Page 46
Residential & Commercial 1 Stage Heating
with
no Fan
.
3 Wire, Heat Only
24VAC Power
24VAC Common
1st Stage Heat
Residential & Commercial 1 Stage Cooling.
4 Wire, Cool Only
R
C
Y1
G
Conventional Heating and Cooling Systems
Residential & Commercial 1 Stage Cooling,
with 1 stage
Gas Heat
.
5 Wire, 1 Stage Cooling, 1 Stage Heat
24VAC Power
24VAC Common
1st Stage Heat
1st Stage Cool
Fan
Residential & Commercial 1 Stage Cooling,
with 1 stage
Electric Heat
.
5 Wire, 1 Stage Cooling, 1 Stage Heat
24VAC Power
24VAC Common
1st Stage Heat
1st Stage Cool
Fan
Residential & Commercial 2 Stage Cooling,
with 3 stage
Gas Heat
.
8 Wire, 2 Stage Cooling, 3 Stage Heat
24VAC Power
24VAC Common
1st Stage Heat
2nd Stage Heat
3rd Stage Heat
1st Stage Cool
2nd Stage Cool
Fan
R
C
W1/O/B
Y1
G
R
C
W1/O/B
Y1
G
R
C
W1/O/B
W2
W3
Y1
Y2
G
R
C
W1/O/B
24VAC Power
24VAC Common
1st Stage Cool
Fan
Installation Instructions
GAS/EL
HP
O
GAS
B
ELEC
GAS/EL
1
2
3
ON
HP
O
GAS
B
ELEC
GAS/EL
HP
O
GAS
B
ELEC
GAS/EL
HP
O
GAS
B
ELEC
GAS/EL
HP
O
GAS
B
ELEC
Sample Wiring Diagrams
with Dip Switch Positions
1
2
3
ON
1
2
3
ON
1
2
3
ON
1
2
3
ON
1
2
3
ON
Summary of Contents for TSTATG4271GT
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Page 61: ...Page 55 Notes...
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