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Rinnai REU-V2632FFUG, Service Manual

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Rinnai REU-V2632FFUG Service Manual Download Page 40

Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC

- 35 -

Issue 1 - 16/12/09 ©Rinnai

f. Remove fan motor

16)

Removal of 

Heat Exchanger

a. Remove PCB

b. Remove fan motor

c. Remove 2 pin connector of thermal fuse

d. Remove flame rod terminal of high tension cord

e. Remove anti frost heater switch

f. Remove 2 pin connector

g. Remove 3 pin connector

h. Remove back pressure tube

i. Remove air intake.

j. Remove fixing screw

k. Remove fixing screws of the heat exchanger unit

l. Remove heat exchanger screws

Summary of Contents for REU-V2632FFUG

Page 1: ...DRDAFT SERVICE MANUAL To Suit Models Does NOT Suit Other Models REU V2632FFUG REU VM2632FFUC...

Page 2: ...AI Global Rinnai New Zealand has been certified to ISO 9001 Quality Assurance by Telarc All Rinnai products are Certified to WaterMark by SAI Global WaterMark certification is awarded to products and...

Page 3: ...rcuit kcal h kilocalorie per hour kPa kilopascals LED light emitting diode L min Litres per minute mA milliamps MJ h megajoule per hour mm millimetres mmH2O millimetres of water gauge pressure OHS ove...

Page 4: ...change specifications without notice Failure to comply with these instructions may result in serious personal injury or damage to the appliance This manual has been published by Rinnai Australia Engi...

Page 5: ...Flow Chart 8 7 Cutaway Diagram 10 8 Operation Principles 11 9 Main Components 12 10 Time Charts 13 11 Wiring Diagram 14 12 Component Circuit Value Table 15 13 Dip Switch Settings 16 14 Fault Finding...

Page 6: ...ratures 40 C 42 C 50 C 55 C 65 C 75 C 85 C set by combination of dip switches on PCB Water flow control Water flow sensor electronic water flow control device and electronic By Pass flow control devic...

Page 7: ...at exchanger electrical power supply is stopped if the temperature exceeds 129 C Water Pressure Relief Valve Safeguards the water circuit against excessive inlet pressure Opens at 2060 kPa closes at 1...

Page 8: ...pressure characteristics as shown below Water Flow vs Pressure Graphs Inlet pressure kPa Outlet flow litres minute 8 REU V2632WC FFU P kPa 0 20 30 40 50 60 70 80 100 120 140 150 200 300 Q L min Tset3...

Page 9: ...rom centre I Gas Connection from wall J Gas Connection from centre Gas Length from base Cold Length from base Hot Length from base Gas Fitting Diameter Cold Fitting Diameter Hot Fitting Diameter K L B...

Page 10: ...installed with the correct polarity within the wireless controller Battery polarity details on rear of wireless controller Ensure distance between wireless controller and transceiver does not exceed...

Page 11: ...y ignore Question 2 Fig 5 Fig 6 Is the water heater marked to state it delivers water not exceeding 50 C IF YES No further action required IF NO You will need to program the kitchen controller to enab...

Page 12: ...ic installations Principle of operation The Smartstart system heats the water in the pipework water connected between the water heater and the hot water outlets before any outlets are opened using the...

Page 13: ...Infinity REU V2632FFUG HD200i REU VM2632FFUC 8 Issue 1 16 12 09 Rinnai 6 Operational Flow Chart...

Page 14: ...Infinity REU V2632FFUG HD200i REU VM2632FFUC 9 Issue 1 16 12 09 Rinnai Operational Flow Chart Continued...

Page 15: ...Infinity REU V2632FFUG HD200i REU VM2632FFUC 10 Issue 1 16 12 09 Rinnai 7 Cutaway Diagram...

Page 16: ...automatically control operation of the internal components to achieve the programmed temperature When a high temperature rise is required the PCB may cause the Water Flow Servo to close partially res...

Page 17: ...l is achieved through the use of servo driven water flow and bypass valves Both servo motors are controlled by the PCB The Water Flow Valve restricts the flow of water into the heat exchanger ass embl...

Page 18: ...finity REU V2632FFUG HD200i REU VM2632FFUC 13 Issue 1 16 12 09 Rinnai 10 Time Charts Normal Combustion shows adjustable By Pass Mis Ignition Flame Failure Abnormal Pre Purge Air Supply Exhaust Blockag...

Page 19: ...l Gas pressure Gas type Y Br O R W G 4 W W W P W W OUTGOING WATER THERMISTOR HEAT EXCHANGER WATER THERMISTOR Y R Br W 4 1 H O BY PASS FLOW CONTROL DEVICE WATER FLOW CONTROL DEVICE COMBUSTION FAN THERM...

Page 20: ...E E2 P P DC2 15V 67 81 OUTGOING THERMISTOR G5 W W AIR THERMISTOR G6 W O THERMAL FUSE G1 E3 R R BELOW 1 IGNITER C1 Gy Gy AC207 264V MAIN SOLENOID VALVE F1 P Bk DC11 13V 37 43 SOLENOID VALVE 1 F2 Y Bk D...

Page 21: ...Infinity REU V2632FFUG HD200i REU VM2632FFUC 16 Issue 1 16 12 09 Rinnai 13 Dip Switch Settings Contact Rinnai for Dipswitch settings...

Page 22: ...o diagnose and rectify faults the Fault Finding Table is used as illustrated below Fault Finding Table Describes possible faults and error codes page 18 Operational Flow Chart page 8 Component Circuit...

Page 23: ...e ignition Check modulating solenoid valve 61 Combustion fan rotation error Check combustion fan 65 Water flow control device error Water flow is not controlled Water temperature too low Check water f...

