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ELECTRICALLY OPERATED
FACSIMILE
tt
(617)
OUTSIDE MA (800) 227-2659
Form No. S-2379 Printed in U.S.A. 3/90
STEAM GENERATOR
OWNERS MANUAL
387-4456
MODELS:
M24E18,
M24E24,
M24E36,
M24E42,
M36E18,
M36E24,
M36E36,
M36E42,
35 Garvey St., Everett, MA 02149-4403 Tel. (617) 387-
4100, Telex 94-9414, Cable MAFORCO
M24E32,
M24E48,
M36E32,
M36E48
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Table of Contents
Troubleshooting
Related Manuals for Market Forge Industries M24E18
Summary of Contents for Market Forge Industries M24E18
- Page 1 ELECTRICALLY OPERATED STEAM GENERATOR OWNERS MANUAL MODELS: M24E18, M24E24, M24E32, M24E36, M24E42, M24E48, M36E18, M36E24, M36E32, M36E36, M36E42, M36E48 35 Garvey St., Everett, MA 02149-4403 Tel. (617) 387- FACSIMILE (617) 387-4456 OUTSIDE MA (800) 227-2659 4100, Telex 94-9414, Cable MAFORCO...
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Page 2: Table Of Contents
TABLE OF CONTENTS Page Introduction..............How To Use This Manual ........Theory of Operation ......... Receiving Instructions........Installation Instructions......Operating Instructions........... Liquid Level Control Diagram........6, 8 Trouble Shooting Liquid Level Control Board ..... 7, 9 General Trouble Shooting Guide .............10,11,12 Operation/Adjustment of Pressure Reducing Valves ..... -
Page 3: Introduction
INTRODUCTION Market Forge, in the interest of both costs and efficiency to the purchasers of its equipment, has designed these steam generators with the latest type automatic controls in order to make it easier for the operator to use and maintain this equipment. -
Page 4: Receiving Instructions
Installation Instructions 35 Garvey St., Everett, MA 02149 Tel. (617) 387-4100 ELECTRICALLY OPERATED STEAM GENERATORS WARNING: READ THIS BEFORE OPENING THE SHIPPING CONTAINERS DO NOT AT ANY TIME LAY THE EQUIPMENT DOWN ON ITS BACK, SIDE, TOP OR FRONT. Doing so may damage the equipment and invalidate the warranty. - Page 5 INSTALLATION ROUGH-IN REQUIREMENTS Power Supply—Use wire suitable for at least 90°C. Nominal amp per line wire: Volts 18KW 24KW 32KW 36KW 42KW 48KW 1ph 3ph 3ph 208(197.219) 86 — 240(220-240) 75 — 480 (360-500) 36 — Details of other electrical systems available upon request. Hot Water—...
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Page 6: Operating Instructions
Operating Instructions MARKET FORGE MODULAR STEAM GENERATOR OPERATING INSTRUCTIONS WARNING: The installation of this appliance is to be in accordance with the current CAN 1-B149. 1 of CAN1- B149.2 - Installation Code for Gas Burning Appliances and Equipment and/or Local Codes. WARNING: All Electrical connections are to be made in accordance with CSA C22.1 Canadian Electrical Code Part 1 and/or Local Codes. - Page 7 DAILY OPERATING, SHUT-DOWN & CLEANING INSTRUCTIONS First check to be sure that: A. WATER and HEAT switches are in the OFF position. B. WATER supply valve is OPEN. C. ELECTRICITY is connected to ALL units. D. STEAM is turned on. E.
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Page 9: Trouble Shooting Liquid Level Control Board
TEST PROCEDURES - MARKET FORGE #08-6328 (120V) MARKET FORGE #08-6329 (240V) The following is a troubleshooting guide designed to find out if the Dual Function Control is working properly. It is not designed to find out why the control has failed. The Series Dual Function control is two controls in one, one half being the feed water control, the other half the low level cutoff portion. - Page 11 TEST PROCEDURES - MARKET FORGE #08-6407 (120V) (CALIF.) The following is a troubleshooting guide designed to find out if the Dual Function and Series 26 Controls are working properly. It is not designed to find out why the controls have failed. The Series Dual Function control is two controls in one, one half being the feed water control, the other half the low level cutoff portion.
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Page 12: General Trouble Shooting Guide
GENERAL TROUBLE SHOOTING GUIDE TROUBLES POSSIBLE CAUSE REMEDY Water does not enter steam 1. Water main shut-off. 1. Turn on. generator. 2. Power not reaching unit. 2. Check main fuse or circuit. 3. Probes Dirty 3. Remove & Clean 4. Water level control board defective See page #9 for test procedure 5. - Page 13 GENERAL TROUBLE SHOOTING GUIDE TROUBLES POSSIBLE CAUSE REMEDY Contactor chatters. 1. Check to see that it matches it with coil 1. Incorrect supply voltage. in contactors 2. Dirty or worn contactor points. 2. Clean or replace contactor 3. Weak coil. 3.
- Page 14 TROUBLE SHOOTING THE MARKET FORGE CO. CONTACTOR The following table lists the major causes of trouble encountered with contactors and the suggested remedies: CONTACTS TROUBLE CAUSE REMEDY Contactor Chatter 1. Low Voltage 1. Check voltage condition. Check momentary voltage dip during starting. Low voltage prevents magnet sealing.
