Aquarian Thermo
installation instuctions
page 16
Trouble shooting guide
Water output is either all
hot or all cold, or cold only
Symptom
Possible cause
Action
Reversed inlet supplies
Check that the supplies
correspond with the inlet
markings
Water output is not hot
enough
The temperature of the hot
water cylinder is too low
Water flow through the
appliance is too fast
The cylinder temperature
should be at least 15˚c
hotter than the blend
Check the flow rate
recommendations with the
heater manufacturer
Flow rate is poor and water
temperature is low
Airlock in the water supply
Check that the pipe work is
laid in accordance with the
correct practices, paying
particular attention to
potential air-traps
Water temperature
regularly swings between
hot and cold
Cold water pressure is too
high
The flow regulator has not
been fitted
If the static water pressure
exceeds 7 bar (100 psi)
install a pressure reducing
valve (PRV) in accordance
with the installation guide
Fit the flow regulator
Poor flow rate
Twisted hose
Debris in shower head
Debris in filters
Debris in cold inlet flow
regulator
Check and clear as
necessary
