Service manual

5-26
PERFORMANCE DATA & PRESSURE CURVES
SM DNGDCI 2-E.1 GB
5.6.3 Heating
ID COIL ENTERING AIR DB TEMPERATURE [°C]
OD COIL ENTERING
AIR DB/WB
TEMPERATURE [°C]
DATA
15 20 25
-15/-16
TC 8.53 7.93 7.34
PI 2.55 2.81 3.07
-10/-12
TC 9.49 8.90 8.30
PI 3.07 3.33 3.59
-7/-8
TC 10.22 9.62 9.02
PI 3.47 3.73 3.99
-1/-2
TC 10.58 9.98 9.39
PI 3.66 3.92 4.18
2/1
TC 10.82 10.22 9.63
PI 3.79
4.05
4.31
7/6
TC 14.00
13.40
12.80
PI 3.99
4.25
4.51
10/9
TC 14.77
14.17
13.58
PI 4.23 4.49 4.75
15/12
TC 15.54 14.94 14.35
PI 4.47 4.73 4.99
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
OD – Outdoor
5.6.4 Capacity Correction Factors (Heating)
Heating Capacity Ratio Vs. Outdoor Temperature
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 [deg C]
Capacity Ration
CONTENT