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FAULT FINDING AND DIAGNOSIS
Greenstar Ri
ErP
- 6 720 813 283 (2015/07)
49
8.1.1
INTERNAL WIRING DIAGRAM
EXTERNAL
PUMP
FLUE
OVERHEAT
STAT
L
N
LP NP LR
Earth
MAINS
SUPPLY
SPARK
TRANSFORMER
ST9
ST6
ST5
ST2
ST1
DIAGNOSTIC
INTERFACE
CODE
PLUG
MODE
SWITCH
Slow 2 A fuse,
AC 230 V
Slow T1 .25 A fuse
CH TEMPERATURE
CONTROL
PRESSURE
SWITCH
230V WIRING CENTER/
JUNCTION BOX
FAN
Colour sequenc
e †
SL
L
N
Min
Max
Norm
ON/OFF
SWITCH
230V/AC
25V
Red
Blue
Violet
Orange
Live
Neutral
Colour sequence †
FLAME SENSE
ELECTRODE
SPARK
ELECTRODES
OVERHEAT
STAT
Green
GAS
VALVE
SAFETY
SOLENOID
SAFETY
SOLENOID
6720644744-27.2Wo
† Fan wiring:
Live = purple
Neutral = brown
F1
F2
FLOW TEMP.
SENSOR (NTC)
Pump Neutral
Pump Live
Switched Live
LP NP LR
L
N
Summary of Contents for 12Ri ErP
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