5-5
PERFORMANCE DATA & PRESSURE CURVES
SM PNXGC 1-A.1 GB
5.3.3 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 2.74 2.55 2.35
-15/-16
PI 0.68 0.74 0.81
TC 3.05 2.86 2.66
-10/-12
PI 0.81 0.88 0.95
TC 3.28 3.09 2.90
-7/-8
PI 0.92 0.99 1.06
TC 3.39 3.20 3.01
-1/-2
PI 0.97 1.04 1.11
TC 3.47 3.28 3.09
2/1
PI 1.00 1.07 1.14
TC 4.49
4.30
4.11
7/6
PI 1.06
1.13
1.19
TC 4.74 4.55 4.36
10/9
PI 1.12 1.19 1.26
TC 4.99 4.80 4.60
15/12
PI 1.18 1.25 1.32
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
5.3.4 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