User manual:
RDO3x3A
38
Configuration of limitations and boiler protection
Par 150
Boiler temperature minimum limitation (Tkmin) [°C]
K
1:
2:
3:
4:
0..99
Minimum boiler temperature
Par 151
Boiler temperature maximum limitation (Tkmax) [°C]
K
1:
2:
3:
4:
0..125
Maximum boiler temperature at DHW charging (boiler temperature sensor)
Par 152
Boiler temperature maximal limitation (heating) [°C]
0..125
Maximum boiler temperature limit regular heating (boiler temperature sensor)
Par 153
Flow temperature minimum (Tvmin) [°C]
K
1: 2: 3: 4: 5: 6: 7:
0..99
Minimum flow temperature of the mix-heating circuit
Par 154
Flow temperature maximum (Tvmax) [°C]
K
1: 2: 3: 4: 5: 6: 7:
0..125
Maximum flow temperature of the mix-heating circuit
Par 155
Return temperature minimum (Trümin) [°C]
K
1:
2:
3:
4:
0 Minimum return temperature limitation OFF
1..99
Minimum return temperature (return sensor required)
Par 156
Flue gas temperature maximum (Tagmax) [°C]
K
1:
2:
3:
4:
40..240
Temperature at witch burner is cut-off for 30 minutes
Par 157
Boiler start-up relief, DHW discharge protection
K
1:
2:
3:
4:
0
Both OFF
1 Boiler start-up relief and DHW discharge protection ON
2
Boiler start-up relief only
3
DHW discharge protection only
11 As 1 with rise Tkmin
12 As 2 with rise Tkmin
Par 158
Alternate boiler minimum temperature setpoint (Tkmin_ext) [°C]
0
OFF
1..125
Alternate boiler minimum temperature setpoint (activated via auxiliary input)
Par 159
Alternate minimum flow temperature setpoint (Tvmin_ext) [°C]
K
1: 2: 3: 4: 5: 6: 7:
0
OFF
1..125
Alternate minimum flow temperature setpoint (activated via auxiliary input)
Par 15A
Alternate buffer storage minimum temperature setpoint [°C]
0
OFF
1..99
Alternate buffer storage minimum temperature setpoint (activated via auxiliary input)
Par 15b
Setpoint raise vs. buffer storage setpoint [K]
0..20
Raise of heat generator temperature setpoint vs. buffer storage setpoint.
Par 15c
External flow temperature minimum limit
0 On heating modes
1 On heating and DHW charging modes
Par 15E
Heating circuit return temperature minimum limit offset
K
1: 2: 3: 4: 5: 6: 7:
-99..99
Heating circuit return temperature minimum limit offset
Par 15F
Heating circuit return temperature minimum limit offset of stage 2
K
1:
2:
3:
4:
-30..30
Heating circuit return temperature minimum limit offset stage 2
