LG PRCKA0 Installation Manual page 10

SET UNIT ADDRESS
10
!
CAUTION
Selection of Evaporator(Air Handling Unit)
See table below for applicable units
Selecting the capacity setting 'Option PCB'(Accessory) according to the capacity mentioned
below.
- The corresponding capacity setting 'Option PCB' needs to be selected depending on the
need capacity.
- After checking the need capacity, remove the 36k Option PCB equipped in the main PCB,
and set up the Option PCB fitted the need capacity in the main PCB.
Option PCB P/NO Capacity (Btu/h)
EBR52358907
EBR52358908
EBR52358909
EBR52358910
EBR52358911
EBR52358912
EBR52358914
EBR52358915
EBR52358916
EBR52358917
EBR52358913
* Saturated Suction Temperature(SST) = 6 °C, SH (Superheat) 5K,
Air Temperature = 27 °C DBT / 19 °C WBT
* Heat exchanger volume [m
-. Pipe cross-section = πx ID2 / 4 [m
-. Tube length = Tube length of 1 pipe x Tube step x Tube row [m]
* Standard Tube step : 6 step
Standard heat ex-
changer volume
(10-3 × m3)
28 k 2.7
36 k 3.1
42 k 3.4
48 k 4.0
76 k 5.4
96 k 6.3
115 k 7.3
134 k 8.5
155 k 9.5
172 k 10.5
182 k 11.2
3
] = Pipe cross-section x Tube length
2
]
Detail
Maximum heat ex-
changer capacity
(kW)
8.6
11
13.8
15.4
22.2
28.1
33.7
39.3
45.4
50.4
56.2
Capacity setting
'Option PCB'
Air Flow rate
(CMM)
22~26
25~32
31~35
33~45
50~64
64~72
72~88
88~103
103~116
114~129
121~137