Rotenso J100Wi, Service Manual

Page: 61 / 132

LCAC R32 Series
61 Service manual
PART 4. INSTALLATION
3.2.3 Hang indoor unit
1. Please refer to the upper data to locate the four positioning screw bolt hole on the ceiling. Be sure to mark the
areas where ceiling hook holes will be drilled.
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 outdoor lines with their connection points before mounting
the unit.
3. Install hanging screw bolts.
• Cut off the roof beam.
• Strengthen the place that has been cut off, and consolidate the roof beam.
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 10cm (4”) deep at the ceiling hook positions in the internal ceiling. Be sure to 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.
9. Mount the indoor unit onto the hanging screw bolts with a block. Position the indoor unit flat using a level
indicator to prevent leaks
NOTE:
Confirm the minimum drain tilt is 1/100 or more.