18
TECHNICAL ASSISTANCE CENTRE
17 Maintenance
Scheduled maintenance is essential for the safety, efficien-
cy and long working life of your storage cylinder. Proper
maintenance also reduces energy consumption and ensu-
res 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 val-
ve 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 cir-
cuit.
- Drain the storage cylinder’s DHW (secondary) water cir-
cuit
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
MODELS IDRA DS 200 to 550
Removing and checking the magnesium anode
- Remove the plug (1) and insulation (2), and use a sui-
table 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.
1
2
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 resi-
dues through the access hole.
9
8
7
6
5
4
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.
b
Tighten the bolts (7), proceeding diagonally around
the flange to apply pressure uniformly around the
seal.
- Fill the storage cylinder’s DHW (secondary circuit) and
check that there are no leaks from any of the seals.
- Check the performance of the storage cylinder.
Summary of Contents for IDRA DS 1000
Page 1: ...solar storage cylinder IDRA DS INSTALLATION MANUAL USER MANUAL SOLAR ...
Page 22: ...22 END USER ...
Page 23: ...23 END USER ...
