Trane 4MYW4509A1 Installation Manual page 11

Note: In cases when a wall pipe sleeve is not used, always perform the wall perforation in a straight and
uniform manner. If the center of the hole is not properly aligned, it could give way to condensate leaking.
Note: If a wall pipe sleeve is not used, the wiring that connects the indoor unit to the outdoor unit could
rub against each other and lead to electrical current leaking to ground.
Drain Hose lnstallation
1. For better draining, the hose should be installed with a downward inclination.
2. Do not bend or exercise pressure over the hose; do not allow the final end of the hose to remain
3. The entire length of the indoor drain hose should be wrapped around with insulation.
Figure 4. Drain Hose
Hanging the Unit on the Wall
1. While directing piping and wiring either from the right side or left side of the unit, remove the
Figure 5. Chassis perforations
2. With the use of tape, wrap and tie piping and wiring together forming a bundle and insert whole
Figure 6. Piping bundle
MS-SVN046A-EN
submerged under water. See figure below.
opressed
perforated sections from the chassis as required.
• Remove section 1 when directing wiring only;
• Remove both sections 1 and 2 when directing piping and wiring (or rather, 1, 2, 3).
t
t
t
bundle through the hole recently perforated for this purpose.
Right
Right rear
bent
immersed in water
Connective wiring
Piping gas side
Piping liquid
side
Insulation
piping gas
Insulation
side
piping liquid
Wrap with
side
Drain pipe
tape
Left
Left rear
Installation
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