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45MBCAQ: Installation Instructions
NOTE FOR NEW HOME INSTALLATION:
When installing the unit in a new home, the ceiling hooks can be embedded in advance. Make sure that the hooks do not come loose due to concrete
shrinkage. After installing the indoor unit, fasten the installation paper template onto the unit with bolts to determine in advance the dimension and
position of the opening on the ceiling. Follow the instructions above for the remainder of the installation.
Drill Wall Hole for Connective Piping
1. Determine the location of the wall hole based on the location of the outdoor unit.
2.
Drill a hole in the wall, 9K, 12K, 18K model using a 2.56in (65mm) core drill, 24K, 36K, 48K model using a 3.54in (90mm) core drill. Make
sure that the hole is drilled at a slight downward angle, so that the outdoor end of the hole is lower than the indoor end by about 0.5in (12mm).
This will ensure proper water drainage.
3. Place the protective wall cuff in the hole. This protects the edges of the hole and will help seal it when you finish the installation process.
When drilling the wall hole, make sure to avoid wires, plumbing, and other sensitive components.
Connect Drain Hose
The drainpipe is used to drain water away from the unit. Improper installation may cause unit and property damage.
• Insulate all piping to prevent condensation, which could lead to water damage.
• If the drainpipe is bent or installed incorrectly, water may leak and cause a water-level switch malfunction.
• In HEAT mode, the outdoor unit will discharge water. Ensure that the drain hose is placed in an appropriate area to avoid water
damage and slippage.
• DO NOT pull the drainpipe forcefully. This could disconnect it.
NOTE ON PURCHASING PIPES
Installation requires a polyethylene tube
(exterior diameter = 1in (25mm)), which can be obtained at your local hardware store or dealer.
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
Water
level
Fig. 11 —Level Unit to Avoid Water Leakage
Fig. 12 —New Home Installation
CAUTION
Wall
0.5 in
/ 12mm
Fig. 13 —Drill Wall for Connective Piping
CAUTION
15
Paper pattern for
installation
Center of the
ceiling openiing
bolts
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