Your Aquarius water heater should give you trouble free operation, however, should a
problem occur the table below should enable most faults to be identified with ease.
Fault finding should only be carried out by a competent person and any replacement part
should be authorised Santon spare parts.
5
.0 FAULT FINDING
SYMPTOM
PROBABLE CAUSE
ACTION
No hot water
1. Check power
Check and replace as necessary.
2. Faulty cut out
3. Faulty thermostat
4. Faulty element
Water too hot
/cold
1. Thermostat set to wrong
temperature
Adjust thermostat.
2. Faulty thermostat
Switch off, check and replace.
No water flow
1. Frozen
Switch off electrical power and
allow to thaw at room tem-
perature.
Do not switch on again until
full water flow restored and
full checks made for leaks and
electrical safety.
2. No mains supply
Check mains.
Continuous water flow
Faulty valve/tap
Check and replace.
4
.0 COMMISSIONING
DO NOT SWITCH ON HEATER UNTIL IT IS FILLED WITH WATER
4.1
Fill with water by opening tap and leaving open until a full bore of water flows
from the outlet.
4.2
Switch on water heater at double pole isolating switch. The heater will heat water
to the temperature set on the thermostat.
4.3 Check water is heating correctly.
7 litre 1.2kW - after 10 mins water temperature will increase by 20°C
7 litre 3kW - after 10 mins water temperature will increase by 60°C
10 litre 1.2kW - after 10 mins water temperature will increase by 15°C
10 litre 3kW - after 10 mins water temperature will increase by 40°C
4.4 Pass instruction leaflet to user and draw their attention to the following two
statements:
DO NOT USE HEATER IF THE WATER IS THOUGHT TO BE FROZEN
Switch off immediately at the isolating switch if the water does not flow freely.
Any damage resulting from freezing will not be covered by the guarantee.
DURING HEATING THE OUTLET WILL DRIP: This is due to the expansion of
water inside the heater and is normal for heaters of this type. It does not indicate
that the valve is faulty and overtightening of the valve can result in damage.