
WIRING DIAGRAM
Transformer
TO BE MADE BY THE INSTALLE
R
Display
Board
X01
X06
X07
X03
X0
4
X05
Burne
r
Trap pressure
switch
Return probe
Flue
Gas
Prob
e
Boiler
Prob
e
Minimum ga
s
pressure switc
h
Ground
terminal boar
d
Flow probe
Safety
thermostat
Wate
r
pressure
sensor
X12
X15
X14
X1
1
X02
X00
Gas
Valv
e
General
Switch
L
N
230V~50Hz
Fan
Main switch
Fuse
Fuse
Fuse
Fuse
Shutdown
signalling
Relay
1
Relay
2
Relay 3
Fuse
Relay
4
Boiler Pump
Boiler Pump 2
Cascade
Pump
Modulation
Cascade Pump
Water heater
Pump
Ambient
Thermostat
External
Probe
Remote
Alarm
Flue Gas
Clapper valve
Cascade
Probe
0-10V
+-
Ambient thermostat
for low voltage
Pump
Modulation
Master
Communication
Slave
Communication
ISPESL KI
T
TS
PRma
x
Deviating
valve
Water heater
Thermostat
Water heater
Probe
Flue gas
clapper valve
(
*
) Maximum
allo
wed
absorption 6.3
A for a single
line, with total
absorption <10 A.
- 15
-
GENERAL