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9.5
HEATING CAPACITY WITH
TOTAL RECOVERY
When operating with the total heat
recovery function, machine performan-
ce depends on the temperature of the
hot water produced: to calculate the
heat recovery power values, multiply
the value Ptt specified in table by the
relevant correction factor Cr derived
from the diagrams below.
The temperature of the relative hot
water is given for each curve (a diffe-
rence of 5°C between total heat reco-
very unit input and output is presumed,
outlet evaporator temperature of 7°C).
Calculate the cooling power (Pf) and
absorbed power (Pa) following the sug-
gestions in "Selection criteria".
9.6
PRESSURE DROP
TOTAL HEAT RECOVERY
Heating capacity
with total heat recovery
Input power
Desuperheater
Pressure drop
1,400
1,300
1,200
1, 1 00
1,000
0,900
0,800
0,700
0,600
0,500
-6
-4
kPa
200
150
100
50
0
0
50
WSA 0701
0801
0901
kW
201
237
262,5
kW
44
50
57
l/h
34,5
40,5
45
KPa
23
23
22
-2
0
2
4
6
Outlet chilled water temperature (¨t=5°C)
100
150
Desuperheater x 1000 l/h
1101
1402
1602
1802
327
401,5
470,5
528
69
88,5
99
116
56
69
81
91
26,5
43
47
50
8
10
12
14
16
200
250
2002
2202
2502
2802
591
653,5
738,5
808
126,5
137,5
156,5
169,5
101,5
112
127
139
53
57,5
64,5
78
15
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