INSTALLATION
Key
MS
Power switch
DE
Ignition electrode
IT
Spark generator
IE
Flame sensor
GV1
Gas valve
FA1
Variable speed fan
TB2
High-voltage
terminal board
SCP
Indirect tank pump
CHP
Central heating
system pump
TMP
Boiler circulator
AL
Alarm output
PS
Power supply
Cable colour
b
brown
h
blue
r
red
w
white
bl
black
g
yellow/green
y
yellow
gr
green
gy
grey
101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117
MAIN /
DHW 3-WAY CH
CH PUMP
L
N
L
L
N
L
28
bl
GENERAL FUSE
120 V
ALARM
MAIN IN
L
L
N
N
L
N
ELECTRODE
J2-6 gr
J3-5 bl
J3-10 w
EXT.
IGNITER
J4-6 bl
5
211
J4-1 b
4
J4-4 h
2
PWM
J4-5 grey
1
FAN
216
J2-1 gr
J4-3 w
J4-2 bl
FAN
J5-1 bl
J5-2 w
GAS VALVE
8
7
A2
A1
6/11
12/5
4/21
14/3
2/22
12/1
FLAME SENSOR
PUMP FUSE
bl
w
bl
w
gr
TS POWER
SUPPLY
UNIT PUMP
N