Modine Manufacturing MT28 Installation And Service Manual

Modine Manufacturing MT28 Installation And Service Manual

High intensity gas-fired infrared heaters

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WARNING
Improper installation, adjustment, alteration,
service or maintenance can cause property
damage, injury or death, and could cause
exposure to substances which have been
determined by various state agencies to cause
cancer, birth defects or other reproductive harm.
Read the installation, operating and
maintenance instructions thoroughly before
installing or servicing this equipment.
CAUTION
As with all infrared equipment, clearances to
combustible material are critical.
To prevent premature heat exchanger failure do
not locate ANY gas-fired units in areas where
chlorinated, halogenated, or acid vapors are
present in the atmosphere
PLEASE BE SURE TO LEAVE IT WITH THE OWNER WHEN YOU LEAVE THE JOB.
INSTALLATION AND SERVICE MANUAL
high intensity gas-fired infrared heaters
THIS MANUAL IS THE PROPERTY OF THE OWNER.
FOR YOUR SAFETY
If you smell gas:
1. Open windows.
2. Don't touch electrical switches.
3. Extinguish any open flame.
4. Immediately call your gas supplier.
FOR YOUR SAFETY
The use and storage of gasoline or other
flammable vapors and liquids in open containers
in the vicinity of this appliance is hazardous.
IMPORTANT
The use of this manual is specifically intended
for a qualified installation and service agency.
A qualified installation and service agency
must perform all installation and service of
these units.

Inspection on Arrival

1.
Inspect unit upon arrival. In case of damage, report it
immediately to the transportation company and your local
sales representative.
2.
Check rating plate on unit to verify that the power supply
meets available electric power at the point of installation.
3.
Inspect unit upon arrival for conformance with description of
product ordered (including specifications where applicable).
9-500.3h
5H75283ALL
November, 2003
model MT

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Summary of Contents for Modine Manufacturing MT28

  • Page 1: General Information

    9-500.3h 5H75283ALL November, 2003 INSTALLATION AND SERVICE MANUAL high intensity gas-fired infrared heaters model MT FOR YOUR SAFETY If you smell gas: 1. Open windows. 2. Don’t touch electrical switches. 3. Extinguish any open flame. 4. Immediately call your gas supplier. FOR YOUR SAFETY WARNING The use and storage of gasoline or other...
  • Page 2: Table Of Contents

    Electrical Connections ..........6 complete replacement parts list may be obtained by Start-Up Procedure ..............6 contacting Modine Manufacturing Company. Refer to the Pilot Flame Adjustment ..........7 rating plate on the unit for complete unit model number, serial number, and company address. Any substitution of Main Burner Adjustment..........7...
  • Page 3: Si (Metric) Conversion Factors

    NFPA 88A. Sides Rear Bottom General: All installations must be in accordance with the MT28/30/33 current edition of ANSI Z-223.1 (NFPA 54) National Fuel MT56/60/66 Gas Code and the current edition of the National Electric MT84/90/99 Code, ANSI/NFPA 70.
  • Page 4: Combustion/Ventilation Air Requirements

    BE ADEQUATE TO SUPPORT WEIGHT OF THE HEATER. Mounting Angles (feet) Model No. 10° 35° 3/8" All thread rigid mount MT28, 30, 33 8-14 7-12 NOTE: (Used in aircraft hangers or Gas main and electrical where draft conditions may be...
  • Page 5: Gas Connections

    INSTALLATION Gas Connections plugged tapping immediately upstream of the gas supply connection to the heater, accessible for test gauge WARNING connection. See Figure 5.1. 4. Installation of a sediment trap in the gas supply line before All field gas piping must be pressure/leak tested prior to each unit is required to minimize the possibility of loose scale or dirt within the gas supply line entering the heater operation.
  • Page 6: Electrical Connections

    INSTALLATION / START-UP PROCEDURE Electrical Connections START-UP PROCEDURE CAUTION WARNING Purging of air from gas lines should be performed as Disconnect power supply before making wiring connections to described in ANSI Z223.1 - Latest Edition “National Fuel Gas prevent electrical shock and equipment damage. Code”, or in Canada, CAN/CGA-B149 codes.
  • Page 7: Pilot Flame Adjustment

    START-UP PROCEDURE 3. Remove the 1/8" pipe plug in the gas valve adjacent to the Pilot Flame Adjustment (Intermittent Pilot and manifold and attach a water manometer of “U” tube type Millivolt Standing Pilot control systems – Control that is at least 12" high. Codes 04, 08, 27, and 67 4.
  • Page 8: Available Controls / Operating Sequence

    START-UP PROCEDURE Control Systems Options Intermittent Pilot Ignition with Non-100% Shut-Off Gas Controls – Control Codes 08 and 04 The MT series infrared heaters are available with a choice of Utilizes a single-stage combination gas control, an ignition three different gas control options. The available controls and control, and a single-stage thermostat.
  • Page 9: Dimensions

    Table 9.1 Dimensions Dimensions Radiating Shipping Model (Inches) Area Weight Numbers (Sq. Inches) (Lbs.) MT28,30,33 17.12 7.63 MT56,60,66 24.00 14.44 MT84,90,99 30.75 21.25 MT112,120,132,160 37.58 28.08 Note: All models except MT160 include a secondary re-radiating grid screen (shown in drawing above).
  • Page 10: Service & Troubleshooting

    When servicing or repairing this equipment, use only factory- controllers which have been wet. Replace defective controller. approved service replacement parts. A complete replacement parts list may be obtained by contacting Modine Manufacturing Company. Refer to the rating plate on the appliance for IMPORTANT complete appliance model number, serial number, and company address.
  • Page 11: Replacement Parts Ordering

    SERVICE & TROUBLESHOOTING / REPLACEMENT PARTS ORDERING Table 11.1 Troubleshooting Continued Trouble Possible Cause Possible Remedy Heater will not turn off Defective thermostat. Repair or replace thermostat. Gas valve stuck open. Replace gas valve. Unit undersized. Check design conditions. If the unit is undersized, additional heater(s) may be required.
  • Page 12: Warranty

    RETURNED TO SELLER WITH TRANSPORTATION CHARGES PREPAID Commercial HVAC R Division & Modine Manufacturing Company 1221 Magnolia Avenue Buena Vista, Virginia 24416 Tel: 1-800-828-4328 (HEAT) Fax: 540-261-1563 / 540-261-1903 (Service & Parts) © 2003 Modine Manufacturing Company 11/03 - 4.5M Litho in USA...

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