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Function
872
Maximum value of the heat demand signal DC 0...10 V
(H1)
If activated at input H1 (setting 5)
873
Operating action of the contact connected to H1
0
N.C. contact
1
N.O.
Input E1
877
Display of hours run, input E1
To reset to 0, press the + / - buttons simultaneously for 3 seconds
878
Display of the number of starts input E1
To reset to 0, press the + / - buttons simultaneously for 3 seconds
880
Function selection input E1
1
Hours run and start counter
2
Heat generation lock oil / gas
3
Error / alarm message
4
Reserved
5
Heat generation lock heat pump
6
Operation signal for heat pump, hours run and start counter
7
Release of return control of the wood-fired boiler
8
Forced charging of buffer storage tank with heat pump
881
Operating action of voltage signal at input E1
0
0 V switches on
1
230 V switches on
Output P1 (PWM)
885
Pump assignment P1
1
Solar pump Q5 / K9
2
Pump Q10 of the wood-fired boiler
3
Heating circuit pump Q2
4
Reserved
886
PWM signal logic
0
Standard
1
Inverted
887
Display of PWM output P1
888
Output test P1
---
No test
0-100 PWM setpoint in %
Output Ux (DC 0...10 V)
890
Function selection Ux
1
Solar pump Q5 / K9
2
Pump Q10 of the wood-fired boiler
3
Heating circuit pump Q2
4
Reserved
5
Temperature setpoint of heat source
6
Temperature setpoint of heat pump
7
Temperature setpoint of oil- / gas-fired boiler
8
Temperature setpoint of wood-fired boiler
891
Maximum value of heat demand
(when used as a temperature setpoint)
892
Voltage signal logic
0
Standard
1
Inverted
893
Display of voltage output Ux
894
Output test Ux
---
No test
0-100 Voltage setpoint DC 0...10 V (0...100%)
Reset
899
Resetting the heating engineer parameters to the de-
fault values
To reset the parameters of the heating engineer level to their default
values, press the + / - buttons simultaneously for 3 seconds
48/348
Siemens Building Technologies
HVAC Products
Basic Documentation RVP540 / RVP550
Handling
Range
Unit
5...130
°C
0 / 1
–
0...999'999
h
0...999'999
–
1...8
–
0 / 1
–
1...4
–
0 / 1
–
0...100
%
--- / 0...100
%
1...8
–
5...130
°C
0 / 1
–
0...100
%
--- / 0...100
%
0 / 1
–
Resolution
Factory
setting
1
100
1
1
1
0
1
0
1
1
1
1
1
1
1
0
1
–
1
- - -
1
1
1
100
1
0
1
–
1
- - -
1
0
CE1P2488en
18.10.2002
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