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Rinnai HD200E REU-V2632WC, Service Manual, Page: 50 / 68

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Rinnai HD200E REU-V2632WC Service Manual Download Page 50

Infinity REU-V2626W / HD200E REU-V2632WC

- 45 -

  Issue 1 - 

10/10/03

 

©Rinnai

Manifold Assembly

a. Remove combustion chamber front panel.
b. Remove burner unit.

c. Pull off burner unit

8)

Removal of the 

Gas Control

a. Remove manifold (refer to 5)
b. Remove back tube
c. Remove gas connection.

d. Pull off connectors for gas control modulation valve 

and solenoid valve.

Summary of Contents for HD200E REU-V2632WC

Page 1: ...INFINITY REU V2626W HD200E REU V2632WC Rinnai High Capacity Continuous Flow Gas Hot Water System SERVICE MANUAL...

Page 2: ...r of The Australian Gas Association All of our products are AGA tested and approved Distributed and serviced in Australia under a Quality System certified as complying with ISO 9002 by Quality Assuran...

Page 3: ...nce This manual has been published by Rinnai Australia Technical Services While many individuals have contributed to this publication it will be successful only if you the reader and customer find it...

Page 4: ...nal Flow Chart 14 8 Operation Principles 15 9 Main Components 17 10 Time Charts 18 11 Wiring Diagram 20 12 Dip Switch Settings 22 13 Fault Finding 24 14 Component Circuit Value Table 26 15 Component a...

Page 5: ...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 overheat...

Page 6: ...T saving both floor and wall space The temperature of outgoing hot water is CONSTANTLY MONITORED by a BUILT IN SENSOR If the temperature of the outgoing hot water rises to more than 3 C above the sele...

Page 7: ...mote Control Anti frost 100 W Noise Level 49 dB A Weight Kg 21 Connections Gas 20A R3 4 Cold Water Supply 20A R3 4 Hot Water Supply 20A R3 4 Ignition system Direct Electronic Ignition Max Min Gas Cons...

Page 8: ...xceeds 129 C Water Pressure Relief Valve Safeguards the water circuit against excessive inlet pressure Opens at 2060 kPa closes at 1470 kPa Electrical Fuse 3A glass fuse prevents against over current...

Page 9: ...by mixing hot water from the outlet of the water heater with cold water from the mains supply Water Flows can also be calculated by the following formula Q Heat energy available in kW 46kW for the RE...

Page 10: ...ns MJ h L sec L min L hr Min Water Pressure kPa Approx Gas Cons MJ h Rinnai HD200E REU V2632WC 16 199 0 53 32 1920 140 47 0 53 32 1920 140 94 0 53 32 1920 140 141 0 53 32 1920 140 188 Temp Rise C Appr...

Page 11: ...r Min Water Pressure kPa Approx Gas Cons MJ h L sec L min L hr Min Water Pressure kPa Approx Gas Cons MJ h Rinnai HD200E REU V2632WC 16 199 0 25 15 900 45 199 0 22 13 2 792 40 199 0 2 12 720 36 199 0...

Page 12: ...s seen in the table below a minimum supply pressure of 180 kPa is required to operate at the rated flow of 26 L min In an actual installation pressure losses in the plumbing system also need to be con...

Page 13: ...Infinity REU V2626W HD200E REU V2632WC 8 Issue 1 10 10 03 Rinnai 4 Dimensions...

Page 14: ...ers have Kitchen MC 70 2A and Bathroom BC 70 2A versions Kitchen controls are intended for the Kitchen or other convenient area where the majority of hot water is used Bathroom Controllers are intende...

Page 15: ...t install it in accordance with Diagram 1 below Water Heater and Controller installation configurations THIS APPLIANCE DELIVERS WATER NOT EXCEEDING 50 C IN ACCORDANCE WITH AS 3498 If the front cover o...

Page 16: ...ailer 9 Thread the 3 cables through the cable access hole at the base of the appliance Connect the 4 spade connectors to the terminals marked Remote Control on the printed circuit board fig 2 Polarity...

