Service manual

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PERFORMANCE DATA
5.11 PXD 18 DCI
5.11.1 Cooling Capacity Factor - Unit D
230[V] : Indoor Fan at High Speed.
ID COIL ENTERING AIR DB/WB TEMPERATURE [ºC]
OD COIL
ENTERING AIR DB DATA
22/15 24/17 27/19 29/21 32/23
TEMPERATURE [ºC]
-10 - 20
(protection range)
TC
SC
PI
80 - 110 % of nominal
80 - 105 % of nominal
25 - 50 % of nominal
TC 0.99 1.04 1.10 1.16 1.22
25 SC 1.05 1.07 1.08 1.10 1.11
PI 0.76 0.77 0.79 0.81 0.82
TC 0.93 0.99 1.05 1.11 1.17
30
SC 1.01 1.03 1.04 1.06 1.07
PI 0.86 0.88
0.90
0.91 0.93
TC 0.88 0.94
1.00
1.06 1.12
35
SC 0.97 0.98 1.00 1.02 1.03
PI 0.97 0.98
1.00
1.02 1.03
TC 0.83 0.89
0.95
1.01 1.07
40
SC 0.93 0.94 0.96 0.97 0.99
PI 1.07 1.09 1.11 1.12 1.14
TC 0.77 0.83 0.89 0.95 1.00
46
SC 0.88 0.89 0.91 0.93 0.94
PI 1.20 1.21 1.23 1.25 1.27
LEGEND
TC – Total Cooling Capacity, kW
SC –
Sensible Capacity, kW
PI – Power Input, kW
WB – Wet Bulb Temp., (
o
C)
DB – Dry Bulb Temp., (
o
C)
ID – Indoor
OD – Outdoor
5.11.2 Capacity Correction Factors
27/19
22/15
24/17
29/21
32/23
i
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
Capac t y Rat i o
20 25 30 35 40 45 50
Outdoor Temperature [deg C]
Revision 0 5-21