Electra DNG 18 Service Manual page 21

PERFORMANCE DATA & PRESSURE CURVES
5.1.2 Heating
ENTERING WB
o
OD COIL( C)
-10
-7
-2
2
6
10
15
20
LEGEND
TH – Total Heating Capacity, kW
PI – Power Input, kW
WB – Wet Bulb Temp., (
DB – Dry Bulb Temp., (
ID – Indoor
OD – Outdoor
5.2 Capacity Correction Factor Due to Tubing Length
5.2.1 Cooling
3m
1.01
*
Minimum recommended tubing length between indoor and outdoor units is 3m.
5.2.2 Heating
3m
1.02
*
Minimum recommended tubing length between indoor and outdoor units is 3m.
5-2
ENTERING AIR DB ID COIL(
15
TH Pl
3.06 1.36
3.29 1.39
3.50 1.41
4.26 1.48
5.46 1.59
5.94 1.68
6.41 1.75
6.76 1.80
o
C)
o C)
TOTAL TUBING LENGTH (One Way)
7.5m 10m 15m
1
0.97 0.96
TOTAL TUBING LENGTH (One Way)
7.5m 10m 15m
1 0.98 0.97
Revision Y05-01
CONTENT
20
TH Pl
2.94 1.45
3.18 1.47
3.38 1.50
4.08 1.57
5.30 1.70
5.78 1.79
6.25 1.89
6.60 1.96
20m 25m 30m 40m
0.95 0.94 ---
20m 25m 30m 40m
0.95 0.93 ---
Service Manual - DNG Series
O
c)
25
TH Pl
2.83 1.52
3.06 1.55
3.26 1.58
3.91 1.67
5.11 1.81
5.62 1.92
6.10 2.01
6.41 2.11
50m
--- ---
50m
--- ---