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Brant Radiant Heaters AG2-20-65 Manual

Gas-fired infrared agricultural tube heater ag2 series
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Brant Radiant Heaters Ltd.
AG2 Series
Gas-Fired Infrared Agricultural Tube Heater
WARNING: Improper installation, adjustment, alteration, service or maintenance
can cause property damage, injury or death. Read the installation, operating and
maintence instructions thoroughly before installing or servicing this equipment.
A
VERTISSEMENT. Une installation, un réglage, une modification, une réparation
ou un entretien incorrect peut entraîner des dommages matériel, des blessures ou
la mort. lisez attentivement les instructions d'installation, de fonctionnement et
d'entretien avant de procéder à l'installation ou à l'entretien de cet équipement.
Not for residential use! This heater is NOT approved for use in any residential application.
This includes, but is not limited to, attached garages, solariums, living quarters, etc.
Installation in residential spaces may result in property damage, asphyxiation, serious injury
or death. Consult your local fire marshall and/or insurance carrier if unsure of your
application.
Interdit pour usage résidentiel. Ne pas utiliser cet appareil à la maison, dan les chambres
à coucher, dan les harages attenants, etc.
This is NOT an explosion proof heater. Where there is a possibility of exposure to flammable
vapors, consult the local fire marshall, the fire insurance carrier and other authorities for
approval of proposed installation.
Cet émetteur n'est pas un appareil antideflagrant. Lorsqu'il y a risque de contact avec des
vapeurs inflammables, consulter le commissaire local des incendies, la compagnie
d'assurance incendie ou tout autre authorité compétente pour approbation de l'installation.
Storage of gasoline or other flammable vapors and liquids in the vicinity of this or any other
appliance may result in fire or explosion. Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any other appliance. Always maintain published
clearance to combustibles.
Il est interdit d'utiliser des liquides inflammables ou degagent des vapeors inflammabled a
proximaite de tout appareil fonctionnant au gaz.
For Your Safety
If you smell gas:
• Open windows.
• Do not touch electrical switches.
• Extinguish any open flame.
• Immediately call your gas supplier from a
neighbours phone.
• Do not try to light any appliances.
INSTALLER: Present this manual to the end user.
Keep these instructions in a clean and dry place for future reference.
Model#:
WARNING
!
Consignes De Sécurité
Si vous sentez une odeur de gaz:
• Ouvrez les fenêtres.
• Ne touches pas aux interrupters électriques.
• Éteignez toute flamme nue.
• Contactez immediatement votre compagnie de gaz.
Serial #:
(located on rating label)

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Summary of Contents for Brant Radiant Heaters AG2-20-65

  • Page 1 Brant Radiant Heaters Ltd. AG2 Series Gas-Fired Infrared Agricultural Tube Heater WARNING: Improper installation, adjustment, alteration, service or maintenance can cause property damage, injury or death. Read the installation, operating and maintence instructions thoroughly before installing or servicing this equipment.

  • Page 2: Table Of Contents

    Series Contents 1.0 Introduction ..............3 Overview .

  • Page 3: Introduction

    60 for a list of the kit contents for your model heater. Materials not included in the heater kit contents (e.g., screws, vent material, terminals, etc.) are the responsibility of the installer. Notify your product representative or Brant Radiant Heaters Ltd. of any discrepancy or missing kit contents prior to installing unit. Specifications AG2-20-65 N or LP 65,000 50,000 21’-7”...

