5-2
PERFORMANCE DATA & PRESSURE CURVES
SM PNXGC 1-A.1 GB
5.1.3 Heating Capacity (kW) - Run Mode)
ID COIL ENTERING AIR DB TEMPERATURE [ºC]
OD COIL
ENTERING AIR
DB/WB
TEMPERATURE
[ºC]
DATA 15 20 25
TC 2.16 2.01 1.86
-15/-16
PI 0.49 0.54 0.58
TC 2.41 2.26 2.11
-10/-12
PI 0.59 0.64 0.68
TC 2.59 2.44 2.29
-7/-8
PI 0.66 0.71 0.76
TC 2.68 2.53 2.38
-1/-2
PI 0.70 0.75 0.80
TC 2.75 2.59 2.44
2/1
PI 0.72 0.77 0.82
TC 3.55
3.40
3.25
7/6
PI 0.76
0.81
0.86
TC 3.75 3.60 3.44
10/9
PI 0.81 0.86 0.90
TC 3.94 3.79 3.64
15/12
PI 0.85 0.90 0.95
15-24
TC 85 - 105 % of nominal
(Protection Range)
PI 80 - 120 % of nominal
LEGEND
TH – Total Heating Capacity, kW
PI – Power Input, kW
WB – Wet Bulb Temp., (
o
C)
DB – Dry Bulb Temp., (
o
C)
ID – Indoor
OU - Outdoor
5.1.4 Capacity Correction Factors
0.5
0.6
0.7
0.8
0.9
1
1.1
1.2
-15 -10 -5 0 5 10 15
Outdoor WB Temperature [deg C]
Capacity Ratio
TC