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WARNING

!

!

Improper installation, adjustment, alteration, service or maintenance can cause 
property damage, injury or death. Read the installation, operation and maintenance 
instructions thoroughly before installing or servicing this equipment. 

This heater must be installed and serviced by trained gas installation and service 
personnel only.  Failure to comply could result in personal injury, asphyxiation, death, 
fire or property damage. 

In locations used for the storage of combustible materials, signs must be posted to 
specify the maximum permissible stacking height to maintain the required clearances 
from the heater to the combustibles. Signs must either be posted adjacent to the 
heater thermostats or in the absence of such thermostats, in a conspicuous location.

Not for residential use! Do not use this heater in the home, sleeping quarters, 
attached garages, etc.   Installation of a commercial tube heater system in residential 
indoor spaces may result in property damage, serious injury, asphyxiation or death.

AG2 Series 

Insert Manual

For complete installation instructions, see the Tube Heater General Manual 
that accompanies this Series Insert Manual. 

The AG2 Series Infra-Red Tube Heater is a positive pressure, two-stage radiant heater system. This insert 
manual is a supplement to the Tube Heater General Manual and provides specific information related to 
the AG2 Series model.  All persons involved with the installation, operation and maintenance of the heater 
system must read and understand the information in this insert manual and the accompanying Tube 
Heater General Manual.

For Your Safety

If you smell gas: 

•  Do not try to light any appliance.  

•  Immediately call your gas supplier from a neighbor’s phone.

•  Do not touch any electrical switch. 

•  Follow the gas supplier’s instructions. 

•  Do not use any phone in your building.   •  If you cannot reach your gas supplier, call the fire department.
 

Keep these instructions for future reference.

F/N: LIOAG2a-3M-5/07 (MWG)

Replaces F/N: LIOAG2-2M-2/06

Summary of Contents for AG2 series

Page 1: ...tube heater system in residential indoor spaces may result in property damage serious injury asphyxiation or death AG2 Series Insert Manual For complete installation instructions see the Tube Heater G...

Page 2: ...7 Wiring 7 Specifications 10 Tube Installation Sequence 11 3 0 Operation 12 Sequence of Operation 12 Thermostat 12 Diagnostics 13 4 0 Troubleshooting Guide 14 5 0 Parts 18 Components 18 Parts List 18...

Page 3: ...36E96 224 N Micro60 24 840 851 3 PCS Harness 852 None N A None None N A None Grey Norton 50 High 201 4 Stnd 202 Yellow 24V 828 Red LED 827 None N A 40VA 826 Fasco Lg 55A 50Hz 120V 55B When Specified...

Page 4: ...titanium alloy or aluminized steel depending on the model number of your heater Rotate the tube s welded seam to bottom Consult the manual s for further details 4 1 0 Safety Safety Labels and Location...

Page 5: ...urner 0 7 7 6 30 AG2 30 40 50 100 N P 0 14 14 6 66 45 39 8 10 66 with 1 side shield 0 29 8 6 66 with 2 side shields 0 16 16 6 66 20 ft from burner 0 7 7 6 30 AG2 40 50 125 N P 0 20 20 6 76 45 58 8 10...

Page 6: ...t Not for residential use Do not use this heater in the home sleeping quarters attached garages etc Installation of a commercial tube heater system in residential indoor spaces may result in property...

Page 7: ...e thermostat with a voltage other than 24V may damage the heater The AG2 Series requires a 24V connection to the thermostat This is supplied by an external transformer field supplied See below Electri...

Page 8: ...this appliance Check existing wiring replace if necessary Note If any of the original wire as supplied with the appliance must be replaced it must be replaced with wiring material having a temperature...

Page 9: ...t Tube Brooder Installation houses with 4 ft and 5 ft on center truss locations NOTE Utilize elongated hangers TP 19E on houses 60 feet or more with center house mounting to allow for a wider throw pa...

Page 10: ...22 8 190 7 to 11 Alum HRT 40 5 5 3 AG2 40 125 N or LP 125 000 95 000 40 11 22 8 190 9 to 14 Alum HRT 40 5 5 3 AG2 40 150 N or LP 150 000 100 000 40 11 22 8 190 10 to 14 Ti AL HRT 40 5 5 3 AG2 50 100 N...

Page 11: ...nt tube sections must be installed in the following order NOTE Refer to the Tube Heater General Manual Chart 3 6 page 22 for secured reflector joints Uncoated Aluminized Steel Secondary Combustion Cha...

Page 12: ...ol can be reset by briefly interrupting the power source Two Stage Running Circuit The second stage on the gas valve is powered directly from the second stage of the thermostat In order for two stage...

Page 13: ...f lockout Soft Lockout The heater will attempt to light three times In the event of a failed attempt to light gas pressure valve no flame sense etc the heater will enter a soft lockout period for 30 m...

Page 14: ...between panel and heater Does the ignitor warm up and glow red 14 4 0 Troubleshooting Guide 4 0 Troubleshooting Guide Turn up thermostat No Yes Continued on page 16 AG2 Series Yes No No Yes No The cir...

Page 15: ...e secondary side of the external transformer Is there 24V to the thermostat 15 4 0 Troubleshooting Guide Key Start Question Process Question Corrective Action AG2 Series No Find the source of the elec...

Page 16: ...s Correct problem Replace gas valve Is the ball valve in the ON position No Yes Confirm that gas pressure is within maximum and minimum inputs as indicated on the heater s rating plate Is gas pressure...

Page 17: ...rating plate Replace the sensing rod if necessary No Yes Confirm that the flame rod sensor wire is okay if so replace the circuit board If the heater does not enter High Fire mode check the following...

Page 18: ...itor Box Cover TP 65I 36 Interlocking Turbulator Baffle TP 13 8 x 1 2 Self Drilling Screw TP 68B Large Strain Relief Bushing with Lock Nut TP 14 Sight Glass Gasket TP 70 Control Box Cover Gasket per f...

Page 19: ...w 24 Volt Control Wire TP 214 Glo Bar Wiring Harness TP 380 16 Burner Tube with Flange TP 217 Pressure Switch Barb TP 383A Glo Bar Ignitor Plate TP 218 Differential Switch Vinyl Sensing Tube exhaust T...

Page 20: ...nd Cap Clips TP 33B 1 2 Shut Off Valve Ball Valve Inlet Tap TP 83 24 Stainless Steel Flexible Gas Connector Filled By Kit Contents Check List 20 AG2 Series Kit Contents Tube Heater General and AG2 Ser...

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