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English■
5
Indoor Unit Installation
1. Installing the mounting plate
The mounting plate should be installed on a wall which can support the weight of the indoor unit.
1)Temporarily secure the mounting plate to the wall, make sure that the plate is completely level, and mark the drilling points
on the wall.
2)Secure the mounting plate to the wall with screws.
Recommended mounting plate retention spots and dimensions
2. Drilling a wall hole and installing wall embedded pipe
WARNING
For metal frame or metal board walls, be sure to use a wall embedded pipe and wall hole cover in the feed-through hole to
prevent possible heat, electric shock, or fire.
• Be sure to caulk the gaps around the pipes with caulking material to
prevent condensation.
1) Drill a feed-through hole with a 2-9/16 inch (65mm) diameter
through the wall at a downward angle toward the outside.
2) Insert a wall embedded pipe into the hole.
3) Insert a wall hole cover into wall pipe.
4) After completing refrigerant piping, wiring, and drain piping, caulk
the pipe hole gap with putty.
3. Installing the indoor unit
• The recommended installation method is back piping.
• When performing bottom piping or left side piping, refer to
“3-4. Bottom or left side piping” on page 7.
• Right side piping cannot be performed.
3-1. Right-back piping
1) Attach the drain hose to the underside of the refrigerant pipes with
adhesive vinyl tape.
2) Wrap the refrigerant pipes and drain hose together with insulation
tape.
Recommended mounting plate
retention spots (5 spots in all)
(Bolt size: 3/8 (M10))
(Bolt size: 3/8 (M10))
Gas pipe endLiquid pipe end
Place a leveler
on these tabs.
Through-the-wall hole
φ2-9/16 (65)
unit: inch (mm)
Drain hose
position
Place the pipe port
co
ver in this pocket.
39-5/16 (998)
14-1/16 (357)
5-5/16 (135)5-9/16 (142)
13-11/16 (348)
6-5/16 (160) 5-15/16 (151)
1-15/16
(49)
3-15/16
(100)
7-7/8 (200)
4-7/8 (124)
11-15/16 (303)
1-15/16
(49)
1-15/16
(50)
8 (203) 9-3/16 (234)
2-5/8
(67)
Use a tape
measure as
shown.
Position the end
of the tape
measure at .
Inside Outside
Caulking
(field supply)
Wall embedded pipe
(field supply)
Wall hole cover
(field supply)
φ2-9/16”
(65mm)
Left back pipingRight back piping
Bind refrigerant pipe and drain hose
together with adhesive vinyl tape.
K
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