Electra WMZ Series, Service Manual, Page: 58 / 151

PERFORMANCE DATA AND PRESSURE CURVES
5-38 Revision YO5-01 Service Manual - WMZ
5.28.2 Heating Mode at 7.5m Tubing Connection.
230V : Indoor Fan at High Speed.
ENTERING AIR DB ID COIL (
°
C)
15 20 25
ENTERING AIR
WB OU COIL (
°
C)
TH PI TH PI TH PI
-10 3.66 2.13 3.52 2.27 3.39 2.38
-7 3.94 2.18 3.80 2.30 3.66 2.43
-2 4.19 2.21 4.05 2.34 3.91 2.47
2 5.10 2.31 4.89 2.46 4.68 2.61
6 7.19 2.49 6.98 2.66 6.74 2.82
10 7.82 2.63 7.61 2.81 7.40 3.00
15 8.45 2.74 8.24 2.95 8.03 3.14
20 8.90 2.82 8.69 3.06 8.45 3.30
*
the above chart includes the weighted deicing infleuence.
LEGEND
TH – Total Heating Capacity, kW
PI – Power Input, kW
WB – Wet Bulb Temp., (
o
C)
DB – Dry Bulb Temp., (
o
C)
ID – Indoor
OU – Outdoor
5.29 Capacity Correction Factor Due to Tubing Length
5.29.1 Cooling
TOTAL TUBING LENGTH
3m 7.5m 10m 15m 20m 25m 30m 40m 50m
1.03 1 0.976 0.946 --- --- --- --- ---
*
Minimum recommended tubing length between indoor and outdoor units is 3m.
5.29.2 Heating
TOTAL TUBING LENGTH
3m 7.5m 10m 15m 20m 25m 30m 40m 50m
1.06 1 0.979 0.973 --- --- --- --- ---
*
Minimum recommended tubing length between indoor and outdoor units is 3m.