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Rheem II Series User Manual

Rheem II Series
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TM090 12-26 Series II CFGWH Service Instructions
REV AB Issued February 2019
This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed “uncontrolled
OPERATIONAL FLOW CHARTS
Plug In
Power On
1
Gas type control data failure G.I.S.V. Control failure
82 Flashing
73 Flashing
Error code cleared
Isolate Power
Remote controller
switched on
Remote controller
switched off
Remote controller
display off
Remote controller
LED display on
On/Off lamp Off
On/Off lamp On
Fan On
Fan Off
10 seconds later
5
B
Water Flow Sensor
off
Hot water tap closed
Hot water tap open
2
3
YES
24 FlashingNO
15 seconds later
Fan On
Fan On4
NO
YES
1
A
YES
71 Flashing
Vent type control
data failure
Failure of detection
of fan motor current
79 Flashing
34 Flashing
14 Flashing
74, 75 or 76 Flashing
O.H.L. Working
Ambient air
thermistor
disconnected
Communication trouble
between the remote
controller and heater
NO
8
E
31 Flashing
32 Flashing
33 Flashing
YES
34 Flashing
4 61 FlashingNO
15 seconds later
YES
9
72 Flashing
NO
5 seconds later
Leakage < than
0.1uA
NO
Water Inlet
Heat Exchanger
Ambient Air
Hot Water Outlet
NO
NO
52 Flashing
90 Flashing
YES
YES
2
YES
P.G.F.R. Valve Max.
10
F2
Initial check
normal?
Input temp not
more than set temp
(Max 58ºC)
-10~- 2ºC?
Water flow
sensor ON?
Max & Min
buttons off?
YES
Thermistor
OK?
Fan speed
normal?
P.G.F.R.
Control failure
Decrease in
fan ventilation
No false
flame
detected?
F1
F
F
G
5
6
7
8
G
A
Note: see page 22 for details on interpreting chart abbreviations

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Rheem II Series Specifications

General IconGeneral
CategoryWater Heater
SeriesII Series
TypeElectric
Energy Factor0.95
Voltage240V
Wattage4500-5500W
Warranty6 years
Diameter22 inches
Capacity40-80 gallons

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