Temporary Shutdown; Preparing For Extended Periods Of Disuse; Maintenance; Cleaning And Removing Internal Components - Beretta IDRA MS 200 Installation And Operation Manual

15 TEMPORARY SHUTDOWN

If you are going away for a short period of time like a
weekend or a short holiday, etc., and outdoor temperatures
are going to remain above ZERO, proceed as follows.
- Adjust the storage cylinder thermostat to its minimum
setting.
b
If outdoor temperature may drop below ZERO (risk
of freezing) perform the operations described in the
"Preparing for extended periods of disuse" section.
16 PREPARING FOR EXTENDED
PERIODS OF DISUSE
If the storage cylinder is not going to be used for an
extended period of time, perform the following operations:
- Cover the solar collectors with suitable protection
- Switch the electricity supply to the storage cylinder's
valve group and to any associated boiler OFF at the
main switch and at the control panel
- Close the shut-off cocks for the domestic hot water
circuit.
b
Drain the domestic hot water circuit if there is any risk
of freezing.
Contact your local
B
if you encounter any problems in completing the above
procedure.

17 MAINTENANCE

Scheduled maintenance is essential for the safety,
efficiency and long working life of your storage cylinder.
Proper maintenance also reduces energy consumption and
ensures reliability over time. Have your storage cylinder
serviced either by the manufacturer's Technical Assistance
Centre or by a qualified heating engineer at least once a
year.
Perform the following operations before beginning any
maintenance:
- Switch the electricity supply to the storage cylinder's
valve group and to any associated boiler OFF at the
main switch and at the control panel
- Close the shut-off cocks for the domestic hot water
circuit
- Drain the storage cylinder's DHW (secondary) water
circuit.
Technical Assistance Centre
18 CLEANING AND REMOVING
INTERNAL COMPONENTS
EXTERNAL CLEANING
Clean the outside of the storage cylinder with a soft cloth
damped in soapy water. To remove stubborn marks, use a
cloth damped in a 50% mix of water and denatured alcohol
or a suitable cleaning product. Dry the storage cylinder
after cleaning it.
a
Do not use abrasive products, petrol or triethylene.
INTERNAL CLEANING
Removing and checking the magnesium anode
- Remove the plug (1) and insulation (2), and use a
suitable wrench to unscrew the anode holder (3)
- Check the magnesium anode for wear and replace it
if necessary.
On completion of cleaning, follow the above steps in the
reverse order to refit all removed parts.
NOTE: Tighten the anode plug to a torque of 25-30 Nm.
3
Cleaning inside the storage cylinder
- Remove the screws (4)
- Remove the flange cover (5)
- Remove the insulation (6)
- Unscrew the bolts (7) and remove the cover (8)
- Remove the seal (9)
- Clean inside the storage cylinder and remove any
residues through the access hole.
b
Check the seal for wear and replace it if necessary.
On completion of cleaning, follow the above steps in the
reverse order to refit all removed parts.
1
2
13