20 Mexico Super CF 3/100, 3/125, 3/140 - InstallationINSTALLATION25 GENERAL CHECKSMake the following checks for correct operation:1. Turn the boiler thermostat OFF and ON to check that themain burner is extinguished and relit in response.2. Check that the programmer, if fitted, and all other systemcontrols function correctly.Operate each control separately and check that the mainburner or circulating pump (as the case may be) responds.3. Flame failure deviceCheck the operation of the flame failure device in the gascontrol valve as follows:a. Extinguish the pilot flame by closing the gas servicecock and note the time taken for the flame failuredevice to shut down - identified by a click within the gascontrol 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. The burner should light.d. Turn the gas control knob to the OFF position - refer toFrame 23. The main burner and pilot flame should shutdown immediately. Note. A latch in the gas control valveprovides a safety delay period of approximately 30seconds before the pilot can be relit.1. Hand the User's Instructions to the householder andexplain his or her responsibilities under the Gas Safety(Installation and Use) Regulations 1994, amendments 1996or rules in force.2. Draw attention to the lighting instruction label affixed to theinside of the controls door.3. Explain and demonstrate the lighting and shutting downprocedures, including the function of the TTB downdraughtthermostat.4. The operation of the boiler and the use and adjustment ofALL system controls should be fully explained to thehouseholder, to ensure the greatest possible fuel economyconsistent with household requirements of both heatingand hot water consumption.Advise the User of the precautions necessary to preventdamage to the system and to the building, in the event ofthe system remaining inoperative during frosty conditions.4. Water circulation Systema. With the system HOT, examine all water connections forsoundness.b. With the system still hot, turn off the gas, water andelectricity supplies to the boiler and drain down, in orderto complete the flushing process.c. Refill and vent the system, clear all air locks and againcheck for water soundness.d. Balance the system.5. Finally, set the controls to the user's requirements, refit thelower front panel and close the controls door.Notes.a. If an optional Programmer Kit is fitted refer to theseparate Programmer Kit Installation Instructionsand User's Instructions.b. The temperatures quoted below are approximateand vary between installations.26 HANDING OVERAfter completing the installation and commissioning of the boiler system the installershould hand over to the householder by the following actions:5. Explain the function and the use of the boiler thermostatand external controls.6. Explain and demonstrate the function of time andtemperature controls, radiator valves etc., for theeconomic use of the system.7. If an optional Programmer Kit is fitted then draw attentionto the Programmer Kit User's Instructions and hand themto the householder.8. After installation, commissioning and customer hand-over instructions please complete theappliance log book and leave this with the customer.9. Stress the importance of regular servicing by a CORGIregistered installer and that a comprehensive serviceshould be carried out AT LEAST ONCE A YEAR.INSTALLATIONThermostat Flow TemperatureKnob Setting oC oF2 60 1403 66 1504 71 1605 77 1706 82 180