Parts Replacement Procedures - Mitsubishi Electric e Series Service Handbook

[ IX Troubleshooting ]

[5] Parts Replacement Procedures

WARNING
Do not use refrigerant other than the type indicated in
the manuals provided with the unit and on the
nameplate.
• Doing so may cause the unit or pipes to burst, or result in
explosion or fire during use, during repair, or at the time of
disposal of the unit.
• It may also be in violation of applicable laws.
• MITSUBISHI ELECTRIC CORPORATION cannot be held
responsible for malfunctions or accidents resulting from the
use of the wrong type of refrigerant.
Water heat exchanger (1 system)
(Plate type)
Electronic expansion valve H
(1A, 1B, 2A, 2B)
Water heat exchanger (2 system)
(Plate type)
Check joint (2B)
Check joint (1B)
Check joint (2B)
Check joint
(1B)
Check joint
(1A)
Check joint (2A)
INJ electronic expansion valve
(1A, 1B, 2A, 2B)
EAHV type
HWE20010
Electronic expansion valve C
(1A, 1B, 2A, 2B)
Control box 2 Control box 1
1A
1B
2A
2A
2B
2B
Compressor (2A)
Compressor (2B)
Check joint (2A)
Check joint (1A)
Strainer
Accumulator
(2A)
Accumulator (2B)
Refrigerant tank (2A)
Refrigerant tank (2B)
<Standard piping type>
Cooling fan
1B 1A
Compressor (1A)
Compressor (1B)
High pressure sensor
High voltage switch
Accumulator (1A)
Accumulator (1B)
Refrigerant tank (1A)
Refrigerant tank (1B)
- 136 -
Breaker box
Sensor section details
Low pressure sensor
GB