78
Equipment Control Module
Furnace
Air Conditioner
Heat Stage 2
O/B W2
W2
Heat Stage 1
W/W1
W/W1
Cool Stage 1
Y1 / W2
Y1
Cool Stage 2
Y/Y2
Y/Y2
Y/Y2
Fan
G
G
24VAC Hot Heating
Rh
R
R
24VAC Hot Cooling
Rc
Dry Contact 1
D1
Dry Contact 2
D2
DHUM
24VAC Common
C
COM
C
Humidify
HUM
Outdoor Air Temp
OAT
Remote Room Sensor
RRS
OAT/RRS Com
SRTN
Outdoor Sensor *
Humidifier Solenoid
Valve *
Remote Room
Sensor *
Y1
* Indicates connection may not be required/available.
A09123
Fig. 33 -- Variable Speed, Step Modulating, Multi--Stage and Single--Stage
Furnace with Two--Stage Air Conditioner
Summary of Contents for A07048
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Page 10: ...8 A13295 Fig 2 Coil Excess Wiring A07685 Fig 3 TP PRH A B Carton Contents ...
Page 15: ...13 A07225 Fig 5 Press Tabs to Remove Backplate A07226 Fig 6 Take Apart ...
Page 89: ...87 NOTES ...
Page 90: ...88 NOTES ...
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