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Rinnai REU-V2632FFUG Service Manual

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See also: Operation & Installation Manual
SERVICE MANUAL
o Suit Models:
T
G
REU-V2632FFU
M
C
REU-V
2632FFU
Does NOT Suit Other Models
DRDAFT

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Summary of Contents for Rinnai REU-V2632FFUG

  • Page 1 SERVICE MANUAL o Suit Models: REU-V2632FFU REU-V 2632FFU Does NOT Suit Other Models DRDAFT...
  • Page 2 All Rinnai products are certified by the Australian Gas Association as compliant to relevant Australian Standards. Rinnai Australia Head Office is certified as complying with ISO 9001 by SAI Global. Distributed and serviced in Australia under a Quality System certified as complying with ISO 9001 by...
  • Page 3 ø diameter  temperature rise above ambient modulating valve thermal efficiency thermistor temperature of incoming water temperature of outgoing water - iii - Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC Issue 1 - 16/12/09 ©Rinnai...
  • Page 4 © Copyright Rinnai Australia Pty Ltd ABN 74 005 138 769 All rights reserved Produced by Engineering & Technical Group No portion or part of this manual may be copied without prior permission from Rinnai Australia. Rinnai Australia reserves the right to make modifications and change specifications without notice.

  • Page 5: Table Of Contents

    18. Gas Conversion Procedure ..................27 19. Dismantling for Service ..................29 20. Parts List ........................ 37 21. Exploded Diagram ....................41 SERVICE CONTACT POINTS ................45 Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - v - Issue 1 - 16/12/09 ©Rinnai...

  • Page 6: Specifications

    MC-100V-1A or MC-91Q-2A Bathroom control BC-100V-1A or MC-91Q-2A Second bathroom control BC-100V-1A or MC-91Q-2A Third bathroom control MC-91Q-2A Water Controller Cable (Supplied with controller) Non-polarized two core cable. Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - 1 - Issue 1 - 16/12/09 ©Rinnai...
  • Page 7 • Temperature Cutout: If the delivered hot water temperature rises above the required delivery temperature for a number of seconds, the gas supply is stopped. Combustion Specifications See dataplate on appliance. Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - 2 - Issue 1 - 16/12/09 ©Rinnai...

  • Page 8: Water Flow Rates And Pressures

    Water Flow vs Pressure Graphs  ))8 Inlet pressure (kPa) REU-V2632WC & FFU P(kPa) Q(L/min)@Tset37 11.3 14.8 16.9 20.8 22.8 24.2 29.8 Q(L/min)@Tset60 10.4 16.5 19.4 22.5 23.5 23.8 Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - 3 - Issue 1 - 16/12/09 ©Rinnai...

  • Page 9: Dimensions

    Hot: Length (from base) Gas: Fitting Diameter Cold: Fitting Diameter Hot: Fitting Diameter * Please note that this measurement is to the left of the centre line. Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - 4 - Issue 1 - 16/12/09 ©Rinnai...

  • Page 10: Water Controllers

    Wireless Installations Up to TWO BC-100V water controllers can be installed. The FOURTH water controllers in any installation MUST BE a MC-502RC / MC-503RC or a MC91Q. Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - 5 - Issue 1 - 16/12/09 ©Rinnai...
  • Page 11 STEP 1 for the controller moved from the kitchen to the bathroom. Then perform STEP 1 for the controller moved from bathroom to the kitchen. Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - 6 - Issue 1 - 16/12/09 ©Rinnai...

  • Page 12: Smartstart

    A schematic of the Smartstart® system installed in conjunction with a Rinnai continuous flow water heater and water controller as shown below.

  • Page 13: Operational Flow Chart

    6. Operational Flow Chart Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - 8 - Issue 1 - 16/12/09 ©Rinnai...
  • Page 14 Operational Flow Chart - Continued Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - 9 - Issue 1 - 16/12/09 ©Rinnai...

  • Page 15: Cutaway Diagram

    7. Cutaway Diagram Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - 10 - Issue 1 - 16/12/09 ©Rinnai...

  • Page 16: Operation Principles

    PCB then causes the main solenoid and solenoid valves to close an d the burner is extinguished. The combustion fan will continue to operate for some time to purge the combustion chamber. Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - 11 -...

  • Page 17: Main Components

    • A c ombustion chamber . Integra ted into the c ombustion chamber front panel are the flame rod a ignition electrode(s). Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - 12 - Issue 1 - 16/12/09 ©Rinnai...

