Installation Manual

22 23
D. Heat Pump (One or Two Stages with AUX/
Emergency Heat)
Connect system Indicator (L), 2nd Stage (Y2) and Emergency
Heat (E) are optional if available. The HUM relay can be used
for Humidication, Dehumidication or as an Aux (Auxiliary
Heat) relay. See page 15 for more information.
Dotted lines indicate an optional wire.
Troubleshooting & Support
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Call or email the iDevices
®
Customer Experience
Team with questions.
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HUM
NC
W2/E
W1/O/B
RH RC
Y2 Y1
G
L
C
HVAC Type
Stage: HP | Type: HE for electric, HG for gas/oil
systems | O/B Type: According to previous
thermostat setting