Easy Radiant Works MIDDLEMAN EZUM-90-20 Installation & Operating Instructions Manual

Infrared radiant tube heater
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Phone 905-899-3473
EZM-90-40
EZM-90-50
EZM-100-50
EZM-100-60
EZM-120-60
The letter "B" added to the prefix EZM & EZUM indicates brooder model.
Adding the suffix LTH indicates dual input with the low input being 70% of the
high input.
The installation must comply with local codes and CAN / CGA B – 149 in Canada
or the National Fuel Gas codes
WARNING: Improper installation,
adjustment, alteration, service or
maintenance can cause property damage,
injury or death. Read the installation,
operating and maintenance instructions
thoroughly before installing or servicing
this equipment.
Easy Radiant Works
12288 Brawn Rd, Wainfleet, Ontario, Canada L0S 1V0
E-mail erw@vaxxine.com
Installation / Operating Instructions for
MIDDLEMAN
Infrared Radiant Tube Heater
5003356
Model Numbers
Fax 905 899-2262
ETL LISTED
COMFORMS TO
ANSI STD Z83.20
CERTIFIED TO
CSA STD 2.34
CSA STD 2.20
CGA/CSA STD 2.17
EZUM-90-20
EZUM-90-25
EZUM-100-25
EZUM-100-30
EZUM-120-30
AVERTISSEMENT. Une installation, un
réglage, une modification, une réparation ou un
entretien incorrect peut entraîner des dommages
matériels, des blessures ou la mort. Li sez
attentivement les instructions d'installation, de
fonctionnement et d'entretien avant de procéder
à l'installation ou àl'entretien de cet
équipement.

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Summary of Contents for Easy Radiant Works MIDDLEMAN EZUM-90-20

  • Page 1 Easy Radiant Works 12288 Brawn Rd, Wainfleet, Ontario, Canada L0S 1V0 Phone 905-899-3473 E-mail erw@vaxxine.com Fax 905 899-2262 Installation / Operating Instructions for MIDDLEMAN Infrared Radiant Tube Heater ETL LISTED COMFORMS TO ANSI STD Z83.20 CERTIFIED TO CSA STD 2.34 CSA STD 2.20...
  • Page 2 AFETY ONSIGNES ECURITE MELL ENTEZ DEUR 1. Open windows 1. Ouvrez les fenetres 2. Do not touch electrical switches, or telephone 2. Ne touchez pas aux interrupteurs electriques 3. Extinguish any open flame 3. Eteignez toute flamme nue 4. Immediately call your fuel supplier 4.
  • Page 3: Electrical Rating

    The clearance to combustible materials represents the minimum distance that must be maintained between the heater and a nearby surface. Natural Gas Supply Propane Electrical 2.2” to 3.5” 6.4” to 11” Manifold Pressure 120 volts 60Hz W.C. W.C. Min. Inlet Pressure 7.0”...
  • Page 4: Clearances To Combustibles

    CLEARANCES TO COMBUSTIBLES Overall Length (inches) Model No. Input Clearances to Combustibles Radiant Tube Length Side Back Below Straight Series EZM-90-40 oal 42’ 3” / 40 ft 90,000 (2 x 45,000) EZM-90-50 oal 52’ 3” / 50 ft 90,000 (2 x 45,000) EZM-100-50 oal 52’...
  • Page 5 SERVICE TECHNICIAN ONLY. READ AND UNDERSTAND THESE INSTRUCTIONS THOROUGHLY BEFORE ATTEMPTING TO INSTALL, OPERATE OR SERVICE THE EASY RADIANT WORKS HEATER. FAILURE TO COMPLY WITH THESE WARNINGS AND INSTRUCTIONS, AND THOSE ON THE HEATER COULD RESULT IN PERSONAL INJURY, DEATH, FIRE, ASPHYXIATION, AND / OR PROPERTY DAMAGE.
  • Page 6 APPLICATION A gas fired radiant tube heater may be installed for heating of commercial / industrial / agricultural non-residential spaces. It is beyond the scope of these instructions to consider all conditions that may be encountered. Installation must conform with all local building codes or, in the absence of local codes, to the National Fuel Gas Code, ANSI Z223.1/NFPA54 in the U.S.A.
  • Page 7 WARNING GAS CONNECTION Improper installation, connection, or adjustment can result in property damages, toxic gases, asphyxiation, injury and death. Using an approved flexible gas connector in the USA and Rubber Type 1 hose connector in Canada, the gas supply to the heater must be connected and tested in accordance with all local, state, provincial, and national codes (ANSI Z223.1/NFPA 54 in USA: B149.1 in Canada) and as indicated in the manual.
  • Page 8 heat tolerance, which may degrade at lower temperatures, are protected to prevent degradation. Minimum 24” (61 cm) must be provided at the centre of the appliance for burner servicing. When venting through a wall the vent terminal must be located at least 7.0 ft (2.1m) above grade.
  • Page 9: General Installation Procedure

