Mitsubishi PAC-SJ41TM-E Installation Manual

RG79Y810H01
Package air-conditioner Optional parts
Installation Manual of MULTI-FUNCTIONAL CASEMENT
PAC-SJ41TM-E
Safety precautions
●Before installation, make sure you read all the "Safety precautions".
●The precautions herein provide very important points regarding safety. Make sure you follow them.
●Symbols used in this manual are categorized as follows according to the degree of risk when used improperly:
Warning Describes precautions that must be observed to prevent danger of injury or death of the user.
Caution
Describes precautions that must be observed to prevent damage to the unit.
●After installation, describe the user "Safety precautions", how to use, and how to care for and clean the unit following the operation manual,
and test run the unit to confirm whether there are any problems.
In addition, direct the user to keep this installation manual together with the operation manual, and, should the users change, to give the manuals
to the new user.
Ask the dealer or an authorized technician to install the unit.
●If the unit is installed improperly by the user, water leakage, electric
shock, or fire may result.
Do not place polyethylene bags in reach of young children.
●Putting them over head will block breathing passages, which could
result in suffocation.
Before installation (Relocation) and electrical work
Do not use the unit in an unusual environment.
●If used in an environment with a large amount of volatile oil (including
mechanical oil), steam, or sulfidizing gas or where it is high in salt
content such as a seashore where the outdoor unit may become
blocked by snow, performance may drop significantly or parts may
become damaged.
Drain piping must be done properly according to the installation
manual to drain water and must be heat insulated to prevent
bedewing.
●If piping is not properly installed, water leakage may result, which
will make the ceilings, floors, or other household items wet.
1 Parts check
(The unit is provided with this manual and following parts in the box.)
MULTI-FUNCTIONAL CASEMENT
Part #, Multi-functional Screw with
1 2 3
Name casement washer (black)
Q'ty 1 4 M5×0.8×25 8
Figure
NOTICE
(1) When taking in fresh air from outside, use the PAC-SH65OF-E duct flange (optional).
In addition, procure following items at local site: duct fan, duct, and dust collecting filter.
Intake-air volume should be 20% or less of indoor unit air volume.
Note: It is available of fresh-air intake even when the High-efficiency filter element is installed.
(2) Follow the procedure in this installation manual of the Multi-functional casement 1.
Otherwise, it is possible that installation of refrigerant pipes, drain pipe, and electrical wiring will not be available.
Warning
Installation must be properly done following this installation manual.
●If the unit is installed improperly, water leakage, electric shock, or fire
may result.
Caution
Make sure that heat insulation for refrigerant piping is properly
installed to prevent bedewing.
●If heat insulation is not done properly, bedewing of the surfaces such
as piping may result, which will make the ceilings, floors, or other
valuable items wet.
●Insulation for the joint part must be done after an airtightness test.
Use proper electrical cables to meet the standard for current capacity.
●If improper electrical cables are used, short circuit, electric shock, or
fire may result.
Grille securing
Screw 4
bracket
M5×0.8×12 4
With insulator
2 Installation of Main unit
●Follow the procedure in the installation manual which is attached to the main unit.
3 Installation of Multi-functional casement
Preparation before installation
●An optional part Shutter plate to change the number of air outlet is to be installed on the main unit of the indoor unit;
thus install the shutter plate before installing the Multi-functional casement 1.
●The Multi-functional casement 1 has 4 knockout on each side so that the fresh air can be taken from any of four sides.
Select any one or two sides in advance and make knockout holes on the Multi-functional casement 1.
Knockout hole position for fresh-air intake.
Electrical work of main unit
●Be sure to do the wiring (indoor/outdoor unit connection cable,
remote controller cable, etc.) before installing the Multi-functional
casement 1:
Note: Wiring after installing the Multi-functional casement 1 will be difficult.
Temporary installation
Note: Be sure to use two persons for this work.
●Fix the 2 screw with washer (black) 2 to each position.
(drain pipe corner position and to its opposite corner).
●Align the direction of the Multi-functional casement 1 according to the
label for checking the installation position attached inside the
Multi-functional casement 1.
Note: If installed in improper direction, parts damage, wind leakage,
or dew drop may result.
●Hook the hole of the Multi-functional casement 1 to the
screw with washer (black) 2 and hand tight.
Fixing
●Temporarily secure the 2 screws with washers 2, and
also the other 2 screws with washers 2, and then tighten
these screws with washers 2 after making sure that the position
of Multi-functional casement 1 is correct.
Temporarily secure the 4 screws with washers.
● Tightening the screws without temporarily securing
Caution
them could damage the screws with washers, or
cause air leakage.
When tightening the screw with washer 2, tighten it
at a torque of 2.8 to 3.6 N•m (2.1 to 2.6 ft•lbs) or less.
Caution
Never use an impact screwdriver.
● It may result in parts damage.
1
Making knockout holes
Remove the plate.
●Be sure to use the PAC-SH65OF-E (optional) for duct flange.
Refrigerant pipe
Main unit
Multi-functional
Screw with
casement plates
washer 2
(at 4 corners)
(Hand tightening)
Multi-functional
casement 1
Screw with
Note: The label for checking
washer 2
installation position is
inside the Multi-functional
casement.
Drain pipe
2