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ESIE16-02K
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Part 5. Appendix
5.3.2. Outdoor unit
5.3.2.1. 2MXM40M
Branch pipe
7.0CuT
7.0CuT
Heat exchanger thermistor
9.5CuT
9.5CuT
4-way valve
ON: heating
Muffler
Discharge pipe thermistor
Compressor
5.3.2.2. 3MXM68M, 3MXM68N(9)
Heat exchanger
7.9CuT
7.9CuT
7.9CuT
12.7CuT
7.9CuT
Refnet header
Propeller fan
15.9CuT
12.7CuT
Muffler
Discharge pipe thermistor
Refrigerant flow
Compressor
Cooling
Heating
31/05/21
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Version 1.1
RA R32 Split & multi split M-Series
Figure 5-42: Piping diagram - outdoor unit 2MXM40M
Outdoor air temperature thermistor
Heat exchanger
6.4CuT
Twin-branched muffler
4.8CuT
4.8CuT
Fan motor
Propeller fan
9.5CuT
Muffler
9.5CuT
9.5CuT
Branch pipe
Accumulator
Figure 5-43: Piping diagram - outdoor unit 3MXM68M, 3MXM68N(9)
Outdoor air temperature thermistor
Heat exchanger thermistor
7.9CuT
Distributor
Capillary tube
Fan motor
12.7CuT
4-way valve
9.5CuT
High pressure switch
Manual reset
Automatic reset
15.9CuT
Accumulator
Motor-operated valve
EV
A
6.4CuT
Branch pipe
Filter
6.4CuT
Motor-operated valve
EV
B
Thermistor (gas)
9.5CuT
9.5CuT
Muffler
Gas stop valve
Thermistor (gas)
9.5CuT
Muffler
Gas stop valve
Electronic expansion valve
Refnet header
7.9CuT
7.9CuT
9.5CuT
9.5CuT
7.9CuT
SV
6.4CuT
9.5CuT
Solenoid valve
9.5CuT
Muffler with filter
9.5CuT
12.7CuT
Liquid stop valve
15.9CuT
9.5CuT
Refnet header
12.7CuT
12.7CuT
Muffler
Muffler
12.7CuT
Gas stop valve
Accumulator
12.7CuT
Thermistor (liquid)
Muffler with filter
6.4CuT
6.4CuT
Muffler
Liquid stop valve
Field piping
Liquid
Thermistor (liquid)
Muffler with filter
6.4CuT
Muffler
Liquid stop valve
Filter
Room A
(9.5CuT)
Field piping
Gas
Room B
(9.5CuT)
Refrigerant flow
Cooling
Heating
Thermistor (liquid)
Filter
MV
A
6.4CuT
MV
B
6.4CuT
MV
C
6.4CuT
Field piping
Gas
Thermistor (gas)
A
Room
(9.5CuT)
B
Room
(12.7CuT)
C
Room
(12.7CuT)
5.3. Piping diagram
Room A
(6.4CuT)
Room B
(6.4CuT)
Room
A
(6.4CuT)
Field piping
Liquid
Room
B
(6.4CuT)
Room
C
(6.4CuT)
Page 119
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