HDG Compact 25 - Page 94

5 Commissioning the system – Procedure
94
✓ The sensors have been checked.
*C
ALIBRATING THE LAMBDA
SENSOR
Prior to initial start-up or after cleaning it, the lambda sensor must be
recalibrated. This involves adjusting the lamba sensor for the oxygen
content of the air.
1. Select the parameter Calib. lambda h-38.
2. Press the Plus button to start the lambda calibration.
✓ The calibration runs automatically.
✓ The lambda sensor is now calibrated.
h-35 Manual HC
Dist.h. temp.
Dist.h. pump 1: 0 (+)
District heating
Plus button: District heating pump switches on/off
h-36 Manual HC
Enable oil burn. 1
Temp. of oil-fired
boiler: -50°C
Enable 1: 0 (+)
Enable oil-fired boiler
Plus button: Oil-fired boiler enabling switches on/off
h-37 Manual HC
Acc+DHW pump 0
On/Off wih button
(+)
Combi Acc+DWH pump
Plus button: Combi heating pump switches on/off
h-38* Calib. lambda
Corr.
value: 0.0mV
U O2: 55.0 / 55.0mV
Start with + button
Calibration of the lambda sensor
Plus button: Calibration of the lambda sensor starts
h-39 Heating pump 1
Off
Start (+) Stop (-)
District heating pump 1
Plus button: District heating pump 1 switches on
Minus button: District heating pump 1 switches off
h-40 Heating pump 2
Off
Start (+) Stop (-)
District heating pump 2
Plus button: District heating pump 2 switches on
Minus button: District heating pump 2 switches off
h-41 Peak load
Off
Start (+) Stop (-)
Peak load boiler
Plus button: Peak load boiler is switched on
Minus button: Peak load boiler is switched off
No. Display Description
Table 5/7 - Sensors in manual operation