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MegaSteam

Installation & Service Manual

U.S. Boiler Company, LLC
P.O. Box 3020
Lancaster, PA 17604
1-888-432-8887

www.usboiler.net

Содержание MegaSteam MST758

Страница 1: ...mber as shown on Rating Label Models MST288 MST396 MST513 MST629 MST758 MST892 Natural Draft Oil Fired 3 Pass Steam Boiler B20 Ready Manual Contents Page 1 Pre installation 5 2 Unit Pak Boiler Assembl...

Страница 2: ...t Edition of American Society of Mechanical Engineers ASME CSD 1 Controls and Safety Devices for Automatically Fired Boilers for assembly and Controls and Safety Devices for Automatically Fired Boiler...

Страница 3: ...rear section See Unit Pak Boiler Assembly and Steam Boiler Trim Piping Sections of this manual for details It is the responsibility of the installing contractor to see that all controls are correctly...

Страница 4: ...ust be installed so there are provisions for adequate combustion and ventilation air This boiler is supplied with controls which may cause the boiler to shut down and not re start without service If d...

Страница 5: ...5 103536 13 2 24 MegaSteam Installation Service Manual Figure 1 1 MST288 Thru MST629 Steam Boiler with Tankless Heater Beckett Burner Shown 1 Pre Installation...

Страница 6: ...r Capacity DOE Heating Capacity MBH 2 Gross Output MBH 2 AHRI NET Ratings AFUE Thermal Efficiency GPH MBH 1 Steam MBH 3 Steam Sq Ft MST288 0 75 105 92 69 288 86 0 MST396 1 05 147 127 95 396 86 0 MST51...

Страница 7: ...be installed in rooms with clearances from combustible material as listed above Listed clearances cannot be reduced for alcove or closet installations 3 For reduced clearances to combustible material...

Страница 8: ...be provided with an optional U S Boiler Company Fresh Air Accessory Kit ONLY AVAILABLE WITH BECKETT BURNER P N 102119 01 Refer to Fresh Air Accessory Kit Instructions for installation and air intake...

Страница 9: ...__ MST3 Rear Section Heater Part 107242 03 102417 01 100021 01 ____ MST4 Rear Section Heater Part 107242 04 102417 01 100021 01 ____ MST5 Rear Section Heater Part 107242 05 102417 02 100021 01 ____ MS...

Страница 10: ...moval prepare one piece of 4 in x 4 in x 16 in lg or two pieces of 2 in x 4 in x 16 in lg and two pieces of 1 in Sch 40 black pipe to be used as handles Suggested pipe length for each handle is 72 in...

Страница 11: ...11 103536 13 2 24 MegaSteam Installation Service Manual Figure 2 2 Boiler Removal from Skid 2 Unit Pak Boiler Assembly continued...

Страница 12: ...or mounting bracket attachment points 2 Unit Pak Boiler Assembly continued See also Figure 2 8 Purpose of Tappings Bosses 2 Open Jacket Carton and locate jacket front panel has factory attached 1 in f...

Страница 13: ...n the left and right side 2nd and 3rd pass flueways should make an impression in door insulation to seal the chambers By design door insulation on model MST629 MST758 will have two by pass pockets cas...

Страница 14: ...ide baffle in flueway until position tab touches fins on right side of 2nd pass flueway To install flueway baffle in 2nd pass flueway on right side of boiler hold baffle with word Right readable at th...

Страница 15: ...qually until sealed without applying excessive torque NEVER TIGHTEN LEFT SIDE TAP BOLT FIRST OR EITHER PIECE OF HARDWARE 100 WITHOUT USING THE ALTERNATING METHOD DESCRIBED ABOVE See Figure 2 4 e Failu...

Страница 16: ...ings F in 14 Safety Valve G 1 in 11 Condensate Return H 1 in 11 Optional Front Return J 1 in 11 Surface Blowoff Plugged K 1 in 11 Indirect Water Heater Supply L in 14 Indirect Water Heater Limit M 4 p...

Страница 17: ...RAPPER AND BURNER POWER OUTLET RECEPTACLE WITH HARNESS INSTALLATION 1 Insulation Wrapper is vacuum packed sealed in plastic bag at the factory 2 Carefully cut the plastic bag and remove Insulation Wra...

Страница 18: ...ce 7 Install 8 x in sheet metal screw thru enclosure base lower hole located to the right of transformer relay into right side panel to secure the enclosure 8 Plug in burner harness Molex connector in...

Страница 19: ...with tankless heater install the L4006A aquastat controller well found in Part Carton into in NPT tapping in tankless heater plate 2 Remove the L4006A aquastat controller with factory attached harness...

Страница 20: ...or mounting burner d Thread 1 5 16 18 x 3 4 lg cap screw approximately three 3 full turns into tapping located at 12 00 o clock on burner swing door e Insert oil burner into the opening of burner swin...

Страница 21: ...nd MST513 2 Assemble Gravity Return Piping Kit for MST629 MST758 and MST892 as illustrated in Figure 3 5 for Recommended configuration or Figure 3 9 for Dropped Header configuration See Table 3 4 for...

