5-9
PERFORMANCE DATA & PRESSURE CURVES
Revision Y05-01
Service Manual - ALPHA
5.5 Alpha12/GCN12
5.5.1 Cooling
Capacity
(kW)
ENTERING AIR
DB OD Coil(
o
C)
Data
ENTERING AIR WB/DB ID Coil(
o
C)
15/21
17/24
19/27
21/29
23/32
15
(1)
TC
3.57 3.78 3.96 4.13 4.27
SC
2.39 2.53 2.67 2.61 2.65
PI
0.82 0.82 0.83 0.83 0.83
20
(1)
TC
3.54 3.75 3.92 4.10 4.24
SC
2.52 2.68 2.83 2.75 2.81
PI
0.89 0.89 0.90 0.90 0.91
25
TC
3.40 3.64 3.85 4.03 4.17
SC
2.32 2.49 2.63 2.58 2.65
PI
0.96 0.97 0.98 0.98 0.99
30
TC
3.19 3.43 3.71 3.85 3.99
SC
2.21 2.38 2.57 2.52 2.62
PI
1.04 1.05 1.07
1.07 1.08
35
TC
2.94 3.19
3.50
3.68 3.82
SC
2.08 2.26
2.47
2.44 2.54
PI
1.12 1.14
1.16
1.17 1.17
40
TC
2.66 2.91 3.22
3.40 3.54
SC
1.93 2.12 2.34 2.30 2.41
PI
1.21 1.23 1.25 1.26 1.27
46
TC
2.31 2.56 2.87 3.05 3.19
SC
1.75 1.95 2.19 2.15 2.25
PI
1.33 1.35 1.37 1.39 1.41
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
(1) Marked area is below standard operating limits. For operating in low ambient
conditions, an A.S.K Kit is required
