Mitsubishi Electric Mr.Slim PKH-2FKA Technical & Service Manual page 27

PKH-2FKA
3
PKH-2.5FKA , PKH-2.5FKA
2
Indoor unite
Indoor
heat
exchanger
Restrictor
Thermistor
valve
RT2
Distributor
with
strainer
Capillary
tube
PKH-2FKA O.D.3.2oI.D.1.6-L300
PKH-2.5FKA O.D.3.2oI.D.1.8-L430
PKH-3FKA , PKH-3FKA
2
Indoor unite
Indoor
heat
exchanger
Restrictor
Thermistor
valve
RT2
Distributor
with
strainer
Capillary
tube
O.D.4.0oI.D2.0-L500
PKH-4FKSA , PKH-4FKSA
2
Indoor unite
Indoor
heat
exchanger
Thermistor
Restrictor
RT2
valve
Distributor
with
strainer
Capillary
tube
O.D.4.0oI.D.2.0-L400
/ PUH-2NKA
1
/ PUH-2.5NKA
3
Refrigerant pipe
(option)
15.88mm([5/8")
(with heat insulator)
Flexible tube
Flared
Strainer
connection
Accumulator
Ball valve
Refrigerant pipe
(with service port)
(option)
9.52mm([3.8")
(with heat insulator)
/ PUH-3NKA , PUH-3NKA
3 1
Refrigerant pipe
(option)
15.88mm([5/8")
(with heat insulator)
Flexible tube
Flared
Strainer
connection
Ball valve
Refrigerant pipe
(with service port)
(option)
9.52mm([3.8")
(with heat insulator)
/ PUH-4TKSA
3
Refrigerant pipe
(option)
19.05mm([3/4")
Ball valbe
(with heat insulator)
Flexible tube
Flared
Strainer
connection
Ball valve
Refrigerant pipe
(with service port)
(option)
9.52mm([3.8")
(with heat insulator)
, PUH-2NKA
2
, PUH-2.5NKA
1 2
Oil separator
Service
port
4-way valbe
(check)
Ball valbe
Strainer
Service
port
(check)
Compressor
PUH-2NKA O.D.3.2oI.D.1.2-L1250
PUH-2.5NKA O.D3.2oI.D.1.2-L1300
2
Oil separator
Service
port
4-way valbe
(check)
Ball valbe
Strainer
Service
port
(check)
Compressor
Accumulator
O.D.3.2oI.D.1.2-L1250
1 High pressure
Oil separator
control switch
Service
4-way valbe
port
Strainer
Service
port
Compressor
Accumulator
Capillary
tube
O.D.3.2oI.D.1.2-L1250
27
Refrigerant flow in cooling
Refrigerant flow in heating
R.V.coil
High pressure
heating ON
control switch
Outdoor unit
Outdoor heat exchanger
Bypass
valve
Muffler
Capillary Restrictor
tube valve
Strainer
PUH-2NKA O.D.4.0oI.D.2.0-L430
PUH-2.5NKA O.D.4.0oI.D.2.4-L1050
High pressure
control switch
Outdoor unit
Outdoor heat exchanger
Bypass
valve
Muffler
Capillary Restrictor
tube valve
O.D.4.0oI.D.2.4-L600
Strainer
Outdoor unit
Outdoor heat exchanger
Bypass
valve
Muffler
(O.D.3.2oI.D.2.0-L820)o2
Restrictor valve
Strainer
Unit : mm
OFF
Thermistor
RT
Capillary
tube
Thermistor
RT
Capillary
tube
Thermistor
RT
Restrictor
valve
Capillary
tube