26
Table 8-1: Thermostat Signals
Signal
State Board
Function
G
G & W1
G & W & W2
G & Y
G & B & Y
G & B & Y & W1
G & B & Y & W1 & W2
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Blower instant ON
Blower 90 sec. delay OFF
Blower instant ON
Heater bank 1 elec.onstant ON
Heater bank 1 elec.instant OFF
Blower 90 sec. delay OFF
Blower instant ON
Heater 1 instant ON
Heater 2 instant ON
Blower 90 sec. delay OFF
Heater 1 instant OFF
Heater 2 instant OFF
Blower instant ON
Compressor and outdoor fan instant ON
Compressor and outdoor fan instant OFF
Blower fan delay 90 sec. OFF
4-way valve instant ON
Blower instant ON
Compressor and outdoor fan instant ON
Compressor and outdoor fan instant OFF
Blower fan delay 90 sec. OFF
4-way valve instant OFF
4-way valve instant ON
Blower instant ON
Compressor and outdoor fan instant ON
Heater 1 instant ON
4-way valve instant OFF
Blower fan delay 90 sec. OFF
Compressor and outdoor fan instant OFF
Heater 1 instant OFF
4-way valve instant ON
Blower instant ON
Compressor and outdoor fan instant ON
Heater 1 instant ON
Heater 2 instant ON
4-way valve instant OFF
Blower fan delay 90 sec. OFF
Compressor and outdoor fan instant OFF
Heater 1 instant OFF
Heater 2 instant OFF
8.5 THERMOSTAT SIGNALS
Thermostat Wire Color
Red
Function
Power wire
Black
Power wire
White
Heater signal 1
Green
Blower fan signal
Yellow
Compressor signal
Blue
Reversing valve signal
White/Black
Heater signal 2
Table 8-2: Thermostat Wire Color
Summary of Contents for EHK-05G
Page 28: ...28 HP System W iring Diagram 24 42 48 ...
Page 29: ...29 HP System W iring Diagram 30 60 ...
Page 30: ...30 HP System W iring Diagram 36 ...
Page 31: ...MD15IU 019CW 202000172699 ...