Venstar T2000 - Thermostat Backplate Terminals

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Installation Instructions
3
The Explorer Mini Thermostat Backplate
R 24 VAC return
G Fan relay
W1/O/B 1st stage heat circuit
W2 2nd stage heat circuit
Y1 1st stage compressor relay
Y2 2nd stage compressor relay
C 24 VAC common
CK1 Dry Contact
IMPORTANT: This thermostat requires both R (24 VAC Return) and C (24 VAC
Common) wires be connected to the backplate terminals to operate properly.
To remove the thermostat backplate:
Gently separate the display from the
basebypullingfromthecenter.
R G Y1 W2 W1/O/B Y2 C CK1