.
Filter Cleaning:
The lter can be vacuumed with a wet / dry vac or washed with warm water.
Reinstalling the Filter:
Insert the lter into the tabs on top of mount and ex the lter to insert it into the bottom tabs. Reinstall the cover
by lining up the tabs, sliding down into place, and secure with included tamper resistant or phillips screws.
WARNING!WARNING!
BE SURE THE UNIT IS POWERED OFF AND UNPLUGGED OR CIRCUIT BREAKER
IS TURNED OFF BEFORE REMOVING THE FRONT COVER TO SERVICE THE
UNIT; IF THE SUPPLY CORD IS DAMAGED, IT MUST BE REPLACED BY THE
MANUFACTURER, ITS SERVICE AGENT OR SIMILARLY QUALIFIED PERSONS
IN ORDER TO AVOID A HAZARD.
AVERTISSEMENT!AVERTISSEMENT!
ASSUREZ-VOUS QUE L’UNITÉ EST FERMÉE OU DÉBRANCHÉE OU QUE LE CIRCUIT
D’ALIMENTATION EST FERMÉ AVANT DE RETIRER LE PANNEAU AVANT POUR
ENTRETENIR L’UNITÉ.
AIR FLOW
Supply Air
Return Air
Supply AirSupply Air
Return Air
Return Air
The B33DHW functions by drawing moist
air in through the bottom portion of the
diuser and returning dried air to the space
out the top portion of the diuser.
Note: Avoid blocking the return and
supply air ow to maximize unit
performance and prevent heat build
up. Furniture must be at least 6"
away from the diuser.
Diffuser Maintenance
It is recommended to use a mild detergent to clean the surface of the diuser, especially around the edges where
the return air is owing into the unit (see illustration below). This is where air is being drawn into the lter and may
collect dust. Do not use harsh solvents on the diuser.
The diuser can be painted to blend in with interior aesthetics. Use only paint that is recommended for
polycarbonate surfaces and follow the manufacturer’s recommendations for surface prep and application.
12 Installation & Operation Instructions 800.558.1711
The B33DHW has an illuminated display, user selectable setpoint, and a power ON / OFF button located behind
the diuser. The diuser is fastened with tamper resistant screws to limit access to the control. The diuser can
also be fastened with the included phillips screws if limiting access to the control is not needed.
When turning power on for the rst time, the set point will be at the factory setting of 55% RH. In the event of
a power outage, the dehumidier restarts at the previous set point when power is restored.
Pressing the middle button (the power button), the control will toggle the B33DHW to turn ON or OFF.
If the unit is on and power button is pressed, control will turn compressor and fan o. As a result, both DISPLAY
and LED will go o.
If the unit is o and power button is pressed, control will turn fan on. As a result, both DISPLAY and LED will
go on.
If there is an error, the unit will shut down and indicator LED will turn to red and display will show an error code
(see page 13 for error codes).
Sequence of Operation
1. Press the ON / OFF button to turn the dehumidier control on. The display will show “00” for a couple of
seconds and then it will display the RH level of the room and the dehumidier blower will turn on to start
sampling the air for one minute.
Indicator LED, located above display, will be green, showing the unit is operating normally.
2. Pressing either of the arrow keys will cause the DISPLAY to ash and indicate the current set point. The RH set
point can be adjusted from a minimum of 35% to a maximum of 99% in 1% increments. Adjust the humidity set
point as desired. The recommended initial setting is 55%.
Pressing the DOWN arrow key below the 35% set point on the control will cause the display to read “00” and
the B33DHW will run continuously. After 10 seconds, it will go back to display room RH level.
Ten seconds after making an adjustment, from either UP or DOWN arrow keys, the display will go back to show
the room RH level.
3. If the sensor detects a reading above the set point, it will run the fan to sample the return air for a period of one
minute. The sampled humidity of the return air will be compared to the RH setting. If the humidity is above the
setting, the dehumidier compressor turns on. The compressor remains on until the measured humidity falls 3%
below the RH setting. If the sampled humidity is below the setting, the compressor and blower turn o and the
display returns to showing the RH setting. The dehumidier will sample again every 15 minutes.
CONTROLS
13
800.558.1711 Installation & Operation Instructions
Diagnostic, Maintenance and Servicing
Error codes:
“1” = Prompting a bad RH sensor.
