Airwell ONG3-17 R410A, Service Manual

Page: 17 / 127

Performance Data
Service Manual-CN Fixed RPM series
5-4
5.2.2 Heating Capacity (kW)
ENTERING AIR DB ID COIL(
O
c)
15 20 25
ENTERING
WB OD
COIL(
o
C)
TH Pl TH Pl TH Pl
-10 1.81 0.80 1.74 0.85 1.67 0.90
-7
1.95 0.82 1.88 0.87 1.81 0.91
-2 2.07 0.83 2.00 0.88 1.93 0.93
2 2.52 0.87 2.42 0.93 2.31 0.98
6 3.55 0.94 3.45 1.00 3.33 1.06
10 3.86 0.99 3.76 1.06 3.66 1.13
15 4.17 1.03 4.07 1.11 3.97 1.18
20
4.40 1.06 4.30 1.15 4.17 1.24
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
5.2.3 Capacity Correction Factor Due to Tubing Length
Cooling
TOTAL TUBING LENGTH
3m 7.5m 10m 15m 20m 25m 30m 40m 50m
1.03 1 0.981 0.946 --- --- --- --- ---
*
Minimum recommended tubing length between indoor and outdoor units is 3m.
Heating
TOTAL TUBING LENGTH
3m
7.5m
10m 15m 20m 25m 30m 40m 50m
1.05
1
0.974 0.922 --- --- --- --- ---
*
Minimum recommended tubing length between indoor and outdoor units is 3m.