5-8
PERFORMANCE DATA & PRESSURE CURVES
SM HAFRPM 2-A.1 GB
5.4.2 Heating
ENTERING WB
OD COIL(
o
C)
ENTERING AIR DB ID COIL(
O
c)
15
20
25
TH
Pl
TH
Pl
TH
Pl
-10
3.52 1.67 3.38 1.78 3.25 1.87
-7
3.79 1.71 3.65 1.81 3.52 1.91
-2
4.02 1.73 3.89 1.84 3.75 1.94
2
4.89 1.82 4.69 1.93 4.49 2.05
6
6.90 1.95
6.70 2.09
6.47 2.22
10
7.50 2.06 7.30 2.20 7.10 2.36
15
8.11 2.15 7.91 2.32 7.71 2.47
20
8.54 2.22 8.34 2.40 8.11 2.59
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
5.4.3
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
0.95
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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
1.02
1
0.99
0.96
---
---
---
---
---
*
Minimum recommended tubing length between indoor and outdoor units is 3m.