Rinnai Infinity N32i Operation And Installation Manual
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Rinnai Infinity N32i Operation And Installation Manual

Instantaneous condensing water heaters
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Indoor models:
(REU-N3237FFC-E)
(REU-N2635FFC-E)
Instantaneous condensing water heaters
Operation and installation manual
Outdoor models:
(REU-N3237WC-E)
(REU-N2635WC-E)

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Summary of Contents for Rinnai Infinity N32i

  • Page 1 Indoor models: Outdoor models: (REU-N3237FFC-E) (REU-N3237WC-E) (REU-N2635FFC-E) (REU-N2635WC-E) Instantaneous condensing water heaters Operation and installation manual...
  • Page 2 CE Marked according to Regulation 2016/426/EU and Directive 2014/53/EU. 0461 The design, development and...
  • Page 3 From the time this manual is printed and attached to the product, to the time the product is purchased and installed, appliance. for the installation, the use and the maintenance. Via Liguria, 37 e-mail. info@rinnai.it - rinnai.it...

  • Page 4: What Is Not Covered

    Dear Customer, Our compliments for having chosen a Rinnai product. products purchased. WHAT IS COVERED? WHAT WILL RINNAI DO? HOW DO I GET SERVICE? WHAT IS NOT COVERED?
  • Page 5 .......................................................................... 11 ....................12 ............12 ..............13 ..................14 ..........................15 ..........................16 ..........................17 ........................20 ........................ 20 ......................21 ..........................21 ............................22 ................23 ............................24 ..........................24 ......................... 24 ........................24 ....................... 25 ..........................
  • Page 6 ..........................46 ............................47 .............................................................................. 50 ................. 51 ......................51 ............................ 52 ........................... 54...
  • Page 8 Indoor model Outdoor model . If the temperature of the , at generate as standard (in the outdoor models it is separated from the • • The temperatures selected are kept in the : in case of control transfer, the temperature is restored is provided on each unit (indoor models included): heating ceramic for outdoor and indoor units.
  • Page 9 Indicates an important information. Information on the correct use, installation and operation of the product. NOTE Indicates a ground connection for the prevention of an electric shock. IMPORTANT the Rinnai technical service centre. Use original Rinnai parts to repair the appliance.

  • Page 10: Frost Protection

    is in operation. Data plate appliance and check the gas pressure is correct. HOT! might get damaged. Flexible pipe Gas valve Water valve Cold Grounding Grounding to avoid a hazard. Frost protection 1. Turn water valve off Filter 2. Turn gas Drain valve valve off Gas valve...

  • Page 11: Indoor Model

    OPEN Cold CLOSED Cold Standard remote controller (MC-601) Control panel Control panel Indoor model Outdoor model installed. a time.
  • Page 12 1.3.1 SELECTABLE TEMPERATURES to a higher value or limiting it further. This change is not permitted to domestic users. Rinnai recommends setting the life of the appliance. Master , 65 , 75 usage temperatures help to reduce consumption. temperatures Washing process 1.3.2 OPERATION WITH THE STANDARD CONTROL PANEL...
  • Page 13 Adjusting temperature on the digital monitor. the appliance. CAUTION NOTE Transferring priority When more than one command is installed, to change the temperature of and that some users are active. the function. Lock function Fig. 1 Fig. 2 1.3.3 OPERATION WITH MULTIPLE CONTROL PANELS...

  • Page 14: Operational Safety Information

    1.3.4 OPERATIONAL SAFETY INFORMATION CAUTION During the operation of the appliance the set temperature is not permitted during operation of the device. These OFF! Depending on the environmental conditions, the length and restore its normal operation. Main Secondary Main controller controller controller function.
  • Page 15 (Up) Troubleshooting without controllers (Outdoor Models) The unit does not attempt to start at all. inlet on the appliance. CAUTION...

  • Page 16: Error Codes

    1.4.1 ERROR CODES Venturi Control Data tansfer Error Condensate Pump Freeze Protection Thermistor Inlet Thermistor damage. To reset the code, push on the controller 5 times in 5 seconds. function. Microprocessor fault. Flame sensing device fault. Maintenance Indicator Rinnai service performed maintenance.

  • Page 17: Maintenance

    1.4.2 MAINTENANCE IMPORTANT health of people and animals. the good functioning of the product, limiting some causes of damage and damage. Filter the appliance and reduces its life. Drain valve Gas valve Water valve Cold...

  • Page 20: Appliance Location

    WARNING 2.1.1 APPLIANCE LOCATION IMPORTANT distances from the architectural elements.
  • Page 21 (5x) Screws and wall Cable clamps and screw Standard remote Connecting cable plugs to fix the appliance controller (MC-601) for the remote to secure the remote (outdoor models only) (outdoor models only) (outdoor models only) Outdoor Models EXHAUST OUTLET EXHAUST DUCT CASING EXHAUST THERMISTOR FRONT PANEL...
  • Page 22 17.8 157.5 4-Ø13HOLE 240.8 PRESSURE RELIEF VALVE COLD WATER INLET HOT WATER OUTLET CONDENSATE OUTLET GAS CONNECTION DIMENSION CONNECTION R 3/4 45.2 mm 53.7 mm COLD R 3/4 R 3/4 41.2 mm CONDENSATE 23.9 mm R 1/2 OUTLET 129.5 142.2 139.2 Coaxial Flue Ø80 - Ø125 240.8...

