Aqualisa SIERRA Installation And User Manual page 15

Round shower column
Table of Contents

Advertisement

Control dials stiff
Debris/Scale build up.
to operate.
No flow or low
Check shower head, hose and filters
flow rate and/
for any blockage.
or varying
Partially closed stop or service valve
temperatures.
in water supply pipework to the
shower valve.
Instantaneous water heater cycles
on and off as the flow rate or
pressure is too low.
Head of water is below the minimum
distance required to activate pump.
Inlet filter is partially blocked.
Hot or cold water being drawn off
elsewhere causing pressure changes
or instantaneous boiler temperature
changes.
Make sure the maintained inlet
pressures are nominally balanced
and sufficient.
Airlock or partial blockage of the
pipework (gravity supply only).
No hot or cold water reaching the
shower valve.
Water leaking
This is normal for a short time after
from shower
turning off.
head.
Shower flow valve failing to close
fully, possibly due to water borne
debris.
Maximum water
Maximum water temperature set
temperature too
incorrectly.
hot or cold.
Outlet water
Inlet filter is partially blocked.
temperature too
hot/cold.
Installation conditions outside
operating parameters.
Hot water temperature is less than
10°c above the required blend
temperature.
Instantaneous water heater not
igniting because water flow rate is
too low.
See General Maintenance (pages
11-13).
Clean as necessary. Refer to General
Maintenance section (page 11).
Open stop or service valve.
Increase water flow rate or pressure
through system. Contact the boiler
manufacturer.
Raise the cistern or fit a universal
booster pump.
Clean or replace, flush through
pipework before refitting.
Do not use other water outlets when
using the shower.
Refer to Water Supply Requirements
(page 4).
Flush through pipework to ensure
removal of debris and any airlocks.
Check hot and cold feeds (the valve
will shut down if either the hot or
cold supply fails).
Adjust angle of shower head
in holder as necessary to vary
draining time. Clean shower head.
Remove flow valve and check.
Refer to Cleaning the On/Off Divert
Headworks section (page 12) before
dismantling shower valve.
Reset maximum water temperature.
Refer to Cartridge Temperature
Adjustment (page 10).
Check inlet filters for any blockages
and clean as necessary.
Refer to Water Supply Requirements
(page 4). Refer to Cleaning the
Thermostatic Cartridge section
(page 11). Refer to Cartridge
Temperature Adjustment (page 10).
Adjust hot water temperature or
wait for water to reheat if stored
system is used.
Increase water flow rate through
the system. Check inlet filters and
clean or replace. Refer to Cleaning
the Thermostatic Cartridge section
(page 11). Contact the boiler
manufacturer.
15

Hide quick links:

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the SIERRA and is the answer not in the manual?

Table of Contents

Save PDF