  • Page 18: Time Charts

    10. Time Charts Normal Combustion (shows adjustable By-Pass) Mis-Ignition / Flame Failure Abnormal Pre-Purge (Air Supply/Exhaust Blockage) Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - 13 - Issue 1 - 16/12/09 ©Rinnai...

  • Page 19: Wiring Diagram

    11. Wiring Diagram Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - 14 - Issue 1 - 16/12/09 ©Rinnai...

  • Page 20: Component Circuit Value Table

    IGNITER Gy-Gy AC207~264V DC11~13V MAIN SOLENOID VALVE P-Bk 37~43 DC11~13V SOLENOID VALVE 1 Y-Bk 37~43 DC11~13V SOLENOID VALVE 2 B-Bk 37~43 DC11~13V SOLENOID VALVE 3 Br-Bk 35~41 Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - 15 - Issue 1 - 16/12/09 ©Rinnai...

  • Page 21: Dip Switch Settings

    13. Dip Switch Settings Contact Rinnai for Dipswitch settings. Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - 16 - Issue 1 - 16/12/09 ©Rinnai...

  • Page 22: Fault Finding

    Provides accumulated number of startups, how to check all combustion time, history components. of operational faults and (page 19) readout of electrical values whilst unit operational. (page 24) Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - 17 - Issue 1 - 16/12/09 ©Rinnai...
  • Page 23 2. Check heat exchanger outlet thermistor. 3. Check gas valves 4. Check water flow servo. Anti-frost heater does not operate. 1. Check anti-frost heater components 2. Check frost sensing switch Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - 18 - Issue 1 - 16/12/09 ©Rinnai...

  • Page 24: Component And Circuit Checks

    If normal, proceed to Faulty: Replace PCB. Measure resistant between Pink-Black of Main Solenoid connectors.  Normal: 37~43 If normal, proceed to Solenoid Valve SV Faulty: Replace Main Solenoid. Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - 19 - Issue 1 - 16/12/09 ©Rinnai...
  • Page 25 Check the gas secondary pressure change when set temperature on the water control changes from 37°C to 55°C. Normal: If secondary pressure changes, go to Water Flow Servo Circuit. Faulty: Replace Modulating Valve. Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - 20 - Issue 1 - 16/12/09 ©Rinnai...
  • Page 26 If normal, proceed to 2. Faulty: Replace water flow sensor. Note: For water controller readout of water flow whilst operational refer maintenance monitor. (Chapter 15) No. 1. Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - 21 - Issue 1 - 16/12/09 ©Rinnai...
  • Page 27 If normal proceed to b.). (11~13 Faulty: Check if voltage on the fuse terminal is AC207~264V b.) Measure voltage between White-White on the (F Normal: AC207~264V. Faulty: replace surge protector unit. Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - 22 - Issue 1 - 16/12/09 ©Rinnai...
  • Page 28 14). Water Controller Connections a.) Power to water controllers Connections on the easy connect 12 V DC Faulty: If appliance works but no output voltage to water controllers replace PCB. Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - 23 - Issue 1 - 16/12/09 ©Rinnai...

  • Page 29: Maintenance Monitor / Error History

    2.) The maintenance number will be shown in the Water Temperature display. Data will be shown in the Clock display. To select the required maintenance number, press the Water Temperature "UP" and "DOWN" buttons. Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - 24 - Issue 1 - 16/12/09 ©Rinnai...
  • Page 30 250 = Half open 500 = Open To return to normal operation • Press the ON/OFF button again while holding down the Water Temperature "DOWN" (Cooler button) Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - 25 - Issue 1 - 16/12/09 ©Rinnai...
  • Page 31 To return to normal operation Press the ON/OFF button again while holding the Water Temperature “UP” (Hotter) button. • This feature will automatically shut down after 3 minutes. • Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - 26 - Issue 1 - 16/12/09 ©Rinnai...

  • Page 32: Gas Pressure Setting Procedure

    17. Gas Pressure Setting Procedure Refer seperate Rinnai document behind front cover of appliance. 18. Gas Conversion Procedure Refer seperate document availabe from Rinnai. Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - 27 - Issue 1 - 16/12/09 ©Rinnai...
  • Page 33 Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - 28 - Issue 1 - 16/12/09 ©Rinnai...

  • Page 34: Dismantling For Service

    17. Removal of Thermal Fuse ..........36 Unless otherwise stated, re-assembly is the reverse of dismantling. Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - 29 -...

