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Mitsubishi Electric CMY-Q100CBK Installation Manual

Air conditioner city multi twinning kit
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Mitsubishi Electric Air Conditioner CITY MULTI
CMY-Q100CBK
Twinning Kit Installation Manual
• For your safety, thoroughly read the following instructions prior to installation.
• Thoroughly read the following "Safety Precautions" to ensure proper installation.
• Observe the following important safety precautions at all times.
• Hazards that can occur from incorrect handling are classified by the symbols below:
WARNING
Incorrect handling can result in death or serious injury.
CAUTION
Incorrect handling can result in bodily injury and/or structure damage.
Only a dealer or qualified technician should
perform installation.
• Improper installation may result in refrigerant gas leakage and
equipment damage.
Do not make any modifications or alterations.
Consult your dealer for repair.
• Improper installation may result in water leakage, electric shock,
or fire.
In the event of a refrigerant leak, thoroughly
ventilate the room.
• If refrigerant leaks and comes in contact with an open flame,
toxic gases will be generated.
Properly dispose of packing materials.
• Plastic bags can pose suffocation and choking hazards: keep
them out of the reach of children. Tear the plastics bags before
disposing of them.
* See the Installation Manual that came with the outdoor unit for installation instructions.
Safety Precautions
WARNING
Properly install all parts according to the
instructions in the Installation Manual.
• If the wrong twinning pipe or wrong size connecting pipe is used,
air conditioning performance will suffer.
When installing or relocating the unit, check that
no substance other than the specified refrigerant
(R410A) enters the refrigerant circuit.
• Any presence of foreign substance or air can cause abnormal
pressure rise or explosion.
After installation, check for a refrigerant leak.
• If leaked refrigerant comes in contact with a heat source, such
as a fan heater, stove, or electric grill, toxic gases will be
generated.
CAUTION
Do not touch the refrigerant pipes and refrigerant
circuit components with bare hands during and
immediately after operation.
• During or immediately after operation, certain parts of the unit
such as pipes and compressor may be either very cold or hot,
depending on the state of the refrigerant in the unit at the time.
To reduce the risk of frostbites and burns, do not touch these
parts with bare hands.
1
WT06204X03

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  Summary of Contents for Mitsubishi Electric CMY-Q100CBK

  • Page 1 Mitsubishi Electric Air Conditioner CITY MULTI CMY-Q100CBK Twinning Kit Installation Manual WT06204X03 • For your safety, thoroughly read the following instructions prior to installation. Safety Precautions • Thoroughly read the following “Safety Precautions” to ensure proper installation. • Observe the following important safety precautions at all times.
  • Page 2 1. Confirming the Package Contents The following items are included with the Twinning Kit (CMY-Q100CBK). Verify that all items are present before starting installation. * Always use the twinning pipes included in the kit when preparing the twinning kit. If the field-supplied pipes do not fit the parts in the kit, use the accessory piping parts listed below.
  • Page 3 (2) Connecting the twinning pipe kit (1) Braze the high-pressure pipe ( 6 ) to the refrigerant service valve. (2) Screw down the low-pressure twinning pipe kit ( 1 ) to the sheet metal of the refrigerant service valve with the screws ( 3 ), and braze it to the refrigerant service valve.
  • Page 4 4. Insulation Cover Installation Install the insulation cover on the twinning kit after brazing the pipes and twinning kit. Insulate all refrigerant pipes. Insulate the high-pressure and low-pressure pipes separately, and pipes located inside the unit as well as the outside. Use heat-resistant insulation material (Heat resistant : at least 120°C [248°F], Thickness: high-pressure = 10 mm [13/32 in.], low-pressure = 20 mm [13/16 in.] ).