45MBDAQ: Installation Instructions
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
20
Installation Guidelines
Wood
Different ceiling types call for different mount applications. Place the
wood mounting across the roof beam, then install the hanging screw
bolts.
Fig. 14 —Wood Mounting
New Construction
Inlay or embed the screw bolts.
Fig. 15 —New Concrete Bricks
Existing Construction
Use an embedding screw bolt, crock, and stick harness.
Fig. 16 —Original Concrete Bricks
Steel Roof Beam Structure
1. Install and use the supporting steel angle.
NOTE: The unit body must be completely aligned with the hole.
Ensure that the unit and the hole are the same size before
moving on.
Fig. 17 —Steel Roof Beam
2. Install and fit pipes and wires after you have finished installing the
main body. When choosing where to start, determine the direction of
the pipes to be drawn out. Especially in cases where there is a ceiling
involved, align the refrigerant pipes, drain pipes, and indoor and out-
door lines with their connection points before mounting the unit.
3. Install hanging screw bolts.
4. After you select an installation location, align the refrigerant pipes,
drain pipes, as well as indoor and outdoor wires with their connection
points before mounting the unit.
5. Drill 4 holes 4in (10cm) deep at the ceiling hook positions in the
internal ceiling. Hold the drill at a 90° angle to the ceiling.
6. Secure the bolt using the washers and nuts provided.
7. Install the four suspension bolts.
8. Mount the indoor unit with at least two people to lift and secure it.
Insert suspension bolts into the unit’s hanging holes. Fasten them using
the washers and nuts provided.
Fig. 18 —Secure Suspension Bolts
9. Position the indoor unit flat, using a level indicator to prevent leaks.
Fig. 19 —Position the Unit Flat
NOTE: Confirm that the minimum drain tilt is 1/100 or more.
Wood mounting
Roof beam
Hanging screw bolts
Ceiling
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