Toshiba MMY-MUP1201HT8P-A User Manual

4-5-2. (1) Refrigerant Flow (Automatic emergency heating)
Header Unit (MMY-MUP2401*)
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
4-way valve
Low-pressure
sensor
Accumulator
TS1
TL2
PMV1
TG3
TS3
SV3D
SV41
TD1 TD2
TL3
Check joint Check joint
TC2 TCJ TC1
Heating
TK1 TK2
PMV3
PMV4
Oil separator
Compressor 1
(Inverter)
Compressor 2
(Inverter)
SV
SV42
SV3F
SV SV
SV
TC2 TCJ TC1
Heating
TC2 TCJ TC1
Heating
TC2 TCJ TC1
Heating
Follower Unit (MMY-MUP1401*)
M
Fan
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
TO
TS3
TL3
PMV2
PMV4
Trouble header outdoor unit
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)
4-way valve
PMV1
PMV2
PMV3
PMV4
OFF
CLOSE
CLOSE
CLOSE
CLOSE
SV3D
SV3F
SV4(n)
Outdoor fan
OFF
OFF
OFF
OFF
Temporal header outdoor unit
4-way valve
PMV1
PMV2
PMV3
PMV4
OFF
Control
Control
Control
Control
SV3D
SV3F
SV4(n)
Outdoor fan
Control
Control
Control
Control
The outdoor unit which communication line between indoor and outdoor is connected is the "Header unit".
Other outdoor units are called “Follower units”.
Leakage from PMV㧦
Liquid-side service
valve = Full closure
Leakage from PMV㧦
Liquid-side service
valve = Full closure
Set Up as Temporary
Header Unit during
Emergency Operation
Accumulator
High-
pressure
switch
TD1
TK1
Oil separator
Compressor
(Inverter)
SV3F
SV
SV41
SV
SV3D
SV
Gas-side service valve
= Full open
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Toshiba MMY-MUP1201HT8P-A Specifications

General

Brand	Toshiba
Model	MMY-MUP1201HT8P-A
Category	Air Conditioner
Language	English