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Mitsubishi Electric Air Conditioner CITY MULTI
CMY-R100CBK2
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
WT06631X01
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Summary of Contents for Mitsubishi Electric CITY MULTI CMY-R100CBK2
- Page 1 Mitsubishi Electric Air Conditioner CITY MULTI CMY-R100CBK2 Twinning Kit Installation Manual WT06631X01 • 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-R100CBK2). 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. (1) Package contents 7 High-pressure 8 High-pressure...
- Page 3 (2) Low-pressure twinning kit in CMY-R100CBK2 Use c in table "(1) Package Contents." Attach items d , e , and f to the stop valve sheet metal and then to the low- pressure twinning kit to hold it into place. 1.
- Page 4 (6) The length of the straight pipe between indoor units and the twinning pipe (high-pressure pipe) Use the pipes supplied in the twinning kit, and make sure the section of the field-supplied pipe that connects to the twinning pipe has at least 500 mm [19-11/16 in] of straight section. (The section of the field-supplied pipe that connects to the twinning pipe must have at least 500 mm [19-11/16 in] of straight section.) If the straight section is less than 500 mm [19-11/16 in], it may result in equipment damage.