  • Page 4: Safety Signs And Labels

    Back Panel Combustion Chamber: 4” Coated Aluminized DESIGN COMPLIES WITH: ANSI Z83.20-2008-GAS FIRED LOW INTENSITY INFRA-RED HTR. BRANT RADIANT HEATERS LIMITED SERIAL NO. RE-VERBER-RAY LOW INTENSITY INFRARED HEATER RADIATEUR A INFRAROUGE A FAIBLE INTENSITE 34 SCOTT AVE., PARIS, ONTARIO 0870 XXXX XXXX 0001 FOR INDOOR INSTALLATION ONLY.
  • Page 5 Series Introduction • Safety Signs and Labels LED STATUS FAULT One flash on ..Normal opertion 120V pwr up. No flash on ..24 volt transformer 120V pwr up. Steady on ....Module 1 Flash ....Ignition 2 Flash ....Burner Ignition 3 Flash ....Exhaust Switch 4 Flash ....Gas valve/flame rect.

  • Page 6: Safety

    Series Safety • Warning Symbols • Applications Safety WARNING Improper installation, adjustment, alteration, service or maintenance can cause property damage, serious injury or death. Read and understand, the installation, operating and maintenance instructions thoroughly before installing or servicing this equipment. Only trained, qualified gas installation and service personnel may install or service this equipment.

  • Page 7: Standards, Certifications And Government Regulations

    Series Safety • Standards, Certifications and Government Regulations Standards, Certifications and Government Regulations Installation of this tube heater must comply with all applicable local, provicial and national specifications, regulations and building codes. Contact the local building inspector and/or fire marshall for guidance. In the absence of local codes, the installation must conform to the latest edition of CAN/CGA B149.1 Canadian Electrical Code C22.1 Building Type...

  • Page 8: Clearance To Combustibles

    Z83.20b and CSA 2.34 require you to post a sign “specifying the maximum permissible stacking height to maintain the required clearances from the heater to the combustibles” near the heaters thermostat or in absence of such thermostats in a conspicuous location. Contact Brant Radiant Heaters Ltd. or an authorized dealer for Clearance Safety Limit Signs.
  • Page 9 Series Safety • Clearance to Combustibles Clearance to Combustibles WARNING Placement of explosive objects, flammable objects, liquids and vapors close to the heater may result in explosion, fire, property damage, serious injury or death. Do not store or use explosive objects, liquids or vapor in the vicinity of the heater. Clearance to combustibles is defined as the minimum distance that must exist between the tube surface, or reflector, and any combustible items (see Figure 1.1).

  • Page 10: Installation

    Series Installation • Design Considerations and Prechecks Installation WARNING Improper installation, adjustment, alteration, service or maintenance can cause property damage, serious injury or death. Read and understand, the installation, operating and maintenance instructions thoroughly before installing or servicing this equipment. Only trained, qualified gas installation and service personnel may install or service this equipment.

  • Page 11: Recommended Mounting Heights And Coverages

    Factory recommended mounting heights are listed as a guideline. If infrared heaters are mounted too low or too high, they may result in discomfort or lack of heat. Brant Radiant Heaters Ltd. generally recommends observing the recommended mounting heights to optimize comfort conditions. However, certain applications such as spot heating, freeze protection, outdoor patio heating or very high ceilings may result in the heaters being mounted outside of the factory recommended mounting heights.

  • Page 12: Hanger Placement And Suspension

    Series Installation • Hanger Placement and Suspension Hanger Placement and Suspension WARNING Improper suspension of the tube heater may result in collapse and being crushed. Always suspend from a permanent part of the building structure that can evenly support the total force and weight of the heater.
  • Page 13 Series Installation • Hanger Placement and Suspension Figure 3.2 • Heater Mounting Layout Suspension Point NOTE: A sticker identifying the combustion chamber(s) is located on the tube. Suspension Point Radiant Emitter Tube(s) Suspension Point Burner Control Box Suspension Points Radiant Emitter Tube Refer to the Specifications Chart.
  • Page 14 Series Installation • Hanger Placement and Suspension Prepare mounting surface, if necessary weld blocks, drill holes (see figure 3.5). NOTE: The burner control box and radiant tubes should be in straight alignment and level. Fasten beam clamp, screw hook or other type of suspension anchor to hanging point. Attach and close S-hook (P/N: S-HOOK) and #1 double-loop chain (P/N: THCS) to anchor.
  • Page 15 Series Installation • Hanger Placement and Suspension Figure 3.4 • U-Tube Hanger Mounting Options Single Mounting Bracket Brass Knuckle Exhaust U-Tubes can be mounted at a U-Tubes can be mounted from a single suspension 15, 30 or 45 degree angle with two point using a Single Mounting Bracket (P/N: SMB) suspension points, using two Brass Knuckle with five S-hooks and #1 double-loop chains.

