Piping; Mounting Plate Installation - McQuay M5WM Series Installation And Maintenance Manual

Piping

The refrigerant piping can enter the indoor unit at several
different locations. Use the knock outs provided in the room
cabinet. See Figure 4.
Figure 4. Indoor Unit
Bend the pipes carefully to prevent kinks and restrictions.
It's best to use a tube bender. The condensation drain hose
can be taped to the pipes. See Figure 5.
Figure 5. Rear View of Indoor Unit
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Mounting Plate Installation

The mounting plate ships attached to the back of the
indoor unit. To detach for mounting on wall, remove
plastic rivet from bottom (pry loose with a knife blade)
and unhook.
The wall must be strong enough to support the weight
of the unit. If necessary, reinforce the wall. Drill holes in
plate to align with wall studs and attach with four (4)
screws.
If the refrigerant piping is going thru the wall behind the
indoor unit, provide a 2-1/2" hole that is slightly pitched
to the outside. See Figure 6. Hole must be located in
alignment with the arrows on the mounting plate. See
Figure 7.
Figure 6. Wall Opening for Piping
Figure 7. Mounting Plate/Wall Opening
IM-5WMF(SEER13)-0706