Laars Mighty Max HH0320M страница 28 Скачать руководство пользователя | Manualshive

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Page 28

LAARS HEATING SYSTEMS

Front View

Right Side View

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Содержание Mighty Max HH0320M

Страница 1: ...e technician qualified in hot water boiler installation and maintenance Improper installation and or operation could create carbon monoxide gas in flue gases which could cause serious injury property...

Страница 2: ...tion Air 15 2M 3 Conversion for Ducted Combustion Air 15 2M 4 Combustion Air Piping 16 2N Electrical Wiring 16 SECTION 3 Operating Instructions 3A Start Up Requirements 16 3B Hi Limit checkout 18 3C V...

Страница 3: ...ion and maintenance instruction for the Mighty Max hydronic boiler Model HH sizes 320M 400M 520M 625M 775M and 1000M Review all application and installation procedures completely before proceeding wit...

Страница 4: ...lated or otherwise protected from any source of corrosive chemical fumes such as trichlorethylene perchlorethylene chlorine etc Install the boiler so that the gas ignition system components are protec...

Страница 5: ...nnected to the common venting system properly vents when tested as outlined above return door windows exhaust fans fireplace dampers and any other gas burning appliances to their previous condition of...

Страница 6: ...au National Fuel Gas Code ANSI Z223 1 NFPA 54 et ou aux codes d installation CAN CGA B149 Si la grosseur d une section du syst me devrait tre modifi ppour respecter les valeurs minimales des tableaux...

Страница 7: ...n Used On Canadian Unit or U S Unit Requiring CSD 1 Code Automatic Main Gas Valves NOTE The boiler and all other gas appliances sharing the boiler gas supply line must be firing at maximum capacity to...

Страница 8: ...h the boiler expressed in ft of H2O Shaded area is the recommended flow and temperature rise Minimum inlet temperature is 105 F Table 5 Temperature Rise TEMPERATURE RISE IN DEGREES F C MODEL 10 F 6 C...

Страница 9: ...he heater which will be used to supply potable water to any heating system or components previously used with a nonpotable water heating system Do not add boiler treatment or any chemicals to the heat...

Страница 10: ...diation units for one 1 hour 10 Recheck the water level in the expansion tank If the water level exceeds 1 4 of the volume of the expansion tank open the tank drainer and drain to that level 11 Shut d...

Страница 11: ...nting and Combustion Air Options Vertical Venting Category I Combustion Air In Through Louvers Side View Wall NOTE All views are shown from rear of heater Horizontal Intake Terminal Detail Combustion...

Страница 12: ...er Jacket Blank Plate On Flue Collector Blank Plate On Boiler Jacket Top Panel 1 Removal of Blank Plate and Adapter Plate From Boiler 3 Blank Plate Placement Over Stack Top Opening Blank Plate Flue Co...

Страница 13: ...al vents must be installed in accordance with the special code requirements for Category I Fan Assisted Appliances These requirements can be found in the latest edition of ANSI Z223 1 NFPA 54 Appendix...

Страница 14: ...2m horizontally from or 3 feet 0 9m above such openings 4 Locate the vent terminal so that it cannot be blocked by snow The National Fuel Gas code requires that it be at least 12 inches 305mm above g...

Страница 15: ...of the Laars side wall terminal Locate the terminal within 10 feet 3 0m of the boiler vent exhaust terminal but no closer than 3 feet 0 9m centerline distance Do not locate the air inlet terminal near...

Страница 16: ...in the wiring diagram supplied with the boiler see Figure 12 3 Electrically interlock the pump and boiler so the boiler cannot come on unless the pump is running 4 Connect all field installed devices...

Страница 17: ...rvicing controls wiring errors can cause improper and dangerous operation Verify proper operation after operation servicing ATTENTION Au moment de l entretien des commandes tiquetez tous les fils avan...

Страница 18: ...back up to its original setting and the hi limit is reset 3C Venturi and Gas Pressure Regulator System 3C 1 Overall Operation The gas control system of the Mighty Max boiler is similar to that of a ca...

Страница 19: ...ake a pressure reading This reading is called the gas pressure offset Using the regulator only adjust the gas pressure offset according to the installation s altitude in Table 5 0 4 w c at sea level R...

Страница 20: ...sures is far more important than their gauge value relative to the room The gas pressure offset and the gas orifice pressure differential are especially important concepts The following section descri...

Страница 21: ...rence in pressure between the venturi inlet tap and the outlet of the gas regulator see Figure 17 This measurement is taken by connecting the positive side of the manometer to the venturi inlet tap an...

Страница 22: ...wc at sea level Use the blower shutter to adjust the gas orifice differential 6 By adjusting the gas orifice differential the gas offset pressure will change Therefore you must repeat steps 3 5 until...

Страница 23: ...vicing the heat exchanger 1 Disconnect the 120 Vac electrical supply to the heater 2 Turn off the gas supply by closing the manual gas valve on the heater 3 Disconnect and remove the wires and conduit...

Страница 24: ...may need to be cleaned daily Failure to do so could result in lower heat output and potential unsafe operation SECTION 5 Troubleshooting 5A Sequence of Operation To troubleshoot the heater properly y...

Страница 25: ...Mighty Max Hydronic Boiler Page 25 Figure 20 Troubleshooting Chart...

Страница 26: ...irculating water and the foregoing items check out okay the trouble may be in the boiler control system IMPORTANT Disconnect power to the boiler before removing or replacing any component or wire conn...

Страница 27: ...mbly 320M 20254901 400M 20254902 Item Description Part Number 520M 625M 20260100 U S 20260101 Canada 775M 20260200 U S 20260201 Canada 1000M 20265600 U S 20265601 Canada Gas Valve 320M 425M V2003900 5...

Страница 28: ...Page 28 LAARS HEATING SYSTEMS Front View Right Side View 36 10 8 9 5 20 7 12 13 11 3 6 21 14 15 38 4 1 2...

Страница 29: ...Mighty Max Hydronic Boiler Page 29 Front View Rear View Right Side View Left Side View 31 32 17 30 23 26 27 28 25 37 25 33 16 18 35 29 19 34 39...

Страница 30: ...Left 20152900 30 Panel Access 320M 20157401 400M 20157402 520M 20157403 625M 20157404 775M 20157405 1000M 20157406 Item Description Part Number 31 Panel Back 320M 20157201 400M 20157202 520M 20157203...

Страница 31: ...Mighty Max Hydronic Boiler Page 31...

Страница 32: ...CA 93021 805 529 2000 FAX 805 529 5934 20 Industrial Way Rochester NH 03867 603 335 6300 FAX 603 335 3355 480 S Service Road West Oakville Ontario Canada L6K 2H4 905 844 8233 FAX 905 844 2635 www laar...

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