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Thermostat Connection Diagrams
Mark IV/AC Units – Unit Sizes 070 to 121
Non-Programmable Electronic Thermostat (P/N 668054201)
7-Day Programmable Electronic Thermostat (P/N 107095901)
Includes Thermostat and Wall Plate.
Refer to the installation, operation &
application guide (LIA217) for thermostat
107095901 installation details
WSHP Mark IV/AC Board Low Voltage Terminal Strip (Circuit1)
OW2GW1Y1 F E L U A P V R C
RCW1Y1 W2 Y2 G
Thermostat Terminals
WSHP Mark IV/AC Board Low Voltage Terminal Strip (Circuit1)
OW2GW1Y1 F E L U A P V R C
RCW1Y1 W2 Y2 G
Thermostat Terminals
Includes Thermostat and Wall Plate.
Refer to the installation, operation &
application guide (LIA204-4) for thermostat
668054201 installation details