User`s Manual & Trouble Shooting Guide for the Trojan 66B Stock
Contents
1. Operating Instructions NOTE The following warning applies to installations using LP Propane Gas WARNING To avoid possible injury tire and explosion please read and follow these precautions and all instructions on this appliance before lighting the pilot This appliance uses L P Propane gas that is heavier than air and will remain at low levels if there is a leak Before lighting sniff air at low levels If you smell gas follow these rules 1 Shut off gas at L P tank and 2 DO NOT attempt to light If your L P tank runs out of fuel turn off gas at the stock tank heater After L P tank is refilled stock tank heater must be re lit according to manufacturer s instructions If the gas control has been exposed to WATER in way DO NOT try to use it It must be replaced DO NOT attempt repair on gas control or appliance Tampering is DANGEROUS and voids all warranties Make sure gas piping is pressure tested before gas valve Unitrol is connected High pressure can damage gas valve Unitrol causing a hazardous condition Do not subject gas valve Unitrol to more than 1 2 P S 1 14 W C inlet pressure 1 Pilot may be lit by raising the burner assembly out of the casing be sure the temperature sensing bulb is free to be raised with the burner assembly 2 Turn Control off on to OFF position See Figure 2 in Trouble Shooting section for gas valve Unitrol locations Turn temperature dial to lowest readi2. flame is too hot and thermocouple may be dam aged Order a new one 6 Weak magnet 1 Replace gas valve Unitrol NOTE See test procedure No 2 7 Red Button Melted or Deformed 1 The knob will not push down into correct position Replace Red Knob Pilot lights but burner 1 Control off on set to PILOT 1 Turn Control off on to ON doesn t 2 Temperature dial too low 1 Turn temperature dial to a higher number 3 Temperature sensing bulb too 1 Bulb must be less than 60 degrees to light warm Burner If bulb is less than 40 degrees amp burner still won t light see next cause Sensing bulb must be below water level in bulb guide 4 Temperature sensing bulb or line is 1 Dents in temperature sensing bulb par damaged tially crushed due to water freezing in the bulb tube guide see Fig No 2 or sharp bends in the line may cause the control to think the temperature is higher than it is It the damage is major a new gas valve Unitrol is required Tempera ture sensing bulb not sold Separately Trouble Shooting PROBLEM POSSIBLE CAUSE WHAT TO DO 6 Damaged bellows 1 Temperature sensing bulb exposed to either high temperature or crushed due to water freezing in the bulb tube guide The bellows housing may exhibit a large gap to the main valve body See Figure No 2 May have to replace Robert Shaw UNITROL unit 7 Dirt in burner orifice Remove burner and orifice C
3. not slide in the anchor bracket Over tightening this bolt is unnecessary and may cause deformation of the anchor bracket Heater should be installed at least three feet from any building board fence or any structure to eliminated downdrafts The temperature sensing bulb has been placed in a protective tube or Bulb Guide 18 on the outside of the Casing 23 At all times when the burner assembly is in operation the temperature sensing bulb must be in the bulb tube guide This is intended to allow easy withdrawal FOR ADJUSTMENTS OR REPAIR This unit may be used to heat a polyethylene stock tank as long as the stock tank heater is 4 inches from the side of the stock tank A Pressure Regulator should first be installed by your gas service man and set per recommended pressures listed in the specifications section Regulator should be installed in line within 7 feet of this tank heater Flexible rubber hose is to be connected to the fitting from the regulator and the bottle gas supply CAUTION Be sure to blow out the piping before connecting to the heater hose to eliminate any moisture from the lines Protect Hose Assembly 2 and the small temperature sensing bulb control sensing tube from being damaged by livestock CAUTION Do not use pipe compound shellac or any other sealing compound on any of the fittings between supply lines and this control unit Brass to brass or brass to aluminum connections do not require any sealing comp
4. Cable Heater AG Universal Automatic Gas Heater Part No 15037 An efficient way to prevent freezing Mount this unit under livestock waterers It runs on LP or convert to natural gas Developing 4 060 BTU per hour An adjustable automatic thermostat permits you to control the temperature for whatever the condition Hot Scot Heater Part No 12520 An excellent replacement or repair heater This 450 watt 120 volt space heater features ranges from 30 to 150 F Only 4 amps required measures 8 1 8 x 3 x 2 1 8 Not to be immersed in water DISCOVER Pipe N Hot Heater Part No 12523 Prevent water line freezing Works well on plastic or metal pipe in cold weather Useful as a heat supplement on supply lines under livestock waterers Requires 100 watt Part No 15450 Beck Sales Company Inc 36 watts supplemental heat for supply lines works great on plastic or metal supply lines beneath livestock waterers Wired through existing thermostat Trojan Specialty Products Phone 620 225 1770 Toll Free 800 279 1770 Fax 620 225 6521 E mail info becksales net www trojanlivestock com Page 15 Rev 2 2007 66B Stock Tank Heater TROJAN WARRANTY CARD COMPLETE AND MAIL FOR WARRANTY REGISTRATION Date of installation Dealer s Name Phone No Address City State Your Name Phone No Address City State Why did you buy Trojan Will this replace existing product Y What brand TO BE VALID THIS
