USER’S GUIDE
HIGH EFFICIENT COMBINATION BOILER
It is the law that all gas appliances are installed by
a competent person, in accordance with the gas
safety installation and use current regulations.
To the current Gas Safety (Installation and Use)
Regulations 1994 (as amended).
All CORGI registered installers carry a CORGI I.D.
card and have a registration number. Both should be
recorded in your boiler log book. You can check your
installer by calling CORGI direct on: 01256 732300.
Escape of gas
Should a gas
supplier without delay.
Do NOT search for gas leaks with a naked flame.
WARNING: This appliance must be earthed.
Do not touch or tamper with this sealed unit or
its components
1.
1.1
1.1.1
leak be
INTRODUCTION
Please carefully read information given in
the booklet to help you gain maximum
control from your appliance with minimum
trouble and cost.
Your Ravenheat Combination Boiler has
been designed to supply your Central
Heating and Domestic Hot Water directly
from one unit.
When central Heating is operating, the
circulation will be interrupted when
domestic hot water is being drawn off. This
will normally not affect the level of heating.
suspected,
contact your gas
1.2.1
1.4
1.4.1
1.4.2
1.4.3
CLEARANCES AROUNDTHE BOILER
Above 125 mm
Below 100 mm
Front 450 mm
Sides 5 mm
5 mm in front when installed in a cupboard.
Minimum clearances are required for safety
and maintenance. Do not obstruct any
purpose made ventilation opening if boiler
has been fitted in a compartment.
Never hang clothes, etc., over the appliance.
USER CONTROLS
See Fig. 1
This appliance is designed to operate with
the minimum of attention by the user.
All controls are to be found on the control
panel.
OPERATING SAFETY CHECKS TO
PROTECTYOUR APPLIANCE
Before lighting the appliance check central
heating system pressure (7) is not less
than 1 bar gauge. If it is below this do not
light but consult your installer about refilling
your system as you may have a leak in the
system.
An ORANGE warning light on the control
panel warns of a flame failure of the main
burner. This can be reset manually by
pressing flame failure switch (1B).
Overheat thermostat lockout could occur due
to air or poor circulation in the boiler/heating
circuit. This can be reset manually by removing
grey cover (3) on control panel and pressing
red reset button. Replace cap. If lockout
should persist leave the appliance shut down
and consult your installer/service engineer
immediately.
Fig. 1
2.
2.0
2.1
OPERATING DOMESTIC HOT WATER
Select only summer/winter switch position (1A).
Open hot water tap. After about 3 seconds
main burner will always operate.
2.2 Temperature of domestic hot water can be
varied by adjusting the water flow 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
o
C to 65 oC.
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 OPPOSITE PAGE 3.
3.0
3.1
Select summer/winter switch 1IA) position.
Switch on time clock, adjust room stat and/or
thermostatic radiator valves to high settings.
3.2 Main 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
o
C to 85oC.
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 fitted to the
heating function. When the boiler reaches
its set maximum temperature it will not
operate on heating for about 3 minutes but
the domestic hot water function will always
operate on demand.
TO SHUT DOWN THE APPLIANCE
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 refilling must be
done by a competent person following
approved procedures.
CLEANING OF APPLIANCE OUTER CASING
Use a clean damp cloth. Do not use any
abrasive cleaners and with a dry cloth lightly
polish to protect painted surfaces.
Control panel and fixtures can be wiped with
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.
CARE OF YOUR APPLIANCE AND SYSTEM
Annual servicing of your appliance is required
to maintain safety and efficiency 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 qualified
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
COMPETENT PERSON.
Ravenheat Manufacturing Ltd.,
Chartists Way, Morley, Leeds LS27 9ET.
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