Service manual

5-22
PERFORMANCE DATA & PRESSURE CURVES
SM DNGDCI 2-E.1 GB
5.5.3 Heating
ID COIL ENTERING AIR DB TEMPERATURE [°C]
OD COIL ENTERING
AIR DB/WB
TEMPERATURE [°C]
DATA
15 20 25
-15/-16
TC 7.13 6.63 6.13
PI 2.16 2.38 2.60
-10/-12
TC 7.94 7.44 6.94
PI 2.60 2.82 3.04
-7/-8
TC 8.54 8.04 7.54
PI 2.94 3.16 3.38
-1/-2
TC 8.84 8.34 7.85
PI 3.10 3.32 3.54
2/1
TC 9.04 8.55 8.05
PI 3.21
3.43
3.65
7/6
TC 11.70
11.20
10.70
PI 3.38
3.60
3.82
10/9
TC 12.34
11.85
11.35
PI 3.58 3.80 4.02
15/12
TC 12.99 12.49 11.99
PI 3.78 4.00 4.22
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
5.5.4 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