WIRING DIAGRAM DUAL POWER
Type 1-2-3-4-5
SE
RST
LB
J10
LL
LF
SND
EF
PA
COM
COM
ION
J1
4
J1
6
J8
J4
NC
NA
J17
J2
J1
1
J18
J13
J15
RSTR
IGN1
EA1
J7
TA
VM
MS
C
C
COMM
J9
J12
LOW
HIGH
LM
TR
EVG
1
-I°
FAN 1
EVG1-
II°
J1
J6
IMT
F1
J5
F2
II°
SF
I°
230
V 50Hz
L
N
FAN 2
KEY
SND
Temperature
probe
TR
Regulatory control thermostat (auto reset)
LM
LIMIT thermostat (Manual reset)
EVG1-I°
Gas solenoid valve 1
EVG1-II°
Second stage
gas valve 1
C
Fan
capacitor
FAN 1
Axial fan 1
FAN 2
Axial fan 2 (type 5)
F1-F2
Line
fuses
LF
Green
working
light
LL
High temperature indication
LB
Lockout indication
RST
Lockout reset button
EF
Flue
Venter
PA
Differential pressure switch
IGN1
Ignition
transformer
EA1
Spark
electrode
ION
Ionisation
probe
SE
Electrical
board
IMT (*)
Fused
isolator
MS (*)
Fire switch
RSTR (*)
Remote reset
TA (*)
Room
thermostat
VM (*)
Fan
switch
SF (
*
)
Second stage gas valve connection
(*)
External to the heater customer installation
12