  • Page 23: Operation Principles

    Operation principles Exhaust Exhaust Thermistor Ignitor Ignitor Air Intake Filter Flue Outlet Check Valve Check Valve Burner Combustion Fan Intake Box Combustion Fan Exhaust Thermistor Gas + Air Flame Rod Burner Gas + Air Electrode Flame Rod Venturi Unit Electrode Electrode (Grand) Venturi Unit Electrode (Grand)

  • Page 24: Water Connection

    2.6.1 CLEARANCE Description (mm) Indoor Model Outdoor Model Indoor Model Outdoor Model 61 cm MINIMUM OBSTRUCTION HEIGHT IS TO BE NO LESS THAN TOP OF APPLIANCE DO NOT! IMPORTANT 2.6.2 WATER CONNECTION impurities or production residues that could cause the product to malfunction. Iron hardness 600 mg/l...

  • Page 25: Electrical Connection

    performance. 2.6.4 ELECTRICAL CONNECTION Grounding Grounding The use of plug adapters, multiple sockets or prounges is not permitted. 2.6.5 FLUE SYSTEM IMPORTANT...
  • Page 26 Coax prolongue Parallel fue kit ø80/80 FOT-KX080-009 FOT-KX080-001 L = 1000 mm Prolongue ø 80 FOT-KS080-001 FOT-KX080-004 Coax Kit 2 bend 45° L = 1000 mm FOT-KX080-005 Coax bend 90° FOT-KS080-004 Kit 2 bend 45° ø 80 Coax horizontal Bend 90° ø 80 FOT-KX080-007 FOT-KS080-005 flue kit...
  • Page 27 A) DIRECT FLUEING WITH WALL TERMINAL C) HORIZONTAL/VERTICAL EXTENSION FLUEING WITH ROOF TERMINAL FOT-KX080-007 FOT-HX080-009 ** Horizontal flue kit ø80/125 L=750mm Coaxial roof terminal ø80/125 L=480 mm FOT-HX125-012 Lead tile B) HORINZONTAL EXTENSION FLUEING WITH WALL TERMINAL FOT-KX080-007 Horizontal flue kit ø80/125 L=750mm FOT-KX080-001 Coaxial prolongue...
  • Page 28 2.7.1 CONDENSATE GUIDELINES • drain. • • • • • • • • • IMPORTANT WARNING Pipe open to atmosphere Pipe open to Condensate atmosphere Pump Neutralizer 2.7.2 CONDENSATE DRAIN PIPE CONNENCTION To connect the condensate drain pipe: • • •...
  • Page 29 2.7.3 CONDENSATE PUMP SAFETY SWITCH WIRING IMPORTANT NOTE or greater) and Strip insulation off both ends Cut off crimp of wire connectors Safety switch wires connect to the NO and COM contacts on the the safety switch. Wire nut connecting two wires NO - Normally open Safety switch wires...

  • Page 30: General Informations

    2.8.1 GENERAL INFORMATIONS Location • DO NOT NOTE • DO NOT • MASTER water controller MUST NOT • DO NOT • DO NOT • MUST NOT • • AVOID • • MUST BE • ONLY Communication cable...
  • Page 31 DO NOT CAUTION panel; (Fig. 2); to the Fig. 3 Fig. 1 Fig. 2 remote control connector (Fig. 3); , and to use a common WARNING 2.8.2 STANDARD REMOTE CONTROLLER ( MC - 601 ) INSTALLATION Film Controller Cable Cover Plates Screws Connector...
  • Page 32 Are there four control panels connected (control panel + remote controllers)? QUESTION YES: Fig. 1 Fig. 2 Do you want hot water temperature limited to 50°C? QUESTION YES: Fig. 3 STEP 1 NOTE STEP 1...
  • Page 33 Connecting multiple water heaters NOTE 2.10.1 CONNECTION WITH CABLE CASCADE Cascade cable required • Primario Secondario 1 Secondario 2-23 • • Cavo di cascata NOTE Installation of cascade cables REU-CSA-C1 Cascade IN Cascade OUT Accessory port location Primary Secondary 1 Secondary 2 Cascade jumper...

  • Page 34: Parameter Setting

    2.10.2 PROGRAMMING CASCADE COMMUNICATION Parameter Setting Menu Secondary 03 Primary water Secondary 01 Secondary 02 heater Identify secondary ID by pressing “On/Off” CAUTION...

  • Page 35: Installation

    • • • diagram. • more information on sizing the pump refer to Rinnai. Installation procedure Fig. 1 Install the recirculation pump on the return line according to the pump manufacturer installation instructions. turn on to raise the recirculation loop.

