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Midco Economite DS24A Installation And Service Instructions Manual
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Midco Economite DS24A Installation And Service Instructions Manual

Conversion burners
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Installation and Service Instructions
MADE
in the
USA
• In the United States, installation must conform with local codes or in
the absence of local codes, with the National Fuel Gas Code, ANSI
Z223.1-latest edition available from American National Standard
Institute. Installation of Domestic Gas Conversion Burners, ANSI
Z21.8a- latest edition and National Fuel Gas Code, ANSI Z223.1-
latest edition(s) available from American National Standard Institute.
Further reference should be made to the recommendation of your
fuel supplier.
• In Canada, installation must conform with local codes or in the
absence of local codes, with Installation Codes for Gas Burning
Appliances and Equipment, CGA Standard CAN/CGA 1-B-149.1
or 2. When the conversion burner is used on a Forced Air Central
Furnace, the two yellow and black warning labels in the literature
envelope shall be attached in accordance with Installation Code,
CGA Standard CAN/CGA 1-B149, Clause 5.4.4.4. Further reference
should be made to the recommendation of your fuel supplier.
•
WARNING: Additions, changes, conversions and service
must be performed by an authorized Midco representative,
service agency or the fuel supplier. Use only MIDCO specifi ed
and approved parts.
• INSTALLER: Inform and demonstrate to the user the correct
operation and maintenance of the gas utilization equipment. Inform
the user of the hazards of storing fl ammable liquids and vapors
in the vicinity of this gas utilization equipment and remove such
hazards. Affi x this manual and associated literature to the burner.
CODE COMPLIANCE IS THE SOLE RESPONSIBILITY OF THE
INSTALLER.
• USER: Retain this manual for future reference. If other than routine
service or maintenance as described in this manual and associated
literature is required, contact a qualifi ed service agency. DO NOT
ATTEMPT REPAIRS. An inadvertent service error could result in a
dangerous condition.
AVOID ERROR IN PARTS SELECTION. When ordering use complete MIDCO
Part Number and Description. Furnish Burner Model Number, Bill of Material
Number and Serial Number (if available) from the specifi cation plate found on the
product.
IMPORTANT: Availability of parts as well as specifi cations are subject to change
without notice. Please consult factory for item availability.
®
Midco
International Inc.
4140 West Victoria Street
Chicago, Illinois 60646
toll free 866.705.0514
tel
773.604.8700
fax
866.580.8700
web
www.midcointernational.com
e-mail sales@midcointernational.com
SAFETY INFORMATION TERMS: The following terms are used to identify hazards, safety precaution of special notations
and have standard meanings throughout this manual. They are printed in all capital letters using a bold type face as shown
below, and preceded by the exclamation mark symbol. When you see the safety alert symbol and one of the safety information
terms as shown below, be aware of the hazard potential.
DANGER:
Identifi es the most serious hazards which will result in severe personal injury or death.
WARNING:
Signifi es a hazard that could result in personal injury or death.
CAUTION:
Identifi es unsafe practices which would result in minor personal injury or product and property
damage.
Quality Designed for Proven Performance
Economite DS24A
Conversion Burners
WARNING: If the information in these instructions
is not followed exactly, a fi re or explosion may result,
causing property damage, personal injury or death.
Do not store or use gasoline or other fl ammable vapors and
liquids in the vicinity of this or any other appliance.
WHAT TO DO IF YOU SMELL GAS:
•
Do not try to light any appliance.
•
Do not touch any electrical switch; do not use any
phone in your building.
•
Immediately phone your gas supplier from another
building. Follow the gas supplier's instructions. If
you cannot reach your gas supplier call the fi re
department.
Installation and service must be performed by a qualifi ed
installer, service agency or the gas supplier.
BURNER MODEL:
___________________________________
BILL OF MATERIAL
NUMBER:
___________________________________
SERIAL NUMBER #: ___________________________________
WIRING DIAGRAM: ___________________________________
FOR SERVICE CONTACT
Name:
____________________________________________
Address: ____________________________________________
____________________________________________
Phone:
____________________________________________
Date of Installation: ___________________________________
ANSI Z21.17
CONVERSION
BURNERS
516
8470-71
Printed in USA

