Rinnai E110CRP Mode d'emploi

E110CRP
Rinnai
Marque
Rinnai
Modèle
E110CRP
Catégorie
Chauffe-eau
Taper
Mode d'emploi

Ce manuel convient également à

8W.51.60.07 / 01.17 Changes reserved.
Français: voir page 95
Installation & Servicing
Instructions
High eciency condensing gas boiler
E50CRN
E75CRN/E110CRN
E75CRP/E110CRP
- Do not store or use gasoline or other ammable vapors and
liquids in the vicinity of this or any other appliance.
- WHAT TO DO IF YOU SMELL GAS
- Do NOT try to light any appliance.
- Do NOT touch any electrical switch.
- Do NOT use any phone in your building.
- Immediately call your gas supplier from a neighbor’s phone.
Follow the gas supplier’s instructions.
- If you cannot reach your gas supplier, call the re department.
CAUTION!
Read this manual thoroughly before installing, servicing, putting
into operation or using this boiler and vent system.
WARNING!
Improper installation, adjustment, alteration, service or
maintenance can cause property damage, personal injury
(exposure to hazardous materials) or loss of life. Refer to the
user's information manual provided with this boiler. Installation
and service must be performed by a licensed professional, service
agency or the gas supplier (who must read and follow the supplied
instructions before installing, servicing, or removing this boiler).
CAUTION!
The user manual is part of the documentation that is delivered
to the installation's operator. Go through the information in this
manual with the owner/operator and make sure that they are
familiar with all necessary operating instructions.
NOTICE!
Installation and service must be performed by a qualied
installer, service technician or the gas supplier.
WARNING!
If you do not follow these instructions exactly, a re or explosion
may result causing property damage, personal injury or loss of life.
These instructions to be retained by user.
Address: 103 International Drive, Peachtree City, GA, 30269
Toll-free: 1-800-621-9419 • Fax: 678-829-1666 • www.rinnai.us
Pictured: E50CRN
E75CRN, E110CRN
E75CRP, E110CRP
Wall-hung Condensing Boilers:
E50CR, E75CR, E110CR
Installation & Servicing Instructions Rinnai E-Series
2
Contents of instructions
These installation instructions contain important information for the safe installation, start-up and maintenance of
boilers with capacities 50,000 through 110,000 BTU/hr.
These installation instructions are intended for licensed professionals, who have the necessary knowledge and
are approved for working on heating and gas systems.
Subject to technical changes
Changes may be made without notice to the illustrations, process steps and technical data as a result of our policy
of continuous improvement.
Updating of documentation
Please contact us if you have any suggestions for improvements or corrections.
1 Safety and general instructions ........................................................4
1.1 Designated use ...................................................................4
1.2 Hazarddenitions ................................................................4
1.3 Symboldenitions ...............................................................4
1.4 The following instructions must be followed ........................5
1.5 Follow these instructions for the space heating water .........6
1.6 Tools, materials and additional equipment ..........................6
1.7 Relevant Installation, Service and User manuals ................7
1.8 Disposal ...........................................................................7
2 Regulations and guidelines ..............................................................7
3 Description of the boiler ...................................................................8
4 Packaging and transportation ..........................................................9
4.1 Scope of delivery .................................................................9
4.2 Transportation .....................................................................9
5 Installation .........................................................................10
5.1 Requirements for the installation room .............................10
5.2 Fitting the boiler .................................................................11
5.3 Dimensions ........................................................................12
5.3.1 Clearances from boiler ......................................................13
5.4 Technicalspecications .....................................................14
6 Connecting the boiler .....................................................................15
6.1 Central heating system ......................................................15
6.1.3 Safety valve .......................................................................20
6.1.4 Lowwatercuto ...............................................................20
6.2 Boiler expansion tank ........................................................20
6.3 Underoorheatingsystem(plasticpipes) ...........................20
6.4 Gas supply connection ......................................................20
6.4.1 Gas connection with natural gas .......................................21
6.4.2 Gas connection with propane gas (not for E50CRN) ........22
6.5 Hot water supply ................................................................23
6.5.1 Domestic Water quality ......................................................23
6.5.2 Domestic water treatment Accessory ...............................23
6.5.3 DHW Expansion Tank ........................................................24
6.5.4 Installing a Thermostatic Mixing Valve .............................24
6.5.5 Installing a valve kit ...........................................................25
6.5.6 Pressure relief Valve ..........................................................25
6.5.7 Programming domestic hot water preheat ........................25
6.6 Condensate drain pipe ......................................................26
6.7 Vent system and air supply system ...................................27
6.7.1 Intake / Exhaust Guidelines ...............................................27
6.7.2a Examples vent and air supply systems (parallel) ..............28
6.7.2b Examplesventandairsupplysystems(lowprolePP) ....29
6.7.2c Examples vent and air supply systems
(PP Twin Pipe and Flex) ....................................................29
6.7.2d Boiler Exhaust Vent Hanger and Support (Rigid Pipes) ....32
6.7.3 Installation of the vent system ...........................................33
6.7.3.1 Conversion from parallel to concentric vent system ..........34
6.7.3.2 Conversion from concentric to parallel vent system ..........35
6.7.3.3 Installingairlter...............................................................35
6.7.4 Vent/air intake terminal position ........................................36
6.7.5 Direct vent closet and alcove installation ........................38
6.7.6 Dimensioning of the exhaust and air intake duct .............39
6.7.7 Combustion air and vent piping lengths. ...........................40
6.7.8 Calculation of compensation factor ...................................41
6.7.9 Room Air System (indoor combustion air) .........................42
Installation & Servicing Instructions Rinnai E-Series
3
Content
1 Safety and general instructions ........................................................4
1.1 Designated use ...................................................................4
1.2 Hazarddenitions ................................................................4
1.3 Symboldenitions ...............................................................4
1.4 The following instructions must be followed ........................5
1.5 Follow these instructions for the space heating water .........6
1.6 Tools, materials and additional equipment ..........................6