  • Page 16: Radiant Tube Assembly

    Series Installation • Radiant Tube Assembly Radiant Tube Assembly To install the radiant tubes: Place tubes in hangers with the welded seam facing downward and the swaged end of the tube towards the exhaust end of the heater system (see figure 3.6). Refer to page 23 for tube installation sequence.

  • Page 17: Optional Elbow Or U-Bend Accessory Configuration

    Series Installation • Optional Elbow or U-Bend Accessory Configuration Slip-fit the radiant tube sections together until tightly connected (install the swaged end of each tube towards exhaust end). NOTE: If it is difficult to mate the tubes, they may be installed incorrectly. Center tube clamps over the seam where two radiant tube sections connect.
  • Page 18 Series Installation • Optional Elbow or U-Bend Accessory Configuration Figure 3.10 • Elbow and U-Bend Clearances Elbow can be set in both directions Dimension A Tube Clamp Tube Clamp U-Bend can be set in both directions Dimension A 12” Tube Clamp Tube Clamp 8”...

  • Page 19: Burner Control Box Suspension

    Series Installation • Burner Control Box Suspension Burner Control Box Suspension Suspending the burner control box must be done in accordance with applicable codes listed in the Safety section and these instructions. The burner control box must be in straight alignment with all radiant tubes and level. Contact your local distributor or the factory to see if your application allows for the rotation of the burner control box.

  • Page 20: Reflector Assembly

    Series Installation • Reflector Assembly Reflector Assembly To install the reflectors (see figure 3.14): Attach the reflector center supports onto radiant tubes. NOTE: On models equipped with a single reflector center support, place at mid-point of primary combustion chamber. Slide each reflector section through the hangers and adjust the reflector tension spring (if applicable) into the V-groove on the top of the reflector.
  • Page 21 Installation Series • Common Reflector Accessories Chart 3.5 Common Optional Accessories Reflector Accessory Description Part Number Elbow Reflector* 90° bend, highly polished aluminum reflector elbow designed to fit atop one elbow accessory fitting. U-Reflector* 180° bend, highly polished aluminum reflector U-bend designed to fit atop one U-bend accessory fitting.

  • Page 22: Baffle Assembly And Placement

    Series Installation • Baffle Assembly and Placement Baffle Assembly and Placement Different models and inputs utilize specific baffle lengths. Remove all enclosed baffle sections from box and retain with applicable heater. Reference shipping label for proper baffle size. To assemble the baffles: NOTE: Baffles may be inserted into the tube while being assembled. Determine the number of baffles needed for your model number.

  • Page 23: Final Heater Assembly

    Series Installation • Final Heater Assembly Final Heater Assembly Important! The combustion chamber & radiant tube sections must be installed in the following order. NOTE: When securing joints on reflectors which are rotated on an angle from horizontal, secure joint only on top side of reflector to allow for sufficient heater expansion and contraction.

