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M24E & M36E
ELECTRICALLY OPERATED BOILERS
PARTS AND SERVICE MANUAL
EFFECTIVE SEPTEMBER 2, 2014
Superseding All Previous Parts Lists.
The Company reserves the right to make substitution in the event that items specified are not available.
ERRORS: Descriptive and/or typographic errors are subject to correction.
MARKET FORGE
Telephone: (802) 658-6600 Fax: (802) 860-3732
www.marketforge.com
P/N 14-0310 Rev A (9/14)
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Related Manuals for Market Forge Industries M24E
Summary of Contents for Market Forge Industries M24E
- Page 1 M24E & M36E ELECTRICALLY OPERATED BOILERS PARTS AND SERVICE MANUAL EFFECTIVE SEPTEMBER 2, 2014 Superseding All Previous Parts Lists. The Company reserves the right to make substitution in the event that items specified are not available. ERRORS: Descriptive and/or typographic errors are subject to correction.
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Page 2: Table Of Contents
ELECTRIC BOILER, ELEMENTS ............20 SEPTEMBER 2, 2014 M24E & M36E ELECTRIC BOILERS... -
Page 3: General Troubleshooting
High limit switch set too low or operating pres- Follow instructions in this document for read- down and fails to come on sure control switch set too high justing, or replace if defective SEPTEMBER 2, 2014 M24E & M36E ELECTRIC BOILERS... - Page 4 Wrong coil Check rating (voltage and frequency) if incor- rect, replace with proper coil Shorted turns caused Replace coil Under voltage, failure of magnet to seal in Correct system voltage. Install new coil SEPTEMBER 2, 2014 M24E & M36E ELECTRIC BOILERS...
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Page 5: Pressure Adjustment
1. Remove screw and lift front cover off control box. 2. Hand adjust operating pressure control switch and high limit pressure control switch by turning adjust- ing nut (Knurled knob) clockwise to raise and coun- SEPTEMBER 2, 2014 M24E & M36E ELECTRIC BOILERS... -
Page 6: Water Control Board Testing Procedure
Use V-O-M to verify that there is power at the • DO NOT remove wires from L 1 & L2 terminals. ‘FW(NO)’ terminal. • Tag wires and remove from probe and relay contact terminals including ‘GND’ terminal. SEPTEMBER 2, 2014 M24E & M36E ELECTRIC BOILERS... - Page 7 Use V-O-M to verify that there is power at the ‘LO OTHER COMPONENTS WILL BE REQUIRED! LlTE(NC)’terminal and no power at the ‘HTR(NO)’ terminal. • Remove the jumper wires from the ‘RESET’ termi- nals. SEPTEMBER 2, 2014 M24E & M36E ELECTRIC BOILERS...
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Page 8: Wiring Diagrams
NEW GENERATION ELECTRIC BOILERS WIRING DIAGRAM 94 - 5045 C SEPTEMBER 2, 2014 M24E & M36E ELECTRIC BOILERS... - Page 9 NEW GENERATION ELECTRIC BOILERS SCHEMATIC DIAGRAM 94 - 5045 C SEPTEMBER 2, 2014 M24E & M36E ELECTRIC BOILERS...
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Page 10: Kw, 24 Kw
18 KW, 24 KW WIRING SEPTEMBER 2, 2014 M24E & M36E ELECTRIC BOILERS... - Page 11 18 KW, 24 KW WIRING SEPTEMBER 2, 2014 M24E & M36E ELECTRIC BOILERS...
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Page 12: Kw, 42 Kw, 48 Kw
36 KW, 42 KW, 48 KW WIRING SEPTEMBER 2, 2014 M24E & M36E ELECTRIC BOILERS... -
Page 13: Kw, 48 Kw
36 KW, 48 KW WIRING SEPTEMBER 2, 2014 M24E & M36E ELECTRIC BOILERS... -
Page 14: 24" Boiler Base
08-5208 Leg, Flanged 6” 08-5206 Leg, 8” 10-0326 Caster, 5” 98-3968 Trim, Edge 98-3978 Glass 98-3991 Gasket, Adhesive 98-3994 Panel, Side Assy 98-3995 Panel, Rear Assy, 24” 98-3996 Panel, Rear Assy, 36” SEPTEMBER 2, 2014 M24E & M36E ELECTRIC BOILERS... -
Page 15: Pressure Switch Box, Without Cover
PRESSURE SWITCH BOX, WITHOUT COVER ITEM PART NO. DESCRIPTION 94-5064 Box, Pressure Switch 10-8410 Pressure Switch, Hi-Limit 10-8411 Pressure Switch, Operating 98-3875 Switch, Drain By-Pass 08-7933 Manifold, Pressure Switches 10-4804 Pressure Gauge SEPTEMBER 2, 2014 M24E & M36E ELECTRIC BOILERS... -
Page 16: Control Box Asembly, With & Without Cover
Switch, Power 94-5127 Switch, Manual Reset 10-5052 Light, Red 94-5003 Control Box Lexan 08-6469 Fuse Holder 98-1680 Board, Water Level Control 08-6472 Relay Tube 08-6475 Relay Base 98-3877 Relay Bracket 08-6468 Fuse, 5A SEPTEMBER 2, 2014 M24E & M36E ELECTRIC BOILERS... -
Page 17: Electric Boiler, Left Side View - 36
Hose, Condense 98-3894 Copper Nozzle 98-1401 Valve, Check 10-0287 Hose, Drain 10-4137 Clamp, Hose 08-7974 Clamp Hose 98-3914 Compression Fitting 10-4556 Air Vent 08-4900 Manual Valve, Water Inlet 98-3892 Thermostat, Cold Water Condenser SEPTEMBER 2, 2014 M24E & M36E ELECTRIC BOILERS... -
Page 18: Electric Boiler, Front View - 36
Pressure Switch Manifold 08-5427 3/4” Br. Nipple, 2 1/2” Lg. 08-4991 3/4” Side Outlet Tee 10-7943 3/4” Brass Union 10-1126 3/4” Nipple, 2” Brass 10-3455 90O Elbow Not Shown 98-1656 Cover, Rear, Contactor Box SEPTEMBER 2, 2014 M24E & M36E ELECTRIC BOILERS... -
Page 19: Electric Boiler, Contactor Box
ELECTRIC BOILER, CONTACTOR BOX ITEM PART NO. DESCRIPTION 98-1670 Box, Contactor 10-5944 Contactor 98-1720 Terminal Block 08-6553 Hi-Limit Thermostat 10-5220 Ground Lug 08-7981 Terminal Strip 98-1663 Bracket, Contactor Mounting 98-4014 Bracket, Contactor Tray SEPTEMBER 2, 2014 M24E & M36E ELECTRIC BOILERS... -
Page 20: Electric Boiler, Elements
Heating Element, 16kW, 208 Volts 08-6419 Heating Element, 16kW, 240 Volts 08-6420 Heating Element, 16kW, 480 Volts (a.k.a 277 Volts) 08-6337 Water Level Probe 98-3936 Screw, 1/4-20 Socket Set Screw, Stainless Steel 08-7840 Nut, 1/4-20 Flanged SEPTEMBER 2, 2014 M24E & M36E ELECTRIC BOILERS...