Pump Modulation - BRÖTJE HEP 25-180-10 Notice De Montage

Temp differential nominal

Pump modulation

Configuration
Hot water ctrl elem Q3
Hot water separate circuit
Relay output QX3
Sensor input BX1
Function output P1
Function
Temps / mode CH1
Pump speed min
Pump speed max
Temps / mode CH2
Pump speed min
Pump speed max
Temps / mode CH3
Pump speed min
Pump speed max
Boiler Settings
Pump speed min
Pump speed max
Hot water storage tank
Pump speed min
Pump speed max
Function
Boiler Settings
Temp differential max
Pump modulation
Configuration
Function output P1
System frost protection
Function
Boiler Settings
Pump speed min
Pump speed max
7660118 - 04 - 07022019
2317
2320
5731
5736
5892
5930
6085
Set the minimum and maximum pump speeds in accordance with the
system configuration under menu items Temps / mode CH1 - Temps /
mode CH3, Boiler Settings and Hot water storage tank:
Prog. no. Setting level
882
883
1182
1183
1482
1483
2322
2323
5101
5102
Boiler pump with buffer storage tank
If the pump HEP is used as a boiler pump with a buffer storage tank, apply
the settings given in the following table.
Prog. no. Setting level
2316
2320
6085
6120
Set the minimum and maximum pump speeds in accordance with the
system configuration under menu items Boiler Settings:
Prog. no. Setting level
2322
2323
6.2.3 Pump modulation
Presetting
The heating control is preset to supply heating circuit 1 as required.
However, via setting "None" at PWM output P1, the modulating pump is
switched off as standard.
E e.g. 15°C
E Temp differential nominal
E Diverting valve
E On
E Hot water ctrl elem Q3
E Common flow sensor B10
E Boiler pump Q1
Setting
E
E
E
E
E
E
E
E
E
E
Setting
E - - -
E Boiler setpoint
E Boiler pump Q1
E Off
Setting
E
E
en
6 Settings
35