  • Page 24: Venting

    Venting • Replacing Existing Equipment Series Installation • Venting The AG2 Series tube heater must be vented as described here to properly direct flue gases from the unit to the outside atmosphere. The venting can terminate vertically through the roof (up) or horizontally through a sidewall (sideways).
  • Page 25 Series Installation • General Venting Requirements General Venting Requirements The venting system for AG2 Series heaters may terminate horizontally through a sidewall or vertically through the roof, and may be individually or commonly vented. Configuration of the vent termination determines the category type. All model heaters must be installed in accordance to the requirements of this section, as well as the requirements of its category determination, as described in this manual.
  • Page 26 Series Installation • General Venting Requirements General Venting Requirements Figure 3.19 • Vent Cap 24 in. Min.* Roof* Storm Collar Adjustable Roof Flashing 1 in. Minimum Clearance Double-Wall B Vent 1 in. Minimum Clearance Fire Stop Spacer Heater B to C Adapter Clean Out Tee Fitting Clean Out Cap #8 Sheet Metal Screws (field supplied)
  • Page 27 Series Installation • Vertical Venting (Category I) Vertical Venting (Category I) An appliance that operates with a non-positive vent static pressure and with a vent gas temperature that avoids excessive condensate production in the vent is said to be ‘Category I’. The AG2 Series heater is considered a Category I appliance if the venting system meets all of the following criteria: •...
  • Page 28 Series Installation • Horizontal Venting (Category III) Rooftop Venting - Side View Figure 3.20 • Vent Cap 24 in. Min.* Roof Double-Wall B-Vent Pipe Firestop Spacer Heater 3” Single-Wall Pipe B to C Adapter Clean Out Tee Fitting Clean Out Cap *Consult the NFPA ANSI Z223.1 Gas Vent Termination criteria if roof pitch exceeds 9:12.
  • Page 29 Series Installation • Vent Locations and Clearances • Sidewall Venting Requirements Vent Locations and Clearances: • Category III venting systems may NOT be common vented, and no other gas units are allowed to be vented into it. • Vent must terminate a minimum of 4 feet below, 4 feet horizontally from, or 1 foot above any window or door that may be opened or gravity air inlet into the building.
  • Page 30 Series Installation • Common Venting (Category I) • Common Rooftop Venting Common Venting (Category I) The common vent system and all attached appliances must be Category I. The vent connector should be routed in the most direct route from the units to the common vent. Where two or more vent connectors enter a common gas vent or chimney flue, the smaller connector shall enter at the highest level consistent with the available head room or clearance to combustible material.

  • Page 31: Optional Unvented Operation

    Series Installation • Optional Unvented Operation Optional Unvented Operation WARNING Not for residential use. The use of unvented tube heaters in residential indoor spaces may result in property damage, serious injury or death. Use unvented operation in commercial and industrial installations with proper ventilation rates only. When using an unvented configuration (commercial &...

  • Page 32: Combustion Air Requirements

    Series Installation • Combustion Air Requirements Vertical Outside Air Supply for Common Intake Side View Figure 3.24 • • Roof Intake Cap NOTE: Common intake heaters must share the 18 in. minimum 6” pipe same thermostat. Roof Flexible Air Flexible Air Inlet Boot Inlet Boot Burner...

  • Page 33: Separated Combustion Systems

    Series Installation • Separated Combustion Systems Separated Combustion Systems All AG2 Series heaters come with a factory-installed combustion air adapter for attaching air intake ducts to the heater. Attach the air intake duct material to the adapter with three (3) non-corrosive sheet metal screws.

  • Page 34: Combustion Air Supply - Room Air

    Series Installation • Combustion Air Requirements Figure 3.25 • Outside Combustion Air Vertical Intake - Side View Listed Exhaust Cap 3 ft. Min. (If X if less than 10 ft.) Roof Storm Collar Combustion Air Intake Cap Listed Flashing 18 in. Min.

