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Building Technologies Boiler sequence controller RMK770 CE1P3132en
HVAC Products 7 Boiler control 23.04.2009
Operating line Adjustable values / remarks
Checkb sign shutoff valve 0 /1 (1 = checkback signal)
[Boiler pump] overload
0 / 1 (1 = overload)
[Boiler 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
Fault burner 0 / 1 (1 = fault)
Checkback signal burner 0 /1 (1 = checkback signal)
Hours run stage 1 0…99999 h
Hours run stage 2 0…99999 h
Burner start counter 0…99999
Current burner output 0…100 %
Flue gas temperature
… °C (current value)
Flue gas temperature max
… °C (maximum value of slave pointer)
Flue gas temperature limit value
… °C (limit value fault triggering)
Flue gas meas mode contact 0 / 1 (1 = flue gas measuring mode)
Fault text
Fault text for fault input 1
Fault input 1
0 / 1 (1 = fault)
Fault text
Fault text for fault input 2
Fault input 2
0 / 1 (1 = fault)
Fault text
Fault text for fault input 3
Fault input 3
0 / 1 (1 = fault)
Attenuated outside temp
… °C
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 … > Outputs
Operating line Adjustable values / remarks
Burner stage 1 Off / On
Burner stage 2 Off / On
Signal modulating burner 0…100%
Setpoint compensation 0…100%
Boiler pump Off / On
Boiler pump B Off / On
Shutoff valve Closed / Open
Mix valve pos maint return temp 0…100%
Main menu > Boiler … > Limitations
Operating line Adjustable values / remarks
Boiler temperature max Inactive / Active
Boiler temperature min Inactive / Active
Protective boiler startup Inactive / Active
Boiler return temperature min Inactive / Active
Burner running time min Inactive / Active
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