Страница 22: ...22 103536 13 2 24 MegaSteam Installation Service Manual Figure 3 1 Recommended Boiler Piping for Gravity Return Steam Boiler 3 Steam Boiler Piping Trim continued...

Страница 23: ...4 in Nipple 101436 01 1 13 1 1 2 in Wye 101437 01 1 14 1 1 2 in 1 1 4 in Bush 806600539 2 15 1 1 4 in x 22 3 16 in Nipple 106711 01 1 16 1 1 4 in x 3 4 in x 1 1 4 in Tee 806601002 2 17 1 1 4 in x 9 7...

Страница 24: ...ee 806601108 1 12 2 in x 10 in Nipple 806600037 1 13 2 in x 13 3 8 in Nipple 101441 01 1 14 2 in Wye 806601124 1 15 2 in 1 1 2 in Bush 806600517 1 16 1 1 2 in x 20 5 8 in Nipple 101442 01 1 17 1 1 2 i...

Страница 25: ...2 in x 4 3 4 in Nipple 101436 01 1 14 1 1 2 in Wye 101437 01 1 15 1 1 2 in 1 1 4 in Bush 806600539 2 16 1 1 4 in x 22 3 16 in Nipple 106711 01 1 17 1 1 4 in x 3 4 in x 1 1 4 in Tee 806601002 2 18 1 1...

Страница 26: ...n Tee 806601079 1 12 3 in Tee 806601108 1 13 2 in x 7 3 8 in Nipple 101907 01 1 14 2 in Wye 806601124 1 15 2 in 1 1 2 in Bush 806600517 1 16 1 1 2 in x 20 5 8 in Nipple 101442 01 1 17 1 1 2 in x 1 1 2...

Страница 27: ...te as much hot water while seeking a water temperature Higher temperature hot water required by dishwashers and automatic washers is possible by piping the hot water from the heater prior to entering...

Страница 28: ...s Water Heater Piping Boiler Model Heater No Intermittent Draw GPM Pressure Drop thru Heater PSI MST288 222B 3 00 19 5 MST396 3 25 28 7 MST513 3 50 32 5 MST629 4 00 36 2 MST758 4 25 43 3 MST892 4 50 4...

Страница 29: ...anual Figure 4 3 Alliance SL Water Heater Piping with MegaSteam Boiler B CONNECT ALLIANCE SL INDIRECT WATER HEATER PIPING as shown in Figure 4 3 1 Refer to Alliance SL manual for additional informatio...

Страница 30: ...Prior to the installation of any new or replacement fuel burning equipment the chimney shall be inspected by a qualified installer The chimney shall be inspected for integrity as well as for proper dr...

Страница 31: ...3 2 24 MegaSteam Installation Service Manual Figure 5 1 Recommended Vent Pipe Arrangement and Chimney Requirements Figure 5 2 Proper and Improper Locations of Draft Regulator 5Venting Air Intake Pipin...

Страница 32: ...e outlet of boiler a Type L or a factory built chimney material that complies with the Type HT requirements of ANSI UL 103 Install in accordance with listing and manufacturer s instructions b Steel pi...

Страница 33: ...cy of the boiler is based on the insertion of flue baffles supplied with your product Under no circumstances are other baffles to be used on this product Refer to Section 2 Item E for baffle installat...

Страница 34: ...ture away from thermostat so there will be free movement of room air around this control Heat Anticipator in Thermostat should be set to match the requirements of the control to which it is connected...

Страница 35: ...24 MegaSteam Installation Service Manual Figure 6 1 Wiring Diagram Hydrolevel CG450 Probe LWCO SEE FIGURE 6 3 FOR SCHEMATIC WIRING DIAGRAM OF APPROPRIATE BURNER AND OIL PRIMARY CONTROL OPTION 6 Electr...

Страница 36: ...egaSteam Installation Service Manual Figure 6 2 Wiring Diagram McDonnell Miller PSE 801 Probe LWCO SEE FIGURE 6 3 FOR SCHEMATIC WIRING DIAGRAM OF APPROPRIATE BURNER AND OIL PRIMARY CONTROL OPTION 6 El...

Страница 37: ...37 103536 13 2 24 MegaSteam Installation Service Manual Figure 6 3 Schematic Wiring Diagram Beckett 6 Electrical continued...

Страница 38: ...water temperature at the selected setting for proper operation of the domestic water heater if equipped with optional tankless heater BOILER SEQUENCE OF OPERATION WITH PROBE LWCO See Figure 6 2 When...

Страница 39: ...uire the use of a fusible electrical interlock with the burner circuit Check your local Codes for special requirements B SINGLE PIPE OIL LINES 1 Standard burners are provided with single stage 3450 rp...

Страница 40: ...tem Accidental closure of the return line will rupture the oil pump seals Lift H Figure 7 4 Maximum Length of Tubing H R 3 8 in OD Tubing 3 GPH 1 2 in OD Tubing 3 GPH 0 ft 93 ft 100 ft 2 ft 85 ft 100...

