Carrier 40GJB Owner's Manual page 21

Installation of indoor unit
torque wrench
indoor pipe
4. Wrap the indoor pipe and joint of con-
nection pipe with insulating pipe, and
then wrap it with tape.
Note:
If a 18k indoor unit is to be connected with Free Match outdoor unit, a transitional
pipe joint (provided) should be added at the pipe joint of indoor unit evaporator
Please refer to step 1-4 during installation.
Step six: install drain hose
1. Connect the drain hose to the outlet pipe of
indoor unit.
Note:
Add insulating pipe in the indoor
drain hose in order to prevent
condensation.
The plastic expansion particles are
not provided.
Step seven: connect wire of indoor unit
1. Open the panel, remove the screw
on the wiring cover and then take
down the cover.
open-end Hex nut diameter
wrench
1/4 in (6 mm)
3/8 in (9.52 mm)
union nut
1/2 in (12 mm)
pipe
5/8 in (16 mm)
3/4 in (19 mm)
drain hose
outlet pipe
tape
20
Tightening torque[ft.lb(N.m)]
20.34~27.12 ft.lb(15~20 N.m)
40.68~54.24 ft.lb(30~40 N.m)
54.24~74.58 ft.lb(40~55 N.m)
81.36~88.14 ft.lb(60~65 N.m)
94.93~101.7 ft.lb(70~75 N.m)
insulating pipe
5/8 in (16 mm).
drain hose
outlet
pipe
drain hose
insulating pipe
panel screw
wiring cover