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Line
Function
Input H1
870
Function selection input H1
1
Changeover of operating mode (HC standby / d.h.w. OFF)
2
Changeover of operating mode (only HC standby)
3
Minimum setpoint of flow temperature
(setting on line 871)
4
Heat generation lock oil / gas or heat pump
5
Heat demand DC 0...10 V
6
Error signal / alarm
7
Green mode
8
Charging priority d.h.w. wood firing
9
Reserved
10
Reserved
11
Heat generation lock heat pump
12
Fault heat pump
13
Fault wood-fired boiler
14
Yield mesurement solar
871
Min. setpoint of flow temperature contact H1 (TVHw)
If activated at input H1 (setting 3)
872
Max. value of heat demand signal DC 0...10 V (H1)
If activated at input H1 (setitng 5)
873
Operating action of the contact connected to H1
0
N.C. contact
1
N.O. contact
Input E1
877
Display of operating hours input E1
To make a reset to 0, press the - / + buttons simultaneously for 3 s
878
Display of number of starts input E1
To make a reset to 0, press the -/+ buttons simultaneously for 3 s
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
Operating signal for heat pump, hours run and start counter
7
Release of return temperature control of wood-fired boiler
8
Forced charging of buffer storage tank with heat pump
881
Oprating action of voltage signal at input E1
0
0 V switches ON
1
230 V switches OFF
Output P1 (PWM)
885
Assignment of pump P1
1
Solar pump Q5 / K9
2
Pump Q10 of wood-fired boiler
3
Heating circuit pump Q2
4
Reserved
886
PWM signal logic
0
Standard
1
Inverted
887
Display PWM output P1
888
Output test P1
---
No test
0-100 PWM setpoint in %
Output Ux (0...10 V)
890
Function selection Ux
1
Solar pump Q5 / K9
2
Pump Q10 of wood-fired boiler
3
Heating circuit pump Q2
4
Reserved
5
Setpoint of heat generation
6
Temperature setpoint heat pump
7
Temperature setpoint oil- / gas-fired boiler
8
Temperature setpoint wood-fired boiler
891
Maximum value of heat demand
(when used as the temperature setpoint)
892
Voltage signal logic
0
Standard
1
Inverted
Siemens Building Technologies / HVAC Products
Range
Unit
1...14
–
8...TKmax
°C
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
–
74 319 0312 0 a
Resolution
Factory
setting
–
1
...... °C
70
...... °C
100
......
1
–
0
–
0
......
1
......
1
......
1
......
0
–
–
–
- - -
......
1
1
100
......
0
19.08.2002
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