Service manual

5-17
PERFORMANCE DATA & PRESSURE CURVES
SM DNGDCI 2-E.1 GB
5.4.3 Heating
ID COIL ENTERING AIR DB TEMPERATURE [C
0
]
OD COIL ENTERING
AIR DB/WB
TEMPERATURE [C
0
]
DATA 15 20 25
-15/-16
TH 5.60 5.21 4.82
PI 1.46 1.61 1.76
-10/-12
TH 6.23 5.84 5.45
PI 1.77 1.91 2.06
-7/-8
TH 6.71 6.32 5.93
PI 1.99 2.14 2.29
-1/-2
TH 6.95 6.56 6.16
PI 2.10 2.25 2.40
2/1
TH 7.11 6.71 6.32
PI 2.18 2.33 2.48
7/6
TH 9.19 8.80 8.41
PI 2.29 2.44 2.59
10/9
TH 9.70 9.31 8.92
PI 2.43 2.58 2.73
15/12
TH 10.21 9.81 9.42
PI 2.57 2.71 2.86
15-24 TH 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
5.4.4 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