Water-Side Maintenance; Introduction; Check Anodes; Descale And Clean The Tank - State Water Heaters SCE 80-115 Installation, User And Service Manual

9
9.3 Water-side
maintenance
9.3.1
9.3.2
Remember
The draught diverter
and the cover may be
hot.
9.3.3
1
Figure 9.1 Cleaning opening
62
Maintenance

Introduction

The following steps should be carried out on the water side:
1. Check anodes.
2. Descale and clean the

Check anodes

Timely replacement of the anodes extends the service life of the appliance. The
anodes that are present must be replaced as soon as a usage rate of 60% or
more has been reached (take this into consideration when determining the
maintenance frequency).
1. Remove the flue gas thermostat connector from the connector on the unit.
2. Disconnect the draught diverter from the flue gas outlet.
3. Undo the screws on the draught diverter.
4. Remove the draught diverter from the appliance.
5. Undo the screws on the cover on the top of the appliance.
6. Remove the cover from the appliance.
7. Remove the sealing ring from the tank.
8. Undo the anodes using the appropriate tool.
9. Check the anodes and if necessary replace them.
10. Now also check the flue baffles. Replace them, if necessary. See paragraph
'9.4.4 Check flue
11. Fit a new sealing ring around the edge of the tank and replace the cover.
12. Reconnect the flue gas thermostat connector to the connector on the unit.
n
Remark
This unit is also appropiate for the use of Power Anodes. These are
available as an accessory and can be ordered separately. Please check
your Power Anode instructions for correct use or consult your installer.

Descale and clean the tank

Scale and calcium deposits prevent effective conduction of the heat to the
water. Period descaling prevents build-up of this deposition. This means that the
service life of the appliance is extended further benefiting the heating process.
The speed of scaling should be taken into account when determining the
maintenance frequency.
1. Remove the cover plate
2. Undo the bolts.
3. Remove the cover and the rubber O ring.
4. Inspection the tank and remove any dirt.
5. Then remove the calcium deposition using Borcoil
6. Close the cleaning opening.
Use a new rubber O ring for this.
IMD-0128
tank.
baffles'.
on the external shell. See
1
s
Figure 9.1.
(1)
.
Instruction Manual SCE