User Instructions; Cylinder Thermostat; Immersion Thermostat; Discharge - WarmFlow Direct DI120UV User Instructions

1 USER INSTRUCTIONS

This appliance is not intended for use by persons (including children) with reduced physical,
sensory or mental capabilities, or lack of experience and knowledge, unless they have been
given supervision or instruction concerning use of the appliance by a person responsible for
their safety. Children should be supervised to ensure that they do not play with the appliance.
The temperature of the hot water can be adjusted, and should ideally be set to 60°C (the
position indicated in the diagram below). A higher setting uses more energy and more fuel.
When a hot tap is turned on there may be a short surge of water – this is quite normal with
unvented systems and does not mean there is a fault. When you first fill a basin the water may
sometimes appear milky. This is due to air bubbles in the water which will clear very quickly.

1.1 Cylinder Thermostat

Control dial
Reset button

1.2 Immersion Thermostat

Isolate ALL electrical supplies to the appliance before removing the immersion cover.
Control dial
Reset button

1.3 Discharge

If cold/warm water is discharged from the cylinder via the tundish, call your installer.
If very hot water is discharged, immediately switch off ALL heat sources (which may include
boilers, heat pumps, solar thermal systems and immersion heaters), isolate their electrical
supplies and call your installer.
The pressure relief valves should be operated regularly to remove lime deposits and to verify
they are not blocked.
All cylinders (except Direct models) are fitted with one or more
cylinder thermostats to control the heat input to the cylinder from a
remote heat source, such as a boiler, heat pump or solar thermal
installation. The temperature of each cylinder thermostat is
adjustable between nominally 40°C and 70°C. Turn the control
knob clockwise to increase temperature, and anticlockwise to
decrease.
Each cylinder thermostat has a built-in manually reset safety
thermostat which will 'lock out' in the event of the cylinder
overheating and which will need to be reset in order to restore
operation. Remove the lock-out cover and depress the red button
to reset.
All cylinders are supplied with one or more immersion heaters to
allow the cylinder to be heated electrically.
heater has an immersion thermostat, the temperature of which is
adjustable between nominally 10°C and 70°C.
immersion heater cover and turn the control dial anticlockwise to
increase temperature, and clockwise to decrease.
Each immersion thermostat also has a built-in manually reset
safety thermostat which will 'lock out' in the event of the cylinder
overheating and which will need to be reset in order to restore
operation. Remove the immersion heater cover and depress the
red button to reset.
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Each immersion
Remove the