Supplied By www.heating spares.co Tel. 0161 620 6677
14
6.1
GENERAL
To ensure the continued safe and efficient opera-
tion of the appliance, it is recommended that it is
checked and serviced at regular intervals.
The frequency of servicing will depend upon the
particular installation conditions, but in general,
once per year should be adequate.
It is the law that any servicing work is carried out
by a competent person such as a Vokera engineer,
an approved service agent, British Gas, or other
CORGI registered personnel.
The following instructions apply to the appliance
and its controls, but it should be remembered that
the central heating system will also require
attention from time to time.
6.2
ROUTINE ANNUAL SERVICING
●
Check the operation of the appliance and ensure
it functions as described in section 7.
●
Compare the performance of the appliance
with its design specification. The cause of any
noticeable deterioration should be identified
and rectified without delay.
●
Thoroughly inspect the appliance for signs of
damage or deterioration especially the flue
system and the electrical apparatus.
●
Check and adjust – if necessary – the system
design pressure (see 5.11).
●
Ensure both the burner and heat exchanger are
clean and free from any debris or obstruction.
●
Carry out an analysis of the flue gases (see
7.4), and visually check the condition of the
entire flue assembly.
●
Compare the results with the appliance design
specification. Any deterioration in performance
must be identified and rectified without delay.
●
Inspect all joints for signs of leakage and repair
if necessary.
●
Refer to the commissioning section and/or re-
placement of parts section for detailed
instruction if required.
6.3
REPLACEMENT OF COMPONENTS
Although it is anticipated that this appliance will
give years of reliable, trouble free service, the life
span of components will be determined by factors
such as operating conditions and usage. Should
the appliance develop a fault, the fault finding
section will assist in determining which component
is malfunctioning.
6.4
COMPONENT REMOVAL PROCEDURE
To remove a component, access to the interior of
the appliance is essential. Isolate the appliance
from the electrical supply and remove the fuse.
And when necessary, close all service valves on
5.13
FINAL CHECKS
●
ENSURE ALL TEST NIPPLES ON THE AP-
PLIANCE GAS VALVE ARE TIGHT AND HAVE
BEEN CHECKED FOR SOUNDNESS.
●
ENSURE THE APPLIANCE FLUE SYSTEM IS
FITTED CORRECTLY AND IS PROPERLY
SECURED.
●
ENSURE ALL PIPE WORK IS RE-CHECKED
FOR SOUNDNESS.
●
RE-FIT APPLIANCE CASING.
●
COMPLETE APPLIANCE LOGBOOK.
Complete details of the boiler, controls, installa-
tion and commissioning in the logbook supplied
with the boiler. This is an important document,
which must be correctly completed and handed
to the user. Failure to install and commission the
appliance to the manufacturers instructions may
invalidate the warranty.
STEP
FUNCTION
PARAMETER
VALUE
DEFAULT SETTING
216
226
226
216
A
b
J
n
o
Variable between 0-30
(where 1=10,2 seconds)
Variable between 3-99
(where 1=1 minute)
Variable between 13-55
(where 1=100 RPM)
Variable between 13-55
(where 1=100 RPM)
Variable between 0-100
(where 80=80%)
Variable between 0-30
(where 1=10,2 seconds)
Variable between 3-99
(where 1=1 minute)
Variable between 13-55
(where 1=100 RPM)
Variable between 13-55
(where 1=100 RPM)
Variable between 0-100
(where 0.0=100%)
9 (91,8 seconds)
10 (10 minutes)
40 (4000 RPM)
13 (1300 RPM)
100 (%)
9 (91,8 seconds)
10 (10 minutes)
55 (5500 RPM)
17 (1700 RPM)
80 (%)
Anti-cycle
Pump over-run
Max. fan speed
Min. fan speed
Soft-light fan
speed
5.14
INSTRUCTING THE USER
Hand over all documentation supplied with this
appliance – including these instructions – and
explain the importance of keeping them in a safe
place.
Explain to the user how to isolate the appliance
from the gas, water and electricity supplies, and
the locations of all drain points.
Show the user how to operate the appliance and
its associated controls correctly.
Show the user the location of the filling valve and
how to top-up the system pressure correctly, and
show the location of all manual air release points.
Explain to the user how to turn off the appliance
for both long and short periods, and advise on the
necessary precautions to prevent frost damage.
SECTION 6 SERVICING
