Carrier 40MB*C Installation Instructions Manual page 9

1.3 Install the indoor unit
When installing optional accessories, read the installation
manual for the optional accessories. Depending on the field
conditions, it may be easier to install optional accessories before
the indoor unit is installed (except for the decoration panel).
However, for existing ceiling, install the fresh air inlet component kit
and branch duct before installing the unit.
1) Install the indoor unit temporarily.
- Attach the hanger bracket to the suspension bolt. Be sure to
fix it securely by using a nut and washer from the upper and
lower sides of the hanger bracket.
Secure the hanger bracket see figure below.
2)
1
2
I Nut (field supply)
2 Washer (field supply)
3 Hangerbracket
4 Double nuts (field supply,tighten)
Fix the paper pattern for installation. (For new ceilings only)
- The paper pattern for installation corresponds with the
measurements of the ceiling opening. Consult the builder for
details.
The centre of the ceiling opening is indicated on the paper
pattern for installation.
After removing the packaging material from the paper patten for
installation, attach the paper pattern for installation to the unit
with the attached screws as shown in figure below.
4)
S)
Check if the unit is horizontally _eveHed.
Do not install the unit tilted. The indoor unit is equipped with a
built-in drain pump and float switch. (If the unit is tilted against
the direction of the condensate flow (the drain piping side is
raised), the float switch may malfunction and cause water to
drip.)
Check if the unit is levelled at all four corners with a water level
or a water-filled vinyl tube as shown in figure below.
I
2
1
2
Water level
Vinyl tube
Remove the paper pattern for installation. (For new ceiling
only).
3)
I Paper patternfor installation(onsome models)
2 Center of the ceiling openiing
3 Screws(suppliedwith the decoration panel)
Adjust the unit to the right position for installation.
(Refer to the chapter "Preparations before installation" on page 5.)
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