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Line
Function
134 = fault heat pump at input H1
135 = water / brine temperature too low
137 = fault heat pump at input E1
138 = fault control sensor heat pump (operating line 420)
145 = wrong PPS unit (BMU / room unit)
146 = configuration error (operating line 202)
147 = external heat source missing (PPS / LPB)
150 = fault BMU
171 = alarm signal at input H1
172 = alarm signal at input E1
211 = fault wood-fired boiler
231-239 = fault sensor input B101 - B109
241 = fault flow sensor yield measurement B63
242 = fault return sensor measurement B64
243 = fault swimming pool sensor B13
Oil- or gas-fired boiler
60
Chimney sweep
0 = OFF
1 = ON
Outside the programming level, the + / - buttons can be used to
activate / deactivate the second burner stage
Solar collectors
65
24-hour yield solar energy
66
Total yield solar energy
To reset the total yield to 0, press the + / - buttons simultaneously
for 3 s
Heat pump
75
Acknowledgement of heat pump error messages
135 and 137
To reset the error messages to 0, press the + / - buttons simulta-
neously for 3 s
Settings to be made on the «Heating engineer» level
Settings required for the configuration and parameterization by the heating engineer.
Buttons
Explanation
1
Press both operating line selection buttons for at least 3 seconds.
This will take you to programming level "Enduser".
2
Press the operating line selection buttons to select the required operating line.
The parameter list on the next pages contains all operating lines on which set-
tings can be made.
3
Press the + or – button to set the required value.
The setting will be stored as soon as you leave the programming mode or
change to another operating line.
4
To leave programming level "Heating engineer", press one of the operating
mode buttons.
è Note:
If no button is pressed for about 8 minutes, the controller will automatically return
to the operating mode selected last.
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19.08.2002
Range
0 / 1
0...999.9
0...9999999.9
0 / 1
74 319 0312 0 a
Unit
Resolution
–
–
kWh
–
kWh
–
–
–
Siemens Building Technologies / HVAC Products
Factory
setting
0
0
0
0
Line
• • •
Continu-
ous
display
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