Thermostatic electric shower
21
INSTRuCTIONS FOR INSTALLERS AND SERVICE ENGINEERS ONLy
INSTRUCTIONS FOR INSTALLERS AND SERVICE ENGINEERS ONLY
CLEANINg ThE SCALE TrAP
It is recommended in hard water areas, the
scale trap is periodically cleaned to maintain the
performance of the shower.
It is essential that this operation is carried out by
a competent person.
SWItch oFF the electrIcIty SUpply At
the mAInS.
Remove the cover and unplug the ribbon cable.
The scale trap is located at the lower left-hand
side of the unit. unscrew the single central screw
(fig.55)
then pull off the cap complete with ‘O’
rings.
Be aware of water discharging as the heater can
exhausts.
Clean out the trap and remove all sediment.
Flush the can through by leaving the cap off and
switching on the power at the isolating switch.
Note:
Check the water that flows out of the
scale trap will safely flow to waste.
Switch the power off at the isolating switch.
Replace the cap, making sure the ‘O’ rings are
in place and free from debris. Secure with the
central screw.
Switch the power back on again at the isolating
switch to enable the can to fill with water. Check
for water leakage at the scale trap. When water
flows smoothly from the showerhead, stop the
flow by switching the power off at the isolating
switch.
Reconnect the ribbon cable and replace the
cover and secure with the three screws.
Fig.55