Page 24: ...of connector B1 Normal DC6 45V 33 400Hz If normal proceed to Sparker Circuit 2 Faulty Replace Combustion Fan 2 Sparker Circuit a Measure voltages between Grey Grey of connector C1 Normal AC207 264V If...

Page 25: ...rmal proceed to Solenoid Valve 3 F4 Circuit Faulty Replace Solenoid 2 3d Solenoid Valve 3 SV3 F4 Check Solenoid Valve 3 if error indicator 11 is displayed a Disconnect Solenoid 3 connector F4 and meas...

Page 26: ...od is securely fitted Normal replace the PCB Faulty Adjust the fitting of the Flame Rod 5 Electrical Fuse a Measure voltage between Blue Brown on the connector D1 Normal AC 207 264V If normal proceed...

Page 27: ...lay connector G5 or G4 and measure voltage White White When disconnected voltage 1M When short circuit voltage 1 Normal Check Heat exchanger outlet thermistor Faulty Replace hot water outlet thermisto...

Page 28: ...e PCB 12 Anti frost Heater Circuit a Disconnect relay connectors D4 and D5 and measure voltage between Yellow Yellow on heater side water flow servo and HW connection Normal 53 If normal proceed to b...

Page 29: ...able where the appliances are co nnected with a deluxe controller Thi s will enabl e service personnel to locatethe maintenance history andfaulty components with the appliance in operation NB When the...

Page 30: ...ot water operation frequency Example 6 600 Operations 100 0 999 05 Hot water fan frequency Hz pulses sec 0 999 Note 1 06 water control connection none 0 or 1 Note 2 Bathroom water Additional controlle...

Page 31: ...Display Error Memory History This feature will show the last 10 faults in sequence 1 Turn off at the ON OFF button This can be done during operation 2 Press the ON OFF button while holding the Water T...

Page 32: ...G HD200i REU VM2632FFUC 27 Issue 1 16 12 09 Rinnai 17 Gas Pressure Setting Procedure Refer seperate Rinnai document behind front cover of appliance 18 Gas Conversion Procedure Refer seperate document...

Page 33: ...Infinity REU V2632FFUG HD200i REU VM2632FFUC 28 Issue 1 16 12 09 Rinnai...

Page 34: ...PCB Unit 30 3 Removal of the Water Flow Sensor Servo and Bypass Servo 30 4 Removal of the Bypass Servo 30 5 Removal of Sparker 31 6 Removal of the manifold and burner unit 31 7 Removal of the Gas Con...

Page 35: ...nit a Remove the front panel Refer Item 1 b Remove two 2 PCB unit fixing screws and pull out forward 3 Removal of the Water Flow Sensor Servo and Bypass Servo a Remove the front panel Refer Item 1 b R...

Page 36: ...ker b Remove 3 pin connector c Remove high tension cord 6 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 mani...

Page 37: ...move manifold refer to 7 b Remove back tube c Remove gas connection d Pull off connectors for gas control modulation valve and solenoid valve Gas Control 8 Removal of Flame rod and spark plug a Remove...

Page 38: ...emove 2 pin connector 11 Removal of air intake thermistor a Remove fan motor b Remove 2 pin connector of inlet thermistor c Remove inlet thermistor care with O ring d Thermistor 12 Removal of Bypass S...

Page 39: ...h b Remove Anti Frost switch c Anti Frost switch 14 Removal of Anti Frost heater a Remove 2 pin connection of Anti Frost heater b Remove bracket of hot water connection c Remove Anti Frost heater 15 R...

Page 40: ...ove fan motor c Remove 2 pin connector of thermal fuse d Remove flame rod terminal of high tension cord e Remove anti frost heater switch f Remove 2 pin connector g Remove 3 pin connector h Remove bac...

Page 41: ...ove manifold and burner unit p Remove thermal fuse over heat switch sparker hex thermistor and back pressure joint 17 Removal of Thermal Fuse a Remove heat exchanger b Remove Thermal Fuse After remova...

Page 42: ...0 893 000 2 2 011 Harness Easy Connect 92099986 106 641 000 1 1 012 Clip Support 92095896 538 840 000 1 1 100 Gas Control Assembly 92086736 120 0016000 1 1 101 Screw Test Point 92099956 501 275 005 3...

Page 43: ...Assembly 527 266 000 1 1 136 Joint Bracket 538 513 000 1 1 137 Connecting joint 197 960 000 1 1 138 Joint Fixing Bracket 538 590 000 1 1 139 Exhaust Flue 92095983 055 758 000 1 1 140 Joint Exhaust Tu...

Page 44: ...170 234 540 000 1 1 713 Heater Anti Frost 92093294 235 368 000 1 1 714 Heater Water Flow 92092262 235 369 000 1 1 716 Bracket Heater 92093301 538 493 000 1 1 717 Heater Fixing Plate A 537 155 000 1 1...

Page 45: ...rmistor 92062249 520 209 010 2 2 811 O ring 520 046 010 1 1 812 O ring Test Point 90195165 520 300 010 3 3 813 O ring In Out Water 92071182 520 049 010 2 2 814 O ring 92062199 520 048 010 2 2 815 O ri...

Page 46: ...V2632FFUG HD200i REU VM2632FFUC 41 Issue 1 16 12 09 Rinnai 21 Exploded Diagram NOTE Some Part details may have changed since publication of this manual Contact Rinnai to confirm spare parts details be...

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: ...of a local call Higher from mobile or public phones Hot Water Service Line Tel 1800 000 340 Australia Pty Ltd ABN 74 005 138 769 Internet www rinnai com au E mail enquiry rinnai com au 123 45678 90123...

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