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Function
339
Concentration of antifreeze agent
340
Pulse value flow meter
(supports 1, 2.5, 10, 25, 100 liters / pulse)
341
Volumetric flow solar pump
342
Selection of sensor for solar yield measurement
(B63 and B64)
1
LG-Ni 1000
2
Pt 1000
343
Actual value of solar flow temperature B63
---
No value available
344
Actual value of solar return temperature B64
---
No value available
Speed-controlled pump
345
Display of speed of solar pump Q5 / K9
346
Minimum speed of the solar pump
347
Maximum speed of the solar pump
Diagnosis
349
Functional test solar
---
No test
0
Everything OFF
1
Q5 ON
2
Q5/K12 + Q16 ON
3
Q5/K12 + Q16 + K9 ON
4
Q5/K12 + Q16 + K9 + K8 ON
Wood-fired boiler
Setpoints / actual values
350
Display of the boiler temperature setpoint
351
Display of actual value of boiler temperature B22
---
No value available
352
Display of the boiler return temperature setpoint
353
Display of actual value of return temperature B72
---
No value available
Hours run counter
354
Operating hours pump of wood-fired boiler
(output Q10)
To make a reset to 0, press the - / + buttons simultaneously for 3 s
355
Operating hours wood-fired boiler (output K3)
To make a reset to 0, press the - / + buttons simultaneously for 3 s
Number of releases of wood-fired boiler (output K3)
356
To make a reset to 0, press the - / + buttons simultaneously for 3 s
Functions
369
Minimum temperature differential of the wood-fired
boiler
370
Minimum temperature of the wood-fired boiler for re-
lease of the pump
371
Switching differential for minimum temperature of the
wood-fired boiler for release of the pump
372
Pump overrun time
---
No pump overrun time
373
Strategy of wood-fired boiler
0
Constant
1
Depending on demand
376
Wood-fired boiler locks all other heat sources
0
No
1
Yes
378
Frost protection for the plant with pump of the wood-
fired boiler
0
General frost protection for the plant does not act on this pump
1
General frost protection for the plant acts on this pump
Siemens Building Technologies / HVAC Products
Range
Unit
1...100
%
1.0 / 2.5 / 10 /
–
25 / 100
10...1500
Liters/h
1 / 2
–
–50...350
°C
–50...350
°C
0...100
%
0...line 347
%
Line 346
%
...100
--- / 0...4
–
0...140
°C
–50...350
°C
0...140
°C
–50...350
°C
0...999'999
h
0...999'999
h
0...999'999
–
0...20
K
20...80
°C
1...30
K
--- / 4...120
min
0 / 1
–
0 / 1
–
0 / 1
–
74 319 0312 0 a
Resolution
Factory
setting
...... %
30
......
10.0
......
200
Liters/h
......
2
–
–
–
–
–
–
...... %
40
...... %
100
–
- - -
–
–
–
–
–
–
–
–
–
0
–
0
–
0
...... K
4
...... °C
60
...... K
12
...... min
20
......
1
......
1
......
1
19.08.2002
15/28
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