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Summary of Contents for Midco Economite DS24A

  • Page 1 WARNING: Additions, changes, conversions and service must be performed by an authorized Midco representative, BURNER MODEL: ___________________________________ service agency or the fuel supplier. Use only MIDCO specifi ed and approved parts. BILL OF MATERIAL • INSTALLER: Inform and demonstrate to the user the correct...

  • Page 2: Part 1 Specifi Cations And Installation

    Derate burner for altitudes over 2,000 feet by 4% for each 1,000 feet of additional elevation. Installation CAUTION: The ECONOMITE DS24A is not intended for outdoor installation and must be protected from excessive moisture. Provide adequate clearance for service and proper operation.

  • Page 3: Combustion Chamber

    Vent Connector Dia. 100 MBH 5” 143 MBH 6” 195 MBH 7” 225 MBH 8” Table 1: Recommended Vent Connector Sizes Source: ANSI Z21.8b 1993, Installation of Domestic Gas Conversion Burners. For other applications, consult appropriate standards. 8470 71 Midco International Inc.
  • Page 4 Do not use Motor Relay to operate any external devices as overloading of motor relay contacts can result. Figure 5 - Wiring Diagram DS24A - Dual 24V and 120 V 8470 71 Midco Inc. International...
  • Page 5 Combination Valve to a pressure over 1/2 PSIG (14.0″ W.C.) will damage the valve and void all warranties. DANGER: Explosion hazard. Do not use oxygen for pressure testing. An explosion could occur during initial start-up. 8470 71 Midco International Inc.
  • Page 6 If a standard NATURAL gas ECONOMITE DS24A is to be used with PROPANE gas, affi x the PROPANE label from the spare spud bag over the NAT designation on the rating plate and install the appropriate size main spud as detailed below.
  • Page 7 Note: For subsequent normal starting and shut-off procedure, refer to CONSUMER INSTRUCTIONS or to the instruction plate mounted on the burner. Note: For subsequent normal starting and shut-off procedure, refer to CONSUMER INSTRUCTIONS or to the instruction plate mounted on the burner. __________________________________________ 8470 71 Midco International Inc.
  • Page 8 2.0″ W.C. Manifold Gas Pressure Tap is located on the outlet end of the Combination Valve body. If pressure adjustment is required for setting capacity, remove regulator cap for access 8470 71 Midco Inc. International...

  • Page 9: Electronic Control

    PROPANE gas is heavier than air and can settle in low areas or confi ned spaces. This would create a danger of explosion or fi re. If you suspect a gas leak, follow instructions on front cover of this manual. __________________________________________ 1. SET OPERATING CONTROL TO OFF OR THERMOSTAT BELOW ROOM TEMPERATURE 8470 71 Midco International Inc.

  • Page 10: Trouble Chart

    2. Check for 24V* between valve MV terminal and valve body: a. With voltage, RESET Electronic Control and listen for audible CLICK as valve operators open. No CLICK, replace valve. 3. Check for ignition spark (spark length approximately 1/8”). Since this is a capacitor 8470 71 Midco Inc. International...
  • Page 11 * Normal low voltage: Motor running-24V minimum. Combination Valve energized-21V minimum. CAUTION: If changes are made in the Main Gas Spud Orifi ce size, Manifold Gas Pressure or Primary Air Adjustment, change the installation data tag accordingly. __________________________________________ 8470 71 Midco International Inc.
  • Page 12 Economite DS24A Midco ® International Inc. - 4140 West Victoria Street - Chicago, Illinois 60646 - toll free: 866 705 0514 tel: 773.604.8700 - fax: 866.580.8700 - web: www.midcointernational.com - e-mail: sales@midcointernational.com 8470 71 Printed in USA...