Heating Mode At 7.5M Tubing Connection; Capacity Correction Factor Due To Tubing Length - Electra WNG 7 Service Manual

PERFORMANCE DATA & PRESSURE CURVES
5.1.2

Heating Mode at 7.5m Tubing Connection.

230V : Indoor Fan at High Speed.
ENTERING AIR
WB OU COIL ( °C)
-10
10
15
20
*
the above chart includes the weighted deicing infleuence.
LEGEND
TH – Total Heating Capacity, kW
PI – Power Input, kW
WB – Wet Bulb Temp., (
DB – Dry Bulb Temp., (
ID – Indoor
OU – Outdoor
5.2

Capacity Correction Factor Due to Tubing Length

5.2.1 Cooling
3m 7.5m
1.02
*
Minimum recommended tubing length between indoor and outdoor units is 3m.
5.2.2 Heating
3m
7.5m
1.05
*
Minimum recommended tubing length between indoor and outdoor units is 3m.
5-2
15
TH
1.20
-7 1.29
-2 1.37
2 1.66
6 2.35
2.55
2.76
2.91
o
C)
o
C)
TOTAL TUBING LENGTH (One Way)
10m 15m
1 0.961 0.949
TOTAL TUBING LENGTH (One Way)
10m 15m
1 0.975 0.965
Revision Y05-03
CONTENT
ENTERING AIR DB ID COIL ( °C)
20
PI TH PI
0.54 1.15 0.57
0.55 1.24 0.58
0.56 1.32 0.59
1.60 0.62
0.58
0.63 2.28 0.67
0.66
2.49 0.71
0.69 2.69 0.74
0.71 2.84 0.77
20m 25m 30m 40m
--- --- ---
20m 25m 30m 40m
--- --- ---
25
TH PI
1.11 0.60
1.20 0.61
1.28 0.62
1.53 0.66
2.20 0.71
2.42 0.76
2.62 0.79
2.76 0.83
50m
--- ---
50m
--- ---
Service Manual - WNG