Refrigerant System Diagram - Mitsubishi Electric Mr.SLIM PEH Series Technical & Service Manual

7

REFRIGERANT SYSTEM DIAGRAM

PEH-2.5EKHA .TH/PUH-2.5 VKA
2
PEH-3EKHA .TH/PUH-3 VKA
2
PUH-3 YKA
Indoor unit
Indoor
heat
exchanger
Restrictor
Thermistor
TH2
Distributor
with strainer
Capillary
PEH-2.5 (O.D. 3.2 I.D. 1.8 -R430)
PEH-3 (O.D. 4.2 I.D. 2.0 -R400)
PEH-4EKHSA .TH/PUH-4YKSA
2
Indoor unit
Indoor
heat
exchanger
Restrictor
Thermistor
TH2
Distributor
with strainer
Capillary
PEH-4 (O.D. 4.0 I.D. 2.4 -R550)
PEH-5EKHSA .TH/PUH-5YKSA
2
Indoor unit
Indoor
heat
exchanger
Restrictor
Thermistor
TH2
Distributor
with strainer
Capillary
PEH-5 (O.D. 4.0 I.D. 3.0 -R330)
(.UK)
2
(.UK)
2
(.UK)
2
Refrigerant pipe
(option)
15.88mm( 5/8¨)
(With heat insulator)
Flexible tube
Flared
Strainer
connection
valve
Refrigerant pipe
(option)
9.52 mm( 3/8¨)
tube (With heat insulator)
( .UK)
3 2
Refrigerant pipe
(option)
19.05mm( 3/4¨)
(With heat insulator)
Flexible tube
Flared
Strainer
connection
valve
Flexible tube
Refrigerant pipe
(option)
9.52 mm( 3/8¨)
tube
(With heat insulator)
( .UK)
3 2
Refrigerant pipe
(option)
19.05mm( 3/4¨)
(With heat insulator)
Flexible tube
Flared
Strainer
connection
valve
Flexible tube
Refrigerant pipe
(option)
9.52 mm( 3/8¨)
tube
(With heat insulator)
Refrigerant flow in cooling
Refrigerant flow in heating
Oil separator
Service
4-way valve
port
Ball Valve
Strainer
Service
port
Accumulator
Compressor
Ball Valve
(with service port)
Oil separator
Service
4-way valve
port
Ball Valve
Strainer
Service
port
Accumulator
Compressor
Ball Valve
(with service port)
Oil separator
Service
4-way valve
port
Ball Valve
Strainer
Service
port
(check)
Accumulator
Compressor
Ball Valve
(with service port)
R.V.coil
Heating:ON
Cooling:OFF
High pressure
control switch
Outdoor unit
Outdoor heat exchanger
Bypass valve
Restrictor
valve
PUH-2.5
(O.D. 4.0 I.D.2.4 -R1550)
Strainer
PUH-3
(O.D. 4.0 I.D.2.4 -R1070)
High pressure
control switch
Outdoor unit
Outdoor heat exchanger
Bypass valve
Strainer
High pressure
control switch
Outdoor unit
Outdoor heat exchanger
Bypass valve
Capillary tube
Strainer
THERMAL
SWITCH
Unit : mm
Thermistor
RT
Capillary
tube
Thermistor
RT
Restrictor
valve
Capillary
tube
PUH-4
(O.D. 3.2 I.D. 2.0
-R820) 2pcs
Thermistor
RT
Restrictor
valve
Capillary
tube
PUH-5
(O.D. 4.0 I.D. 2.4
-R840) 2pcs
19