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Nomenclature; Name Plate - LG RCWW Operation & Maintenance Manual

Water-cooled screw chiller
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2. INTRODUCTION
10

2-3. Nomenclature

The model naming for screw chiller is done as follows.
R : R-134a
R
C
W : Screw
C:Chiller

2-4. Name plate

Name plate for the unit is attached on the control panel. General information of the chiller unit can be obtained from
the plate and the information of the unit history can be used for quicker service.
Fig. 3. Product plate
W : Water-cooled
cooling only
K : Water-cooled
heat pump
A : Air-cooled cool-
ing only
W W 030 A
A : Flooded type
B : Direct expansion type
C : Falling film system
M : Ice Storage High Efficiency
compressor
R : Heat recovery
N : Nuclear PJT, High Efficiency
W : W type condenser
V : V type Condenser
S : Special
① Model name
② Refrigerant
③ Cooling capacity
④ Power and current required for motor
⑤ Manufacture's serial number
⑥ Internal pressure test pressure
⑦ Maximum working pressure (Design pressure)
⑧ Volume of Evaporator
⑨ Volume of Condenser
⑩ Power electricity
⑪ Control electricity
⑫ Temperatures of Chilled water inlet/outlet
⑬ Temperatures of Cooling water inlet/outlet
⑭ Maximum pressure of chilled water and cooling water
Compressor nominal
capacity in Tons(usRT)
10RT ⇨ 001
100RT ⇨ 010
130RT ⇨ 013
1000RT ⇨ 100
A
Compressor
quantity
Cooling/chilled water maxi-
mum working pressures
A : Chilled water 10kg/cm
Cooling water 10kg/cm
B : Chilled water 16kg/cm
Cooling water 16kg/cm
C : Chilled water 20kg/cm
Cooling water 20kg/cm
2
D : Chilled water 8kg/cm
2
Cooling water 8kg/cm
E : ETC
1
1
Develop-
ment se-
quence
order
Figure 2. Nomenclature
2
,
2
2
,
2
2
,
2
,

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