Market Forge Industries M24E24A Installation, Operating, Maintenance And Parts Manual Download Page 1 | Manualshive

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Market Forge Industries M24E24A Installation, Operating, Maintenance And Parts Manual Download Page 1

ELECTRIC OPERATED BOILER

INSTALLATION, OPERATING, MAINTENANCE AND PARTS MANUAL

MODELS:

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M24E24A

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M24E32A

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M24E36A

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M24E42A

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M24E48A

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M36E24A

□

M36E24A

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M36E32A

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M36E36A

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M36E42A

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M36E48A

WARNING:

IMPROPER INSTALLATION, ADJUSTMENT, ALTERATION, SERVICE OR MAINTENANCE
CAN CAUSE PROPERTY DAMAGE, INJURY OR DEATH. READ THE INSTALLATION, OP-
ERATION AND MAINTENANCE INSTRUCTIONS THOROUGHLY BEFORE INSTALLING
OR SERVICING THIS EQUIPMENT.

FOR YOUR SAFETY:

DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS AND LIQUIDS IN
THE VICINITY OF THIS OR ANY OTHER APPLIANCE.

POST INSTRUCTIONS IN A PROMINENT LOCATION TO BE FOLLOWED IN THE EVENT
THE USER SMELLS GAS. THIS INFORMATION SHALL BE OBTAINED BY CONSULTING
THE LOCAL GAS SUPPLIER.

Printed in U.S.A.

Form No S-3112

Rev. D

35 Garvey Street, Everett, MA 02149

Tel: (617) 387-4100, (866) 698-3188, Fax: (617) 387-4456, (800) 227-2659

[email protected], www.mfii.com

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Summary of Contents for M24E24A

Page 1: ...TENANCE INSTRUCTIONS THOROUGHLY BEFORE INSTALLING OR SERVICING THIS EQUIPMENT FOR YOUR SAFETY DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS AND LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE Post instructions in a prominent location to be followed in the event the user smells gas This information shall be obtained by consulting the local gas supplier Printed in U S A Form No S 311...

Page 2: ...CTIONS FOR STEAM GENERATORS 3 DAILY OPERATING PROCEDURE 3 DAILY SHUT DOWN AND CLEANING 3 ADJUSTMENTS 4 5 IF GAS PRESSURE IS LOW 4 IF GAS PRESSURE IS TOO HIGH 4 SETTING OR BOILER CONTROL PRESSURE SWITCHES 5 PRESSURE CONTROL SWITCH ADJUSTMENT 5 ELECTRICAL INFORMATION 6 12 MAINTENANCE 13 14 APPLICATION INSTRUCTIONS 15 16 GENERAL TROUBLE SHOOTING GUIDE 17 20 ILLUSTRATED PARTS LIST 21 27 BOILER BASE CA...

Page 3: ... or capac ity dictate a divergence from this policy for more efficiency of operation This parts and service manual is written and illustrated to cover all steam boiler equipment that uses gas as a source of fuel other than those which have been custom designed under special order HOW TO USE THIS MANUAL The pictures of components are aids to the identification disassembly and assembly of parts The ...

Page 4: ...artons from their skids to examine equipment for concealed damage The carton is nailed and strapped to the skid It will be necessary to cut the straps and pry off the con tainer After inspection replace the cartons over the equipment on the skids to protect and secure the equipment until it is ready for installation Sign for shipment if all is in order Note shortages external and concealed damage ...

Page 5: ...line may be left open if the boiler has to be situ ated in a tiled floor depression or a tiled curb section that is equipped with drain facilities If this is not the case then a 2 51mm NPT drain line must be connected to divert the exhaust to the floor drain If it is necessary to use more than three elbows increase the size of the waste line accordingly NOTE PVC CPVC PIPE ARE NOT ACCEPTABLE MATERI...

Page 6: ... THEN PROCEED EITH DAILY OPERATING PROCEDURES DAILY OPERATING PROCEDURE STEP 1 PRESS WATER SWITCH FROM OFF TO ON STEP 2 WAIT 5 10 MINUTES FOR WATER TO FILL IN STEAM GENERATOR GAUGE GLASS SHOULD BE 2 3 FULL STEP 3 PRESS HEAT SWITCH FROM ON TO OFF AND RELEASE BACK TO ON WHEN THE LOW WATER LIGHT GOES OFF GREEN INDICATOR LIGHT WILL COME ON THIS IS NECESSARY TO MANUALLY RESET THE UNIT DAILY SHUT DOWN A...

