3. Conrming supplied accessories
3.1. Check the Branch Box accessories and parts
No. Accessory name
Q’ty
Remarks
PAC-
MKA53BC
PAC-
MKA33BC
1
Washer
(with insulation)
44
2
Washer 44
3
Pipe cover (Liquid) 1 1 To outdoor unit
4
Pipe cover (Gas) 1 1 To outdoor unit
5
Pipe cover (Liquid) 5 3 To indoor units
6
Pipe cover (Gas) 5 3 To indoor units
7
Joint cover (Liquid) 3 1
8
Joint cover (Gas) 3 1
9
Band 24 16
0
Conduit plate 11
Fastened to the main body
and shipped.
Fig. 3-1
5 6
2. Selecting a location for installation
* The branch box is only for indoor use.
Please attach the special optional cover to install the branch box in the
outdoors.
• Ensure that the branch box is installed above the ceiling of corridor, bath
room, etc., where persons are not regularly there.
Do not install near bed rooms, living rooms, etc. The sound of refrigerant
owing through the piping may sometimes be audible.
Also, do not install where maintenance cannot be carried out.
• Ensure that it is located where noise in operation will not be a problem.
After power is supplied or after an operation stop for a while, a small clicking
noise may be heard from the inside of the branch box. The linear expansion
valve is opening and closing. The unit is not faulty.
• Ensure that the branch box is installed in a location which facilitates servicing
and maintenance. (ensure that the required maintenance hole or service space
is available).
• Determine the route of refrigerant piping, and electrical wiring beforehand.
• Ensure that the location of the installation is such that the length of refrigerant
pipingiswithinthespeciedlimits.
* Ensure that the unit is installed in a location able to support its weight.
Warning:
Ensure that the unit is installed rmly in a location able to support its weight.
If the installation is of insucient strength the unit may fall, resulting in in-
jury.
• Do not install in location that is hot or humid for long periods of time.
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