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icos
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Installation & Servicing
INSTALLATION
37 GENERAL CHECKS
Make the following checks for correct operation:
1. Central Heating
The correct operation of ANY programmer and all
other system controls should be proved. Operate
each control separately and check that the main
burner or circulating pump, as the case may be,
responds.
Ensure the external controls are calling for heat.
After ignition the display should read:
2. Gas Rate
Operate the boiler for 10 minutes. Check the boiler
gas rate (see Table 2), ensuring the boiler is at full
output whilst measurements are recorded.
3. Water Circulation System
38 HANDING OVER
•
The temperatures quoted alongside are approximate, and
vary between installations.
Note.
Fernox Superfloc, Sentinel X300 (new systems) or
X400 (existing systems) flushing solutions should be
used during the flushing procedure. Refer to Frame 9.
a.
With the system HOT examine all water connections for
soundness.
b.
With the system still HOT, turn off the gas, water and
electricity supplies to the boiler and drain down to
complete the flushing process.
c.
Refill and vent the system, add inhibitor (see Frame 9),
clear all air locks and again check for water soundness.
Adhere the water treatment warning label, supplied in
the hardware pack, in a
prominent position
on the
system, to prevent the use of incorrect water treatment
additives.
d.
Balance the system. Refer to Frame 4.
4.
Check the condensate drain for leaks and check that it is
discharging correctly
5.
Finally set the controls to the user’s requirements.
Knob Setting
Flow Temperature
o
C
o
F
Min
30
86
Max
82
180
1.
Hand the User's Instructions to the householder and
explain his or her responsibilities under current Gas
Safety (Installation and Use) Regulations or rules in force.
2.
Explain and demonstrate the lighting and shutting down
procedures.
3.
The operation of the boiler and the use and adjustment of
ALL system controls should be fully explained to the
householder to ensure the greatest possible fuel
economy consistent with household requirements of both
heating and hot water consumption.
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 frosty conditions.
4.
Explain the function and the use of the boiler heating
controls.
5
. Explain the function of the boiler fault mode.
Emphasise that if a fault is indicated the boiler should be
turned off and a CORGI registered installer consulted. In
IE contact a competent person.
6
. Explain and demonstrate the function of time and
temperature controls, radiator valves, etc., for the
economic use of the system.
7.
If any programmer is fitted then draw attention to the
Programmer User's Instructions and hand them to the
householder.
8. After installation and commissioning please complete
the
Commissioning Checklist before
handover to the customer.
For IE, its is necessary to complete a “Declaration of
Conformity” to indicate compliance to I.S. 813:2002.
9. IMPORTANT
Stress the importance of regular servicing by a CORGI
registered installer and that a comprehensive service
should be carried out AT LEAST ONCE A YEAR. In IE
servicing work must be carried out by a competent
person.
10.
As the installer you may wish to undertake the service
contract yourself or alternatively offer to the customer the
benefits of the Ideal Care Scheme, details of which are
outlined in the household pack supplied with this boiler.
After completing the installation and commissioning of the system the
installer should hand over to the householder by the following actions:
36a INITIAL LIGHTING - continued
THE DISPLAY
The user control has one neon and one display to inform the
user about the status: the display will show the status of the
boiler and the neon will show the status of the flame. If no
flame is detected the neon is blinking. When the flame is
detected the neon will be lit permanently.
Below is a list with display function in normal operation.
Standby. No demand for heat present.
Boiler is active for central heating.
Boiler is in lockout for a specific error. The display will be
blinking, alternating with a number or letter to show which
error is detected.
Boiler is in lockout for a specific error. The display will be
blinking, alternating with a number or letter to show which
error is detected.
INST
ALLA
TION
200212-10.pmd
9/5/2005, 8:58 AM
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