Page 17: ...d THIS APPLIANCE DELIVERS WATER NOT EXCEEDING 50 C IN ACCORDANCE WITH AS 3498 On the front cover IF YES No further action required IF NO You will need to program the Kitchen controller to enable selec...

Page 18: ...Infinity REU V2626W HD200E REU V2632WC 13 Issue 1 10 10 03 Rinnai 6 Cutaway Diagram...

Page 19: ...Infinity REU V2626W HD200E REU V2632WC 14 Issue 1 10 10 03 Rinnai 7 Operational Flow Chart...

Page 20: ...Infinity REU V2626W HD200E REU V2632WC 15 Issue 1 10 10 03 Rinnai 8 Operation Principles REU V2626W REU V2632WC...

Page 21: ...ontrol 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 resulting in a lowe...

Page 22: ...control 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 a...

Page 23: ...Infinity REU V2626W HD200E REU V2632WC 18 Issue 1 10 10 03 Rinnai 10 Time Charts Normal Combustion V2626W Mis Ignition Flame Failure V2626W Abnormal Pre Purge Air Supply Exhaust Blockage V2626W...

Page 24: ...Infinity REU V2626W HD200E REU V2632WC 19 Issue 1 10 10 03 Rinnai Normal Combustion V2632WC Mis Ignition Flame Failure V2632WC Abnormal Pre Purge Air Supply Exhaust Blockage V2632WC...

Page 25: ...Infinity REU V2626W HD200E REU V2632WC 20 Issue 1 10 10 03 Rinnai 11 Wiring Diagram REU V2626W...

Page 26: ...Infinity REU V2626W HD200E REU V2632WC 21 Issue 1 10 10 03 Rinnai REU V2632WC...

Page 27: ...on SW2 1 1 2 2 3 3 4 4 5 6 7 8 off on SW1 1 2 3 4 5 6 7 8 off on SW1 1 2 3 4 5 6 7 8 Dip Switch Settings REU V2632W REU V2632WC REU V2626W Dip Switches explained Gas Type LPG Not In Use Temperatures...

Page 28: ...on SW1 off on SW1 2 2 2 2 off on off on 3 3 3 3 4 4 4 4 5 5 5 5 6 6 6 6 60 65 75 85 C Legend Black section indicates position of switch REU V2632W REU V2632WC REU V2626W Temperature Settings With or w...

Page 29: ...ble is used as illustrated below Fault Finding Table Describes possible faults and error codes page 25 Operational Flow Chart page 14 Component Circuit Value Table Summarises running and standby elect...

Page 30: ...n C Check modulating solenoid valve 61 Combustion fan rotation error F Check combustion fan 65 Water flow control device error Water flow is not controlled Water temperature too low B Check water flow...

Page 31: ...3 Igniter F6 Gy Gy AC90 110V Main Solenoid Valve E1 P Bk DC80 100V 1 7 2 1k Solenoid Valve 1 E2 Y Bk DC80 100V 1 7 2 1k Solenoid Valve 2 E3 B Bk DC80 100V 1 7 2 1k Solenoid Valve 3 E4 Br Bk DC80 100V...

Page 32: ...e Fan Rotation Sensor a Measure voltages between Black and Yellow of connector A1 Normal DC11 13V If normal proceed to b Faulty Replace PCB b Measure voltages between Black and White of connector A1 N...

Page 33: ...eck Solenoid 1 if error indicator 11 is displayed a Disconnect Solenoid 1 connector E2 and measure resistance between Yellow and Black Normal 1 7 2 1k If normal proceed to b Faulty Replace Solenoid 1...

Page 34: ...when set temperature on the remote control changes from 37 to 55 C Normal If secondary pressure changes go to Water Flow Servo Circuit Faulty Replace Modulating Valve 4 Flame Rod Circuit Check flame r...

