1 Source S1-TBEU22P7S Installation Instructions Manual page 12

INSTALLATION INSTRUCTIONS
Sample Wiring Diagrams
7 Wire, Two Stage Gas Furnace and Two Stage Cooling
Residential Gas Heat, Electric Cool, split systems & package units.
2ND STAGE COOL
AUXILIARY HEAT
FAN
GAS HEAT
COMPRESSOR
POWER
COMMON
ACTIVE OUTPUTS
1st Stage Cooling
2nd Stage Cooling
1st Stage Heating
2nd Stage Heating
*In this application 24v will not be present at
the 'G' terminal. The fan will be controlled by
the Gas Furnace.
S1-TBEU22P7S
C
R
Y1
W1/O/b
G
W2
Y2
7 Conductor 18 to 22 gauge
unshielded cable from the
thermostat to the equipment.
JUMPER SETTINGS
With Demand
Y, G
Y2, Y, G
W1, (G)*
W2, W1, (G)*
Page 12
ELEC
JP 1
GAS
HP
JP 2
GAS
B
JP 3
O