Pioneer Inverter+ WAS Series Installation Manual page 19

If refrigerant piping is already embedded in
the wall, do the following:
Hook the top of the indoor unit on the upper
1.
hook of the mounting plate.
Use a bracket or wedge to prop up the unit,
2.
giving you enough room to connect the
refrigerant piping, signal cable, and drain
hose. Refer to Fig. 3.11 for an example.
Fig. 3.11
UNIT IS ADJUSTABLE
Keep in mind that the hooks on the mounting plate are smaller than the holes on the back of the
unit. If you find that you don't have ample room to connect embedded pipes to the indoor unit, the
unit can be adjusted left or right by about 30-50mm (1-2 inches), depending on the model. (See
Fig. 3.12
.)
30-50 mm
(1-2 in)
3.
4.
5.
6.
7.
Move to left or right
Fig. 3.12
Connect drain hose and refrigerant piping
(refer to Refrigerant Piping Connection
section of this manual for instructions).
Keep pipe connection points exposed to
perform the leak test (refer to Electrical
Checks and Leak Checks section of this
manual).
After the leak test, wrap the connection point
with insulation tape.
Remove the bracket or wedge that is propping
up the unit.
Using even pressure, push the bottom half of
the unit toward the wall. Keep pushing evenly
until the unit snaps onto the hooks along the
bottom of the mounting plate.
30-50 mm
(1-2 in)
 
Page 19