Carrier TSTATCCREC01 Installation Instructions Manual page 10

7Wire, 2Stage Cooling, 2Stage HeatCommercial Gas or Electric Heat **%
Electric Cool, split systems &package units
O including Commercial Heat Pumps **
W2 Y2 R Wl Y1 G C
I_ _ _ _(_ Receiver
** C£mm#_i_ heat pumps 4Q Z?Qt h ave
the heat pump turned on in advanced setup
>X
24 vac common
fan relay _'_
compressor relay
>X
>-4
M<
>X
be selected on during advanced setup
1st stage heat circuit
24 vac return
2nd staqe compressor relay
2nd stage heat circuit
*** If using electnc heat, this option must
L
E
C
G
Y1
O
W1
R
Y2
N2
5 Wire, 1 Stage Cooling, 1 Stage Heat - Heat Pump*
O
W2 Y2 R Wl Y1 G C No auxiliary heat, residential Heat Pumps,
split systems & package units
Receiver
* If using residential heat pump, this option
must be selected on during advanced setup
24 vac common
fan relay
compressor relay
reversing valve
24 vac return
L
E
C
G
Y1
O
Wl
R
Y2
W2
Page 9