5-14
PERFORMANCE DATA & PRESSURE CURVES
Revision Y05-01 Service Manual - DNG Series
5.10.2 Heating
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
5.11 Capacity Correction Factor Due to Tubing Length
5.11.1 Cooling
TOTAL TUBING LENGTH (One Way)
3m
7.5m
10m 15m 20m 25m 30m 40m 50m
1.02
1
0.99 0.98 0.98 0.97 0.96 0.95 0.92
* Minimum recommended tubing length between indoor and outdoor units is 3m.
5.11.2 Heating
TOTAL TUBING LENGTH (One Way)
3m
7.5m
10m 15m 20m 25m 30m 40m 50m
1.03
1
0.99 0.99 0.98 0.98 0.97 0.96 0.95
* Minimum recommended tubing length between indoor and outdoor units is 3m.
ENTERING AIR DB ID COIL(
O
c)
15 20 25
ENTERING WB
OD COIL(
o
C)
TH Pl TH Pl TH Pl
-10 6.47 2.94 6.22 3.13 5.98 3.28
-7 6.96 3.01 6.71 3.17 6.47 3.35
-2 7.39 3.05 7.15 3.23 6.90 3.41
2 8.99 3.19 8.62 3.39 8.25 3.60
6 11.54 3.43
11.20 3.67
10.81 3.90
10 12.54 3.62 12.21 3.87 11.87 4.14
15 13.55 3.78 13.22 4.07 12.88 4.33
20 14.28 3.89 13.94 4.22 13.55 4.55
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