Attaching The Main Unit - Mitsubishi Electric VL-50SR2-E Installation Manual

9. Secure the air supply/exhaust pipe to the
mounting plate.
(a) I nsert the air supply/exhaust pipe to the
mounting plate.
(b) T urn the pipe counterclockwise to hook the
pipe mounting plate with the tab.
(c) Check that the air supply/exhaust pipe
is downward toward the outdoor side, as
shown in the following figure.
Mounting plate
Air supply/exhaust pipe A
Pipe mounting plate
Mounting plate
Note
- Check that all four tabs catch the flange.
(Otherwise, the back of the product is
pushed, causing shutter operation failure.)
- Attach the pipe in such a way that the "B"
mark on the mounting plate matches the "B"
mark on the pipe mounting plate.
- If the air supply/exhaust pipe is not
downward slanted, drain water may reflux or
rainwater may come in.
10. Attach the mounting plate.
(a) P ut the air supply/exhaust pipe through the
wall hole.
(b) Use one wood screw to temporarily secure
the mounting plate. (Tighten the screw at the
end.)
(c) Attach one unit fixing screw to the mounting
plate for hanging the unit.
(d) H ang a weight and check the level of the
mounting plate (slope within 1°). (If the unit
is inclined, water may spill from the drain
pan.)
(e) U se four wood screws to secure the
mounting plate to the position where
reinforcement is provided inside the wall.
Tab
"B" mark
Air supply/exhaust
pipe
Note
- Secure the plate in an even position at the
- For a concrete wall, use concrete screws
- Attach so that the B mark comes to the
- Accurately find the power and connection

5.3 Attaching the main unit

1. Pull the power and connection cables
2. Pull the power and connection cable
3. Hook the unit to the unit fixing screw at the
Eng-9
(f) Use a wood screw to secure the center of
line A.
Wood
screw
"B" mark
four corners.
(commercially available) to secure the plate.
bottom side.
cable takeout position and the mounting
plate position. (If the position of the
mounting plate is displaced, the power and
connection cable takeout hole will protrude
from the unit.)
through the hole in the rear of the unit.
- Be sure that the cable is not caught between
the unit and mounting plate.
through the lead-in opening and the bush.
Power and connection cable
center of the mounting plate.
- Insert while paying attention not to push in
the cushion of the air supply/exhaust pipe by
the drain pan end.
Unit fixing
screw
Wood screw
(temporary
A
fixing)
Weight
Bush
Lead-in opening