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Heat exchanger pump
K9
Benefit
Description
Setting
Benefit
Description
Setting
Siemens Building Technologies
HVAC Products
If possible, the speed of heat exchanger pump K9 will be adjusted such that the tem-
perature at sensor B62 will be within the range called "const.".
B62
°C
2K
2K
1K
TBw
TPw
ON
Q5
OFF
8...TBWw
Temperature setpoint at the heat exchanger of the d.h.w. or buffer storage tank
(Maximum of actual value of the storage tank temperature and minimum charging temperature)
+ + +
Temperature range in which the pump's speed increases
- - -
Temperature range in which the pump's speed decreases
const.
Temperature range in which the pump's speed remains constant
346 /347
Minimum speed / maximum speed of the solar pump
4.100 Display of speed of the solar pump Q5 / K9
• Visualization of solar pump speed Q5 / K9
The speed of the solar pump will automatically be displayed on this operating line.
Display
0...100
---
Heating circuit pump is not speed-controlled
4.101 Minimum speed of the solar pump
• Minimum limitation of speed of solar pump Q5 / K9
The minimum speed of the solar pump can be defined. It is thus possible to negate the
lowest pump speeds, which cannot be properly controlled.
Setting range
0...line 347
Basic Documentation RVP540 / RVP550
Description of the heating engineer settings
+++
c o n s t .
- - -
ON
OFF
Unit
%
Unit
%
t
t
Factory setting
40
161/348
CE1P2488en
18.10.2002
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