Page 7: ...ast 11 of water column pressure in the gas supply line If this adjust ment cannot be made to your satisfaction the gas supplier should be notified B IF GAS PRESSURE IS TOO HIGH Adjust the pressure regulator on the boiler gas valve to reduce the pressure if Natural gas is being used If Propane gas is being used adjust the pressure regulator supplied by the gas supplier If the regulator cannot be ad...

Page 8: ...pressure control switch and high limit pressure control switch by turning adjusting nut Knurled knob clockwise to raise and counter clockwise to lower actuation point Switch should be set so that boiler comes on when boiler pressure gauge reads 5 PSI and goes off when gauge reads 7 PSI Switch should be set so that boiler will shut off if pressure reaches 15 PSI The actuation value differential is ...

Page 9: ...ELECTRICAL INFORMATION ____________________________________________________________________________ WIRING DIAGRAM FOR NEW GENERATION BOILER 6 D 94 5045 C ...

Page 10: ...7 D 94 5045 C ELECTRICAL INFORMATION ____________________________________________________________________________ WIRING SCHEMATIC FOR NEW GENERATION BOILER ...

Page 11: ...8 ELECTRICAL INFORMATION ____________________________________________________________________________ WIRING DIAGRAM SINGLE PHASE ...

Page 12: ...9 ELECTRICAL INFORMATION ____________________________________________________________________________ ALTERNATE WIRING 480V AFTER 10 01 05 ...

Page 13: ...10 ELECTRICAL INFORMATION ____________________________________________________________________________ ALTERNATE WIRING 480V AFTER 10 01 05 ...

Page 14: ...11 ELECTRICAL INFORMATION ____________________________________________________________________________ WIRING DIAGRA 18 kW 24 kW 32 kW ...

Page 15: ...ELECTRICAL INFORMATION ____________________________________________________________________________ WIRING DIAGRA 36 kW 42 kW 48 kW 12 ...

Page 16: ...r generator walls and components against rust scale and lime deposits The schedule to change the Cathodic Descaler may be timed to the major cleanings or accelerated where impurities prove to be excessive The normal effectiveness of the descaler is one year Qualified Market Forge Service Agencies are available to establish a suitable schedule for major cleanings and or Cathodic Descaler replacemen...

Page 17: ... will be in contact with the plate CLEAN TO BARE METAL Install new 3 4 NPT Brass fitting and zinc anode see Figure 1 The zinc anode must be completely covered with water to a minimum depth of 1 2 Remove metal chips from generator after drilling and tapping Re install the access cover using a new gasket and staggered tightening measures until boiler is pressurized then make your final tightening Fi...

Page 18: ...cess plug in the steam header line This location should be used to add cleaner descaler to boiler chamber during maintenance On Market Forged boilers manufactured before 8 84 access to boiler chamber should be gained through either the vent rite or the pressure relief valve Total Concept is a NSF listed nonfood product This is a liquid acid nonmuriatic product that works without fumes odors and ha...

Page 19: ...2 gallons of water will cause the low water probe to be immersed in cleaner des caler solution Replace access plug After rinsing the container place tubing inside the bottle cover with shipping cap dispose of properly DO NOT REUSE CONTAINER DO NOT ENERGIZE HEATERS Allow 2 hours for cleaning After time has elapsed drain the boiler Refill the boiler and drain Repeat this step twice Bring the boiler ...

Page 20: ...Heating elements are defec tive 1 2 3 4 5 Check for voltage at terminal block Check continuity of coil if open replace Check for voltage at L1 and L2 replace if defective Readjust to proper set ting refer to instructions for readjustment replace if defective Replace if continuity check through the circuit of each element shows defective 1 2 3 4 5 Boiler fails to reach full operating pressure of 5 ...

Page 21: ...hatters Low voltage Defective or incorrect coil 1 2 Check voltage condition Check momentary voltage dip during starting Low voltage prevents magnet sealing Check coil voltage rating Replace coil rating of coil must match the line voltage 1 2 Welding or freezing 1 Abnormal inrush of cur rent Low voltage preventing mag net from sealing Short circuit 1 2 3 Check for grounds or shorts in system Correc...

