Bristan Capri Installation Instructions Manual page 27

Troubleshooting
Symptom Symptom
Symptom Symptom
Maximum
water
temperature
too hot or
cold.
Outlet water
temperature
too hot / cold.
Water
temperature temperature
too cold –
maximum
water
temperature
incorrectly
set.
Only hot or
cold water
from shower
valve outlet.
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Cause Cause
Cause Cause
Maximum water temperature set
incorrectly.
Inlet filter partially blocked.
Installation conditions outside
operating parameters.
Hot water temperature is less
than 10ºC above the required than 10ºC above the required
blend temperature.
Instantaneous water heater not
igniting because water flow rate
is too low.
Instantaneous water heater not
igniting because the water
pressure is too low.
Inlet water supplies are reversed
(hot to cold supply).
Inlet filter is partially blocked.
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Remedy Remedy
Remedy Remedy
Reset maximum water temperature.
Refer to 'Maximum Temperature
Setting' in Commissioning section
(page 22) and Adjusting the
Temperature in Maintenance section
(pages 23-24).
Check insert filters for any
blockages and clean as necessary.
Refer to Installation Requirements
section (pages 9-12).
Service shower valve as
recommended. Refer to
maintenance section (page 23-24).
Refer to Adjusting the Temperature
section (page 24).
Adjust hot water temperature or wait
for water to reheat if stored system for water to reheat if stored system
is used.
Increase water flow through the
system.
Check cartridge inlet filters and
clean or replace. Refer to
Maintenance section (pages 23-24).
Contact the boiler manufacturer.
Increase water pressure through
system.
Contact the boiler manufacturer.
Check the connections are the
correct way round. Hot on the left
and cold on the right when viewed
from the front. Rework pipework as
necessary.
Clean or replace, flush through
pipework before refitting.
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