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Samsung DVM PLUS III User Manual

Samsung DVM PLUS III
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Outdoor Units
III-292
1
1
DVM PLUS III, DVM PLUS III HR
1-10. Cycle function parts
5) A description of cycle function parts
No Cycle parts Functions
1 DVI compressor(Digital Vapor Injection)
DVI compressor coupled with vapor injection controls the capacity 10 to 100% of its capacity.
It enhance cooling and heating performance and COP with using vapor injection.
2 FVI compressor (Fixed Vapor Injection)
FVI compressor coupled with vapor injection is fixed compressor. It enhance cooling, heating
performance and COP with using vapor injection.
3 PWM valve
|t is used for variation of digital compressor’s capacity. When the valve is open, the DVI compressor
keeps the unloading state, otherwise loading state.
4 Discharge temp. sensor
It measures the temperature of compressor outlet. The main function of it is to protect compressor
from overheating.
5 Oil separator
It separates oil and refrigerant discharged from the compressor and returns the oil into compressor
again.
6 High pressure switch It protects the system from abnormal high pressure. (Open : 4.1Mpa, Close : 3.5 Mpa)
7 Hot gas bypass valve
When the suction pressure becomes abnormal low pressure, it opens.
During the oil balance operation, it makes high pressure for the shell of compressor
8 High pressure sensor
The main function of it controls the capacity of compressor in pursuit of target of high pressure in
heating operation by measuring the value of the system.
9 4way valve It enables to change operating mode into cooling and heating mode.
10 Ambient air temp. sensor It measures the temperature of ambient.
11 Cond_out temp. sensor It has application to know subcooling and the complete point of defrost.
12 Main EEV 1, 2 It controls the amount of refrigerant entering outdoor’s heat exchanger in heating operation.
13 Liquid bypass valve When the compressor is overheating, it opens to make discharge temperature low.
14 EVI EEV
It enables to secure sufficient subcooling and control the amount of vapor entering into vapor port
of compressor.
15 Turbo intercooler
Through turbo intercooler, heat is exchanged each other between saturated liquid refrigerant and a
little expanded refrigerant.
16 EVI_in temp. sensor
These temperature sensors enable to control EVI EEV’s step to secure superheat.
17 EVI_out temp. sensor
18 Liquid tube temp. sensor
It is used to know subcooling.
(Subcooling = The saturated temp. of high pressure - Liquid tube temp.)
19 EVI bypass valve This valve closes during application of vapor injection .
20 Suction temp. sensor This is applied to know superheat in heating mode with the low pressure sensor.
21 Accumulator It prevents the compressor from liquid back.
22 Oil valve When oil balance operation happens, this valve opens.
23 Low pressure sensor
The main function of it is to control the capacity of compressor in pursuit of target of low pressure
in cooling operation by measuring the low pressure.
24 Sump(Base) temp. sensor
With checking sump temperature of compressor, it prevents the compressor from liquid back and
overheating.
25 Oil temp. sensor While the oil balance is operating, it make a self-diagnosis of the oil valve.
26 Main cooling valve
Through this valve, the high pressure gas of refrigerant is discharged into indoor unit which needs
heating operation in main cooling operation.
27 Outdoor EEV valve
In order to prevent outdoor heat exchanger from refrigerant accumulation in main cooling operation,
this valve closes, otherwise Main EEV controls the amount of refrigerant.
28 HR EEV
It controls the amount of liquid refrigerant between outdoor unit and indoor unit in main heating
operation.
3-1.DVM,HR3_Outdoor(238~293) 3/15/08 1:03 Page 292

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Samsung DVM PLUS III Specifications

General IconGeneral
BrandSamsung
ModelDVM PLUS III
CategoryAir Conditioner
LanguageEnglish

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