Airwell Multi Split DUO 50 DCI, Service Manual

Page: 22 / 151

5-7
PERFORMANCE DATA & PRESSURE CURVES
SM DLF 1-A.1 GB
5.2.3 Heating
ID COIL ENTERING AIR DB TEMPERATURE [°C]
OD COIL ENTERING
AIR DB/WB
TEMPERATURE [°C]
DATA 15 20 25
-15/-16
TC 2.67 2.49 2.30
PI 0.70 0.77 0.84
-10/-12
TC 2.98 2.79 2.60
PI 0.84 0.91 0.98
-7/-8
TC 3.20 3.02 2.83
PI 0.95 1.02 1.09
-1/-2
TC 3.32 3.13 2.94
PI 1.00 1.07 1.14
2/1
TC 3.39 3.20 3.02
PI 1.04 1.11 1.18
7/6
TC 4.39 4.20 4.01
PI 1.09 1.16 1.23
10/9
TC 4.63 4.44 4.26
PI 1.15 1.23 1.30
15/12
TC 4.87 4.68 4.50
PI 1.22 1.29 1.36
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
5.2.4 Capacity Correction Factors (Heating)
Heating Capacity Ratio Vs. Outdoor Temperature
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
-20 -15 -10 -5 0 5 10 15
Outdoor WB Temperature [deg C]
Capacity Factor