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Instruction manual CHA
TERMINAL STRIP CONNECTIONS:
Earth
N
Neutral
L
Live
1
L
Phase input of controller
2
L
Phase input of thermal reflux safeguard
3
L
Phase input of safety circuit for releasing temperature regulation
NO
Normal open
P
PVC supply
NC
Normal closed
COMPONENTS:
A
Burner control
N
Neutral
Earth
L'
Phase input to controller
L"
Phase output
TH
Phase input of thermostat circuit
GV1
Phase output to gas control
MAX
Phase input to safety thermostat
LG
Phase output to hot surface igniter
I
Ionisation detection = output
NO
Normal open
P
Phase input to alarm
NC
Normal closed
F1
Fuse (T5A)
R1
Relay max. 250V, 10A
B
Frost thermostat
C
Control thermostat
D
On/off/on switch
E
Safety thermostat
F
High-limit thermostat
G
Gas valve
H
Hot surface igniter
J
Flame probe
K
Error signal
L
Operational signal
M
Reset button
N
Thermal reflux safeguard
OPTIONAL COMPONENTS:
O
Control isolator
P
CORREX Power Anode control
Q
Weekly timer circuit
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