Electra DNG 18 Service Manual page 29

PERFORMANCE DATA & PRESSURE CURVES
5.7.2 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
5.8 Capacity Correction Factor Due to Tubing Length
5.8.1 Cooling
3m
1.01
*
Minimum recommended tubing length between indoor and outdoor units is 3m.
5.8.2 Heating
3m
1.02
*
Minimum recommended tubing length between indoor and outdoor units is 3m.
5-10
ENTERING AIR DB ID COIL(
15
TH Pl
5.20 2.24
5.59 2.30
5.94 2.32
7.23 2.44
9.27 2.62
10.08 2.76
10.89 2.88
11.48 2.97
o
C)
o C)
TOTAL TUBING LENGTH (One Way)
7.5m 10m 15m
1
0.98 0.97
TOTAL TUBING LENGTH (One Way)
7.5m 10m 15m
1 0.99 0.99
Revision Y05-01
CONTENT
20
TH Pl
5.00 2.39
5.40 2.42
5.74 2.46
6.93 2.59
9.00 2.80
9.81 2.95
10.62 3.11
11.21 3.22
20m 25m 30m
0.96 0.95 0.94
20m 25m 30m 40m
0.98 0.97 0.97 0.96
Service Manual - DNG Series
O
c)
25
TH Pl
4.80 2.51
5.20 2.55
5.54 2.60
6.63 2.74
8.69 2.97
9.54 3.16
10.35 3.30
10.89 3.47
40m 50m
0.93 0.9
50m
0.95