Part 5 Description - 4100 Series

Terminal Block 12 Position

12 Position Low Voltage Terminal Block Coding

R

Low Voltage Hot

C

Low Voltage Common

Y

Compressor/Stage 1 Heat Call

W

Stage 2 Heat Call

Y2

Compressor Output

G

Fan Call

O

Reversing Valve Input

O2

Reversing Valve Output

E

Emergency Heat

OS

Outdoor Temperature Sensor

SC

Outdoor Temperature Sensor Common

RS

Freeze Protection Room Temperature Sensor