Toshiba MMU-P0121H Service Manual page 26

They are not provided to the Cooling Only model.
*
(Indoor unit 1)
TC1
TC2
Air heat
exchanger
at indoor side
Check
joint
Pressure TA
sensor
(Suction
sensor)
Strainer
(Indoor unit 2)
TC1 TC2
Air heat
exchanger
at indoor side
Check
joint
Pressure
TA
sensor
(Suction
sensor)
Strainer
(Indoor unit 3)
TC1 TC2
Air heat
exchanger
at indoor side
Check
joint
Pressure
TA
sensor
(Suction
sensor)
Strainer
Packed
valve
(balancing
pipe)
(Solid line) High-pressure gas or compressed liquid refrigerant
(Dotted line) Evaporating gas refrigerant (Low-pressure gas)
Center unit (Inverter)
Propeller fan
Failure
M
Fan motor
(Right side)
Air heat exchanger at outdoor side
Strainer
Sensor
(Left side)
(TE1)
Air heat exchanger at outdoor side
Pulse motor valve A
(PMV 1 + PMV 2)
Check Solenoid valve
Pulse motor valve B
valve (SV2)
(Cooling bypass)
(PMV 3)
High-pressure
sensor
Strainer
Check joint
Sensor
(TK1)
Strainer Strainer Capillary
Oil
separator
Solenoid valve
Solenoid valve
(SV3C)
(SV42)
Liquid
Capillary
tank
Check valve
Sensor
Capillary
(TD1)
HP
High-pressure SW High-pressure
Sensor
(TK2)
Sensor
(TD2)
Compressor
Dryer
Check
Sensor Low-pressure
valve
(TK3) sensor
Oil tank
Check valve
Solenoid valve
Compressor
(SV3A) Check
case oil
valve Capillary
removal valve
Check valve
Packed Service
valve Service valves fully closed at liquid gas side.
valve
(gas side)
(liquid
side)
Temporal set up
master unit
in emergency
Pulse motor
valve A
Strainer
(PMV 1 + PMV 2)
*
4-Way valve
Capillary
Sensor
(TS)
Check
Pulse motor valve B
valve
(Cooling bypass)
Strainer
Sensor
Check
(TK1)
joint
Solenoid valve
Liquid
Capillary
tank
Capillary
HP
Accumulator
Sensor
SW
Dryer
Capillary
Solenoid
Oil tank
valve
Check
(SV3B)
valve
Solenoid valve
(SV3A)
Strainer Check valve
Packed Service
Packed
valve valve
valve
(balancing (liquid (gas side)
pipe) side) Packed
valve
(balancing
pipe)
Terminal unit (Fixed-speed)
Propeller fan
M
Fan motor
(Right side)
Air heat exchanger at outdoor side
Sensor
(Left side)
(TE1)
Air heat exchanger at outdoor side
*
4-Way valve
Sensor
Solenoid valve
(SV2)
(PMV 3)
High-pressure
sensor
Check joint
Check
Strainer Strainer Capillary
joint
Oil
separator
Solenoid
(SV3C) Check
valve Solenoid
Check
valve
valve (SV41) valve
(SV42)
Sensor
(TD1)
HP
Accumulator
High-pressure SW HP
(TK2)
High-pressure
SW
Compressor Sensor (TD2)
Check
Low-pressure
valve Sensor
(TK3) sensor
Solenoid
valve
Check
Check valve (SV3B)
valve
Compressor
Check
case oil
valve Capillary
removal valve
Strainer
Unit 2 (Fixed-speed)
Server
Packed Service
valve valve
Unit 3 (Fixed-speed)
(liquid (gas side)
side)
Packed Packed Service
valve valve valve
(balancing (liquid (gas side)
Unit 4 (Fixed-speed)
pipe) side)
Packed Packed
valve valve
(balancing (liquid
pipe) side)
(TS)
Capillary
Service
valve
(gas side)