LEGEND
C—Compressor Contactor
HD — Heating Device
IFC — Indoor Fan Contactor
LLSV — Liquid Line Solenoid Valve
R
—
Heat Control Relay (field-
supplied, 24-volt sealed coil,
10-va max rating)
Factory Wiring
Field Wiring
NOTES:
1. Combination LLSV2 plus IFC VA should not exceed 30 VA.
2. Do not exceed 5 VA (24 VAC) per coil.
3. If the VA values in Notes 1 and 2 must be exceeded, use accessory relay-transformer pack-
age 38AE900001 (60 Hz units only).
4. Wiring diagrams are general guides only and are not intended for a specific installation.
Refer to individual product installation literature.
Fig. 6 — Programmable Electronic Thermostat Wiring; 2-Step Cooling/2-Step Heating
7
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