5-20
PERFORMANCE DATA & PRESSURE CURVES
Revision Y05-01 Service Manual - DNG Series
5.15.2 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
5.16 Capacity Correction Factor Due to Tubing Length
5.16.1 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.
5.16.2 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 7.97 3.64 7.67 3.88 7.36 4.07
-7 8.58 3.73 8.27 3.94 7.97 4.15
-2 9.11 3.78 8.80 4.00 8.50 4.23
2 11.08 3.96 10.63 4.21 10.17 4.46
6 14.21 4.25
13.80 4.55
13.32 4.83
10 15.46 4.49 15.04 4.80 14.63 5.13
15 16.70 4.69 16.28 5.05 15.87 5.37
20 17.60 4.82 17.18 5.23 16.70 5.64
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