AM10 - We reserve the right to make any changes due to technical modifications! 7
Installation manual 1
1.4 Single Boiler Control
To equip a single GB142 boiler with outdoor reset control:
Required items:
– ON/OFF thermostat for every heating zone with individual zone pump or zone valve
– Pump relay
– Wiring
If there are multiple zones, wire all thermostats in parallel for calls for heat from any thermostat
to produce a heat demand.
Fig. 7 Wiring detail
Outdoor
sensor
N
Pump Relay
H C1 C2 X X
T T
Dedicated
120 Vac
15 Amp Circuit
Neutral
Zone
valve
Line
120 Vac
Field wiring
Low Voltage
Field wiring
AM10 Module
EV
1
2
FW
1 21 2
WA
1 2
FA
1 2
RC
DHW Tank
Sensor
Factory
Installed
Jumper
RC 10/20
Outdoor
sensor
T T
Connection
DHW
Sensor
Safety
Limit
Orange Blue Lt Green Lt Gray Red
GB142 wire terminal strip
Terminals FA and WA
not used in this
application
1
2
1
2
On / Off
1 2
Do not install RC10 module when
using this configuration.