MGB User`s Manual Rev. B
Contents
1. Figure 3 Continuous Pilot Gas Valve PRESSURE REGULATOR ADJUSTMENT BENEATH COVER SCREW sia OUTLET i intai PRESSURE TAP TAP ene GAS OUTLET INLET PILOT FLOW ADI SCREW BENEATH COVER SCREW GAS CONTROL KNOB 8 Turn gas control knob counterclockwise Y to PI LOT 9 Push in gas control knob or reset button if so equipped all the way in and hold Immediately light the pilot with a match Continue to hold the gas control knob or reset button in for about 1 minute after the pilot is lit Release knob or button and it will pop up back up Pilot should remain lit If it goes out repeat steps 5 through 9 If knob or button does not pop up when released stop and immediately call a qualified service technician or your gas supplier If the pilot will not stay lit after several tries turn the gas control knob clockwise to OFF and call a qualified service technician or your gas Supplier 10 Replace burner door LIGHTING INSTRUCTIONS 11 Turn gas control knob counterclockwise y to ON 12 Replace access panel 13 Turn on all electric power to the appliance 14 Set thermostat to desired setting To Turn Off Gas To Appliance 1 Set the thermostat to lowest setting 2 Turn off all electric power to the appliance if service is to be performed 3 Push in gas control knob slightly and turn clockwise to OFF DO NOT FORCE Note Some gas control knobs cannot be turned from PILOT to OFF2. unless knob is pushed in slightly DO NOT FORCE 4 Replace access panel GENERAL INSTRUCTIONS Before seasonal start up have a qualified service agency check the boiler for soot and scale in the flues clean the burners and check the gas input rate to maintain high operating efficiency CAUTION A Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dangerous operation Verify proper operation after service The service agency or owner should make certain the system is filled with water to minimum pressure and open air vents if used to expel any air that may have accumulated in the system Check the entire piping system and if any leaks appear have them repaired Figure 4 Circulator gt OL GUFE F Many circulators like the one pictured in Figure 4 above require periodic servicing The motor usually has openings at each end to lubricate the bearings Put about one half teaspoon of SAE 20 or 30 non detergent motor oil in each opening twice a year CAUTION Do Not Over Oil Many circulators have an oil opening for the shaft bearing This should be oiled at the same time for quiet operation Follow the manufacturer s instructions for oiling the shaft bearing The venting system should be inspected at the start of each heating season Check the vent pipe from the boiler to the chimney for signs of deterioration by rust or sagging joints Repair if necess
3. incurring any obligation whatsoever Utica Boi lers 2201 Dwyer Ave Utica NY 13501 P N 37611701 Rev B 8 2011 Check our website frequently for updates www ecrinternational com USERS INFORMATION MANUAL INSTRUCTIONS FOR OPERATION AND MAINTENANCE OF GAS FIRED HOT WATER HEATING BOILER RETAIN FOR FUTURE REFERENCE Utica Boilers recommends all boiler maintenance be SAFETY SYMBOLS amp WARNINGS performed by a trained heating technician The following defined symbols are used throughout this manual to notify the reader of potential hazards of varying risk levels Indicates a hazardous situation which If not avoided WILL result in death or serious injury Before any procedures are attempted on this appliance it is necessary to determine if the ignition system is a electric or standing pilot system If you are uncertain contact the manufacturer before proceeding CAUTION A Indicates a hazardous situation which if not avoided may result in minor or moderate injury WARNING A Indicates a hazardous situation which if not avoided could result in death or serious injury NOTICE Indicates information which should be followed to ensure proper installation and operation LIGHTING INSTRUCTIONS WARNING Before lighting any type of pilot burner standing or intermittent make certain the hot water boiler and system are full of water to minimum pressure of 12 lbs per square inch in the system and also
4. make certain that the system is vented of air Refer to the following appropriate lighting instruction LIGHTING PROCEDURE FOR BOILER WITH INTERMITTENT PILOT SYSTEM WARNING A If you do not follow these instructions exactly a fire or explosion may result causing property damage personal injury or loss of life A This appliance is equipped with an ignition device which automatically lights the pilot Do not try to light the appliance by hand B Before operating smell all around the appliance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor Read What To Do If You Smell Gas on front page of this manual C Use only your hand to push in or turn the gas control knob Never use tools If the knob will not push in or turn by hand don t try to repair it call a qualified service technician Force or attempted repair may result in a fire or explosion D Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water Operating Instructions For Intermittent Pilot System 1 STOP Read the safety information above 2 Set the thermostat to lowest setting 3 Turn off all electric power to the appliance 4 This appliance is equipped with an ignition device which automatically lights the pilot Do no
5. USER S INFORMATION MANUAL SERIES MGB GAS FIRED HOT WATER HEATING BOI LER WARNING If the information in this manual is not followed exactly a fire or explosion may result causing property damage personal injury or loss of life Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS e Do not try to light any appliance e Do not touch any electrical switch do not use any phone in your building e Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions e If you cannot reach your gas supplier call the fire department Installation and service must be performed by a qualified installer service agency or the gas supplier Do not use this boiler if any part has been under water Immediately call a qualified service technician to inspect the boiler and to replace any part of the control system and any gas control which has been under water Should overheating occur or the gas supply fail to shut off do not turn off or disconnect the electrical supply to the pump Instead shut off the gas supply at a location external to the appliance UTICA BOILERS Information and specifications outlined in this manual in effect at the time of printing of this manual ECR International reserves the right to discontinue change specifications or system design at any time without notice and without