1.7 Relevant Installation, Service and User manuals ................7
1.8 Disposal ...........................................................................7
2 Regulations and guidelines ..............................................................7
3 Description of the boiler ...................................................................8
4 Packaging and transportation ..........................................................9
4.1 Scope of delivery .................................................................9
4.2 Transportation .....................................................................9
5 Installation .........................................................................10
5.1 Requirements for the installation room .............................10
5.2 Fitting the boiler .................................................................11
5.3 Dimensions ........................................................................12
5.3.1 Clearances from boiler ......................................................13
5.4 Technicalspecications .....................................................14
6 Connecting the boiler .....................................................................15
6.1 Central heating system ......................................................15
6.1.3 Safety valve .......................................................................20
6.1.4 Lowwatercuto ...............................................................20
6.2 Boiler expansion tank ........................................................20
6.3 Underoorheatingsystem(plasticpipes) ...........................20
6.4 Gas supply connection ......................................................20
6.4.1 Gas connection with natural gas .......................................21
6.4.2 Gas connection with propane gas (not for E50CRN) ........22
6.5 Hot water supply ................................................................23
6.5.1 Domestic Water quality ......................................................23
6.5.2 Domestic water treatment Accessory ...............................23
6.5.3 DHW Expansion Tank ........................................................24
6.5.4 Installing a Thermostatic Mixing Valve .............................24
6.5.5 Installing a valve kit ...........................................................25
6.5.6 Pressure relief Valve ..........................................................25
6.5.7 Programming domestic hot water preheat ........................25
6.6 Condensate drain pipe ......................................................26
6.7 Vent system and air supply system ...................................27
6.7.1 Intake / Exhaust Guidelines ...............................................27
6.7.2a Examples vent and air supply systems (parallel) ..............28
6.7.2b Examplesventandairsupplysystems(lowprolePP) ....29
6.7.2c Examples vent and air supply systems
(PP Twin Pipe and Flex) ....................................................29
6.7.2d Boiler Exhaust Vent Hanger and Support (Rigid Pipes) ....32
6.7.3 Installation of the vent system ...........................................33
6.7.3.1 Conversion from parallel to concentric vent system ..........34
6.7.3.2 Conversion from concentric to parallel vent system ..........35
6.7.3.3 Installingairlter...............................................................35
6.7.4 Vent/air intake terminal position ........................................36
6.7.5 Direct vent closet and alcove installation ........................38
6.7.6 Dimensioning of the exhaust and air intake duct .............39
6.7.7 Combustion air and vent piping lengths. ...........................40
6.7.8 Calculation of compensation factor ...................................41
6.7.9 Room Air System (indoor combustion air) .........................42
7 Electrical connections ....................................................................45
8 Boiler controls .........................................................................49
8.1 Explanation of the function buttons ...................................50
9 Starting up: Filling and de-aerating the boiler and installation .......51
9.1 Requirements of the water system ....................................51
9.2 Filling the heating system ..................................................52
9.3 Hot water supply ................................................................53
10 Adjustments .........................................................................55
10.1 Altering adjustments ..........................................................55
10.2 Activating factory settings (green button function) ...........58
11 Isolating the boiler .........................................................................58
12 Commissioning .........................................................................59
12.1 Testing for gas leaks ..........................................................60
12.2 TestingtheIgnitionSafetyshutodevice .........................60
12.3 Checking the O
2
at full load (Step 1/3) ...............................61
12.3.1 Checking the O
2
at low load (Step 2/3) ..............................62
12.3.2 Settings on the gas valve (Step 3/3) .................................63
12.4 Measuring the ionization current .......................................64
12.5 Installing the casing ...........................................................64
13 Maintenance .........................................................................65
13.1 Periodic examination of venting systems and boiler .........65
13.2 Inspection .........................................................................65
13.2.1 Visual inspection for general signs of corrosion ................66
13.2.2 Measuring the ionization current .......................................66
13.2.3 Measuring the inlet gas pressure ......................................66
13.2.4 Testing for gas leaks ..........................................................66
13.2.5 Carrying out a pressure test of the heating system ...........66
13.2.6 Checking venting systems .................................................66
13.3 Maintenance activities .......................................................67
13.3.1 Reset service interval counter ...........................................70
13.4 Limited warranty ................................................................70
14 Parts of the boiler .........................................................................71
15 Blocks and Errors .........................................................................72
15.1 Error indication (short reference) .......................................72
15.2 Blocks .........................................................................73
15.3 Errors .........................................................................74
15.4 Other Errors .......................................................................78
16 Spare parts .........................................................................80
17 Parts list vent system .....................................................................88
Appendix A - Outoor Reset Sensor Data and
Resistance table NTC sensors .......................................91
Appendix B - Optional accessoiries
Low Loss Header ...........................................................92
Side mounting kit for Low Loss Header ..........................94
Appendix C - Approved system cleaners, inhibitors and antifreeze .....94
French version .........................................................................95
Installation & Servicing Instructions Rinnai E-Series
4
1 Safety and general instructions
Please observe these instructions in the interest of your own safety.