  • Page 35: Gas Supply Installation Instructions

    Series Installation • Combustion Air Requirements • Gas Supply Non-contaminated outside air for combustion must be ducted to the heater is any of the following apply: • Chemicals such as chlorinated or fluorinated hydrocarbons (typical sources are refrigerants, solvents, adhesives, degreasers, paints, paint removers, lubricants, pesticides, etc.) are present in the atmosphere.
  • Page 36 Series Installation • Combustion Air Requirements • Gas Supply IMPORTANT! The heating system will expand and contract during operation. Allowances for expansion must be made between the connection to the heater and the gas supply. A flexible gas connection of approved type is required. Flexible Type 1 gas connectors installed in one plane, without any sharp bends, kinks or twists.
  • Page 37 Series Installation • Gas Supply When connecting piping to the unit, the use of a thread joint compound is required. The thread compound (pipe dope) shall be resistant to the action of liquefied petroleum gas or any other chemical constituents of the gas to be conducted through piping.
  • Page 38 Series Installation • Gas Supply WARNING Testing for gas leaks with an open flame or other sources of ignition may lead to a fire or explosion and cause serious injury or death. Test in accordance with NFPA or local codes. Figure 3.27 •...
  • Page 39 Series Installation • Gas Supply Figure 3.29 • Gas Connection (Flexible Gas Connection shown) • Side View NOTE: Do not exceed 14 Inches W.C. to the appliance. Ball Valve / Inlet Tap Adapter Adapter Elbow Elbow Drip Leg/ Sediment Trap Burner Control Box Heater Movement*...

  • Page 40: Leak Testing

    Series Installation • Leak Testing Leak Testing WARNING Testing for gas leaks with an open flame or other sources of ignition may lead to a fire or explosion and cause serious injury or death. Test in accordance with NFPA or local codes. WARNING Gas pressures to the appliance controls must never exceed 14 inches W.C.

  • Page 41: Allowances For Expansion

    Series Installation • Allowances for Expansion Allowances for Expansion Allowances must be made for the system to expand as detailed in the Heater Expansion Chart below. The supplied Type 1 hose gas connector is recommended. Chart 3.9 • Heater Expansion Chart Exchanger length and gas input will determine overall expansion.

  • Page 42: Unit Start-Up (Commissioning)

    Installation • Unit Start-up (Commissioning) • Pre-Start Up Checks Series Unit Start-up (Commissioning) WARNING Improper installation, adjustment, alteration, service or maintenance can cause property damage, serious injury, or death. This heater must be installed and serviced by a trained gas installation and service personnel only. CAUTION Shock Hazard.

  • Page 43: Electrical Requirements

    Series Installation • Electrical Requirements • Wiring Wiring WARNING Electric Shock Field wiring to the tube heater must be connected and grounded according to the guidelines in the Tube Heater General Manual and Series Insert Manual and in accordance with national, state, provincial and local codes.

  • Page 44: Wiring

    Series Installation • Wiring Before field wiring this appliance - Check existing wiring; replace if necessary. Note: If any of the original wire supplied with the appliance must be replaced, it must be replaced with wiring material having a temperature rating of at least 105° C. Figure 3.35 •...
  • Page 45 Series Installation • Wiring Figure 3.36 • Alternative Wiring Diagrams A. Micro 60U-24 Ladder Diagram - With Relay Board 120VAC 120VAC TRANSFORMER RELAY BOARD 24VAC IGNITOR FLAME THERMOSTAT PRESSURE TERMINAL SWITCH BLOWER STAGE 2-STAGE T'STAT LIGHT (FIELD SUPPLIED) LIGHT MICRO 60U-24 24VAC IGNITION MODULE...

  • Page 46: Prior To Leaving The Jobsite

    Series Installation • Prior to Leaving the Job Site Prior to leaving the Job Site Prior to leaving the job site, verify that: 9 Service access door is properly secured to the unit. 9 The heater is clear of any objects that would interfere with the proper air circulation or that violate the listed clearance to combustibles.

  • Page 47: Operation

    Series Operation • Operating Instructions • Sequence of Operation • Thermostat Operation Sequence of Operation Standby: The MICRO 60U-24 CONTROL continually checks for internal faults, circuit integrity and relay contact positioning. Starting Circuit: Upon a call for heat, the control verifies that the differential switch is in the proper position (open).