6. ary Remove the vent pipe at the base of the chimney or flue and using a mirror check vent for obstruction and make certain the vent is in good working order Figure 5 Boiler Flue Gas Passageways Intergral Draft _ Hood as Blocked Vent Safety Switch Burner Door Burner _ SE AY gA i Rollout Switch A 4 Section Boiler se Ne E AE af y PE sce Nase Jacket Base Panel Rollout Switch 2 3 5 6 7 Section Boiler GENERAL INSTRUCTIONS The boiler flue gas passageways may be inspected by a light and mirror Remove the burner door Place a trouble lamp in the flue collector through the draft relief opening With the mirror positioned above the burners the flue gas passageways can be checked for soot or scale See Figure 4 In the event the flow of combustion products through the boiler venting system becomes blocked the blocked vent safety switch will shut the main burner gas off If this condition occurs do not attempt to place the boiler in operation Contact a qualified service agency If the boiler flue ways become blocked a flame rollout safety switch will shut the main burner gas off If this condition occurs do not attempt to place the boiler in operation Contact a qualified service agency To Clean The Flue Gas Passageways 1 Remove the burners from the combustion chamber by raising the burners up from the manifold orifices and pulling toward the front of the boiler See Fi
7. gure 5 Disconnect the vent pipe from the draft hood Remove the top jacket panel 4 Remove the combination flue collector and draft hood from the boiler castings by loosening the nuts on the hold down bolts located on each side of the collector 5 Place a sheet of heavy paper or similar material over the bottom of the base and brush down the flue passageways The soot and scale will collect on the paper and is easily removed with the paper With the paper still in place in the base clean the top of the boiler castings of the boiler putty or silicone used to seal between the castings and flue collector Make certain that chips are not lodged in the flue passageways When the cleaning process is complete restore the boiler components to their original position Use boiler putty or 15 808 GE silicone available from the distributor to seal around the flue collector and boiler castings A visual check of the main burner and pilot flames Should be made at the start of the heating season and again mid season The main burner flame should havea well defined inner blue mantel with a lighter blue outer mantel Check the burner throats and burner orifices for lint or dust obstruction See Figure 6 The pilot flame should envelop 3 8 to 1 2 inch of the tip of the pilot thermocouple ignition sensing electrode or mercury sensor See Figure 7 To adjust the pilot flame remove the pilot adjustment cover screw and turn the inner adjustment
8. screw cou nterclockwise PA to increase or clockwise to decrease pilot flame Be sure to replace cover screw after adjustment to prevent possible gas leakage The burners and pilot should be checked for signs of corro sion rust or scale build up The area around the boiler must be kept clear and free of combustible materials gasoline and other flammable vapors and liquids The free flow of combustion and ventilating air to the boiler and boiler room must not be restricted or blocked It Is suggested that a qualified service agency be employed to make an annual inspection of the boiler and heating system They are experienced in making the inspections outlined above and in the event repairs or corrections are necessary can make the proper changes for safe operation of the boiler GENERAL INSTRUCTIONS Figure 6 Burner Flame LIGHT BLUE OUTER MANTEL INNER BLUE MANTEL Figure 8 Burners Burner Orifices BURNERS ORIFICE Figure 7 Burner Pilot Flame IGNITION ELECTRODE PILOT FLAME 3 8 TO 1 2 PILOT MAIN BRACKET BURNER PILOT BURNER NOTES UTICA BOILERS Utica Boilers 2201 Dwyer Ave Utica NY 13501 Date of Installation Boiler Model Installed By F gt sauna 2C TH innovative living An ISO 9001 2008 Certified Company ECR International Inc 2201 Dwyer Ave Utica NY 13501
9. t try to light the pilot by hand 5 Turn gas control knob clockwise amp to OFF See Figure 1 6 Wait 5 minutes to clear out any gas If you then smell gas STOP Follow What To Do If You Smell Gas on front cover of this manual If you don t smell gas go on to the next step 7 Turn gas control knob counterclockwise VP to ON 8 Turn on all electric power to the appliance 9 Set thermostat to desired setting 10 Ifthe appliance will not operate follow the instructions To Turn Off Gas To Appliance on page 5 and call a qualified service technician or your gas supplier Figure 1 Intermittent Pilot INLET PRESSURE TAP PRESSURE GAS REGULATOR CONTROI ADJUSTMENT BENEATH ASE COVER SCREW PILOT FLOW OUTLET ADI SCREW PRESSURE BENEATH TAP COVER SCREW GAS OUTLET LIGHTING INSTRUCTIONS Lighting Procedure For Boiler With Continuous Pilot System For your safety read before Lighting WARNING A If you do not follow these instructions exactly a fire or explosion may result causing property damage personal injury or loss of life A This appliance has a pilot which must be lighted by hand When lighting the pilot follow these instructions exactly Before lighting smell all around the appliance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor Read What To Do If You Smell Gas on front page of this man
10. ual Use only your hand to push in or turn gas control knob or reset button Never use tools If the knob or reset button will not push in or turn by hand don t try to repair it call a qualified service technician Force or attempted repair may result in a fire or explosion Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water Lighting I nstructions For Continuous Pilot L 2 di STOP Read the safety information above Set the thermostat to lowest setting Turn off all electric power to the appliance Remove access panel and burner door Turn gas control knob clockwise N to OFF See Figures 2 and 3 Note Some gas control knobs cannot be turned from PILOT to OFF unless knob is pushed in slightly DO NOT FORCE Walt 5 minutes to clear out any gas If you then smell gas STOP Follow What To Do If You Smell Gas on front page of this manual If you don t smell gas go to the next step Find pilot Follow metal tube from gas control Depending on the model of the boiler pilot is either mounted on the base or on one of the burner tubes 4 Figure 2 Gas Control Knob GAS CONTROL PILOT GAS KNOB SHOWN IN ADJUSTING OFF POSITION SCREW BUTTON RESET PRESSURE REGULATOR ADJUSTMENT BENEATH COVER SCREW
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