
16
18-AC125D1-1A-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
DONE
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
DONE
CANCEL
12.3 High Voltage Ground
Ground the outdoor unit per national, state, and
local code requirements.
Summary of Contents for 4TTX7
Page 25: ...18 AC125D1 1A EN 25 Section 17 Wiring Diagrams 2 3 Ton Units...
Page 26: ...26 18 AC125D1 1A EN PRINTED FROM D157615P04 REV A 2 3 Ton Units...
Page 27: ...18 AC125D1 1A EN 27 4 Ton Units...
Page 28: ...28 18 AC125D1 1A EN 4 Ton Units...
Page 29: ...18 AC125D1 1A EN 29 5 Ton Units...