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Technical information and reports
49
Condens 7000 WP – 6721841195 (2022/01)
15.4 Hydraulic resistances
Table 27 Hydraulic resistances
15.5 Residual head of pumps
Changing the pump output
The standard setting for the pump output is sufficient under normal
conditions or with the heating circuit distributor. With a measured T of
more than 20 K an adjustment of the pump output is desirable.
Increase the pump output until T is 20 K ( § 9.4, 26).
-or-
Reduce the installation resistance by installing a low loss header.
Fig. 49 Residual head of pump GC7000WP 100
Legend next to pump graphics:
[1] Maximum adjustable discharge head of pump
[2] Standard setting of discharge head
[3] Minimum pump discharge head
[4] Resistance of heat exchanger + connection + non-return valve
[5] Resistance of heat exchanger + connection set
[6] Resistance of heat exchanger
Fig. 50 Residual head of pump GC7000WP 85
Fig. 51 Residual head of pump GC7000WP 65
Fig. 52 Residual head of pump GC7000WP 50
15.6 Setting values for heating capacity
Table 28 Setting values for heating capacity
Unité GC7000
WP 50
GC7000
WP 65
GC7000
WP 85
GC7000
WP 100
Required
volumetric flow
rate at T = 20 K
l/h 2200 3000 3600 4300
Max. volumetric
flow rate
l/h 5000
Resistance of
boiler
mbar 75 130 170 240
0010039392-001
0
100
200
300
400
500
600
700
800
0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000
[mbar]
[l/h]
5
6
4
1
2
3
0010039391-001
0
100
200
300
400
500
600
700
800
0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000
[mbar]
[l/h]
5
6
4
1
2
3
Power Display Display Display Display
GC7000WP
50
GC7000WP
65
GC7000WP
85
GC7000WP
100
[kW] [%] [%] [%] [%]
13 28 20 -- --
20 40 28 24 20
25 50 36 29 25
30 60 43 35 30
35 70 50 41 35
40 80 57 47 40
45 90 64 53 45
50 100 71 59 50
55 -- 79 65 55
60 -- 86 71 60
65 -- 93 76 65
70 -- 100 82 70
75 -- -- 88 75
80 -- -- 94 80
85 -- -- 100 85
90 -- -- -- 90
95 -- -- -- 95
100 -- -- -- 100
0010039390-001
0
100
200
300
400
500
600
700
800
0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000
[mbar]
[l/h]
1
2
3
5
6
4
0010039389-001
0
100
200
300
400
500
600
700
800
0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000
[mbar]
[l/h]
1
5
6
4
3
2
49


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