Rinnai REU-2007W, Service Manual

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Type of appliance Temperature controlled continuous flow gas hot water system.
Operation With or without remote controls, mounted in kitchen, bathroom, or ensuite.
Exhaust system Forced combustion
Rinnai model No.
REU-2007 REU-2008 REU-2408 REU-2424
Maximum gas rate 160 MJ/h 160 MJ/h 188 MJ/h 188 MJ/h
Hot water capacity, unmixed 2.7 to 11.5 L/min 2.7 to 20 L/min 2.7 to 20 L/min 2.7 to 24 L/min
Hot water capacity, mixed (25 C rise) 2.7 to 20 L/min 2.7 to 20 L/min 2.7 to 24 L/min 2.7 to 24 L/min
Default temperature (without remote)
Set using switches on PCB
40,43,50,55,60,65,75 C
40,43,50,55,60,65,
75 C and 85 C
Maximum temperature ceilings
(remote connected)
40, 43, 50, 55, 60, 65, 75 C (set by combination of switches on PCB)
Temperature range (with remote)
37 to 55 C in 13 steps
Approved gas types Natural; Propane; (New Zealand only - LPG)
Installation Externally mounted.
Dimensions
Width - 350 mm.
Height - 600 mm.
Depth- 170 mm.
Weight 18 kilograms.
Efficiency rating 80%
Noise level 49 dB(A)
Connections
Gas supply- R
:
/20A.
Cold water inlet- R
:
/20A.
Hot water outlet- R
:
/20A.
Ignition system Direct electronic ignition.
Minimum gas rate 21 MJ/h
Electrical consumption
Normal- 49
Standby- 8
Anti frost protection - 80
55
8
80
55 Watts
8 Watts
80 Watts
Water temperature control Simulation feedforward and feedback.
Water flow control Water flow sensor and automatic electro-mechanical water flow control device
Minimum operating pressure 200 kPa
Nominal operating pressure 200 ~ 1200 kPa
Power supply
Appliance- AC240 Volts 50 Hz
Remote control- DC12 Volts (Digital)
Safety devices
Flame failure- Flame rod.
Boiling protection- 105 C lockout thermistor (25 seconds)
Remaining flame [OHS]- 97 C bi-metal switch
Thermal fuse- 129 C
Pressure relief valve- Opens-2100kPa, closes-1500 kPa
Automatic frost protection- Bi-metal sensor & anti-frost heaters
Combustion fan rpm check- Integrated circuit system
Over current- Glass fuse (5 Amp).
Remote control
MC-33-3A- Kitchen control
BC-45-3A- Bathroom control
BSC-45-3A- Ensuite or 2nd bathroom control
Remote control cable Non polarised two-core cable
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