5-2
PERFORMANCE DATA & PRESSURE CURVES
SM HAFRPM 2-A.1 GB
5.1.2 Heating
ENTERING WB
OD COIL(
o
C)
ENTERING AIR DB ID COIL(
O
c)
15
20
25
TH
Pl
TH
Pl
TH
Pl
-10
2.78 1.17 2.68 1.24 2.57
1.31
-7
2.99 1.20 2.89 1.26 2.78
1.33
-2
3.18 1.21 3.07 1.28 2.97
1.36
2
3.87 1.27 3.71 1.35 3.55 1.43
6
5.46 1.37
5.30 1.46
5.11 1.55
10
5.94 1.44 5.78 1.54 5.62 1.65
15
6.41 1.50 6.25 1.62 6.10
1.72
20
6.76 1.55 6.60 1.68 6.41
1.81
LEGEND
TH –
Total Heating Capacity, kW
PI
– Power Input, kW
WB –
Wet Bulb Temp., (
o
C)
DB –
Dry Bulb Temp., (
o
C)
ID
–
Indoor
OD –
Outdoor
5.1.3
Capacity Correction Factor Due to Tubing Length
Cooling
TOTAL TUBING LENGTH
3m
7.5m
10m
15m
20m
25m
30m
40m
50m
1.02
1
0.98
0.97
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*
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
1.03
1
0.99
0.98
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---
---
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---
*
Minimum recommended tubing length between indoor and outdoor units is 3m.