• “2” = Condensate pump or external float switch is installed in the drain line and is detecting a closed switch.
• “3” = The delta temperature between ambient and evaporator coil not wide enough to reflect a normal
operating condition. Unit will turn off and try to restart after an hour.
Evaporator Temperature Mode
To enter evaporator temperature mode, press and hold both arrow buttons for >5 seconds and the LED will
change to Blue.
The display will ash at twice the rate of “set point” mode, and display the evaporator coil temperature.
Press any button to exit evaporator temperature mode.
Ambient Temperature Mode
To enter ambient temperature mode, press and hold the up arrow and power buttons for >5 seconds
and the LED will change to Purple.
The display will ash at twice the rate of “set point” mode and display the ambient temperature.
Press any button to exit ambient temperature mode.
CONTROLS
14 Installation & Operation Instructions 800.558.1711
SERVICE
CAUTION!CAUTION!
TROUBLESHOOTING SHOULD BE PERFORMED BY A QUALIFIED HVAC TECHNICIAN.
Troubleshooting
WARNING!WARNING!
ELECTRICAL SHOCK HAZARD: ELECTRICAL POWER MUST BE PRESENT TO PERFORM SOME
TESTS. THESE TESTS SHOULD BE PERFORMED BY A QUALIFIED SERVICE PERSON.
MISE EN GARDE!MISE EN GARDE!
LES TRAVAUX DE DÉPANNAGE NE DEVRAIENT ÊTRE EFFECTUÉS QUE PAR UN TECHNICIEN
CVCA QUALIFIÉ.
AVERTISSEMENT! AVERTISSEMENT!
RISQUE DE DÉCHARGE ÉLECTRIQUE : UNE ALIMENTATION ÉLECTRIQUE DOIT ÊTRE
UTILISÉE POUR EFFECTUER CERTAINES VÉRIFICATIONS. CES VÉRIFICATIONS DOIVENT
ÊTRE EFFECTUÉES PAR UN PERSONNEL D’ENTRETIEN QUALIFIÉ.
WARNING!WARNING!
120 VOLTS MAY CAUSE SERIOUS INJURY FROM ELECTRIC SHOCK. TURN OFF
CIRCUIT BREAKER BEFORE STARTING INSTALLATION OR SERVICING, AND LEAVE
CIRCUIT BREAKER OFF UNTIL INSTALLATION OR SERVICE IS COMPLETED.
AVERTISSEMENT!AVERTISSEMENT!
UNE DÉCHARGE ÉLECTRIQUE DE 120 VOLTS PEUT CAUSER DES BLESSURES
SÉRIEUSES. FERMEZ LE DISJONCTEUR AVANT DE COMMENCER L’INSTALLATION
OU L’ENTRETIEN ET LAISSEZ LE DISJONCTEUR EN POSITION FERMÉE JUSQU’À
CE QUE L’INSTALLATION OU L’ENTRETIEN SOIT COMPLÉTÉ(E).
15
800.558.1711 Installation & Operation Instructions
SERVICE
Troubleshooting
Symptom Possible Reason Troubleshooting Procedure
Blower is running
and compressor is
o while ambient
humidity is high
(evaporator coil is
warm).
1. Wiring or connectors
loose
2. Compressor relay failure
3. Compressor capacitor
failure
4. Compressor failure
Check wiring and connectors for damage or loose
connections.
Check power to compressor circuit, replace power board if
no power is detected.
Replace compressor capacitor if failed.
Note that sealed system is not generally eld serviceable.
Poor dehumidication
performance and
evaporator coil is
covered in ice or frost.
1. Defrost sensor or
connection is defective
2. Poor airow
3. Low refrigerant charge
Check circuit board connection for loose plug or wires.
Press and hold both arrow buttons for >5 seconds to
display the defrost sensor temperature, replace sensor if
reading is an error. See diagnostic - Error code “ 1”
Verify airow over the coils is not blocked or restricted,
clean lter and/or coils as required.
Note that sealed system is not generally eld serviceable
• See diagnostic - Error code “3”
Poor dehumidication
performance,
compressor is
running and
evaporator coil is
not cooling.
1. Failed compressor or
low refrigerant charge
• See diagnostic - Error code “3”
Note that sealed system is not generally eld serviceable.
Blower is not
spinning humidity
is high and
compressor is
running.
