Mitsubishi Heavy Industries SRRM40HENG-L, Руководство пользователя

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FDC-HKX
786
Models FDCP140HKXE2B
FDCJ 140HKXE2B
(2) Function of thermistor
Th
I-R
Th
O-A
Th
O-R
Th
O-D
Th
O-C
: Fan control in heating, or frost prevention in cooling. : For heating and cooling to low outdoor temp., for
control of defrosting.
: For control of defrosting. : For control of discharge gas temperature. : For control of temperature under the dome.
Notes (1) Preset point of protective devices
63H
1
63H
2
· OFF 2.94 MPa (30kgf/cm
2
), ON2.35MPa (24kgf/cm
2
)(For protection)
· OFF 2.50 MPa (25.5kgf/cm
2
), ON2.06MPa (21kgf/cm
2
)(For heating FMo and control of
high pressure)
63H
1
63H
2
· OFF 3.24 MPa (33kgf/cm
2
), ON2.65MPa (27kgf/cm
2
)(For protection)
· OFF 2.79 MPa (28.5kgf/cm
2
), ON2.26MPa (23kgf/cm
2
)(For heating FMo and control of
high pressure)
FDCJ type: FDCP type:
Outdoor unit
Heat exchanger
Compressor
Receiver
High pressure switch(63H
2
)
(For fan motor control)
High pressure switch(63H
1
)
(For protection)
4-way valve
Service valve (Flare connecting)
Expansion valve
Thermistor (Th
O-A
)
(Th
O-R
)
Cooling cycle
Heating cycle
Servicevalve
(Flare connecting)
Check Joint
Check valve
Sub-cooling coil
Thermistor
Thermistor
Strainer
Thermistor (Tho-c)
(SV1)
Suction
Strainer
Brazing
[To next units by turn]
(
φ
19.05)
Capillary tube
Liquid line (
φ
12.7)
Gas line
Brazing
Check Joint
Heat exchanger
Strainer
Indoor A unit
Thermistor
(Th
I-R
)
Check valve
Capillary tube
Electronic expansion valve
Indoor B unit
Thermistor (Th
I-A
)
Oil separator
Discharge
Solenoid valve
Accumlator
19.2.5 Piping system