31
6.14
HANDING OVER TO THE USER
6.14.1
After completion of installation and
commissioning of the system, the installer
should hand over to the Householder by taking
the following actions:
-
Hand the “User’s Instructions” to
the Householder and explain His/Her
responsibilities under the “Gas Safety
Regulations
2000”.
- Explain and demonstrate the lighting and
shutting down procedures.
- The operation of the boiler including the use
and adjustment of ALL system controls which
should be fully explained to the Householder.
This then ensures the greatest possible
fuel economy consistent with household
requirements of both heating and hot water
consumptions.
Advise the User of the precautions necessary
to prevent damage to the system, and to the
building, in the event of the system remaining
inoperative during frost conditions.
- Explain the function and the use of the
summer/Winter and mains switch (Fig. 37).
- Explain and demonstrate the function of
time and temperature controls, neon lights
radiator valves etc for the economic use of
the system.
- If an optional time clock is fitted, then draw
attention to the time clock User’s Instructions
and hand them to the Householder.
- Stress the importance of regular servicing
by a qualified Heating Engineer and that a
comprehensive service should be carried out
AT LEAST ONCE A YEAR.
- Fill in the Benchmark log book and leave
completed with the customer.
SECTION 7
SERVICING INSTRUCTIONS
Ravenheat are a member of the Benchmark initiative and
fully supports the aims of the programme. Benchmark has
been instructed to improve the standards of installation
and commissioning of central heating systems in the UK
and to encourage in the regular servicing of all central
heating systems to ensure safety and efficiency.
7.1 SERVICING
7.1.1
To ensure continued efficient operation of the
appliance it is necessary to carry out servicing
and cleaning at regular intervals.
The frequency of cleaning will depend upon the
particular installation conditions and usage but
in general, once gear should be adequate.
WARNING
Before the start of any servicing or
replacement of components always
isolate electricity supply to the appliance
and always turn off the appliance gas
supply at the gas service cock.
Data badge position-lower left hand side of
casing.
- The following notes apply to the appliance
and its controls but it should be remembered
that attention must also be paid to the
heating and hot water circuits with special
attention to radiator valves, thermostats,
clocks, leaking hot water taps etc.
- Where it is necessary to replace a gasket
that relies on adhesive for securing - this
adhesive will be supplied with the gasket as
a spare item.
- In all cases prior to servicing, remove the
outer case (sect. 5.4). Operate the appliance
by turning the hot water services on to a high
water flow, and observe the main burner.
- Check that the flame covers all the flame
ports and is of a light blue colour. Yellow
flames and excessive lifting of flames
indicate poor combustion.
-
IMPORTANT:
After completing any servicing
or replacement of gas carrying components
it is essential that a test for gas soundness
is always carried out along with functional
checks in operation.
7.2
TO INSPECT AND CLEAN THE
APPLIANCE
7.2.1
Before carrying out cleaning operation,
cover the electrical control panel with a
piece of waterproof material to protect it
from debris.
7.2.2
Inspect the heat exchanger for any blockage.
Deposits of any material should be brushed
away using a soft brush.
NOTE:
Do not use brushes with metallic
bristles.
7.2.3
Examine internal pipe-work connections
and automatic air vent for any water leaks.
Rectify if necessary.
7.2.4
Examine the combustion chamber insulating
material and renew if damaged.
7.2.5
Remove and examine the burner injector
clean or renew, as necessary.
7.2.6
Inspect the burner and remove any deposit
with a soft brush Check the electrodes for
damage or deterioration, clean or renew as
necessary. Ensure that the spark gaps are
correct to dimensions specified in fig. 40.
Summary of Contents for 780 Series
Page 2: ......
Page 7: ...7 Fig 3 OVERALL DIMENSION ...
Page 34: ...34 Fig 45 Fig 44 Fig 46 ...
Page 36: ...36 Fig 48 Fig 47 Fig 49 Fig 50 Fig 51 ...
Page 42: ...Fig 59 42 SECTION 9 ELECTRICAL SYSTEM DIAGRAM ...
Page 46: ...79 83 105 46 50 27 16 39 17 2 22 100 1 4 5 11 8 SECTION 11 ...
Page 49: ...49 ...
Page 50: ...COD 0017LIB06010 2 03 2010 ...