    INSTALLATION IN COMMERCIAL GARAGES AND PARKING STRUCTURES Low intensity heaters are suitable for use in commercial garages when installed in accordance with the latest edition of the Standard for Parking Structures, ANSI/NFPA 88A, or the Standard for Repair Garages ANSI/NFPA No. 88B, or the Canadian Natural Gas and Propane Installation Code, B149.1 WARNING INSTALLATIONS OTHER THAN SPACE HEATING...
  • Page 10: Installation

    ELECTRICAL RATING 120VAC / 60 Hz / 1-Ph / 1A 1 AMP Running, 3 AMP Starting. 1. Electrical installation must be grounded in accordance with CSA standard C22.1 part 1 in Canada or The National Electrical code ANSI NFPA 70 (latest edition) in the United States.
  • Page 11 Subsequent secondary tubes can now be joined together in the same fashion. The self-tapping screw holes must be adequately sealed during installation using a high temperature sealant. HANGER LOCATIONS...
  • Page 12: Suspending The System

    SUSPENDING THE SYSTEM Inadequate or improper suspension of the tube heater can result in collapse of the system, property damage, and personal injury or death. It is the installer’s responsibility to ensure that the hardware and structural supports from which the heater is suspended are sound and of adequate strength to support the weight and expansion forces of the heater.
  • Page 13: Gas Piping

    GAS PIPING 1. All gas piping and connections shall be made in accordance with local codes and CAN/CGA B-149 or ANSI standard Z223.1. 2. Connect the burner to gas supply with flexible gas connector. 3. A drip leg must be installed in the gas line at the heater inlet connection tee followed by a pipe drop to the heater.
  • Page 14 : Correct inlet pressure is vital to efficient operation of heaters. Refer to AUTION the rating plate and, if necessary, consult Gas Company. Warning Never use a match or other flame to test for gas leaks. Use soap and water solution to check for leaks to all connections and joints and if bubbles appear, leaks have been detected and must be corrected.
  • Page 15 VENTING 1. The Easy Radiant tube system has been approved for vented and un-vented applications. When installed un-vented it must be electrically interlocked to an exhaust fan with an air proving switch. The exhaust fan must provide exhaust in the amount of 300 c.f.m. for every 100,000 BTU input in Canada and the amount of 400 c.f.m.
  • Page 16 12. Horizontal vent systems shall slope downwards not less than ¼” per foot from the start of the vent system to the vent terminal. Two units may be exhausted on a common 6” vent with the use of the AC1120 4”...
  • Page 17: Venting Options

    VENTING OPTIONS...
  • Page 18: Listed Accessories

    LISTED ACCESSORIES: AC1010 Ind. Thermostat 120V AC1020 Agricultural Thermostat AC1030 Remote Thermostat AC1050 Agricultural Thermostat AC1060 24V Thermostat AC1070 Flexible Gas Connector AC1080 Outside Air Adapter AC1030 Remote Thermostat AC1100 Outside Air Wall Cap AC1110 Combustion Air Flex Duct AC1120 4x4x6 Tee AC1130 90 degree Elbow...
  • Page 21: Operating Sequence

    OPERATING SEQUENCE The Easy Radiant gas burner is a very simple device. The normal sequence of events during ignition and operation of the burner is as follows: 1. The heater is energized by means of a thermostat or switch. 2. When 24 volts is applied to the module, the module will energize the blower and close the airswitch.
  • Page 22: Troubleshooting

    TROUBLE SHOOTING Improper adjustment, alteration, service or maintenance can cause property damage, injury or death. This heater must be installed and serviced only by a trained gas service technician. If at the onset of ignition, no ignition occurs, the following should be checked. Lack of power at the input of the controls caused by: ...
  • Page 23: Warranty

    While Easy Radiant Works attempts to assure that its products comply with these many codes, it cannot guarantee compliance, or cannot be responsible for how the product is installed or used.
  • Page 24 START-UP/TECHNICAL SUPPORT INFORMATION This equipment has been factory fired and tested prior to shipment. To ensure that site conditions are compatible with the heater’s performance, the following start up needs to be completed by the qualified gas installer. A technician calling for technical support must provide the information from the following completed reports.
  • Page 25 Middleman single stage wiring diagram...
  • Page 26 Middleman LTH dual input wiring diagram...
  • Page 27 IS THERE A BAFFLE INSTALLED IN THE RADIANT TUBE IF REQUIRED..WHAT IS THE LENGTH OF THE BAFFLE(S ) FEET IF INSTALLED..IS THE BAFFLE AT FLUE END OF SYSTEM THIS HEATER MUST BE ELECTRICALLY GROUNDED TECHNICAL SUPPORT: FAX 905-899-2262, VOICE 905-899-3473 EASY RADIANT WORKS...

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