Bristan DUL3 THBSM C Installationsanleitung Handbuch - Seite 14
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Troubleshooting
Symptom
Maximum water tempera-
ture too hot or cold.
Outlet water temperature
too hot / cold.
Water temperature too
cold – maximum water
temperature incorrectly set.
14
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Cause
Maximum water
temperature set incorrectly.
Inlet filter is partially blocked.
Installation conditions outside
operating parameters.
Hot water temperature is less
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 water
pressure is to low.
Remedy
Reset maximum water
temperature. Refer to
'Commissioning' section.
Check inlet filters for any
blockages and clean as necessary.
Service shower valve as
recommended. Refer to
maintenance section.
Adjust hot water
temperature or wait for
water to reheat if stored system is
used.
Increase water flow rate through
the system.
Check cartridge inlet filters and
clean or replace.
Refer to maintenance section.
Contact the boiler
manufacturer.
Refer to 'Specification' for
system requirements.
Increase water pressure through
system.
Contact the boiler
manufacturer.