Piping System; Electrical Data - Mitsubishi Heavy Industries SRK25GZ-L1 Handbook

7.2.4 Piping system

Model SCM328CENF-L1
Indoor B unit
Flare connecting
Flare connecting
Model SCM338CENF-L1
SKM258
Heat exchanger
7.3

ELECTRICAL DATA

Meaning of marks
¡ Outdoor Unit
Symbol Parts name
C Capacitor for CM
C
C Capacitor for FM
FO
CM Compressor motor
TM Delay relay
FM Fan motor
0
¡ Indoor Unit
Symbol Parts name
CF Capacitor for FM
I
FM Fan motor
I
LM Louver motor
Th Thermistor
1, 2
Table of relay operations
Models SKM258CENF-L, 328CENF-L
Relay symbol
52C
Note (1) : denotes magnetized relay
Indoor A unit Outdoor unit
Service valve
ø9.52 (Gas)
(Gas)
Thermistor
ø6.35
(Liquid)
Flare connecting
SKM258
SKM328
Ther-
mistor
O
I
Operation
Control part
CM
× : denotes demagnetized relay
Discharge
Check
joint
Suction
Service valve
(Liquid)
Solenoid valve
MKCE338 Outdoor unit
(ø9.52)
(Gas)
Check joint
Accumulator
Suction
Service valve
(Liquid)
(ø6.35)
(Liquid)
Symbol Parts name
20RA Solenoid coil for A uni
20RB Solenoid coil for B uni
52C Magnetic contactor for CM
52X, 52RA, RB Auxiliary relay
51C Motor protector for CM
Symbol Parts name
F Fuse
Tr Transformer
ZNR Varistor
52C Magnetic contactor for CM
Cooling
SCM-C
Cooling cycle
Capillary tube
Cooling cycle
Service valve
(Gas)
Heat exchanger
Discharge
Compressor
20RA Capillary
tube
20RB
Solenoid valve
241