Lochinvar CHA 100 G CE Installation, Commissioning, User & Maintenance Instructions page 69

is
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 control
H Hot surface igniter
J Flame probe
K High-low control
L Timer
M Error signal
N Operational signal
O Reset button
P Thermal reflux safeguard
OPTIONAL COMPONENTS:
Q Control isolator
R CORREX Power Anode control
S Weekly timer circuit
69