20
Mexico Super RS 3/100 & 3/125 - Installation
26
GENERAL CHECKS
Make the following checks for correct operation:
1. Turn the boiler thermostat OFF and ON to check that the
main burner is extinguished and relit in response.
2. Check that the programmer, if fitted, and all other system
controls function correctly.
Operate each control separately and check that the main
burner or circulating pump (as the case may be) responds.
3. Flame failure device
Check the operation of the flame failure device in the gas
control valve as follows:
a. Extinguish the pilot flame by closing the gas service
cock and note the time taken for the flame failure
device to shut down - identified by a click within the gas
control valve. This must not be longer than 60 seconds.
b. Open the gas service cock and relight the pilot.
c. Turner the boiler thermostat ON and the burner should
light.
d. Turn the gas control knob to the OFF position - refer to
Frame 24. The main burner and pilot flame should shut
down immediately.
Note. A latch in the gas control valve provides a safety delay
period of approximately 30 seconds before the pilot can
be relit.
1. Hand the User's Instructions to the householder and explain
his or her responsibilities under the Gas Safety (Installation
and Use) Regulations 1994, amendments 1996 or rules in
force.
2. Draw attention to the lighting instruction label affixed to the
inside of the controls door.
3. Explain and demonstrate the lighting and shutting down
procedures.
4. 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. Water circulation System
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, in order
to complete the flushing process.
c. Refill and vent the system, clear all air locks and again
check for water soundness.
d. Balance the system.
5. Finally, set the controls to the user's requirements, refit the
lower front panel and close the controls door.
27
HANDING OVER
After completing the installation and commissioning of the system the
installer should hand over to the householder by the following actions:
5. Explain the function and the use of the boiler thermostat
and external controls.
6. Explain and demonstrate the function of time and temperature
controls, radiator valves etc., for the economic use of the
system.
7. If an optional Programmer Kit is fitted then draw attention to
the Programmer Kit User's Instructions and hand them to
the householder.
8. After installation, commissioning and customer hand-
over instructions please complete the
appliance log book and leave this with the customer.
9. 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.
INSTALLATION
INSTALLATION
Thermostat Flow Temperature
Knob Setting
o
C
o
F
2 60 140
3 66 150
4 71 160
5 77 170
6 82 180
Notes.
zz
zz
z If an optional programmer kit is fitted refer to the
separate Programmer Kit Installation Instructions and
Programmer Kit User's Instructions.
zz
zz
z The temperatures quoted below are approximate and
vary between installations.
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