1.1 Designated use
The boiler is designed for heating water for a central heating system and generating
domestic hot water. The boiler is delivered with a burner controller (MCBA) pre-
installed.Theboilercanbe tted with a outdoorresetsensor(included with the
boiler)oranOn/Othermostatorrelaypanelendswitch(eldsuppliedaccessories).
1.2 Hazard denitions
Thefollowingdenedtermsareusedthroughoutthedocumentationtobringattention
to the presence of hazards of various risk levels. Notices give important information
concerning the operation of the product.
DANGER:
Indicates the presence of hazards that will cause severe personal injury, death or
substantial property damage.
WARNING:
Indicates the presence of hazards that can cause severe personal injury, death or
substantial property damage.
CAUTION:
Indicates presence of hazards that will or can cause minor personal injury or property
damage.
CAUTION:
Risk of electric shock. Indicates presence of hazards due to electric shock.
NOTICE:
Indicates special instructions on installation, operation or maintenance that are
important but not related to personal injury or property damage.
1.3 Symbol denitions
The following (safety) symbols may be encountered in these installation instructions
and on the unit:
This symbol indicates that the unit must be stored away from freezing conditions.
This symbol indicates that the packaging and/or contents can be damaged as
a result of insucient care taken during transport.
This symbol indicates that, while still in its packaging, the unit must be protected
from weather conditions during transport and storage.
!
CAUTION
CAUTION
NOTICE
i
!
DANGER
!
WARNING
Installation & Servicing Instructions Rinnai E-Series
5
1.4 The following instructions must be followed
- The boiler must only be used for its designated purpose, as described in the
Installation Instructions.
- Eachunitisttedwithadataplate.Consultthedetailsonthisplatetoverifywhether
the boiler is compliant with its intended location, e.g.: gas type, power source and
ventingclassication.
-
Only use the boiler with the accessories and spare parts listed.
- Otheraccessoriesandconsumablesmayonlybeusediftheyare specically
designedfortheintendedapplicationanddonotaectthesystemperformance
and the safety requirements.
- Maintenance and repairs must be performed by licensed professionals.
- Gas utility/supplier may require reporting and/or approval of condensing gas boiler
installations.
- You are only allowed to operate the condensing gas boiler with the vent system
thathasbeenspecicallydesignedandapprovedforthistypeofboiler.
- Local codes governing the vent system and condensate water disposal must be
followed.
You must also respect:
- The local building codes stipulating the installation rules.
- The local building codes concerning the air intake and outlet systems and the
chimney connection.
- The regulations for the power supply connection.
- The technical rules established by the gas utility company concerning the
connection to the local gas mains.
- The instructions and standards concerning the safety equipment for the water/
space heating system.
- The Installation Instructions for building heating systems.
- The boiler must be located in an area where leakage of the boiler or connections
willnotresultindamagetotheareaadjacenttotheboilerortoloweroorsof
the structure. When such locations cannot be avoided, it is recommended that a
suitable drain pan be installed under the boiler.
- The boiler must be installed in such way that the all components are protected
from water (dripping, spraying, rain etc.) during boiler operation and service.
- The boiler must not be installed on or against carpeting.
- Do not restrict or seal any air intake or outlet openings.
- Ifyoundanydefects,youmustinformtheownerofthesystemofthedefectand
the associated hazard in writing.
Failure to properly commission the boiler as described in section 13 may result in
unreliable burner operation, reduced component life, and unsafe boiler operation
and may void the product warranty.
DANGER. Gas is ammable and may cause an explosion.
Beware if you smell gas: there may be an explosion hazard!
Iftheinformationintheseinstructionsisnotfollowedexactly,areorexplosionmay
result causing property damage, personal injury or death.
- Donotstoreorusegasolineorotherammablevaporsandliquidsinthevicinity
of this or any other appliance.
WHAT TO DO IF YOU SMELL GAS
- Do NOT try to light any appliance.
- Do NOT touch any electrical switch.
- Do NOT use any phone in your building.
- Immediately call your gas supplier from a neighbor’s phone. Follow the gas
supplier’s instructions.
- Ifyoucannotreachyourgassupllier,calltheredepartment.
Should overheating occur or the gas supply fail to shut o, do not turn o or
disconnect the electrical supply to the pump. Instead, shut o the gas supply
at a location external to the appliance.
!
DANGER
!
WARNING
!
WARNING
!
WARNING
Installation & Servicing Instructions Rinnai E-Series
6
Chemicals that are corrosive in nature should not be stored or used near the
boiler or vent termination.
1.5 Boiler System Water Requirements
Unsuitableheatingsystemwatercancausetheformationofscaleorsludge,whichaects
systemeciency.Itcanalsocausecorrosionandreducelifeoftheheatexchanger.