Страница 41: ...e details A ALWAYS INSPECT INSTALLATION BEFORE STARTING BURNER 1 Verify that the venting water piping oil piping and electrical system are installed properly Refer to Installation Instructions contain...

Страница 42: ...rate the burner automatically If for unknown reasons the burner ceases to fire and the reset button on the primary control has tripped the burner has experienced ignition failure WARNING Do not attemp...

Страница 43: ...ation 2 Safe Start Check a Place a jumper across the cad cell terminals b Initiate a call for heat c Burner must not start Verify that the SYS light is green FLM light is yellow and that the control r...

Страница 44: ...events excessive accumulation of oil in the appliance firing chamber i Lockout The control has shut down for one of the following safety reasons i The trial for ignition lockout time expired without f...

Страница 45: ...soft 1 Second Tap Reset Control Lockout hard 15 Seconds Reset Control Valve On Delay For Ignition or Carryover 1 Second Tap Go to pump after pump priming is enabled per the next step Powered On 15 Sec...

Страница 46: ...g that is sufficiently tight around potential entry points for RCF dust 3 Gloves 4 Eye protection such as goggles safety glasses with side shields or full facepiece Take steps to assure adequate venti...

Страница 47: ...Clean the pipe threads of the probe to remove old hardened pipe dope and other foreign matter i Apply a moderate amount of good quality pipe dope to the pipe threads on the probe leaving the two end...

Страница 48: ...the appropriate amount of a recommended boilout compound Remove safety valve from boiler and pour this solution into boiler then reinstall safety valve iii Turn on oil burner and keep operating while...

Страница 49: ...boiler sooner Our warranty does not cover oxygen corrosion and sediment related damage Clearly it is in everyone s best interest to prevent this type of failure You can do your part by ensuring that...

Страница 50: ...s in the bottom of the combustion chamber and smoke box B CLEAN THE COMBUSTION CHAMBER Use a wire or fiber bristle brush to clean the surfaces of the combustion chamber Vacuum all of the loose debris...

Страница 51: ...could result if the boiler is connected to a dirty or inadequate chimney The interior of the chimney flue must be inspected and cleaned before the start of the heating season and should be inspected...

Страница 52: ...the smaller the slots become in the nozzle and the more prone to plugging it becomes with the same amount of dirt 7 WATER Water in the fuel in large amounts will stall the fuel pump Water in the fuel...

Страница 53: ...cks out after Trial For Ignition TFI a No oil to burner b Shorted electrodes c Nozzle clogged d Airflow too high e Ignitor module defective f CAD cell defective g Oil valve stuck open or closed Note T...

Страница 54: ...obtained through your local U S Boiler Company Wholesale distributor Should you require assistance in locating a U S Boiler Company Distributor in your area or have questions regarding the availabilit...

Страница 55: ...1 1 1C Burner Swing Door Assembly Includes Hinge and Hardware 109556 01 1 1 1 1 109557 01 1 1 1D Cleanout Cover Assembly 109563 01 2 2 2 2 2 2 1E Flue Collar Includes Hardware 109568 01 1 1 1 109569...

Страница 56: ...56 103536 13 2 24 MegaSteam Installation Service Manual 12 Service Parts continued MegaSteam Water Boilers Trim...

Страница 57: ...58 01 1 1 1 112560 01 1 112561 01 1 2F Low Water Cut off Includes Harness and Probe Hydrolevel CG450 109708 01 1 1 1 1 1 1 McDonnel Miller PSE801 109714 01 1 1 1 1 1 1 2G Pressure Limit Includes Harne...

Страница 58: ...ber MST288 MST396 MST513 MST629 MST758 MST892 Not Shown Beckett Natural Draft 112210 01 1 112204 01 1 112205 01 1 112206 01 1 112555 01 1 112556 01 1 Primary Becket 7565 Obtain Locally 1 1 1 1 1 1 Bur...

Страница 59: ...Pump Pressure psi MST288 1 0 75 AFG L1 6 1 0 60 x 60A Delavan 150 MST396 1 05 AFG L1 9 0 0 75 x 60B Delavan 180 MST513 1 35 AFG V1 2 7 1 1 00 x 60B Delavan 180 MST629 1 65 AFG V1 3 10 3 1 25 x 60B Hag...

Страница 60: ...se valve You will not close this after the skimming process starts This pipe nipple must be horizontal and must come straight out It can not elbow up We are trying to skim the water surface therefore...

Страница 61: ...Cut off LWCO WARNING DO NOT ATTEMPT to cut factory wires to install an aftermarket Low Water Cut Off LWCO Only use connections specifically identified for Low Water Cut Off In all cases follow the Lo...

Страница 62: ...62 103536 13 2 24 MegaSteam Installation Service Manual U S Boiler Company LLC P O Box 3020 Lancaster PA 17604 1 888 432 8887 www usboiler net...

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