11
4-6. Refrigerant Flow (Reclaim)
Header Unit (MMY-MUP2401HT8-C)
Trouble
M
Fan
M
Fan
Left side
Left side
Main heat exchanger
Main heat exchanger
Right side
Right side
Main heat exchanger
Main heat exchanger
Left side
Main heat exchanger
Right side
Main heat exchanger
Right side
Right side
Sub heat exchanger
Sub heat exchanger
Right side
Sub heat exchanger
Left side
Left side
Sub heat exchanger
Sub heat exchanger
Left side
Sub heat exchanger
Fan motor
Fan motor
Fan motor
TE1
TG1
TG2
TE2
TE3
PMV2
TL1
Inverter heat sink
Subcool
Heat Exchanger
High-
pressure
switch
High-
pressure
switch
High-pressure
sensor
Check joint
Check joint
Check joint
Check joint
4-way valve
Low-pressure
sensor
Accumulator
Accumulator
TS1
TL2
PMV1
TG3
TS3
SV3D
SV41
TD1
TD2
TL3
Check joint
Check joint
TC2
TCJ
TC1
Cooling
TK1
TK2
PMV3
PMV4
Oil separator
Compressor 1
(Inverter)
Compressor 2
(Inverter)
SV
SV42
SV3F
SV
SV
SV
TC2
TCJ
TC1
Cooling
TC2
TCJ
TC1
Cooling
TC2
TCJ
TC1
Cooling
Follower Unit (MMY-MUP1401HT8-C)
M
FAN On
Main heat exchanger
Main heat exchanger
Main heat exchanger
Sub heat exchanger
Sub heat exchanger
Sub heat exchanger
TE1
TG1
TG2
TE2
TL1
Inverter heat sink
Subcool
Heat Exchanger
High-pressure
sensor
4-way valve
Low-pressure
sensor
TS1
TL2
TO
PMV1 Open
TO
TS3
TL3
PMV2
Open
PMV4 Open
High-pressure gas refrigerant
(38 HP system described in the example of (24 HP + 14 HP))
Condensate liquid refrigerant
Evaporative gas refrigerant (Low pressure)
Low-pressure circuit (Refrigerant recover line)
Outdoor Unit
4-way valve
PMV1
PMV2
PMV3
PMV4
OFF
Control
Control
Control
Control
SV3D
SV3F
SV4(n)
Outdoor fan
Control
Control
Control
Control
High-
pressure
switch
TD1
TK1
Oil separator
Compressor
(Inverter)
SV3F On
SV
SV41 On
SV
SV3D On
SV
Liquid-side service valve
=Full closure