– You must follow Rinnai guidelines for boiler water quality.
– Thoroughlyushthesystempriortolling.
– Follow the Rinnai cleaning instructions.
– Never use water that has been treated by a reverse osmosis, deionized, or distilled
watertosoftenthewatertolltheheatingsystem.
– Do not use inhibitors or other additives unless approved by Rinnai for that purpose.
– When freeze protection of the heating system is desired, only use Rinnai-approved
antifreezes. The allowed maximum concentration is 50%.
– Whenusingoxygen-permeablepipes,e.g.forunderoorheatingsystems,you
must separate the system from the boiler using plate heat exchangers.
–
Valveoboilerwhileushingsystem,donotintroduceanysystemcleanerintothe
boilerloop.Flushsystemthoroughlytoremoveallsystemcleanerbeforellingboiler.
Approved antifreeze: • Rhomar RhoGard Mutli-Metal (AL safe) • Sentinel X500
(max. concentration 50%) • Noble Noburst AL • Fernox Alphi 11
Approved system cleaner: • Noble Noburst Hydronic System Cleaner • Fernox F3 Cleaner
• Rhomar Hydro-Solv 9100 • Sentinel X400
The system cleaners from NoBurst, Rhomar, and Fernox are not to be used in
the boiler. The boiler must be closed o (valved o) from the rest of the system
or not connected while the cleaners are in the system. The system should then
be drained and then thoroughly ushed with clean water to remove all the
system cleaner.
Approved inhibitors: • Rhomar Pro-tek 922 • Sentinel X100
• Noble Noburst AL inhibitor
See Chapter 6 and 9 of this manual for additional information.
If problems occur when using potable water with a chloride content
higher than 150 mg/l, no recourse can be made to the terms of the limited
warranty.
1.6 Tools, materials and additional equipment
For the installation and maintenance of the boiler you will need:
– Standardtoolsforspaceheating,gasandwatertting
– Digital manometer, capable of reading both positive and negative pressure
– Combustion analyzer (intended for use with condensing boilers)
– Digital multimeter capable of reading micro-amps
– pH digital meter or test strips
– Metric Allen wrenches
– Metric socket wrenches
In addition, a handtruck with a fastening belt is useful.
For maintenance of the boiler you will need, apart from standard tools for space
heating,gasandwaterttingsthefollowingitems:
- Boiler toolkit
NOTICE
i
NOTICE
i
NOTICE
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Installation & Servicing Instructions Rinnai E-Series
7
1.7 Relevant Installation, Service and User manuals
– Approved vent system
– User manual
1.8 Disposal
– Dispose of the boiler packaging in an environmentally sound manner.
– Dispose of components of the heating system (e.g. boiler or control device), that
must be replaced in an environmentally responsible manner.
2 Regulations and guidelines
The installation must comply to the requirements of the authority having jurisdiction
or, in the absence of such requirements, to the latest edition of the National Fuel Gas
Code, ANSI Z223.1/NFPA 54. In Canada, installation must be in accordance with
the requirements of CAN/CSA B149.1, Natural Gas and Propane Installation Code.
Where required by the authority having jurisdiction, the installation must comply to
the Standard for Controls and Safety Devices for Automatically Fired Boilers, ANSI/
ASME CSD-1.
Install CO detectors per local regulations. Boiler requires an inspection every 2 years
and maintenance every 4 years or 8000 hours. See maintenance section chapter 13.
Operating Limits of the boiler:
Max. boiler temperature: 176 °F (80.0 °C)
Max. operating pressure: 45 psi (3 bar)
Max. Allowable Working Temperature ASME: 200 °F (93 °C)
Max. Allowable Working Pressure ASME: 45 psi (3 bar)
The hot water distribution system must comply with all applicable codes and
regulations. When replacing an existing boiler, it is important to check the condition
of the entire hot water distribution system to ensure safe operation.
Installation & Servicing Instructions Rinnai E-Series
8
3 Description of the boiler
The Rinnai E-Series Combi boiler is a modulating condensing central heating boiler,
with an integrated DHW capability.
The boiler is provided with a compact stainless steel heat exchanger with smooth
tubes.
The boiler burns gas to supply heat. The heat is transferred in the heat exchanger
to the water in the central heating system. By cooling down the exhaust gases
condensateisformed.Thisresultsinhigheciency.Thecondensate,which has
noeectontheheatexchangerandthefunctionoftheboiler,isdrainedthrougha
condensate collector trap.
The boiler is provided with an intelligent control system (CMS Control Management
System). The boiler anticipates the heat demand of the central heating system or the
domestic hot water system.
When an outdoor sensor is connected to the boiler it will operate weather dependantly
using outdoor reset. This means that the boiler control measures the outside
temperature and supply temperature. With this data the boiler calculates the optimal
supply temperature for the installation. Outdoor reset lowers the boilers heating supply
temperature when the weather is warmer, matching the heat loss of the building and
maximizingeciency.
Explanation of the appliance type: Rinnai E110CRN
E = Type
110 = Nominal load in (x1000) BTU
C = C = Combi
N = Natural Gas (P = Propane Gas)
Dierentboilertypes:
Condensing
Retrieves heat as much
aspossiblefromtheue
gasses. Water condenses on
the heat exchanger.