Page 22: ...voltage or defect 1 2 Handle and store carefully Do not handle coils by the leads Replace coil 1 2 Overheated Coil 1 Over voltage or high am bient temperature Wrong coil Shorted turns caused Under voltage failure of magnet to seal in 1 2 3 4 Check application and circuit Check rating voltage and frequency if incorrect re place with proper coil Replace coil Correct system voltage Install new coil 1...

Page 23: ...uld turn off after a 10 second delay Use V O M to verify that there is no power at the FW NO terminal Remove jumper from FW HIGH and GND terminals LED l should turn on Use V O M to verify that there is power at the FW NO terminal Test Primary Low Water Function Connect jumper wire to LW 1 and GND terminals LED 3 should turn on Remove jumper wire from LW 1 and GND terminals LED 3 should turn off af...

Page 24: ...8 5894 Market Forge Nameplate Logo 2 91 5795 Handle Front 3 98 3992 Panel Front Assy 24 3 98 3993 Panel Front Assy 36 4 10 0631 Leg 6 4 08 5211 Leg 10 4 08 5208 Leg Flanged 6 4 08 5206 Leg 8 4 10 0326 Caster 5 5 98 3968 Trim Edge 6 98 3978 Glass 7 98 3991 Gasket Adhesive 8 98 3994 Panel Side Assy 9 98 3995 Panel Rear Assy 24 9 98 3996 Panel Rear Assy 36 ...

Page 25: ...________________________________ Pressure Switch Box ITEM PART NO DESCRIPTION 1 94 5064 Box Pressure Switch 2 10 8410 Pressure Switch Hi Limit 3 10 8411 Pressure Switch Operating 4 98 3875 Switch Drain By Pass 5 08 7933 Manifold Pressure Switches 6 10 4804 Pressure Gauge ...

Page 26: ...ntrol Box Assembly Electric Boilers ITEM PART NO DESCRIPTION 1 08 6549 Switch Power 2 94 5127 Switch Manual Reset 3 10 5052 Light Red 4 94 5003 Artwork Control Box 5 08 6469 Fuse Holder 6 98 1680 Board Water Level Control 7 08 6472 Relay Tube 8 08 6475 Relay Base 9 98 3877 Relay Bracket 10 08 6468 Fuse 5A ...

Page 27: ... Drain 2 10 4137 Clamp Hose 3 91 6927 Box Drain Assy 4 10 5234 Transformer 5 10 1058 Valve Cold Water Condenser 120V 6 08 4822 Valve Boiler Feed 7 08 7959 Hose Condenser 8 98 3894 Copper Nozzle 9 98 1401 Valve Check 10 10 0287 Hose Drain 11 10 4137 Clamp Hose 12 08 7974 Clamp Hose 13 98 3914 Compression Fitting 14 10 4556 Air Vent 15 08 4900 Manual Valve Water Inlet ...

Page 28: ...2 10 7955 Valve Safety 15PSI 3 98 1667 Cover Front Contactor Box 4 94 5065 Cover Pressure Switch Box 5 08 5447 3 4 NPT Brass Street Elbow 6 10 2728 Water Gauge Glass Ass y 6a 10 4754 Water Gauge Glass Only 7 08 7933 Pressure Switch Manifold 8 08 5427 3 4 Br Nipple 2 1 2 Lg 9 08 4991 3 4 Side Outlet Tee 10 10 7943 3 4 Brass Union 11 10 1126 3 4 Nipple 2 Brass 12 10 3455 90O Elbow ...

Page 29: ..._________________ Electric Boiler Contactor Box ITEM PART NO DESCRIPTION 1 98 1670 Box Contactor 2 10 5944 Contactor 3 98 1720 Terminal Block 4 08 6553 Hi Limit Thermostat 5 10 5220 Ground Lug 6 08 7981 Terminal Strip 7 98 1663 Bracket Contactor Mounting 8 98 4014 Bracket Contactor Tray ...

Page 30: ...W 208 Volts 4b 08 6486 Heating Element 9kW 240 Volts 4c 08 6487 Heating Element 9kW 480 Volts a k a 277 Volts 4d 08 6415 Heating Element 12kW 208 Volts 4e 08 6416 Heating Element 12kW 240 Volts 4f 08 6417 Heating Element 12kW 480 Volts a k a 277 Volts 4g 08 6491 Heating Element 14kW 208 Volts 4h 08 6418 Heating Element 16kW 208 Volts 4j 08 6419 Heating Element 16kW 240 Volts 4k 08 6420 Heating Ele...

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