2
2. OPERATING DOMESTIC HOT WATER
2.1 Select only switch position (1A).
2.2 Open hot water tap.
After about 3 seconds burner will always operate.
2.3 Temperature of domestic hot water can be
varied by adjusting the water fl ow rate at the tap.
Domestic thermostat (5) will control maximum
temperature leaving the appliance.
The knob can be set between minimum and
maximum.
approximately 35 °C to 65 °C (95F to 1 49F).
For maximum temperature of domestic hot water
leave in maximum position.
3. OPERATING HEATING & HOT WATER
TO SET AND ADJUST BUILT-IN TIMER MODEL
SEE OF THESE INSTRUCTIONS PAGE 3.
3.1 Switch on timeclock, room stat and /or DHW
thermostatic radiator valves to high settings.
3.2 Switch on time clock, adjust room stat and/or
thermostatic radiator valves to high settings.
3.3 Burner will operate. Temperature output of
central heating can be adjusted by central heating
thermostat (4).
The knob can be set between minimum and
maximum approximately 40 °C to 85 °C (140°F to
185°F).
While the appliance is being used to provide
domestic hot water, the central heating will not
operate.
When hot water is no longer required the appliance
will automatically revert to central heating and should
not noticeably affect the level of central heating.
Adjust external controls to required settings.
NOTE: An anti-cycling device is fi tted to the heating
function.
When the boiler reaches its set maximum
temperature it will not operate on heating for about
4 minutes but the domestic hot water function will
always operate on demand.
3.4 TO SHUT DOWN THE APPLIANCE
3.4.1 For short periods, switch to summer only and
turn off all hot taps. For long periods switch of the
on/off switch (1).
If the appliance is to be shut down for long
periods when there is a risk of freezing, then
appliance should be drained.
Similar refi lling must be done by a competent
person following approved procedures.
4. CLEANING OF APPLIANCE OUTER
CASING
4.1 Use a clean damp cloth.
Do not use any abrasive cleaners use a dry cloth
lightly polish to protect painted surfaces.
Control panel and fi xtures can be wiped with a damp
cloth and dried. Spray polishes must not be used on
control panel surfaces or switches.
Care must be taken in preventing any liquids
entering the appliance.
4.2 CARE OF YOUR APPLIANCE AND
SYSTEM
4.2.1 Annual servicing of your appliance is required
to maintain safety and effi ciency of its operation.
Therefore it is recommended that the appliance is
serviced at least once a year and that the whole of
the heating system be checked at the same time by
a qualifi ed installer.
If it is known or suspected that a fault exists on the
boiler then it MUST NOT be used until the fault has
been corrected by a COMPETENT PERSON.
It is essential that the instructions in this booklet are
strictly followed for safe and economic operation of
the boiler.
SERVICING SHOULD BE CARRIED OUT BY A
QUALIFIED INSTALLER.
Ravenheat Manufacturing Ltd.,
Chartists Way, Morley, Leeds LS27 9ET.
Fig. 1