Modulating
Stepless higher or lower
burning according to the heat
demand.
Combi boiler with integrated DHW capability
E50CRN E75CRN
E75CRP
E110CRN
E110CRP
Installation & Servicing Instructions Rinnai E-Series
9
4 Packaging and transportation
4.1 Scope of delivery
The boiler is supplied ready for use.
• Please check if the packaging is intact.
• Check if all the items listed are included in the delivery.
The supply kit contents:
Description Amount
E50CRN E75CRN
E75CRP
E110CRN
E110CRP
Part No. Fitting Kit complete: 804000088 804000046 804000047
Boiler with:
Outdoor reset sensor 1 1 1
22mmcompressionttingring 4 4 4
NutW1.1/8x1/1422Compressiontting 2 2 2
Adaptertting22mmx1"NPText. 2 2 2
Screw 4,8X16mm 4 4 4
Line voltage input connector 3 pole grey 1 1 1
Cap de-aerator 1 1 1
Waterlock1/2"NPText.x1/4"NPTint. 1 1 1
Mano-/thermometer1/4"NPT64 1 1 1
Safetyvalve4bar3/4"NPText. 1 1 1
Flow restrictor FG 3.2 GPM brown 1 1
Flow restrictor FG 4.6 GPM green 1
15mmcompressionttingring 4 4 4
Adaptertting15mmx3/4"NPText. 2 2 2
Nut15mmcompressiontting 2 2 2
ConcentricueadapterØ80/125mm 1
Pluguegas 2
GasketairsupplyØ120 1
CoverairsupplyØ80 1
Gasket vent system/air supply 1
Feedthrough+pluguegas 1 1
Flueadapter3"ppsULappr. 1 1
Airsupplyadapter3"ppsULappr. 1 1
Lip-ringuepipeø80 1 1
Wall mounting bracket HEX1/2S 1 1 1
Template 1 1 1
Installation & Service Instructions 1 1 1
User information manual 1 1 1
Warranty document 1 1 1
ICSL book 1 1 1
4.2 Transportation
The boiler may be damaged when not secured properly.
- Only transport the boiler using appropriate transportation equipment, such as a
handtruck with a fastening belt or special equipment for maneuvering steps.
- When transporting the boiler must be secured on the transportation equipment to
preventitfromfallingo.
- Protect all parts against impacts if they are to be transported.
- Follow the transportation markings on the packaging.
• Packaged boilers must always be lifted and carried by two people, or you must
use a handtruck or special equipment for transport.
!
CAUTION
Installation & Servicing Instructions Rinnai E-Series
10
5 Installation
5.1 Requirements for the installation room
- This boiler is intended for indoor installations only.
- The room where the boiler will be placed must always be free from freezing
conditions.
- Do not store or use gasoline or other ammable vapors and liquids in the
vicinity of this or any other appliance.
- Never use or store any chlorinated detergents or halogenated hydrocarbons
(e.g. in spraycans, solvents and detergents, paints, adhesives) in proximity
of the boiler.
- The boiler must be installed in such a way that it is protected from water
(dripping, spraying, rain, etc.) during boiler operation and service (circulator
replacement, condensate trap, control replacement, etc.)
!
DANGER
Keep the following listed products away from the boiler
and/or around combustion air intake
Spray cans containing chloro-/fluorcarbons
Ammonium and/or ammonium solutions
Permanent wave solutions (hair product)
Laundry equipment
Chlorinated waxes and/or cleaners
Swimming pool chemicals based on chlorine
Calcium chloride used for thawing
Sodium chloride used for water softening
Refrigerant leaks
Paint or varnish removers
Hydrochloric acid/muriatic acid
Cements and glues
Antistatic fabric softeners used in clothes dryers
Chlorine-type bleaches, detergents, and cleaning solvents
found in household laundry rooms
Adhesives used to fasten building products and
other similar products
Areas likely to have contaminants
Dry cleaning/laundry areas and establishments
Swimming pools
Metal fabrication plants
Beauty shops
Refrigeration repair shops
Photo processing plants
Auto body shops
Plastic manufacturing plants
Furniture refinishing areas and establishments
New building construction
Remodeling areas
Garages with workshops
Installation & Servicing Instructions Rinnai E-Series
11
5.2 Mounting the boiler
- Remove the packaging materials.
- Lay the boiler on its back during unpacking. Remove the cover from the
boiler. This part may be left o during installation. It must be placed on the
boiler and xed with the screw behind the door and in the 4 quick releases
before the boiler is started up.
Turn the boiler to its side and remove the wall bracket from the back of the
boiler by removing the 2 screws.
The boiler can be mounted practically to any wall with the suspension bracket and the
enclosed mounting equipment.
- Thewallmustbeatandofsucientstrengthinordertobeabletosecurelyhold
and support the boiler weight with its water content.
- Take note of the necessary space around the boiler for installation of venting
system, pipework and servicing. See drawing on pages 12 and 13.
- Drill the necessary holes using the template
- Install the mounting bracket to the wall
- The boiler must be installed using the included mounting hardware.
Lifting and carrying precautions:
To avoid personal injury please follow these recommendations:
- Always lift the boiler with 2 people or use special equipment.
- When lifting the boiler, bend the knees, and keep the back straight and feet
apart.
