18
WIRING DIAGRAM
TRANSFORMER
IGNITION RELAY
EARTH
FLUE GAS
EXTRATION
INTAKE DEVICE
PHASE
NEUTRAL
230Vac
NETWORK
M
SCREW FEED
MOTOR REDUCER
ALF
ALP
IGNITION
RESISTANCE
R
OO
M
THE
R
M
OS
TA
T
C
N
4
C
N
8
CN9
C
N
13
C
N
5
CN1
CN2
CN7
PE
LL
ET
S
IDE
FU
M
ES
PR
OB
E
N.PEL. N.H20 N.AMB. TERM.
B
LU
E
R
ED
R
OO
M
TE
M
PE
R
A
TU
R
E
PR
OB
E
-TC1+
A
C
C
.
C
OC
.
N
F
SC
A
M
.
FU
M
I
N
A
L1
A
L2
IMPORTANT: DO NOT
INVERT THE POSITION
OF THE WIRES
C
N
6
DISSIPATER
N
F
SC
A
M
FU
M
I
C
N
15
FUSE
4A 5X20
C
N
12
C
N
10
BOARD I023
C
N
14
DISPLAY
CONNECTOR
SC
A
M
.
AUX
ALT
CONNECTOR
FOR SERIAL OR
EXPANSION BOARD
I055 CONNECTION
CR2032 3Volts
CHRONO-THERMOSTAT
CLOCK BATTERY
TACHOMETER CONNECTION WIRES
B
L
A
C
K
W
H
IT
E
R
E
D
SAFETY DEVICES KEY:
ALP = DOOR CLOSING MICRO SWITCH
ALF = FLUE GAS PRESSURE SWITCH
ALT = MANUAL RE-ARM THERMOSTAT
HOT AIR FAN