1. Wiring or connectors loose
2. Blower relay failure
3. Blower capacitor failure
4. Blower failure
Check wiring and connectors for damage or loose
connections.
Check power to blower circuit, replace power board if no
power is detected.
• Replace blower capacitor if failed.
Replace blower (note requires unit be removed from
installation).
Blower is running
and compressor
is cycling on and
o while ambient
humidity is high.
1. Unit is defrosting
2. Ambient temperature is
too low
3. Defrost sensor malfunction
4. Poor airow
5. Failing compressor relay
6. Compressor or sealed
system failure
Check setpoint, if setting is “00” increase setpoint to 55%.
Cold ambient conditions will cause unit to go in and out of
defrost (this is normal).
Press and hold both arrow buttons for >5 seconds to
display the defrost sensor temperature, replace sensor if
reading is in error.
Verify airow over the coils is not blocked or restricted,
clean lter and/or coils as required
Replace power board.
Note that sealed system is not generally eld serviceable.
Neither blower
nor compressor is
running and display
is on.
1. No call for
dehumidication
2. Wiring or connectors
loose
Press down arrow until setpoint reads “00”, wait 1 minute,
fan and compressor should run.
Check wiring and connectors for damage or loose
connections.
• Locate circuit breaker and reset if necessary.
Check all circuit board connections for loose plugs
or wires.
• Replace control board and power board.
Neither blower
nor compressor is
running and display
is o.
1. No power to unit, circuit
breaker tripped
2. Power board wiring or
connector loose
3. Control board wiring or
connector loose
4. Circuit board failure
Leak or standing
water in drain pan. 1. 1. Kink in drain line
2. Drain line clogged
3. Clog in small vinyl
tubing that connects the
drain pan to drain port
Verify there are no kinks in the drain line.
Verify there are no clogs in drain line. If clogged pour
mixture of household vinegar (diluted 1:3) with water
directly into the front edge of the drain pan.
Verify no clogs in small vinyl tubing that connects drain pan
to drain port by pouring a small amount of water into the
front edge of the drain pan to make sure it ows through
the drain port. If water does not come through verify MD33
is plumb and not leaning forward or out of level.
16 Installation & Operation Instructions 800.558.1711
WARRANTY
Limited Warranty. Broan, LLC (“Broan”) warrants as follows: (i) the B33DHW dehumidifier (“Product”) will be free of material
defects in workmanship or materials for a period of one (1) year (“One-Year Warranty”) following the date of initial purchase
of such Product by an original customer purchasing from Broan or an authorized reseller (“Customer”); and (ii) the Product’s
components will be free of material defects in workmanship or materials for a period of four (4) years following the date of initial
purchase of such Product by a Customer.
Limitation of Remedies. CUSTOMER’S SOLE AND EXCLUSIVE REMEDY UNDER THE ABOVE LIMITED WARRANTY
AND BROAN’S ENTIRE LIABILITY THEREUNDER, SHALL BE, AT THE SOLE OPTION OF BROAN, REPLACEMENT OR
REPAIR OF SUCH PRODUCT OR ITS COMPONENTS (“COMPONENTS”) BY BROAN OR BROAN’S AGENTS ONLY.
REFRIGERANT, PIPING, SUPPLIES, TRANSPORTATION COSTS, LABOR COSTS INCURRED IN REPAIR OR REPLACEMENT
OF SUCH COMPONENTS ARE NOT INCLUDED. THIS DISCLAIMER AND EXCLUSION SHALL APPLY EVEN IF THE
EXPRESS WARRANTY AND LIMITED REMEDY SET FORTH HEREIN FAILS OF ITS ESSENTIAL PURPOSE. CUSTOMER
ACKNOWLEDGES THAT NO REPRESENTATIVE OF BROAN OR OF ITS AFFILIATES OR RESELLERS IS AUTHORIZED TO
MAKE ANY REPRESENTATION OR WARRANTY ON BEHALF OF BROAN OR ANY OF ITS AFFILIATES OR RESELLERS THAT
IS NOT IN THIS AGREEMENT. Notwithstanding the above, during the term of the One-Year Warranty only, Broan will provide,
free of charge to Customer, all Components and labor (except costs related to removal and installation of Product) required to
fulfill its obligations under such One-Year Warranty.