Page 35: ...e if after confirming there is no damage to the appliance 6 Overheat Switch Circuit Measure resistance between Overheat Switch terminals Normal 1 If normal replace PCB Faulty Replace Overheat Switch N...

Page 36: ...lowing water flow servo fully open Normal DC4 6V Faulty Replace Water Flow Servo and Water Flow Sensor d Measure voltage between Yellow and Grey with relay connector B2 connected with no water flowing...

Page 37: ...lug the power plug b Check whether or not the fuse 3A x 2 has blown by measuring the resistance Normal 1 If normal go to step Electrical Fuse 13 Faulty Replace fuse s 3Ax2 Check for a short next time...

Page 38: ...connector G1 and measure resistance If normal proceed to b Faulty Replace PCB b Measure working voltage while relay connector G1 is connected Faulty Replace Bypass Servo 15 Remote Control Check the vo...

Page 39: ...maintenance monitor Press the ON OFF button a second time to set the controller in the ON mode This feature can now be used with the appliance in operation 2 The maintenance number will be shown in th...

Page 40: ...er fan current flow value Example 6 x 10 60 mA 10 mA 0 999 10 Bath fill amount this counts the litres during bath fill operation Litres 0 999 11 Heat exchanger exit thermistor temperature Example 55 5...

Page 41: ...the gas supply 7 Turn ON 240V power supply 8 If remote controllers are fitted turn the unit ON at the kitchen controller select the maximum delivery temperature of 55 C and open a hot water tap fully...

Page 42: ...Turn OFF the gas supply and 240V power supply 18 Remove pressure gauge and replace sealing screw 19 Turn ON the gas supply and 240V power supply 20 Operate unit and check for gas leaks at test point 2...

Page 43: ...acement of Manifold Remove Flame Rod Connection terminal Pull off high tension lead Remove Manifold assembly Screws 9 Manifold Gas Control 3 Manifold Burner 6 Clean combustion deposits on the burner i...

Page 44: ...Infinity REU V2626W HD200E REU V2632WC 39 Issue 1 10 10 03 Rinnai Change Gas Type Switch on PCB...

Page 45: ...sealing screw from gas control Connect digital manometer with test point Turn ON 240V power supply Turn ON remote controller switch Turn ON main gas valve fully Change Dipswitch No 7 for low combustio...

Page 46: ...sure with adjustment volume on PCB Return Dipswitch No 7 8 to OFF position Turn OFF outgoing water tap Disconnect 240V power supply Fit pressure test point sealing screw Check leakage from gas control...

Page 47: ...44 5 Removal of Transformer 44 6 Removal of Sparker 58 7 Removal of the manifold and burner unit 58 8 Removal of the Gas Control 58 9 Removal of Flame rod and spark plug 59 10 Removal of outgoing wate...

Page 48: ...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 Remo...

Page 49: ...to 2 b Remove 100 V harness and 2 pin connection c Removal Transformer 6 Removal of Sparker a Remove sparker b Remove 3 pin connector c Remove high tension cord 7 Removal of the manifold and burner un...

Page 50: ...old Assembly a Remove combustion chamber front panel b Remove burner unit c Pull off burner unit 8 Removal of the Gas Control a Remove manifold refer to 5 b Remove back tube c Remove gas connection d...

Page 51: ...gh Tension lead 10 Removal of outgoing water thermistor a Remove thermistor fixing screw b Remove 2 pin connection outgoing water thermistor Heat Exchanger Thermistor 11 Removal of heat exchanger ther...

Page 52: ...or d Remove 6 pin connector and 5 pin connector e Remove bracket for water connection tube f Removal of inlet water connection g Remove bypass servo and water flow servo h Remove fitting screws of byp...

Page 53: ...in connection of Anti Frost heater b Remove bracket of hot water connection c Remove Anti Frost heater 16 Removal of the Fan Motor a Remove 4 pin connector b Remove 2 pin connector of solenoid valve c...

Page 54: ...ord 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 exchang...

