Trane 4TXK6512G1000AA Service Manual page 102

Installing the coupler heat insulation
After checking for gas leaks, insulate by wrapping insulation around the two parts (large and
small) of the indoor unit coupling, using the coupler heat insulation . After installling the coupler
heat insulation, wrap both ends with vinyl tape
so that there is no gap . Secure both ends ofthe heat insulation material using nylon fasteners .
Coupler heat insulation (large) nsulation
Indoor unit
Coupler heat insulaton
When using an auxiliary pipe, make sure that the fastener used is insulated in the same way .
Note:
When installing the unit on the floor, fix the four rubber base feet in the accessories on the bottom plate of the unit
with four 4x16 screws and 4 flat washers, as the position in the figure .
The bottom plate of the unit.
Installing The Drain Hose
 Install the drain pipe with downward gradient (1/50 to 1/100) and so there are no rises or traps in the pipe .
 Use general hard polyvinyl chloride pipe (VP25) (outside diameter 38 mm)
 During installation of the drain pipe, be careful to avoid applying pressure to the drain point of the unit .
 When the pipe is long, install supporters .
 Do not perform air bleeding .
 Always heat insulate (8mm or over thick) the indoor side of the drain pipe .
GOOD
(large) Coupler pipe
(large) Coupler pipe
(smallCoupler ppe (large)
(small)
Coupler pipe (small)
Coupl r heat insu ation (small) (small)
Supporter
Indoor unit
B A D
5 to 6.5 ft
(1.5 to 2 m)
8 1
Nylon fastener (large)
No gap
N gaCo oupl e r heat
insulation
Nylon fastener (small)
y
rubber base foot
fl t
4x16 screw
b b f
screw flat
washer
B A D
h
4x16