Install Ceiling Cassette - LG MULTI F Installation Manual
Multi-zone heat pump systems
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- Engineering manual (224 pages) ,
- Installation manual (65 pages) ,
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MULTI
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Figure 9: Installing the Hanging Bolt in the Ceiling.
For New Ceilings
1. Use a sunken insert, a sunken anchor, or any other field-supplied part to reinforce the
ceiling so that it can bear the weight of the indoor unit. Use a temporary washer plate
to more easily set up the unit suspension location.
2. Ceiling height is shown on the side of the installation guide (template). Adjust the
height of the unit accordingly. Adjust the clearance before hanging the indoor unit.
3. Refer to the installation guide (template) for the dimensions to the ceiling opening.
Match the center of the indoor unit (labeled) to the center indicated on the installation
guide.
4. Align the installation guide (template) with the label attached to the unit (affixing the
template to the unit if desired) to properly place the unit.
5. Remove the temporary washer plate and position the indoor unit hanger brackets
on the bolts. Secure with nuts and washers on the top and bottom of the hanger
brackets.
6. Ceiling-cassette indoor units are equipped with a built-in drain pump and float switch,
therefore, the unit must be installed horizontally or condensate will drip out and cause
product malfunction. Measure the unit at each corner to verify that it is level.
7. Remove the installation guide (template).
For Existing Ceilings
1. Use anchors when installing the indoor unit in an existing ceiling.
2. Ceiling height is shown on the side of the installation guide (template). Adjust the height of the unit accordingly. Adjust the clearance
before hanging the indoor unit.
3. Remove the temporary washer plate and position the indoor unit hanger brackets on the bolts. Secure with nuts and washers on the top
and bottom of the hanger brackets.
4. Ceiling-cassette indoor units are equipped with a built-in drain pump and float switch, therefore, the unit must be installed horizontally or
condensate will drip out and cause product malfunction. Measure the unit at each corner to verify that it is level.
5. Remove the installation guide (template).
GENERAL INSTALLATION GUIDELINES
Ceiling
Anchor
Long nut or turnbuckle
Suspension bolt
Ceiling tile
Due to our policy of continuous product innovation, some specifications may change without notification.
©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. "LG" is a registered trademark of LG Corp.
Figure 10: Installation Diagram.
Leave 1-9/16 inches of the bolt
beneath the bracket
Ceiling tile
Leave a space of 1-3/16 inches ± 1/8 inches
between the bottom of the indoor unit and the
ceiling
Installation Guide
(template)
Figure 11: Hanging the Indoor Unit.
Hanging bolt
(W3/8 or M10)
Nut
(W3/8 or M10)
Spring washer
(M10)
Install Ceiling Cassette
Ceiling
Indoor Unit
Ceiling tile
Install the four screws
at the location marked on the
template
Open the ceiling tiles that are
along the outside edge of the
installation guide.
Flat washer for M10
(field supplied)
Flat washer for M10
(field supplied)
Nut
(W3/8 or M10)
21
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- Refrigerant Charge
- Error Codes
- Troubleshooting
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