- Do not lift and twist at the same time.
- Lift and carry the boiler close to the body.
- Wear protective clothing and gloves to protect from any sharp edges.
Lift the boiler only by the boiler's rear wall. Do not lift using the pipes on the
bottom of the boiler or the vent connections on the top of the boiler.
!
CAUTION
NOTICE
i
NOTICE
i
!
WARNING
Installation & Servicing Instructions Rinnai E-Series
12
5.3 Dimensions
C
F
A
B
D
H
J
K
G
P
U
E
O
Q R
T
N
f w g k r c
V
C
F
A
B
D
H
J
K
G
P
T
E
O
Q R
T
N
f w g k r c
V
E50CRN E75CRN
E75CRP
E110CRN
E110CRP
S
Dimensions Connection diameter
Boiler type
E50CRN
E75CRN / E75CRP
E110CRN / E110CRP
E50CRN
E75CRN / E75CRP
E110CRN / E110CRP
inches / mm inches / mm
A Height 25.6" / 650
B Width 19.7" / 500
C Depth 15.6" / 395
D Left side / vent 13.2" / 335
E Center to center / vent and air supply 4.7" / 120
F Back / vent 10.6" / 270
G Left side / gas pipe 9.8" / 250 g 3/4"M-NPT
H Left side / supply pipe 5.9" / 150 f 0.59" x 1"M-NPT / 22mm
J Left side / return pipe 13.8" / 350 r 0.59" x 1"M-NPT / 22mm
K Left side / condensate pipe 15.9" / 405 c 0.87" / 22mm
N Left side / cold water pipe 11.2" / 285 k 0.59" x 3/4"M-NPT / 15mm
O Left side / hot water pipe 8.5" / 215 w 0.59" x 3/4"M-NPT / 15mm
P Pipe length of g 1" / 26
Q Pipe length of c 1.6" / 40
R Pipe length of k and w 3.5" / 90
S Pipe length of f and r 3.7" / 95
T Back / Center of pipe c, k and w 1" / 25
U Back / Center of pipe f, g and r* 1.9" / 49
E50CR: 3
"
/ 80mm
Combi
V Pipe length concentric vent and air supply 7" / 177 x
E50CR:
3
/
80mm
E75CR, E110CR: 80/125mm
dimensions table 1
dimensions gure1
S
Installation & Servicing Instructions Rinnai E-Series
13
5.3.1 Clearances from boiler
clearances to the boiler table 3
serviceclearancestotheboiler  gure4
wall
ceiling
For closet installation: clearance is 1” / 25mm from the front.
2"
50
Min.10"/
250mm
15.7"
400
24"
600
Minimum required clearances
to combustibles
Minimum required clearances
to non-combustibles
Required
service clearances
All types
ll types
ll types
inch / mm inch / mm inch / mm
Topofboiler 0" 0" 10"/250
Backofboiler 0" 0" 0"
Frontofboiler 1"/25 1"/25 24"/600
Leftsideofboiler 0" 0" 2"/50
Rightsideofboiler 0" 0" 2"/50
Floor / Ground to
bottom of boiler
0" 0"
10"/250
30"/762
is recommended
Vent 0" 0" 0"
2"
50
Installation & Servicing Instructions Rinnai E-Series
14
5.4 Technical specications
Technicalspecications Table4
E50CRN E75CRN E110CRN
Boiler type E75CRP E110CRP
Input CH BTU/hr 50,000 75,000 110,000
kW 14.7 22 32
Input DHW BTU/hr 85,000 85,000 130,000
kW 25 25 38
Heating capacity BTU/hr 47,000 69,000 101,000
kW 13.8 20.2 29.6
O
2
(at full load)
%
Electrical power consumption max. W
Electrical power consumption stand by W
Current V/Hz
Fuse rating A
Degree of protection acc. EN 60529
Weight (empty)
lbs / kg
85 / 39 85 / 39 99 / 45
Water content CH
gallon / liter
0.9 / 3.5 0.9 / 3.5 1.3 / 5
Water content DHW
gallon / liter
0.13 / 0.5 0.13 / 0.5 0.18 / 0.7
After run time pump CH min
After run time pump DHW min
P
MS
Water pressure min.-max.
PSI / bar
P
MW
Water pressure DHW max.
PSI / bar
Supply temperature max.
°F / °C
Pump type UPER 20-58 UPER 20-58 UPER 20-78
Available pump height CH PSI / kPa 6.4 / 44 4.2 / 29 5.2 / 36
Foot of head 14.8 9.6 12.0
Approvals
DHW flow
(
at T50°F
)
gallon/min 3.1 3.1 4.6
DHW flow
(
at T27.8°C
)
liter/min 11.7 11.7 17.5
DHW flow
(
at T75°F
)
gallon/min
2.1 2.1 3.2
DHW flow
(
at T41.7°C
)
liter/min
7.9 7.9 12.1
Max. DHW flow rate
gallon/min 2.1 2.1 4.6
liter/min 7.9 7.9 17.4
DHW temperature (T
in
=50°F (10°C)
°F / °C
Pressure difference DHW at max. flow PSI / bar 2.9 / 0.2 2.9 / 0.2 4.4
CSA number
CRN number
2183087
8101.7CL
E-Series
Combi
Natural gas: 4.4 - 4.7 (Propane: 4.8 - 5.1)
IPX4D (IPX0D in case of room air)
145
14
120Vac/60Hz
5AF & 4AT
176 / 80
5
1
14 - 45 / 1 - 3
150 / 10
140 / 60
ASME, CSA
Installation & Servicing Instructions Rinnai E-Series
15
6 Connecting the boiler
The boiler has the following pipe connection;
- The central heating circuit pipes.
