Eim Wiring Guide; Conventional Systems; Heat Pump Systems - Honeywell RedLink Installation Manual

RedLINK™ Installation Guide (EIM)

EIM wiring guide

See detailed wiring guides for specific system
types on pages 16-17.

CONVENTIONAL SYSTEMS

A/B/C/D unused
(reserved for future use)

HEAT PUMP SYSTEMS

A/B/C/D unused
(reserved for future use)
EQUIPMENT INTERFACE MODULE
EQUIPMENT INTERFACE MODULE
**
set to EmHeat. L terminal is for use with zone panels.
4
24Vac
24Vac
Changeover
Backup heat
(gas/electric)
Compressor
Compressor
air sensor
L terminal sends continuous output when thermostat is
FURNACE
Transformer
120Vac
Stage 1 heat
Stage 2 heat
Fan
Air conditioning
Compressor
(stage 1)
Compressor
(stage 2)
Return
air sensor
AIR HANDLER
Transformer
120Vac
relay
(stage 1)
(stage 2)
Fan relay
Relay **
Return