Market Forge Industries M24E18A Installation & Operating Manual Download Page 14 | Manualshive

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Pressure Switch Box

Page 10

PRESSURE SWITCH BOX WITHOUT COVER

ITEM NO.

1
2
3
4
5
6

PART NO.

94-5064
10-8410

10-8411

98-3875
08-7933
10-4804

DESCRIPTION

Box, Pressure Switch
Pressure Switch, Hi-Limit
Pressure Switch, Operating
Switch, Drain By-Pass
Manifold, Pressure Switches
Pressure Gauge

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Summary of Contents for M24E18A

Page 1: ...GHLY 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 35 Garvey Street l Everett l MA l 02149 Tel 617 387 4100 ...

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Page 4: ...rgence 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 parts listing provides infor...

Page 5: ...l cartons 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 container 4 After inspection replace the cartons over the equipment on the skids to protect and secure the equipment until it is ready for installation 5 Sign for shipment if all is in order Note shortages external and concealed d...

Page 6: ...owered equipment NOTES If equipment is installed where elevation exceeds 2 000 feet 609 6 meters above sea level specify installation altitude so that proper gas orifices can be provided The only available space to supply utilities to the gas boiler is the 6 152mm space between the floor and the cabinet Allow 3 76mm space from side wall and 6 152mm from real wall if adjoining walls are combustible...

Page 7: ...WITH 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 AND CLEANING ST...

Page 8: ...re out of adjustment 3 Safety valve not seating properly 4 Contactor coils one or both not energizing and closing circuit to the heating elements REMEDY 1 Turn on 2 Check main fuse or circuit 3 Remove and clean 4 See page 8 for test procedure 5 If 120V is verified at solenoid coil but fails to open replace solenoid 1 Clean or replace strainer screen Part No 08 4871 1 Open 1 Check for voltage at te...

Page 9: ...tive 3 Tighten coil nut 4 Check solenoid coil for continuity if open replace 1 Airvent is closing 1 Low voltage 2 Defective or incorrect coil 1 Abnormal inrush of current 2 Low voltage preventing magnet from sealing 3 Short circuit REMEDY 1 Check to see that it matches it with coil contactors 2 Clean or replace contactor 3 Replace with correct voltage coil 1 Readjust 2 Replace 3 Clean 4 Replace va...

Page 10: ...ve current 3 Check contact carrier for deformation or damage clean and tighten connections 4 Clean with Acetone 5 Remove fault and check to be sure fuse or breaker size is correct COILS TROUBLE Open circuit Overheated Coil POSSIBLE CAUSE 1 Mechanical damage 2 Burnt out coil due to overvoltage or defect 1 Over voltage or high ambient temperature 2 Wrong coil 3 Shorted turns caused 4 Under voltage f...

Page 11: ...sure control switch A and high limit pressure control switch B by turning adjusting nut Knurled knob clockwise to raise and counter clockwise to lower actuation point Switch A should be set so that boiler comes on when boiler pressure gauge reads 12 PSI and goes off when gauge reads 14 PSI Switch B should be set so that boiler will shut off if pressure reaches 15 PSI If 15 lb boiler is used for 5 ...

Page 12: ...emove jumper wire from LW 1 and GND terminals m LED 3 should turn off after a 3 second delay m Connect jumper wire to LW 1 and GND terminals m LED 3 should turn on IMPORTANT Jumper wire between LW 1 and GND terminals must remain in place to test secondary low water function Test Secondary Low Water Function m Connect jumper wire to LW 2 and GND terminals m LED 2 should remain off m Use V O M to ve...

Page 13: ... 3992 98 3993 10 0631 08 5211 08 5208 08 5206 10 0326 98 3968 98 3978 98 3991 98 3994 98 3995 98 3996 DESCRIPTION Market Forge Nameplate Logo Handle Front Panel Front Assy 24 Panel Front Assy 36 Leg 6 Leg 10 Leg Flanged 6 Leg 8 Caster 5 Trim Edge Glass Gasket Adhesive Panel Side Assy Panel Rear Assy 24 Panel Rear Assy 36 ...

Page 14: ...CH BOX WITHOUT COVER ITEM NO 1 2 3 4 5 6 PART NO 94 5064 10 8410 10 8411 98 3875 08 7933 10 4804 DESCRIPTION Box Pressure Switch Pressure Switch Hi Limit Pressure Switch Operating Switch Drain By Pass Manifold Pressure Switches Pressure Gauge ...

Page 15: ... COVER ITEM NO 1 2 3 4 5 6 7 8 9 10 PART NO 08 6549 94 5127 10 5052 94 5003 08 6469 98 1680 08 6472 08 6475 98 3877 08 6468 DESCRIPTION Switch Power Switch Manual Reset Light Red Artwork Control Box Fuse Holder Board Water Level Control Relay Tube Relay Base Relay Bracket Fuse 5A ...

Page 16: ... 10 5234 10 1058 08 4822 08 7959 98 3894 98 1401 10 0287 10 4137 08 7974 98 3914 10 4556 08 4900 DESCRIPTION Hose Drain Clamp Hose Box Drain Assy Transformer Valve Cold Water Condenser 120V Valve Boiler Feed Hose Condenser Copper Nozzle Valve Check Hose Drain Clamp Hose Clamp Hose Compression Fitting Air Vent Manual Valve Water Inlet ...

Page 17: ...tric Boiler Shown Page 13 FRONT VIEW ELECTRIC BOILER ITEM NO 1 2 3 4 PART NO 10 1311 10 7955 98 1667 94 5065 DESCRIPTION Valve Drain 120V Valve Safety 15PSI Cover Front Contactor Box Cover Pressure Switch Box ...

Page 18: ...OVER ITEM NO 1 2 3 4 5 6 7 8 PART NO 98 1670 10 5944 98 1720 08 6553 10 5220 08 7981 98 1663 98 4014 DESCRIPTION Box Contactor Contactor Terminal Block Hi Limit Thermostat Ground Lug Terminal Strip Bracket Contactor Mounting Bracket Contactor Tray Page 14 ...

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