Related Manuals for Rinnai INFINITY HD56kWe
Summary of Contents for Rinnai INFINITY HD56kWe
- Page 1 HD56kWe external REU-AM3237WC-ZK INFINITY HD56kWe gas continuous flow water heater Service manual...
- Page 2 Improper installation, adjustment, alteration, service, maintenance, and removal can cause property damage, personal injury or loss of life. Help is here For more information about buying, using, and servicing of Rinnai appliances call: 0800 RINNAI (0800 746 624). Rinnai New Zealand Limited...
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Page 3: Table Of Contents
Contents Specification ............4 Safety devices ............5 Dimensions and connections........6 HD56kWe external cutaway diagram ....7 Operational flow chart...........8 Operational principles ...........9 Main components ..........10 Water flow rates and pressure characteristics ..11 Wiring diagram .............12 Diagnostic points ..........13 PCB interface and DIP switch settings ....14 Gas pressure setting ..........15 Appliance programming parameters ....16 Error codes ............18... -
Page 4: Specification
It has electronic ignition and requires electricity to operate. The INFINITY HD56kWe is factory preset to 55 °C, but can be set to deliver higher temperatures, up to 85 °C, making it ideal for commercial applications. -
Page 5: Safety Devices
In the case of a combustion fault (no rotation of fan blades), the sensor gas supply is stopped. Temperature cutout If the delivered hot water temperature rises above the required delivery temperature for a number of seconds, the gas supply is stopped. INFINITY HD56kWe service manual 01-23 | 5... -
Page 6: Dimensions And Connections
Purge gas and cold water supply lines to remove air and swarf before final connection. Swarf in the gas or water supplies may cause damage, a common problem, which is not covered by warranty. 6 | INFINITY HD56kWe service manual 01-23... -
Page 7: Hd56Kwe External Cutaway Diagram
Bypass flow control device Heat exchanger Water flow control device Heat exchanger water thermistor Gas connection pre-painted hot-dipped zinc coated steel sheet hot-dipped aluminium coated steel sheet stainless steel aluminium casting brass copper PPS (Polyphenylene sulfide) INFINITY HD56kWe service manual 01-23 | 7... -
Page 8: Operational Flow Chart
+5 °C controller is connected Heat exchanger outgoing temp. less than X°C *2 *2 X=60: If setting temp. is 60 °C, or less than 60 °C X=setting temp., except for above 8 | INFINITY HD56kWe service manual 01-23... -
Page 9: Operational Principles
When the hot water tap is closed the PCB no longer receives a pulse signal from the water flow sensor. The PCB shuts down the main solenoid valve and change-over solenoid valves, and the burner stops. The combustion fan will continue to operate for some time to purge the combustion chamber. INFINITY HD56kWe service manual 01-23 | 9... -
Page 10: Main Components
Integrated into the combustion chamber front panel are the flame rod and ignition electrodes. Water flow control is achieved through the 10 | INFINITY HD56kWe service manual 01-23... -
Page 11: Water Flow Rates And Pressure Characteristics
L/min (75.85 °C) ratio 1:5 L/min (35 °C) 11.3 10.5 14.3 12.2 16.7 14.1 18.8 15.5 20.7 16.9 22.6 18.2 24.1 19.3 25.5 20.4 27.0 24.5 33.5 24.5 37.7 24.5 37.8 24.5 37.8 24.5 37.8 INFINITY HD56kWe service manual 01-23 | 11... -
Page 12: Wiring Diagram
Wiring diagram 12 | INFINITY HD56kWe service manual 01-23... -
Page 13: Diagnostic Points
Below 1 Ω BK-R DC11-14 V Pulse: More than 6 Hz (1.0 Water flow sensor L/min) Y-BK DC4-7 V* Remote controller(s) BK-BK DC11-14 V * Value to be measured while unit is in operation INFINITY HD56kWe service manual 01-23 | 13... -
Page 14: Pcb Interface And Dip Switch Settings
PCB changeover is required. The PCB replacement and data transfer MUST BE performed by a licensed gasfitter. Contact Rinnai regarding PCB changeover and data transfer. Dipswitch detail viewed from front 14 | INFINITY HD56kWe service manual 01-23... -
Page 15: Gas Pressure Setting
Confirm the maximum hot water temperatures for all that shown on the appliance, do not proceed— hot water outlets. Requirements of contact Rinnai. To check the gas type enter AS/NZS 3500 MUST BE considered regarding the programming mode by pressing PB2 (red... -
Page 16: Appliance Programming Parameters
70 °C 75 or 85 °C 01 / 02 Factory preset temperature The Rinnai HD56kWe will come factory preset to 55 °C (01A + 02A), the default setting. If this needs changing, refer Table 2 above. 07 Auto reset Relates to the status of the unit should a power disruption occur. For both settings 07A and 07b, if the unit is on, with a fixed temperature setting, before a power disruption occurs, the unit will auto reset to come back on when the power is restored. - Page 17 56 kW. Where this is the case the attending IMPORTANT service person MUST reset the parameter back to 22b ON and check this before leaving the site. INFINITY HD56kWe service manual 01-23 | 17...