- The gas supply pipe.
Provided with a 3/4" male thread. See further chapter 6.4;
- Cold and hot water pipes for domestic hot water (DHW).
Theseconsistof3/4"MNPTx15mmcompressionadapterttings.Seefurther
chapter 6.5;
- The condensation drain pipe.
It consists of an oval 7/8" (22 mm) plastic pipe. The drain pipe can be connected to
thisbymeansofanopenconnection.Iftheopenconnectionisttedinadierent
location, then the pipe can be lengthened by means of a 1 1/4" (32 mm) PVC
sleeve. See further chapter 6.6;
- The vent system and air supply system.
Itconsistsofatwinpipeconnectionthatwillaccept80mmueandintakeairorwith
theuseoftheincludedadapters3”PVC/CPVCueandintake.Seefurtherchapter
6.7.
The pipes to be connected to the boiler must be cleaned before connecting in
order to prevent dirt from entering and damaging the boiler.
NOTICE
i
Compression fittings.
Parts:
1. Nut
2. Ferrule
3. Fitting
Fitting instructions:
Clean pipe ends tho-
roughly. The outside
surface has to be
smooth before fitting.
1. Push the complete
fitting over the pipe as
far as possible. Ferrule
should be over the
pipe completely.
2. Turn the nut handtight
clockwise.
3. Use 2 wrenches, one
to hold the fitting on
its place, the other
for tighten the nut
clockwise in 3/4 turn.
21
3
NOTICE
i
Installation & Servicing Instructions Rinnai E-Series
16
6.1 Central heating system
Connect the central heating system according to its instructions.
When removing the plastic sealing caps from the pipes, water may come out
of the boiler due to live re testing during manufacturing.
The boiler, when used in connection with a refrigeration system, must be
installed so the chilled medium is piped in parallel with the boiler with appropriate
valves to prevent the chilled medium from entering the boiler.
The boiler piping system of a hot water boiler connected to heating coils located
in air handling units where they may be exposed to refrigerated air circulation
must be equipped with ow control valves or other automatic means to prevent
gravity circulation of the boiler water during the cooling cycle.
Some installations with multiple zone valves may require a dierential bypass,
this will prevent excessively high ow rates through a single zone when the
other zone valves are closed.
Boilerbasicpiping g.5
NOTICE
i
NOTICE
i
NOTICE
i
NOTICE
i
Installation & Servicing Instructions Rinnai E-Series
17
- Boilersystemushing(NotBoilerheatexchanger)
When replacing an existing boiler the heating system shall be ushed with an
approved system cleaner (refer to system cleaner list) before the new boiler is
added to the system. If the old boiler has already been removed a bypass must
be piped in when the new boiler is installed in order to facilitate the ushing
of the system.
The boiler must be valved o from the system, while the system is ushed. No
system cleaner should ever enter the boiler heat exchanger due to its caustic
nature which could damage the heat exchanger.
1. Closetheshutovalvesonboththesupplyandreturnconnectionsontheplumbing
kit (V1 and V2).
2. Open the bypass valve (V4).
3. Connect pump outlet hose (H1) to the purge station (BD1) and connect H2 to the
inlet of the pump and place the other end in the pail.
4. Connect drain hose (H3) to the return side purge station (BD2).
5. Pour the system cleaner into a pail and follow the system cleaner instructions on
circulation time and volume to be added to the system.
6. Close the valve (V3)
7. Operate the pump (P1) and circulate the cleaner through the system for required
time as established by the cleaner manufacturer.
8. Once the time required by the system cleaner manufacturer has been met place
the hose (H3) in a drain.
9. Close the purge station (BD1)
10. Open the auto feed on the system (F1) and allow water to rinse the system for
whichever is greater; 10 minutes or the required rinse time by the system cleaner
manufacturer.
Boilersystemushing g.7
Installation & Servicing Instructions Rinnai E-Series
18
11. If the installation is a zone system be sure to purge out each zone individually
12. Close the auto feed on the system (F1)
13. Close the return side purge station (BD2) and disconnect the hose (H3).
14. Open the main valve on the system return (V3)
15. Close the bypass valve below the boiler (V4).
16.Openshutovalvesonboththesupplyandreturnconnectionsbelowtheboiler
(V1 and V2).
17. Clean out the dirt trap
18.TestthepHofthewaterthatwillbeusedforllingthesystem
19.Testthewaterhardnessofthewaterthatwillbeusedforllingthesystem
20. Use the proper water treatment to ensure the pH and water hardness are within
the Rinnai boiler water quality guidelines
21.Theboilerandsystemmaynowbelled.
The following is a list of approved system cleaners, inhibitors, and antifreeze.
