Trane 4TTL5024N1000A, Installation And Operation Manual

Page: 19 / 36

18-AC126D1-1A-EN 19
System Start Up
1. Set the system thermostat to OFF.
OFF
DONE CANCEL
2. Turn on electrical power disconnect(s) to apply power to the
indoor and outdoor units.
ON
OFF
3. Wait one (1) hour before starting the unit if compressor crankcase
heater accessory is used and the Outdoor Ambient is below 70°F.
60 MIN.
4. Set the system thermostat to ON.
ON
DONE CANCEL
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