ICP N4H3 - Page 11

Figure11 _ Typical Thermostat (Control Circuit) Connections
NOTE: WHEN USING OUTDOOR THERMOSTATS, W 2 MUST BE ENERGIZED WHEN REQUESTING SUPPLEMENTAL HEAT.
SYSTEMS WITH ONE OUTDOOR THERMOSTAT
THERMOSTAT INDOOR
SUBBASE SPLICE
CONNECTION
D _
IB--
[]
D-
E}-
[]
D-
13}-
SYSTEMS WITH TWO OUTDOOR THERMOSTATS
/vw,\
J \\ ......
.v
OUTDOOR DEFROST THERMOSTAT INDOOR OUTDOOR DEFROST
SPLICE BOARD SUBBASE SPLICE SPLICE BOARD
-- _ ODTo_
i....... i
l°1 .......
__ _ .___-;_
REMOVE WIRES FROM CRIMP NUT IN INDOOR FAN COILWHEN INSTALLING OUTDOOR THERMOSTATS.
SYSTEMS WITHOUT OUTDOOR THERMOSTATS
THERMOSTAT
SUBBASE
D .....
[]
D .....
D .....
[]
D .....
D .....
INDOOR OUTDOOR
SPLICE SPLICE
CONNECTION CONNECTION
/W.,\
.... \
DEFROST
BOARD
-0
-0
4
-0
4
/
L1
Ot ¸! oO
@
@
LEGEND
24-V FACTORY WIRING
24-V FIELD WIRING
FIELD SPLICE CONNECTION
OUTDOOR THERMOSTAT
EMERGENCY HEAT RELAY
SUPPLEMENTAL HEAT RELAY
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