Johnson Controls TEC3010 Installation Instructions Manual page 10

Note: Only one transformer is required for each TEC.
Figure 6: Staged Wiring Diagram - Heat Pump (See Table 3 for Terminal Identification)
Thermistor
TEC3000 Series Wireless Single- or Two-Stage Economizer Thermostat Controllers Installation Instructions
Outdoor Air Temp
TB1
W2 SUP
RH
W1 OB
Y1
Y2
G
AUX
AUX
24 V
Common
Supply/Aux
Thermistor
Economizer
Vin
Common
O/B
Compressor
Compressor
2
R SEN
SAT
OAD
24V
COM
24 V
10
1