A.O. Smith ADM - 80 User Manual
Page 71
Instruction manual ADM
71
is
TERMINAL STRIP CONNECTIONS:
Earth
N
Neutral
L
1
Phase input of controller
L
2
Phase input of flue gas thermostat
L
3
Phase output of flue gas thermostat
COMPONENTS:
A
Two-pole isolator switch
B
Flue gas thermostat
C
"Error" signalling
D
"Operational" signalling
E
RESET button
F
Burner control
G
Control thermostat
H
Frost thermostat
J
Controller 0/I switch
K
Safety thermostat
L
High-limit thermostat
M
Extra error signal connection
N
Gas control
O
Hot surface igniter
P
Flame probe
Q
High-low control
R
Timer
CONTROLLER CONNECTIONS:
N1
Neutral
Earth
L'
Phase input of controller
L"
Phase output to safety circuit and thermostat circuit
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
Detection of ionisation signal
NO
Normally open port of the extra error sensor
P
Phase input of extra error sensor
NC
Normally closed port of the extra error sensor
F1
Fuse