Problem Solving - Inta Nulo CB10031CP Installation And Maintenance Instructions Manual

Problem Solving

The following details are supplied for on site queries, should you require any further assistance
our Technical Department can be contacted directly on 01889 272199.
Fault
Showering temperature is not hot enough.
The water goes cold during showering.
When the water is set at cold, the
showering temperature is too hot.
The maximum showering temperature is
too hot or when set to hot water runs to
cold.
The flow of water from the shower valve is
low.
No flow of water
Shower is stiff to operate
Passing/dripping from outlet
© Intatec Ltd 2017
Solution
Ensure the hot water supply is at a constant
temperature above 60˚C.
Check for air locks in the pipework.
Thermostatic cartridge movement limited
due to lime scale build up
Insufficient stored hot water.
When used with a combi boiler confirm
that the boiler is still firing.
Adjust the boiler to a minimum setting of
65˚C which may not necessarily be the
best flow rate.
The hot and cold supply connections have
been made in reverse.
Thermostatic cartridge movement limited
due to lime scale build up
Check the commissioned maximum
temperature of the shower valve.
Check the connections to the valve have
not been made in reverse.
Thermostatic cartridge movement limited
due to lime scale build up
Check the filters are clean and the supply
pressure is above 0.2 bar.
Ensure the valve has not fail-safed and
check that there is hot and cold water flow
to the valve.
Ensure the check valves are not closed.
Build-up of limescale on flow control
cartridge - service and de-scale
Service flow control cartridge.
9