Concentric thermostatic mixer valve
1
Water too hot.
2
Water too cold.
3
High water flow
and/or poor
performance
on a mains fed
system.
1.1
Temperature control
incorrectly commis-
sioned.
1.2
Not enough cold
water flowing through
shower.
1.3
Increase in the
ambient cold water
temperature.
1.4
Cold water supply
blocked.
1.5
High volume of cold
water drawn off else-
where.
2.1
Temperature control
incorrectly commis-
sioned.
2.2
Not enough hot
water flowing through
shower.
2.3
Decrease in the
ambient cold water
temperature.
2.4
Insufficient hot water
supplies from the heat-
ing system.
2.5
Hot water supply
blocked or restricted.
3.1
Flow regulators not
fitted.
1.1.1
Refer to commissioning section.
1.2.1
Reposition the temperature control.
1.3.1
Reposition the temperature control.
1.4.1
Turn off shower and consult a competent
plumber or contact Customer Service.
1.5.1
Reduce the simultaneous demand from the
mains supply.
2.1.1
Refer to commissioning section.
2.2.1
Reposition the temperature control
2.3.1
Reposition the temperature control
2.4.1
Make sure heating appliance is set to maxi-
mum or has sufficient stored hot water.
2.4.2
Make sure heating appliance is igniting by
trying a hot water tap elsewhere.
2.5.1
Turn off shower and consult a competent
plumber or contact Customer Service.
3.1.1
Fit the supplied flow regulator
Exposed -
(see page 9)
.
Built-in -
(see page 13 or 15)
.
Problem/Symptom Cause
Action/Cure
the following can be carried out by a competent person
FaULt FInDInG