  • Page 35: Removal Of The Front Panel

    O-rings are not lost or damaged. Removal of the PCB Unit a. Remove the front panel. (Refer Item 1.) b. Remove two (2) PCB unit fixing screws and pull out forward. Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - 30 - Issue 1 - 16/12/09 ©Rinnai...

  • Page 36: Removal Of Sparker

    Removal of the manifold and burner unit a. Remove high tension cord and flame rod. b. Remove 2 pin connection of the solenoid valve c. Remove manifold. c. Pull off burner unit Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - 31 - Issue 1 - 16/12/09 ©Rinnai...

  • Page 37: Removal Of The Gas Control

    Remove flame rod terminal and tighten span cord. b. Remove flame rod and spark plug. d. Pull off connectors for gas control modulation valve and solenoid valve. c. Remove of High Tension lead Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - 32 - Issue 1 - 16/12/09 ©Rinnai...

  • Page 38: Removal Of Outgoing Water Thermistor

    Remove 2 pin connector of inlet thermistor c. Remove inlet thermistor (care with O-ring) d. Thermistor g. Remove bypass servo and water flow servo h. Remove fitting screws of bypass servo Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - 33 - Issue 1 - 16/12/09 ©Rinnai...

  • Page 39: Removal Of Anti Frost Switch

    Remove 4 pin connector b. Remove 2 pin connector of solenoid valve. c. Remove joint bracket d. Remove connection joint from the fan motor e. Remove fan motor screw Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - 34 - Issue 1 - 16/12/09 ©Rinnai...

  • Page 40: Removal Of Heat Exchanger

    Remove back pressure tube i. Remove air intake. Remove fan motor Remove fixing screw k. Remove fixing screws of the heat exchanger unit Remove heat exchanger screws Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - 35 - Issue 1 - 16/12/09 ©Rinnai...

  • Page 41: Removal Of Thermal Fuse

    Heat Exchanger Rear o. Remove manifold and burner unit. p. Remove thermal fuse, over heat switch, sparker, hex thermistor and back pressure joint. Heat Exchanger Left Heat Exchanger Right Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - 36 - Issue 1 - 16/12/09 ©Rinnai...

  • Page 42: Parts List

    20. Parts List NOTE: Some Part details may have changed since publication of this manual. Contact Rinnai to confirm spare parts details before ordering Effective: 01/11/2006 REU-VM REU-V2632FFUG-A / REU-VM2632FFUC(65)-A REU-V2632FFUG 2632FFUC(65) Quantity Part Name RA Part No 11 Digit Code...
  • Page 43 92083773 196-062-000 408 Outlet Water 3/4 92093806 333-386-000 409 Stop Bracket 538-515-000 410 Plug Band 553-043-000 411 Valve Pressure Relief 92081751 337-048-000 700 PCB Main 92092140 210-813-000 Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - 38 - Issue 1 - 16/12/09 ©Rinnai...
  • Page 44 729 Harness Remote Controller 92099961 290-1288000 800 Hexagon FT Bolt 501-577-000 801 Truss Screw 501-399-010 801 Screw 501-409-000 802 Resin Washer 503-022-010 803 Screw 501-0064000 804 Thermistor Stop Screw 501-295-000 Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - 39 - Issue 1 - 16/12/09 ©Rinnai...
  • Page 45 815 O-ring Heat Exchanger 92062207 520-193-010 816 O-ring 92062348 520-281-010 817 O-ring Gas Con 92072859 520-043-010 818 O-ring Gas Control 92096502 580-180-000 888 Operation Manual 623-344-700 889 Establishment Manual K23-372-300 Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - 40 - Issue 1 - 16/12/09 ©Rinnai...

  • Page 46: Exploded Diagram

    21. Exploded Diagram NOTE: Some Part details may have changed since publication of this manual. Contact Rinnai to confirm spare parts details before ordering. Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - 41 - Issue 1 - 16/12/09 ©Rinnai...
  • Page 47 Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - 42 - Issue 1 - 16/12/09 ©Rinnai...
  • Page 48 Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - 43 - Issue 1 - 16/12/09 ©Rinnai...
  • Page 49 Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - 44 - Issue 1 - 16/12/09 ©Rinnai...

  • Page 50: Service Contact Points

    Hot Water Service Line Tel: 1800 000 340 Rinnai has a Service and Spare Parts network with personnel who are fully trained and equipped to give the best service on your Rinnai appliance. If your appliance requires service, please call our Hot Water Service Line. Rinnai recommends that this appliance be serviced every 3 years.

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