5-2
PERFORMANCE DATA & PRESSURE CURVES
SM PNXDCI 1-A.1 GB
5.1.3 Heating Capacity (kW) - Run Mode)
ID COIL ENTERING AIR DB TEMPERATURE [
0
C]
OD COIL ENTERING
AIR DB/WB
TEMPERATURE [
0
C]
DATA 15 20 25
-15/-16
TC 1.55 1.32 1.10
PI 0.58 0.62 0.66
-10/-12
TC 2.04 1.82 1.60
PI 0.66 0.70 0.74
-7/-8
TC 2.41 2.19 1.97
PI 0.71 0.75 0.80
-1/-2
TC 2.60 2.38 2.15
PI 0.74 0.78 0.82
2/1
TC 2.72 2.50 2.28
PI 0.76
0.80
0.84
7/6
TC 3.62
3.40
3.18
PI 0.79
0.83
0.87
10/9
TC 3.81
3.59
3.36
PI 0.80 0.86 0.89
15/12
TC 4.00 3.78 3.55
PI 0.82 0.86 0.90
15-24
TC 85 - 105 % of nominal
(Protection Range)
PI 80 - 120 % of nominal
LEGEND
TC – Total Heating Capacity, kW
PI – Power Input, kW
WB – Wet Bulb Temp., (
o
C)
DB – Dry Bulb Temp., (
o
C)
ID – Indoor
OD – Outdoor
5.1.4 Capacity Correction Factors
Heating Capacity Ratio Vs. Outdoor Temperature
0.40
0.50
0.60
0.70
0.80
0.90
1.00
1.10
1.20
-15 -10 -5 0 5 10 15
Outdoor WB Temperature [ºC]
Capacity Ration