Ideal Boilers Mexico Super 100 FF Installation And Servicing Manual

Ideal Boilers Mexico Super 100 FF Installation And Servicing Manual Manual pdf 28 page image

28 Mexico Super 100 FF & 125 FF - Installation52 COMMISSIONING AND TESTINGWARNING. Whilst effecting the required gas soundness test and purging air from the gas installation,open all windows and doors, extinguish naked lights and DO NOT SMOKE.A. ELECTRICAL INSTALLATION1. Checks to ensure electrical safety should be carriedout by a competent person.2. ALWAYS carry out preliminary electrical systemchecks, i.e. earth continuity, polarity, resistance toearth and short circuit using a suitable test meter.B. GAS INSTALLATION1. The whole of the gas installation, including the meter,MUST be inspected and tested for soundness, and purgedin accordance with the recommendations of BS. 6891.2. Purging air from the gas installation may be expedited byloosening the union on the gas service cock on the boilerand purging until gas is detected.3. Retighten the union and check for gas soundness.INSTALLATION53 INITIAL LIGHTINGLEGENDA. Gas control valve.B. Burner pressure test point.C. Main burner pressureadjuster.D. Inlet pressure test point.E. Gas service cock.F. Sightglass.G. Boiler thermostat knob.H. Main burner 'On' neon.J. Overheat thermostat resetbutton (optional).TO LIGHT THE BOILER1. Check that all the drain cocks are closed and any valves inthe flow and return are open.2. Check that the gas service cock (E) is OPEN and the boilermains on/off switch is OFF.3. If the boiler output is to be set to minimum or mid, affix theappropriate indicator label supplied in the hardware pack tothe data plate.4. Slacken the screw in the burner pressure test point (B) andconnect a gas pressure gauge via a flexible tube.5. Switch the electricity supply ON and check that all externalcontrols are calling for heat.6. Set the boiler thermostat knob (G) to position 6. The fan willstart. After the fan has run for a few seconds the pilot solenoidvalve should open and the intermittent spark commence,continuing until the pilot is established. The main burner willthen cross-light smoothly. If this sequence does not occur,refer to the Fault Finding section.7. Test for gas soundness around ALL boiler gas componentsusing leak detection fluid.8. Operate the boiler for 10 minutes to stabilise the burnertemperature.9. The boiler is preset at the factory to its highest nominalrating but can be range rated to suit the system designrequirements. Refer to Table 2 (page 3). Remove thesealing cap and turn the adjusting screw clockwise toincrease/anticlockwise to decrease the pressure until therequired burner pressure is achieved.Refit the sealing cap.10. Set the boiler mains on/off switch to OFF.11. Remove the pressure gauge and tube. Retighten thesealing screw in the pressure test point.12. Turn ON and check for gas soundness at the pressuretest point.13. Refit the lower front panel and secure with the 2 fixingscrews.INSTALLATION