DeDietrich ZENA MS 24 MI FF User Manual

89
71.06952.02 - EN
INSTALLATION INSTRUCTIONS
To optimise boiler efciency, carry out the following annual controls:
rDIFDLUIFBQQFBSBODFBOEBJSUJHIUOFTTPGUIFHBTLFUTPGUIFHBTBOEDPNCVTUJPODJSDVJUT
rDIFDLUIFTUBUFBOEDPSSFDUQPTJUJPOPGUIFJHOJUJPOBOEáBNFTFOTJOHFMFDUSPEFT
rDIFDLUIFTUBUFPGUIFCVSOFSBOENBLFTVSFJUJTàSNMZàYFE
rDIFDLGPSBOZJNQVSJUJFTJOTJEFUIFDPNCVTUJPODIBNCFS
Use a vacuum cleaner to do this;
rDIFDLUIFHBTWBMWFJTDPSSFDUMZDBMJCSBUFE
rDIFDLUIFQSFTTVSFPGUIFIFBUJOHTZTUFN
rDIFDLUIFQSFTTVSFPGUIFFYQBOTJPOWFTTFM
rDIFDLUIFGBOXPSLTDPSSFDUMZ
rNBLFTVSFUIFáVFBOEBJSEVDUTBSFVOPCTUSVDUFE
WARNINGS
Before commencing any maintenance operations, make sure the boiler is disconnected from the power supply.
Afterwards, move the knobs and/or operating parameters of the boiler to their original positions.
28. ANNUAL SERVICING
Drain the boiler by opening the drain tap.
In boilers MS 24 MI and MS 24 MI FF the drain tap is located at the bottom while for boilers MS 24 and MS 24 FF it is
next to the pump (1 – g. 15).
To drain the boiler using the drain tap located at the bottom, proceed as follows (g. 15):
- close the boiler on/off valves;
- open the drain tap using an 8 mm hex wrench;
- drain the boiler;
- close the drain tap using the 8 mm hex wrench.
29. DRAINING THE BOILER CIRCUIT
CG_2284 / 1009_2405
Figure 15

DeDietrich ZENA MS 24 MI FF Specifications

General

Brand	DeDietrich
Model	ZENA MS 24 MI FF
Category	Boiler
Language	English