Refrigeration Cycle Diagram - LG LBNK3660BL Service Manual

Refrigeration Cycle Diagram

Heat Pump
ORIFICE
(Capillary only
for 60k Btu)
Orifice Number
Capacity Orifice Number
30k
36k
42k 74/72
48k 86/90
72k
90k
100k 104
Pipe Size (Diam-
eter: Ø)
Capacity
inch
Standard
Gas Liquid
30k Btu/h 5/8" 3/8"
36k Btu/h 5/8" 3/8"
42k Btu/h 3/4'' 3/8"
48k Btu/h 3/4'' 3/8"
60k Btu/h 3/4'' 3/8"
72k Btu/h 1'' 1/2"
90k Btu/h 9/8'' 5/8"
100k Btu/h 9/8'' 5/8"
• If 60K Model is installed at a distance of 15m, 525g of refrigerant should be added
(15-7.5) x 70g = 525g
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
63
62
98
84
Piping Length
Elevation B(m)
A(m)
Standard
Max. Max.
7.5 30 5 15
7.5 30 5 15
7.5 30 5 15
7.5 30 5 15
7.5 30 5 15
7.5 25 5 20
7.5 30 5 20
7.5 30 5 20
HP
ORIFICE
(Only for
60k Btu)
* Additional
Refrigerant
(g/m)
70
50
70
70
70
70
90
100
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LGE Internal Use Only