6
2 x 0,75 mm
2
mini.
2 x 0,75 mm
2
mini.
2 x 0,75 mm
2
mini.
MAIN SUPPLY 120V 60Hz
ALI
L
N
1
2
3
4
5
CS
SAFETY CONTACT
ALARM INDICATOR
VA
6
7
L
N
HEATING PUMP
(A)
L
N
8
9
10
LOAD PUMP
L
N
11
12
13
BOILER
S CH
17 16
o
o
DOMESTIC HOT WATER
S ECS
19 18
o
o
ROOM THERMOSTAT
TAM
15 14
SENSOR
8578N005
120V - 60Hz
GT 120 A
GT 1200 A
Removable
bridge
Removable
bridge
Room
thermostat
Safety
contact
Alarm light
Sensor cables
must be separated
from cables in
120V circuits (see
page 4).
Minimum wire gauge
0.75mm2 = 18 AWG
1.5mm2 = 14 AWG
Control Connections & Options
Room thermostat connection:
The room thermostat is a 120v signal, use a class 2 step down transformer when connecting to a conventional
thermostat.
Contact Safety
120 v signal to dry contact - vent safety switch as required by code, other auxiliary limits may be wired in series.