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The indirect water heater, if used, should be wired in such a fashion that the heat to the building is temporarily interrupted when there is a demand for domestic water. Commercially available circulator prioritizing packages are available. Consult factory for their application. Swing Door Opening the Door 1. Turn off power to boiler. 2. Allow boiler to cool down. 3. Unplug the burner power cable at factory-supplied burner Molex plug electrical disconnect. 4. Lift the front jacket panel up and off the boiler. 5. Remove the four nuts from swing door studs. 6. Swing open burner door to the left while gently lifting to prevent rubbing of door studs. Closing the Door 1. Swing burner door to right while lifting at the burner to prevent the door from rubbing on the lower (2) 8mm studs until the insulation is slightly compressed and the studs are exposed. 2. Install the nuts onto the upper studs. 3. Attach nuts to the lower studs and hand tightening only. 4. Tighten the upper nuts first followed by the lower nuts until a complete seal is made. Door Hinge Reversal WARNING: IN ORDER TO MOVE THE DOOR HINGES SAFELY TO THE RIGHT SIDE YOU MUST MOVE THE TEMPERATURE CONTROL TO THE LEFT SIDE CABINET PANEL. THIS IS TO INSURE POWER IS SAFELY REMOVED FROM THE BURNER WHEN OPENING THE BURNER SWING DOOR. FAILURE TO DO SO MAY RESULT IN PROPERTY DAMAGE OR SERIOUS INJURY. 1. The knock out on the upper left side panel of the cabinet must be removed and a snap plug will have to be installed to close up the hole for normal aquastat position on the right side jacket panel. 2. Install the box connector into the left side jacket panel. 3. The plastic anti short bushings in the upper brackets must be removed from the holes in the right side and placed in the holes on the left side of the upper brackets. 4. The .” aquastat immersion well must be moved to the upper left rear .” tapping and the relief valve must be installed in the upper right rear .” boiler tapping. 5. The 48” sensor wires must be run through the upper left side brackets and through the .” electrical fitting in the left side panel. 6. Install the temperature control on the boiler left side jacket panel. 7. Remove the hinges from the left side of the boiler. 8. Remove the 8mm stud from the left lower position and install in the right lower position. 9. Reinstall the hinge brackets using the 8mm bolt for upper hinge and nut and washer on lower hinge. 10. Riello Burner - Remove the burner Molex wiring harness from the right side of the burner and install on the left side of the burner. Beckett Burner – Remove the Molex wiring harness from it’s existing position in the burner junction box and place it in the knock out marked number 2. Operation Sequence of Operation Honeywell L7248 Aquastat Control. 1. If the room temperature or indirect water heater falls below the thermostat setting and calls for heat starting the burner and circulating pump. The burner and pump will continue to operate until the room heating or domestic water requirements are met. In the event the boiler water temperature reaches the High Limit setting the burner will shut off with the circulator continuing to operate. If the thermostat continues to call for heat and the boiler temperature falls below the High Limit setting the burner will restart. Carlin 90200A Temperature Control 1. The Carlin 90200A temperature control functions as a high limit only. Start-Up Warning…Use only … No. 2 fuel oils. Note: Do not attempt to start the burner if excess oil has accumulated. Note: Do not use gasoline, crankcase draining or any oil containing gasoline. 1. Make sure that normal water level has been obtained in the boiler and system. 2. Check that all safety devices are in place. 3. Check that thermostats are correctly connected and set. 4. Check that the inside of the boiler is free of any fuel residue or foreign materials and that the ceramic fiber insulation on the burner door has not been damaged. 5. Check oil burner nozzle to ensure that the right size and type is installed and tight in the adapter. See preliminary settings for proper nozzle size and type. 6. Check electrode settings, as they may have been jarred out of position during transportation. See oil burner instructions for nozzle and electrode setting 7. Check that the Burner mounting bolts are tight. 8. Lubricate burner motor and circulator motor if required. 9. Open all oil lines valves. 10. Set room thermostat to call for heat. 11. Set aquastat high limit between 180oF and 200oF 12. Turn service switch on. Burner should start. On one pipe fuel system only you may have to bleed the oil system. To bleed attach a clear plastic tube to the oil pump bleed port and allow oil to run until all the air is out of the oil suction line feeding the oil burner. See burner and fuel pump manufacturers recommendations for proper bleeding of the fuel system. 13. Turn “OFF” burner and install pressure gauge into the gauge port on the pump. See the burner manufacture’s ...

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