Checking The Hydraulic Pressure; Checking The Ionization Current; Check The Water Quality - DeDietrich C 330 ECO Installation, User And Service Manual

7. Checking and maintenance
62
10.Check the air pressure differential switch PS.
11.If installed: Check the gas leakage control VPS.
12.If installed: Check the minimum gas pressure switch Gps.
Preparation
First heat the boiler on high for about 5 minutes (return temperature
65ºC) to dry the heat exchanger on the flue gas side.
7.2.1.
The hydraulic pressure must reach a minimum of 0,8 bar.
If the hydraulic pressure is lower than 0.8 bar:
4 DIEMATIC iSystem control panel: The symbol bar flashes (Only
4 IniControl control panel: The pressure value is displayed on the
7.2.2.
Check the ionization current at full load and low load. The value is
stable after 1 minute. If the value lies below 3 µA, replace the ignition
electrode.
¼ See the manual for the control panel.
7.2.3.
1. Fill a clean bottle with water from the installation/boiler via the
2. Check the quality of this water sample or have it checked.
1
For more information, refer to our publication water quality rules. This
manual forms a part of the documentation supplied with the boiler.
The rules in the aforementioned document must be respected.
2
T004854-A
WARNING
Always wear safety goggles during cleaning work (using
compressed air).

Checking the hydraulic pressure

with the hydraulic pressure sensor connected = Accessory).
screen (Only with the hydraulic pressure sensor connected =
Accessory).
If the water pressure is lower than 0,8 bar, more water
should be added.

Checking the ionization current

Check the water quality

filling and drain cock.
C 330 ECO - C 630 ECO
31/05/2012 - 7600532-01