Samsung DVM PLUS III Technical Data Book page 519

4.Accessories(02~31) 3/6/08 13:59
3) MCU-4EAEV1
EEV
EEV bypass valve
Liquid pipe
connection
(Indoor unit)
Gas pipe
connection
(Indoor unit)
No
1 Heating solenoid valve
2 Cooling solenoid valve
3 MCU liquid bypass valve
4 MCU EEV
5 Subcooler
6 Subcooler_in temp.sensor
7 Subcooler_out temp.sensor
8 Subcooler EEV
9 EEV
10 EEV bypass valve
Page 17
Heating solenoid valve
Subcooler
Indoor unit
Cycle parts
This valve opens during heating and main heating operation.
This valve opens during cooling and main cooling operation.
This valve is used to prevent pipe from refrigerant accumulation in heating operation.
It controls refrigerant amount to balance between outdoor heat exchanger and indoor
heat exchanger in main heating operation.
The subcooler can secure the subcooling of refrigerant in MCU.
These temperature sensors enable to control subcooler EEV's step to secure
subcooling of refrigerant.
It enables to secure sufficient subcooling of entering refrigerant to MCU kit.
This EEV can be used for wall mounted / ceiling unit.
This valve has to be closed when wall mounted / ceiling unit are connected without
single EEV kit.
Cooling solenoid valve
Drain pipe
Liquid pipe connection (Outdoor unit)
Outdoor unit
MCU EEV MCU main heating valve
EEV
Functions
MCU liquid bypass valve
Gas pipe connection (Outdoor unit)
High pressure gas pipe connection (Outdoor unit)
IV-17