  • Page 36: Sequence Of Operation

    2.11.2 SEQUENCE OF OPERATION The cycle will restart at the approximate time interval in the table based on the temperature thermistor readings. Economy Mode setting • • • Comfort Mode • • heat loss •...
  • Page 37 • • • • • • • • • • • IMPORTANT • • • • • • DO NOT CAUTION • • DOES NOT WARNING • • • • • • controllers. • • • Leave the manual to customer. •...
  • Page 40 Operation of the PCB interface procedure: ) on the PC 3. Press 4. Use the scroll through the parameters. (Fig.2) 5. Press the Fig. 1 the value of the selected parameter. (Fig. 3) second. Fig. 2 Fig. 3 3.1.1 PARAMETERS Menu 6 months Comfort...

  • Page 41: Service Indicator

    • • • • 3.1.2 SERVICE INDICATOR maintenance interval. To reset Service Soon (error 55) intervaò selected in the parameter settings. 5 times...
  • Page 42 IMPORTANT WARNING The gas conversion procedure is made of four steps: • • • air intake pipe replacement • check operation. 3.2.1 GAS ORIFICE REPLACEMENT front panel. Fig. 1 Grooved side of gasket must be facing outwards Inner Gasket Orifice Outer Gasket Cover...

  • Page 43: Final Operation

    3.2.3 AIR INTAKE PIPE REPLACEMENT WARNING replacement of the air intake pipe. Connector Disconnect connectors indicated in Fig. 1 and the connector to Flame Rod. Connector to Gas Control Unit and gas control. (Fig. 2) Flame Rod Connector to remove the air intake. Gas Pipe Replace the correct air intake (Fig.4): Fig.
  • Page 44 Item necessary • • Procedure Check the current settings and note them on a piece of paper. heater. Fig. 1 CAUTION 17. Reinstall front panel. OLD PCB NEW PCB on water heater Data transfer cable Fig. 2...
  • Page 45 Outgoing Temperature 100 hours Press and hold the 0=mid; While holding the 1=open; 2=closed Inlet Temperature Use the (Up) and Fan Current 11=close 111=open When complete, the set temperature appears in the Freeze Protection Temperature (Indoor Units Only) Freeze Protection Temperature (Outdoor Units Only)
  • Page 46 Bypass servo Full Close: N26 - Bypass servo Full Open: N32 - Bypass servo Full Open: Water pressure [kPa]...
  • Page 48 11 - 14 V (in operation) 2 - 14 V (in operation) 11 - 14 V 11 - 14 V Position Limiter ON: less than 1 V OFF: 4 - 6 V 11 - 14 V Close Position Limiter ON: less than 1 V OFF: 4 - 6 V Open Position Limiter ON: less than 1 V...
  • Page 49 Cleaning ignite or fade the paint. Vent System Motors Temperature Controller Use a soft damp cloth to clean the temperature controller. Do not use solvents. Snow Accumulation Visual Inspection of Flame VISUAL CHECK SATISFACTORY UNSATISFACTORY YELLOW FLAME BLUE FLAME ELECTRODE ELECTRODE side.

  • Page 50: Flushing The Heat Exchanger

    Check Valve Drain Valve Pressure Relief Valve Solenoid Valve (V3 and V4). valve (V2). Rinnai water heater the cleaning solution. for at least 1 hour at a rate of 15 liters per minute. • sink or outside to drain. •...

  • Page 51: Manual Draining Of The Water Heater

    3.8.3 MANUAL DRAINING OF THE WATER HEATER Water filter Condensate pipe Water inlet Water outlet Pressure relief valve To resume normal operation: Turn on the temperature controller. Running a low volume of water through the water heater to prevent freezing •...
  • Page 52 Model Installation Internal -0.10 -0.10 -0.10 -0.10 37-50, 50,55,60,65,75 Ignition Direct Electronic ignition | Output P 4.00 / 4.40 | 4.20 4.00 / 4.40 | 4.20 0.42 0.42 | Output P 4.00 / 4.40 | 4.20 4.00 / 4.40 | 4.20 0.33 0.33 | Output P...
  • Page 53 Model output variation Installation Internal -0.10 -0.10 -0.10 -0.10 37-50, 50,55,60,65,75 Ignition Direct Electronic ignition | Output P 4.00 / 4.40 | 4.20 4.00 / 4.40 | 4.20 0.42 0.42 | Output P 4.00 / 4.40 | 4.20 4.00 / 4.40 | 4.20 0.33 0.33 | Output P...
  • Page 54 Rinnai Italia srl REU-N2635FFC-E REU-N2635WC-E kWh/annum Temperature setting 40°C with water control connected. Rinnai Italia srl REU-N3237FFC-E REU-N3237WC-E kWh/annum Temperature setting 40°C with water control connected.
  • Page 56 Via Liguria, 37 41012 - Carpi, Modena Tel: 059 622 9248 e-mail: info@rinnai.it rinnai.it V.1 - 190827 This manual replaces any edition previously published.

This manual is also suitable for:

Infinity n26iInfinity n32eInfinity n26eReu-n3237ffc-eReu-n2635ffc-eReu-n3237wc-e ... Show all

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