Disclaimer of Warranties. EXCEPT FOR ABOVE LIMITED WARRANTY, WHICH IS THE SOLE AND EXCLUSIVE WARRANTY
PROVIDED WITH RESPECT TO THE PRODUCT AND ITS COMPONENTS, BROAN HEREBY DISCLAIMS ALL EXPRESS AND
IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE.
Warranty Limitations. The foregoing limited warranty extends only to a Customer and shall be null and void upon attempted
assignment or transfer. A “defect” under the terms of the limited warranty shall not include problems resulting from Customer’s
or Customer’s employees’, agents’, invitees’ or a third party’s misuse, improper installation, improper design of any system in
which the Product is included, abuse, lack of normal care, failure to follow written instructions, tampering, improper repair, or
freezing, corrosion, acts of nature or other causes not arising out of defects in Broan’s workmanship or material. If a Product or
Component is replaced while under warranty, the applicable limited warranty period shall not be extended beyond the original
warranty time period. The limited warranty does not cover any costs related to changes to a Product or Component that may be
required by any codes, laws, or regulations that may become effective after initial purchase of the Product by Customer.
Customer Responsibilities. As a further condition to obtaining warranty coverage hereunder, the Customer must send a
valid warranty claim to Broan such that Broan receives such claim prior to the end of the applicable warranty period. Broan
shall have no obligation hereunder with respect to any claim received by Broan after the expiration of the applicable warranty
period. As a further condition to obtaining warranty coverage hereunder, the Customer must present forms of invoices
evidencing proof of purchase of a Product. If such invoices do not clearly indicate the date of initial purchase by a Customer,
the applicable Product’s date of manufacture will be used instead of the date of initial purchase for the purpose of calculating
the commencement of the applicable warranty period. Warranty service must be performed by Broan or a servicer authorized
by Broan. In order to obtain warranty service, the Customer should call Broan at 1-800-558.1711 and ask for the Broan
Products Service Department, which will then arrange for applicable warranty service. Warranty service will be performed during
customary, daytime working hours. If the Product must be shipped for service, Customer shall be solely responsible for properly
packaging the Product, for all freight charges, and for all risk of loss associated with shipment.
Limitation of Liability. IN NO EVENT SHALL BROAN, IN CONNECTION WITH THE DESIGN, SALE, INSTALLATION, USE,
REPAIR, REPLACEMENT OR PERFORMANCE OF ANY PRODUCT, COMPONENT, PART THEREOF OR WRITTEN MATERIAL
PROVIDED THEREWITH, BE LIABLE, TO THE EXTENT ALLOWED UNDER APPLICABLE LAW, UNDER ANY LEGAL THEORY
FOR ANY SPECIAL, DIRECT, INDIRECT, COLLATERAL OR CONSEQUENTIAL DAMAGES OF ANY KIND. NOTWITHSTANDING
THE ABOVE LIMITATIONS AND WARRANTIES, THE SOLE AND EXCLUSIVE LIABILITY OF BROAN, REGARDLESS OF THE
NATURE OR THEORY OF THE CLAIM, SHALL UNDER NO CIRCUMSTANCES EXCEED THE PURCHASE PRICE OF THE
PRODUCT, COMPONENT OR PART UPON WHICH THE CLAIM IS PREMISED.
Applicable Law and Venue. ANY ARBITRATION, ENFORCEMENT OF AN ARBITRATION OR LITIGATION RELATED TO
THE PRODUCT WILL BE BROUGHT EXCLUSIVELY IN DANE COUNTY, WISCONSIN, AND CUSTOMER CONSENTS TO THE
JURISDICTION OF THE FEDERAL AND STATE COURTS LOCATED THEREIN, SUBMITS TO THE JURISDICTION THEREOF
AND WAIVES THE RIGHT TO CHANGE VENUE. CUSTOMER FURTHER CONSENTS TO THE EXERCISE OF PERSONAL
JURISDICTION BY ANY SUCH COURT WITH RESPECT TO ANY SUCH PROCEEDING.
Miscellaneous. If any term or condition of this Limited Warranty is found by a court of competent jurisdiction to be invalid,
illegal or otherwise unenforceable, the same shall not affect the other terms or conditions hereof or thereof or the whole of
this Limited Warranty. Any delay or failure by Broan to exercise any right or remedy will not constitute a waiver of
Broan to thereafter enforce such rights.
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Broan NuTone B33DHW Manuel utilisateur

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