Approved antifreeze:
• Rhomar RhoGard Mutli-Metal (AL safe) • Sentinel X500
• Noble Noburst AL • Fernox Alphi 11
Approved system cleaner:
• Noble Noburst Hydronic System Cleaner • Fernox F3 Cleaner
• Rhomar Hydro-Solv 9100 • Sentinel X400
The system cleaners from NoBurst, Rhomar, and Fernox are NOT to be used in
the boiler. The boiler must be closed o (valved o) from the rest of the system
or not connected while the cleaners are in the system. The system should then
be drained and then thoroughly ushed with clean water to remove all the
system cleaner.
Approved inhibitors:
• Rhomar Pro-tek 922 • Sentinel X100
• Noble Noburst AL inhibitor
- Connect the expansion tank to the system. See chapter 6.2.
- Connect the pipes so that they are free from strain.
The boiler has a self-adjusting and self-protecting control system for the load and the
pumpcapacity.Bythismeans,thetemperaturedierencebetweenthesupplyandreturn
water is checked and controlled.
If the installation resistance is over the stated value; the load will be adjusted until
anacceptabletemperaturedierencebetweensupplyandreturnwaterhasbeen
obtained.If,afterthis,thetemperaturedierenceisstillnotacceptablethentheboiler
willswitchoandwaituntilanacceptabletemperaturehasarisen.
If an unacceptable temperature is detected, the control will repeatedly try to achieve
waterowovertheboiler.Ifnottheboilerwillswitcho.
Asstandardtheboilerisprovidedwithawaterlterinthereturnpipeoftheboiler,
sothatdebrisfromthecentralheatingwaterispreventedfromaectingtheboiler.
NOTICE
i
Waterlter gure8
Installation & Servicing Instructions Rinnai E-Series
19
To protect the entire heating system we recommend installing a dirt particle
trap in the return circuit. When the boiler is installed to an existing heating
system this trap is required. Use of a Y strainer is not permitted as substitute
for a dirt trap.
- PositionH3(gure7)isagardenhosethreadboilerdrain,thatcanbeusedto
drain the boiler or add water treatment additives to the system, such as inhibitors
or glycol.
- Forinformationonlocatingtheexpansiontankandsystemll,pleaseseethe
Rinnai Boiler Applications Manual.
The boiler is designed to be used on pressurized heating systems only (closed
loop).
If the boiler is to be installed in a system that utilizes zone pumps and not zone valves
a low loss header plumbing kit should also be installed (part number: 804000061).
If the pressure drop in the loop/system is greater than the available head pressure
from the boiler pump a low loss header plumbing kit should be used (part number:
804000061).
NOTICE
i
NOTICE
i
pump index lines graph 1
0
2
4
6
8
10
12
14
024 6 8 10 12
Q [gallons/min]
PSI
UPER 20-58 (max.) UPER 20-78 (max.)
Pressure drop E75C/E50C Pressure drop E110C
32.3
27.7
23.0
18.5
13.8
9.2
4.6
0
Feet of head
E50CR/E75CR
E110CR
pump type permissible installation resistance
gallons/min. gallons/h. PSI / kPa / Foot of head
Combi E50CRN UPER20-58 2.5 150 6.4 / 44 / 14.8
E75CRN/E75CRP UPER20-58 4.3 255 4.2 / 29 / 9.6
E110CRN/E110CRP UPER20-78 5.5 328 5.2 / 36 / 12.0
Boiler type water flow rate
pump capacity table 5
Installation & Servicing Instructions Rinnai E-Series
20
6.1.1 Safety valve
An ASME 30 psi pressure relief valve is included with the boiler and must be
tted before any shut o valve in the system.
6.1.2 Low water cut o
The Rinnai E boiler has a factory installed pressure sensor type Low Water Cut
O (LWCO). Check your local codes to see if a Low Water Cut O is required
(LWCO) and if this device conforms to local code.
The boiler's internal low water cut o is not serviceable or adjustable .
6.2 Boiler expansion tank
Choose an expansion tank volume, of which is geared to the installation’s water
capacity. The pre-charge pressure depends on the installation height above the
expansion tank. Fit the expansion tank into the return pipe as close as possible to
the boiler return connection. The expansion tank should be sourced locally. Please
refer to the expansion tank manufacturer for further information.
Fill the expansion tank to a minimum of 14.5 psi.
The boiler cannot be used with an open type expansion tank.
6.3 Underoor heating system (plastic pipes)
When using oxygen-permeable tubing, e. g. for underoor heating systems, the
system must be separated using plate heat exchangers.
No recourse can be made to the terms of the limited warranty in the event of
failure to observe the regulations pertaining to plastic underoor heating pipes.
6.4 Gas supply connection
Only work on gas lines if you are licensed for such work.
If these instructions are not followed exactly, a re or explosion may result
causing property damage, personal injury or death.
Rinnai wall mounted E boilers are built to run on their specied gas type either
Natural Gas or Liquid Propane (not for E50CRN). The gas type the boiler is
suitable for is indicated on the packaging and on the boiler by a blue label with
Natural Gas and on the identication plate on the boiler.
First check the identication plate on the boiler for the suitable gas type.
Do not use the boiler for another type of gas than indicated on the identication
plate of the boiler. This will cause improper functioning and can damage the
boiler.
NOTICE
i
NOTICE
i
NOTICE
i
!
DANGER
!
DANGER
!
WARNING
NOTICE
i
NOTICE
i
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