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Page 18: Error Codes
Ensure fan will turn freely. Check wiring harness to motor for damaged and/or loose connections. Measure resistance of motor winding. Water flow control. Water flow is Check water flow servo. not controller, water temp low. 18 | INFINITY HD56kWe service manual 01-23... - Page 19 Verify turbine spins freely. Measure resistance of the water flow control sensor. Cannot adjust temperature with Check hot water outlet thermistor. the controller(s), if fitted. Check heat exchanger outlet thermistor. Check gas valves. INFINITY HD56kWe service manual 01-23 | 19...
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Page 20: Component And Circuits Checks
Normal: 8~13.5 V DC → normal, proceed to (b). If abnormal replace PCB. (b) Measure resistance between solenoid 1 connectors. Normal: 20~30 Ω → normal, proceed to 5. If abnormal replace solenoid valve 1. 20 | INFINITY HD56kWe service manual 01-23... - Page 21 ) and measure the resistance between the two black wires or between the two white wires. Normal: < 1 Ω → normal, proceed to (b) If abnormal replace the thermal fuse (after confirming there is no appliance damage). INFINITY HD56kWe service manual 01-23 | 21...
- Page 22 (a) Disconnect relay connector ) and measure resistance between the two yellow wires. NORMAL Temp. 0 °C 10 °C 20 °C Resistance 38~43 kΩ 22~26 kΩ 14~17 kΩ If abnormal replace the water flow control device. 22 | INFINITY HD56kWe service manual 01-23...
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Page 23: Heat Exchanger Vinegar Flush
11. Disconnect the hose to the hot water supply pipe outlet and reconnect the hot water line. 12. Remove the in-line filter at the cold water inlet and clean out any residue. Place the filter back into the unit. 13. Restore the electrical power to the water heater. INFINITY HD56kWe service manual 01-23 | 23... -
Page 24: Maintenance Monitor And Error History
To lock the controller on a set temperature press and hold the ‘Priority’ button controller lock for two seconds, simultaneously press and hold the for five seconds, a beep will sound and the display will alternate between LOC and the set temp. 24 | INFINITY HD56kWe service manual 01-23... -
Page 25: Maintenance Parameters
(MC-601). Maximum temperature is 50 °C Number of master controllers, will be 0 or 1 111 means: • Two bathroom controllers (1 +1) • One master controller Number of bathroom controllers, will be 0, 1, or 2 INFINITY HD56kWe service manual 01-23 | 25... -
Page 26: Dismantling For Service
Checking the water flow turbine • Removing the gas housing and checking the gas filter • Cleaning the flame rods and igniter (remove the flame rods and check for carbon buildup and clean with sand paper) 26 | INFINITY HD56kWe service manual 01-23... - Page 27 The earthing screw, without the plastic washer, is located on the lower right hand side— ensure it goes back in the same position. NOTE Removal of the PCB unit Remove the one PCB unit fixing screw and pull forward. Remove the seven connectors. INFINITY HD56kWe service manual 01-23 | 27...
- Page 28 1. Remove high tension cord and flame rod. 2. Remove the nine fixing screws, seven on the manifold and two on the gas valve. 3. Unplug the connectors for the three solenoid valves. 28 | INFINITY HD56kWe service manual 01-23...
- Page 29 1. Remove the two fixing screws. 2. Pull off connections for the gas control. 3. Remove the gas control modulation valve and solenoid valve. 4. Remove the three fixing screws (numbered above) and remove inlet gas connection. INFINITY HD56kWe service manual 01-23 | 29...
- Page 30 Unscrew the black filter cap. Use minimal force as the filter screw thread and cap are plastic. Lightly blow out with compressed air. Inspect the filter for tears, and check the condition of the o-ring. 30 | INFINITY HD56kWe service manual 01-23...
- Page 31 Rinnai recommends the water flow turbine is checked and cleaned as part of the maintenance schedule for the unit.
- Page 32 Removal of the water temperature sensor Remove clip from the pipe. 32 | INFINITY HD56kWe service manual 01-23...
- Page 33 Unclip the thermal fuse from the heat exchanger (three clips in the front, two clips on the left side, two clips on the right side, and two clips on the back). Removal of the frost protection heaters Unclip the three frost protection heaters from the water pipes. INFINITY HD56kWe service manual 01-23 | 33...
- Page 34 Removal of the heat exchanger Remove four fixing screws and pull out the heat exchanger unit. 34 | INFINITY HD56kWe service manual 01-23...
- Page 36 Rinnai.co.nz Tel: 0800 746 624 http://www.youtube.com/rinnainz http://facebook.com.rinnainz...
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