  • Page 48: Diagnostics

    Series Operation • Diagnostics • Operational Indicator Lights Diagnostics Lockout: The control will automatically lockout the unit when an external or system fault occurs. There are two types of lockout: Soft Lockout: The heater will attempt to light three times. In the event of a failed attempt to light, (APS air flow, valve, no flame sense etc.), the heater will enter a soft lockout period for 30 minutes and then attempt to light three more times before entering Hard Lockout mode.
  • Page 49 Series This page intentionally left blank.

  • Page 50: Troubleshooting Guide

    Troubleshooting Guide Series Troubleshooting Guide Turn up thermostat. Is the power at the Does the heater have a relay board? Does the fan heater 120V? (identified with orange crescent blower turn on? next to the terminal plug). Find the source of the electrical problem between panel and heater. Find the source of the Is the power across Is there 120V on the...
  • Page 51 Series Troubleshooting Guide Bypassing any switch is intended for testing purposes only. Do not leave switch bypassed NOTICE during normal operation or the heater’s built-in safety mechanisms will be compromised. With Relay Board: Without Relay Board: Corrective Start Corrective Process Process Action Question...
  • Page 52 Series Troubleshooting Guide Continued from page 50 After ignitor is Test for 24V at valve opening period (usually 45 to 60 seconds warmed up, does after power to heater). Is there 24V to valve for 8 seconds? gas valve open? Replace circuit board.
  • Page 53 Series Troubleshooting Guide Check to make sure gas pressure is within minimum and maximum inputs, as indicated on heater’s rating plate. Replace gas valve. Is gas pressure OK? Correct problem. Were the gas lines purged of air? Purge gas line. Is the heater properly With microampmeter, check DC Check to make sure flame...

  • Page 54: Maintenance

    Series Maintenance • Routine Inspection Maintenance WARNING Personal injury or death may result if maintenance is not performed by properly trained gas installer or service personnel. Contact the installing distributor or place of purchase for service. Do not operate heating system if repairs are necessary. Allow heater to cool prior to servicing.
  • Page 55 Series This page intentionally left blank.

  • Page 56: Heater Components And Parts List

    Series • Parts Heater Components and Parts List Figure 6.1 • Burner Assembly Components NOPS 802, 802A 383A 222A 200A or 201B RH-1, RH-3 HL-75N, 75P 208A Chart 6.1 • Parts List Part No. Description Part No. Description RH-1 1/2” Type 1 Rubber Gas Connector,50-125 MBH TP-26A* 10 ft. Aluminized Radiant / Combustion Tube RH-3 3/4”...
  • Page 57 Series • Parts Heater Components and Parts List Figure 6.2 • Tube & Reflector Components 19E* 20C/D* 26A*/C/F 65 I 26F/G Part No. Description Part No. Description TP-44 Plastic Air Orifice with Screen (consult factory) TP-321 Ignition Plate Gasket TP-200A Low BTU Burner (Blue) 50-125 MBH TP-383A Glo-Bar™...

  • Page 58: Limited Warranty

    Limitation of Liability. To the extent allowable under applicable law, Brant Radiant Heaters Limited’s liability for consequential and incidental damages is expressly disclaimed. Brant Radiant Heaters Limited’s liability in all events is limited to and shall not exceed the purchase price paid.
  • Page 59 Series Notes ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________...

  • Page 60: Kit Contents Check List

    • 5 years - Combustion and radiant tubes. • Outdoor approval with OD-Kit. • 10 years - Stainless steel burner. • Industrial/Commercial approval. © 2014 Brant Radiant Heaters, Ltd. 34 Scott Avenue, • Paris, ON, Canada N3L 3R1 Phone: (519) 442-7823 Fax: (519) 442-7321 www.brantradiant.com • sales@brantradiant.com...

This manual is also suitable for:

Ag2-20-80Ag2-20-75Ag2-30-65Ag2-30-75Ag2-30-80Ag2-30-100 ... Show all

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