Page 55: ...Issue 1 10 10 03 Rinnai 18 Removal of Thermal Fuse a Remove heat exchanger b Remove Thermal Fuse After removal of thermal fuse fitting procedure is as follows Heat Exchanger Front Heat Exchanger Left...

Page 56: ...Infinity REU V2626W HD200E REU V2632WC 51 Issue 1 10 10 03 Rinnai 20 Exploded Diagram...

Page 57: ...Infinity REU V2626W HD200E REU V2632WC 52 Issue 1 10 10 03 Rinnai...

Page 58: ...Infinity REU V2626W HD200E REU V2632WC 53 Issue 1 10 10 03 Rinnai...

Page 59: ...Infinity REU V2626W HD200E REU V2632WC 54 Issue 1 10 10 03 Rinnai...

Page 60: ...Infinity REU V2626W HD200E REU V2632WC 55 Issue 1 5 12 03 Rinnai 21 Parts List REU V2626W on page 56 REU V2632WC on page 59...

Page 61: ...8 6 HDW QVXO 8 5200 7 6 1 URQW 3DQHO 8 6 1 RG 6LGH 8 6 57 DEOH 8 1 6 7 DEOH 6HDO 8 6 7 8 62 12 9 9 VV 6 6 5 7 3 6HDO 211 7 21 DV 8 851 5 8QLW VV 851 5 6 U 3DQHO 851 5 6 WP 3ODWH 6 7 QU DVH U 851 5 RZ...

Page 62: ...HUP 7 1 5 VV 8 211 7 21 DWHU 6 592 DWHU ORZ 0 6 592 DWHU ORZ 0 5 7 5 0 5 7 675 3 3OXJ 7 5 QOHW DWHU 7 5 3OXJ 211 7 21 DWHU 8 5 7 ROGHU 8 675 3 RW DWHU 2XWOHW 8 9 9 VV UDLQ 8 3 VV 8 68 2 5 VV 8 75 16 2...

Page 63: ...5 8 51 66 7KHUP XVH 8 51 66 9 8 51 66 6ROHQRLG 9DOYH 8 86 7KHUPDO VV 8 05 6 1625 VV 0 3 VV 8 68 2 5 VV 8 6 7 RZ 7HPS 6HQVRU 7 5 URVW VV 8 51 66 6HQVRU 6 8 6 5 8 6 5 3 6 5 7KHUPLVWRU 8 6 5 6PDOO 3DQ 8...

Page 64: ...RQW 3DQHO 8 1 6 1 RG 6LGH 8 2 6 57 DEOH 8 1 1 6 7 DEOH 6HDO 8 1 3 1 8 1 62 12 9 9 VV 6 1 6 5 7 3 6HDO 3 211 7 21 DV 8 1 851 5 8QLW VV 1 851 5 6 U 3DQHO 1 851 5 6 WP 3ODWH 1 6 7 QU DVH U 1 851 5 RZ 12...

Page 65: ...6WRS 2 3 8 DQG 1 7 5 QOHW DWHU 1 7 5 3OXJ 1 211 7 21 2XWOHW DWHU 8 1 5 7 6WRS 8 1 9 9 VV UDLQ 8 1 9 9 3UHVVXUH 5HOLHI 8 1 3 RYHU 6LGH 8 1 3 RYHU URQW 8 1 75 16 250 5 VV 7 1 5 7 3 8 1 63 5 5 1 LJK 7HQ...

Page 66: ...5 QTY 3 VV 8 1 68 2 5 VV 8 1 6 7 RZ 7HPS 6HQVRU 1 7 5 URVW VV 8 1 51 66 6HQVRU 6 8 1 6 5 8 3 6 5 3 3 6 5 7KHUPLVWRU 8 1 6FUHZ 6PDOO 3DQ 8 3 6 5 8 2 6 5 8 2 6 5 8 4 6 5 8 3 2 5 1 7 1 2 5 1 0 2 2 5 1 0...

Page 67: ...Infinity REU V2626W HD200E REU V2632WC Issue 1 10 10 03 Rinnai Notes...

Page 68: ......

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