Trane Technologies 4TTR7 - High Voltage Grounding Procedure; Section 13. System Start Up; System Start Up Steps

16 18-AC115D1-1B-EN
Section 13. Start Up
13.1 System Start Up
STEP 2 - Set System Thermostat to OFF.
STEP 3 - Turn on disconnect(s) to apply power
to the indoor and outdoor units.
STEP 5 - Set system thermostat to ON.
OFF
D
O
N
E
CANCEL
ON
OFF
STEP 4 - Wait one (1) hour before starting the
unit if compressor crankcase heater acces-
sory is used and the Outdoor Ambient is below
70ºF.
60 MIN.
STEP 1 - Ensure Sections 7 through 12 have
been completed.
ON
D
O
N
E
CANCEL
12.3 High Voltage Ground
Ground the outdoor unit per national, state, and
local code requirements.