Mitsubishi Electric M-SERIES, Manual

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M series MULTI SYSTEM Inverter Heat Pump
MUL
TI
SYSTEMS
REFRIGERANT
SYSTEM
DIAGRAM
C-504
Indoor unit
E
Stop valve
(with service port)
Stop valve
Power
receiver
LEV A
LEV B
LEV C
LEV D
Oil separator
Compressor
Muffler
4-way valve
LEV F
Indoor unit
D
Indoor unit
C
Indoor unit
B
Indoor unit
A
Indoor unit
B
Indoor unit
C
Indoor unit
D
Indoor unit
A
Capillary tube
Capillary tube
Discharge
temperature
thermistor RT62
Strainer
#100
Strainer
#100
Strainer
#100
Strainer
#100
Strainer
#100
LEV E
Indoor unit
E
Strainer
#100
R.V. coil
OFF
ON
Refrigerant flow in cooling
Refrigerant flow in heating
Strainer
#100
Distributor
Outdoor
heat
exchanger
Capillary tube
Defrost
thermistor
RT61
Outdoor heat
exchanger
temperature
thermistor
RT68
Ambient
temperature
thermistor
RT65
High-pressure
switch
MXZ-5B100VA
Unit: mm
MXZ-8A140VA (and Branch Box)
Thermistor TH6
(Pipe temperature : condenser)
Thermistor TH7
(Outdoor temperature)
Thermistor TH3
(Pipe temperature : liquid)
Strainer
#100
Strainer
#100
Oil separator
Low
pressure
switch
63L
High
pressure
switch
63H
Compressor
Thermistor TH4
(Discharge temperature)
Thermistor TH8
(Fin temperature)
Strainer
#100
Strainer
#50
Check valve
(High Pressure)
Check valve
(Low Pressure)
Capillary
tube3
Capillary
tube4
Capillary
tube2
Capillary
tube1
E
D
C
B
A
Strainer
#100
Condenser/evaporator
temperature thermistor
(TH5 or RT12)
Pipe temperature
thermistor/liquid
(TH2 or RT13)
Strainer
#100
Indoor units Branch box Outdoor unit
Thermistor (TH-A~E)
(Gas pipe temperature)
LEV A~E
(Linear expansion valve)
Room temperature
thermistor (TH1 or RT11)
Service port
Service port
Ball valve
Stop valve
Bypass valve(SV2)
Bypass valve (SV1)
High pressure sensor
discharge pressure sensor
63HS
Accumulator
4-way valve
Distributor
with Strainer
Refrigerant flow in cooling
Refrigerant flow in heating
Outdoor unit MXZ-8A140VA
PAC-AK50BC
PAC-AK30BC
Branch box
Capillary tube 1
(For return of oil
from oil separator)
Capillary tube 2
(For SV2)
Capillary tube 3
ahead of LEV
(in cooling mode)
Capillary tube 4
behind LEV
(in cooling mode)
:
2.5
%
:
0.8
%
L1000
:
4
%
:
2.4
%
L250
(
:
4
%
:
2.4
%
L140)
%
5 (
:
4
%
:
2.2
%
L130)
%
5
(
:
4
%
:
2.4
%
L140)
%
3 (
:
4
%
:
2.2
%
L130)
%
3
unit: mm