Carrier PTACSTAT-NP-HP Installation & Operating Manual page 9

Non-programmable thermostat
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PTAC Terminal
Designations
C
Gl
OR
Gh
O
Y
W
R
Rc - 24 VAC, from cooling equipment
OR
Rh - 24 VAC, from heating equipment
W - Heating
O/B
C - Common 24 VAC
reversing
valve
G - Fan
Not used
Y - Cooling
Fig. 3 - - Terminal Designations
R W Y O Gh Gl C
Thermostat Terminal Designations
or
9
A08092

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