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Page 15: Operation/Adjustment Of Pressure Reducing Valves
adjusting spring forces the diaphragm down, reopening the valve. Where demand and initial pressures are fa irly constant, the valve opens to the proper position and maintains the desired reduced pressure. ADJUSTING WATTS 3/4" REDUCING VALVE 1. Release the adjusting screw lock nut and loosen the adjusting screw enough to release all tension on adjusting spring (1). -
Page 16: Adjustment, Pressure Control Switches
Setting of Steam Generator Control Pressure Switches PRESSURE CONTROL SWITCH ADJUSTMENT wise to raise and counterclockwise to lower If generator fails to maintain steam pressure in actuation point. Switch (A) should be set so that operating range, pressure control switch may generator comes on when generator pressure require adjustment. -
Page 20: 24" Cabinet Base
24" Cabinet ITEM NO. PART NO. DESCRIPTION ITEM NO. PART NO. DESCRIPTION 90-2657 Rear Panel St. Steel 10-5561 Maqnetic Catch 90-3013 Rear Panel St. Steel Kit 10-1869 No. 10-32 x 1/2" Flat Head Screw 90-2661 Side Panels R & L St. Steel 91-5481 Cabinet Hinqe Top Left &... -
Page 21: 36" Cabinet Base
36" Cabinet ITEM NO. PART NO. DESCRIPTION ITEM NO. PART NO. DESCRIPTION 98-0418 Panel Mounting Bracket 10-1869 No. 10-32 x 1 /2" Flat Head 10-2405 Washer Machine Screw 10-2307 Hex Nut 5/16-18 91 -5475 Door Ass'y 18" Specify L or R * 4A 91-6132 Rear Panel 18"... -
Page 22: Steam Generator - Right Side View
12" & 8" ELECTRIC STEAM GENERATOR CYLINDRICAL ITEM # PART NO. DESCRIPTION 91-8651 12" DIA. STEAM GENERATOR ASS'Y. 91-8750 8" DIA. STEAM GENERATOR ASS'Y. 91 -8771 INSULATION (BLANKET COVER) - 12" STEAM GENERATOR 91-8772 STRAP 10-4479 CLIP 91 -8770 INSULATION (BLANKET COVER) - 8" STEAM GENERATOR 91 -8764 STRAP 10-4479... -
Page 23: Control Box Assy. (Covered & Uncovered)
CONTROL BOX ASSEMBLY ITEM# PART NO. DESCRIPTION 91 -8703 COMPLETE CONTROL BOX ASSY. 120 VOLT AUTO DRAIN 91 -8704 COMPLETE CONTROL BOX ASSY. 240 VOLT AUTO DRAIN (Export) 91 -8705 COMPLETE CONTROL BOX ASSY. 120 VOLT MANUAL DRAIN 91 -8706 COMPLETE CONTROL BOX ASSY. -
Page 24: Heating Elements
HEATING ELEMENTS ITEM PART NO. VOLTAGE DESCRIPTION 08-6412 FIREBAR HEATING ELEMENT 208 VOLT 9KW 1 or 3 PH 08-6413 FIREBAR HEATING ELEMENT 240 VOLT 9KW 1 or 3 PH 08-6414 FIREBAR HEATING ELEMENT 480 VOLT 9KW 1 or 3 PH 08-6415 FIREBAR HEATING ELEMENT 208 VOLT 12KW 08-6416... -
Page 25: Plumbing Section (Left Side View)
PLUMBING SECTION (LEFT SIDE VIEW) ITEM# PART NO. DESCRIPTION 10-5869 WATER GAUGE GLASS (NOT INCLUDED IN ITEM #2) 10-4940 WATER GAUGE GLASS ASSY. 90-0039 RUBBER & BRASS WASHER (NOT SHOWN) 10-1311 DRAIN VALVE 120 VOLT 10-0864 DRAIN VALVE 240 VOLT (EXPORT) 08-4845 WATER FEED HOSE 08-4843... -
Page 26: Contactors & Liquid Level Control Box
ITEM# PART NO. DESCRIPTION 10-5945 CONTACTORS 30 AM P 115V 50/60 Hz 10-5944 CONTACTORS 40 AMP 115V 50/60 Hz 10-5943 CONTACTORS 40 AMP 240V 50/60 Hz (Export) 97-4617 TERMINAL BLOCK ASS'Y. 3-SECTION 97-4616 TERMINAL BLOCK ASS'Y. 4-SECTION (Export) 08-6328 LIQUID LEVEL CONTROL BOARD 10-5570 TERMINAL BLOCK END SECTION (1) REQ'D 10-5503... -
Page 27: A - Small Generator W/Contactor Box
REF: SMALL GENERATOR REF: LARGE GENERATOR WITH CONTACTOR BOX WITH CONTACTOR BOX ITEM # PART NO. DESCRIPTION 10-7974 SIGHT GLASS WINDOW 91 -3368 REFLECTOR REF: ELECTRIC MODULAR BASE STEAM GENERATOR FINAL ASSY. BOTH LARGE & SMALL...