Midco Economite 400B-02 Installation And Service Instructions Manual

Conversion burners
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Installation and Service Instructions
The ECONOMITE Models 400B-02 and 400B-02P conversion burners are adaptable to most common central gas utilization
equipment, including up-draft gravity and forced circulation furnaces and boilers. Power burner design makes it perfectly suited
for oil burner replacement. For horizontal and downdraft gas utilization equipment, ECONOMITE Model DS45B conversion burn-
er with direct spark ignition is recommended.
In the United States, installation must conform with local
codes or, in the absence of local codes, with 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.
Note: Any additions, changes or conversions required in
order for the gas utilization equipment to satisfactorily
meet the application needs must be made by a MIDCO dis
tributor (or other qualified agency) using factory specified
and approved parts.
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-B149.1 or 2. When the conver-
sion burner is used on Forced Air Central Furnace, the
two yellow and black warning labels in the literature enve
lope shall be at tached 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.
INSTALLER:
Inform and demonstrate to the user
the correct operation and maintenance of this gas
utilization equipment. Inform the user of the haz-
ards of storing
flammable liquids and vapors in
the vicinity of this gas utilization equipment and
remove such hazards. Affix this manual adjacent
to the conversion 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 is required, contact a qualified service agency. DO NOT
ATTEMPT REPAIRS. An inadvertent service error could result in a dangerous condition.
SAFETY INFORMATION
tions and have standard meanings throughout this manual. When you see the safety alert symbol and one of the safety
information terms as shown below, be aware of the hazard potential.
DANGER: Identifies the most serious hazards which will result in severe personal injury or death.
WARNING: Signifies a hazard that could result in personal injury or death.
CAUTION: Identifies unsafe practices which would result in minor personal injury or product and property damage.
M i d c o I n t e r n a t i o n a l I n c .
4140 West Victoria Street
Chicago, Illinois 60646
tel 773.604.8700
fax 773.604.4070
TERMS: The following terms are used to identify hazards, safety precautions or special nota-
web www.midco-intl.com
Economite 400B-02
Conversion Burners
WARNING: If the information in
these instructions is not followed
exactly, a fire or explosion may result,
causing property damage, personal
injury or death.
Do not store or use gasoline or other
flammable 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 call your gas
supplier from a neighbor's
phone. Follow the gas suppliers'
instructions.
If you cannot reach your gas
supplier, call the fire department.
Installation and service must be per-
formed by a qualified installer, service
agency or the gas supplier.
ANSI
Z21.17$CSA 2.7
CONVERSION BURNERS
201
8470-75
Printed in U.S.A.

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Summary of Contents for Midco Economite 400B-02

  • Page 1 Do not store or use gasoline or other meet the application needs must be made by a MIDCO dis flammable vapors and liquids in the tributor (or other qualified agency) using factory specified vicinity of this or any other appliance.
  • Page 2: Part 1 Installation

    One gallon of fuel oil=140,000 BTU. Derate burner for altitudes over 2,000 feet by 4% for each 1,000 feet above sea level. CAUTION: The ECONOMITE 400B-02(P) is not intended for outdoor installa- tion and must be protected from excessive moisture. Provide adequate clear- ance for service and proper operation.
  • Page 3: Combustion Chamber

    A combustion chamber liner is normally required to protect non-heat transfer surfaces and to III Combustion Chamber provide a radiant bed for rapid heat transfer to the primary surfaces of the heat exchanger. In most cases, the oil burner combustion chamber liner formerly used can be used, if in good condi- tion.
  • Page 4: Vent Connector

    The Vent Connector shall be installed so as to avoid turns or other construction features IV Vent Connector which create excessive resistance to flow of vent gas. It shall be installed without any dips sags Continued and shall slope upward at least 1 / 4 " per foot.
  • Page 5 V Electrical Continued CAUTION: Do not add any power consum- ing devices in the low voltage circuit as over- loading of the trans- former can result. Do not use Motor Relay to operate any external devices as the extra load could damage the relay contacts.
  • Page 6 VI Piping Continued Standard burners are approved for use with NATURAL or PROPANE gas only, and should be used only with the gas spec- ified on rating plate. A Standard Model 400B-02 burner is equipped with a single seated Combination Valve and is suitable for NATURAL gas only.
  • Page 7 Check the burner piping and valves for gas leaks by applying a weak liquid soap solution VIII Initial to unions and joints with the gas supply on. Leakage will be indicated by the appearance of StartUp/Adjustment soap bubbles. Locate and correct all gas leaks before proceeding. WARNING: DO NOT USE OPEN FLAME.
  • Page 8 Part 2 Service IX Venturi Casting DANGER: Be sure that the Main Manual Shut-Off Valve, Combination Valve and Burner Power Switch are turned off before removing any parts for service. and Pilot When the pilot gas pressure is in the proper range (see Table 4) lint, dust or corrosion is then the usual cause for most pilot problems.
  • Page 9: Blower Assembly

    IX Venturi Casting and Pilot Continue Figure 8: Venturi Casting and Pilot Assembly Check for possibility of reverse draft which can be caused by wind deflecting from an obstruction in the proximity of the chimney exit or by exhaust fans in the building. A continuous draft is required for the proper operation of the pilot.
  • Page 10: Consumer Instructions

    The 24 volt Combination Valve serves four functions: 1. Main Manual Gas Shut-off, 2. Manifold XI Combination gas pressure regulation, 3. Automatic electric main gas valve; single seated on Model 400B-02, Gas Valve double seated (redundant) on Model 400B-02P, and 4. Pilotstat safety control. A pilot adjustment screw and filter are also included.
  • Page 11: Trouble Chart

    TURN (DEPRESS) MANUAL GAS COCK KNOB ON COMBINATION VALVE TO OFF. Lighting Instructions TURN BURNER POWER ON. SET THERMOSTAT OR OPERATING CONTROL TO CALL FOR HEAT. LET MOTOR RUN 5 MINUTES TO PURGE COMBUSTION CHAMBER AND CHIMNEY. SET OPERATING CONTROL TO OFF OR THERMOSTAT BELOW ROOM TEMPERATURE.
  • Page 12 ** IMPORTANT: If changes are made in the main spud orifice size manifold gas pressure or pri- mary air adjustment, change the installation data tag accordingly. 8470 75 Midco International Inc. 4140 West Victoria Street - Chicago, Illinois 60646 Printed in USA tel 773.604.8700 fax 773.604.4070 web www.midco-intl.com email sales@midco-intl.com...

This manual is also suitable for:

Economite 400b-02p

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