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Terminal Qty. Function Description
PANEL 24V 1 INPUT 24 VAC Transformer Power 100 VA Maximum
POWER 24C 1 INPUT 24 VAC Transformer Common
DAMPERS PO 2 OUTPUT 24 VAC Power Open Zone Damper Terminal
COMM 2 OUTPUT Zone Damper Common Terminal
PC 2 OUTPUT 24 VAC Power Close Zone Damper Terminal
OUTDOOR ODT1 1 INPUT Optional Outdoor Air Sensor Terminal 1 (No Polarity)
Model 5490
AIR ODT2 1 INPUT Optional Outdoor Air Sensor Terminal 2 (No Polarity) Model 5490
EQUIPMENT Rh 1 INPUT 24 VAC Equipment Transformer Power Connection
Rc 1 INPUT
24 VAC Cooling Equipment Transformer (Dual Transformer Systems Only)
Y 1 OUTPUT Compressor
G 1 OUTPUT Fan Control
W1/E/AUX 1 OUTPUT
[W1] 1st Stage Conventional Heat [E] Emergency Heat [AUX] Auxiliary Heat
W2/O/B 1 OUTPUT [W2] 2nd Stage Conventional Heat
[O] Cool Active Reversing Valve
[B] Heat Active Reversing Valve
L 1 INPUT System Malfunction Indicator
C 1 INPUT 24 VAC Transformer Common
THERMOSTAT R 2 OUTPUT 24 VAC Thermostat Power
Y 2 INPUT Compressor Call
W1/E/AUX 2 INPUT [W1] 1st Stage Conventional Heat Call [E] Emergency Heat Call
[AUX] Auxiliary Heat Call
W2/O/B 2 INPUT [W2] 2nd Stage Conventional Heat Call
[O] Cool Active Reversing Valve Call
[B] Heat Active Reversing Valve Call
G 2 INPUT Fan Call
L 2 OUTPUT System Malfunction Indicator
C 2 OUTPUT 24 VAC Transformer Common
Press once to restart panel
Hold for 5 seconds to reset panel and restore all factory defaults
Rc/Rh TERMINAL JUMPER (J1) Open jumper for dual transformer installations
ZONE PANEL WIRING TERMINALS
5
1
2
3
4
5
6
7
Note: Wire should be stripped to 3/8 inch minimum.
RESET BUTTON
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