5-5
PERFORMANCE DATA & PRESSURE CURVES
SM PNXDCI 1-A.1 GB
5.3.3 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 1.91 1.64 1.36
PI 0.80 0.85 0.91
-10/-12
TC 2.52 2.25 1.974
PI 0.90 0.96 1.02
-7/-8
TC 2.98 2.71 2.43
PI 0.98 1.04 1.09
-1/-2
TC 3.21 2.94 2.66
PI 1.02 1.08 1.13
2/1
TC 3.36 3.09 2.81
PI 1.04
1.10
1.16
7/6
TC 4.48
4.20
3.92
PI 1.08
1.14
1.20
10/9
TC 4.71
4.43
4.16
PI 1.10 1.16 1.22
15/12
TC 4.94 4.66 4.39
PI 1.12 1.18 1.24
15-24
TC 85 - 105 % of nominal
(Protection Range)
PI 80 - 120 % of nominal
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
5.3.4 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