44
Residential & Commercial
Heat Pump
with
O Reversing Valve
5 Wire, 1 Stage Cooling, 1 Stage Heat
R 24VAC Power
C 24VAC Common
W1/O/B Reversing Valve
Y1 1st Stage Compressor
(Cool or Heat)
G Fan
Residential & Commercial
Heat Pump
with
O Reversing Valve.
8 Wire, 2 Stage Cooling, 4 Stage Heat
R 24VAC Power
C 24VAC Common
W1/O/B Reversing Valve
W2 3rd Stage Heat
W3 4th Stage Heat
Y1 1st Stage Compressor
(Cool or Heat)
Y2 2nd Stage Compressor
(Cool or Heat)
G Fan
Setup Step 29 and 30 are set to 2
Residential & Commercial
Heat Pump
with
O Reversing Valve
6 Wire, 1 Stage Cooling, 2 Stage Heat
R 24VAC Power
C 24VAC Common
W1/O/B Reversing Valve
Y1 1st Stage Compressor
(Cool or Heat)
W2 Aux Heat
G Fan
Residential & Commercial
Heat Pump
with
O Reversing Valve.
7 Wire, 2 Stage Cooling, 3 Stage Heat
R 24VAC Power
C 24VAC Common
W1/O/B Reversing Valve
W2 3rd Stage Heat
Y1 1st Stage Compressor
(Cool or Heat)
Y2 2nd Stage Compressor
(Cool or Heat)
G Fan
Setup Step 29 is set to 2
1
GAS
O
GAS/EL
ELEC
B
HP
ON
23
1
GAS
O
GAS/EL
ELEC
B
HP
ON
23
1
GAS
O
GAS/EL
ELEC
B
HP
ON
23
1
GAS
O
GAS/EL
ELEC
B
HP
ON
23
30
Sample Wiring Diagrams
Heat Pump Systems
Note: When the unit goes into 4th stage
heating, there is no 4th stage indicator,
the display will still show 3rd stage.
Installation Instructions
30
31
Содержание T4950-IAQ
Страница 8: ...3 Setup Buttons Get To Know Your Thermostat...
Страница 57: ...P N 88 1448 Rev 2 01 18 22 Patent Pending...