97/232
Building Technologies Boiler sequence controller RMK770 CE1P3132en
HVAC Products 6 Boiler sequence management 23.04.2009
Operating line Range
Fault text
Fault text for fault input 3
Fault input 3
0 / 1 (1 = fault)
[Main pump] overload
0 / 1 (1 = overload)
[Main pump B] overload
0 / 1 (1 = overload)
Flow signal pump
0 / 1 (0 = no flow)
Optg hours pump
0…99999 h
Optg hours pump B
0…99999 h
When making diagnostics or the wiring test, logic states are displayed. The input is
active when 1 appears on the display. If “Normal position open“ is selected, this is the
case when the contact is closed; if “Normal position closed“ is selected, this is the case
when the contact is open.
Main menu > Boiler sequence manager > Outputs
Operating line Range
Mixing valve position 0…100%
Main pump
Off / On
Main pump B
Off / On
Main menu > Boiler sequence manager > Limitations
Operating line Range
MBRT return min
Inactive / Active
Setpoint maximum limitation
Inactive / Active
6.8 Fault handling
Number Text Effect
330
Main flow sensor error Urgent message; must be acknowledged
and reset, plant stop
331
Main return sensor error Nonurgent message; must be acknowl-
edged, no plant stop
Number Text Effect
2491 [Main pump] overload Nonurgent message; acknowledgement
can be parameterized; factory setting:
”Acknowledge“
2492 [Main pump B] overload Nonurgent message; acknowledgement
can be parameterized; factory setting:
”Acknowledge“
2493 [Main pump] no flow Nonurgent message; must be acknowl-
edged and reset
2494
[Main pump B] no flow
Nonurgent message; must be acknowl-
edged and reset
2495 [Main pump] fault Urgent message; must not be acknowl-
edged, plant stop
Number Text Effect
2391 [Boiler seq] water shortage Can be parameterized
2392 [Boiler sequence] over-
pressure
Can be parameterized
2393 [Boiler sequence] under-
pressure
Can be parameterized
Fault of main flow and
main return sensor
Fault of main pump
Fault supervision
boiler sequence
To Next Page
Loading...