5. FORM MUST BE COMPLETED AND MAILED WITHIN 10 DAYS AFTER INSTALLATION ise it Sf Gt St GG il sii st eu itt ti Ge This Automatic Gas Tank Heater is designed to operate efficiently and economically when properly installed If given the proper care this heater will give the best of service for years It has been tested for leaks and proper burning operation This unit is guaranteed for one year against defects in materials and workmanship If you find any defects in materials or workmanship please call or write our Customer Service Department at 1 800 279 1770 or E mail us at info becksales net Trojan Specialty Products PO Box 1735 Dodge City KS 67801 Owners Reference Date Purchased Purchased From Beck Sales Company Inc dba TROJAN SPECIALTY PRODUCTS 10860 U S Hwy50 P O Box 1735 Dodge City KS 67801 Toll Free 800 279 1770 Phone 620 225 1770 Fax 620 225 6521 www trojanlivestock com E mail info becksales net Page 16 Rev 2 2007
6. Part 15000 Page 2 PARTS ARE AVAILABLE Rev 2 2007 chamber length 20 TROJAN SPECIALTY PRODUCTS CHECK FOR THE FOLLOWING BEFORE OPERATING YOUR 66B LOW PRESSURE GAS REGULATOR IS REQUIRED OR WARRANTY IS VOIDED BURNER ASSEMBLY MUST BE LIT OUTSIDE OF THE CASING REFER TO PAGE 6 FOR LIGHTING INSTRUCTIONS ONLY PILOT LIGHT NEEDS TO BE BURNING WHEN BURNER ASSEMBLY IS INSERTED INTO CASING MAKE SURE BURNER PLATE IS CONNECTED TO HEATING CHAMBER see figure 1 page 5 IF NOT CONNECTED PROPERLY THE UNITROL WILL BE DAMAGED AND WILL HAVE BE REPLACED IF YOU LOOK DOWN INTO THE CASING AND SEE A FLAME IT IS NOT CONNECTED PROPERLY THE SENSING BULB ON THE UNITROL IS GAS FILLED IF BENT CRIMPED HEATED OR DAMAGED IN ANY WAY THE ENTIRE UNITROL WILL HAVE TO BE REPLACED DON T LET THE SENSING BULB TUBE FILL WITH WATER IT WILL FREEZE THUS CAUSING REPLACEMENT OF THE ENTIRE UNITROL ADD ENOUGH VEGETABLE OIL INTO THE SENSING BULB TUBE TO COVER SENSING BULB TO PREVENT FREEZING THE SENSING BULB IS THE HEART OF THE UNIT THERE IS NO TRANSPLANT AVAILABLE Temperature Sensing Bulb NOT Repairable FOR PRODUCT OR SERVICE INFORMATION CALL TOLL FREE 800 279 1770 1 Page 4 Assembly Instructions Refer to Figure 1 page 5 to clarify the following assembly instructions To avoid removal of the Cover 6 from the Casing 23 the Anchor Brackets 27 amp 28 should be assembled onto the Ca
7. TROJAN SPECIALTY PRODUCTS User s Manual amp Trouble Shooting Guide for the Trojan 66B Stock Tank Heater Beck Sales Company Inc dba TROJAN SPECIALTY PRODUCTS 10860 U S Hwy50 P O Box 1735 Dodge City KS 67801 Toll Free 800 279 1770 Phone 620 225 1770 Fax 620 225 6521 www trojanlivestock com E mail info becksales net TROJAN SPECIALTY PRODUCTS TROJAN S 66B L P GAS STOCK TANK HEATE Adjustable Hinged lid opens for easy brackets fit service access most steel Control and wood poly Built In Flue Air Vents burner assembly or concrete easily removed tanks a for servicing Tank overflow won t enter Warm air around heater lowered control valve eliminates freeze ups and Long lasting heavy sticky valves steel casing with a tough baked on gt powder coat finish Easy to light wa Stays lit in wintery weather Able to clean condensation from the tank e Works with LP or natural gas Condensahon ine Easy to light and stays lit in the winter Sold Seperately AGA listed automatic control for safe operation Thermostat and controls may be removed easily for service Height 35 Adjustable brackets fit most steel wood poly Diameter 1 2 or concrete tanks Weight 49 Ibs 12 400 BTU every hour if needed Casing and heat No gaskets to melt or leak Long lasting heavy steel casing Control and burner assembly easily removed for servicing
8. g gas 1 Check to see if tank valve is ON 2 Control off on set to pilot 3 Red reset button depressed it may take 30 to 60 seconds to bleed all air from Pilot doesn t light line 2 Pilot orifice blocked 1 Remove flare nut and 1 4 line See Fig 1 No 14 2 Pull line back amp remove orifice 3 Clean with compressed air DO NOT use drill bit or wire as this may change the size of the orifice and cause an improper or unsafe flame 3 Control Knob not in Pilot position 1 Check to see if control knob is set in Pilot position 1 Are you using a Low Pressure 1 If a Low Pressure Regulator is not being Regulator used install one Operation of unit with out one could ruin the Robert Shaw Unitrol unit Blow out the bellows 2 Thermocouple not hot enough 1 Hold red reset button down longer It should not take more than 30 40 seconds 3 Damaged thermocouple or just 1 Replace with new one bad Kinked hole frozen etc 2 Tighten thermocouple nut finger tight plus turn and NO MORE Overtightening may damage thermocouple or magnet Pilot will light but doesn t Stay lit 4 Pilot flame in wrong position 1 Flame should Contact the upper 1 3 and including the tip of the thermocouple 3 8 to 1 2 Bend flame deflector hood as needed Operates best when bent in L 5 Pilot flame is wrong size 1 Adjust pilot adjustment screw See Fig 2b If thermocouple has swelled
9. goes out when in Casing 2 Try to point the tip of the boot into the prevailing wind 2 The stack chimney passage 1 Clean out the passage chimney plugged 3 Lack of air flue convection 1 Allow sufficient time for the pilot light heat to create a convection after installing burner assembly in casing before starting the main burner 4 Excessive water condensation 1 Empty water and operate at a build up in Casing slightly higher temperature dial setting Runs best between 4 and 6 Trouble Shooting Figure No 2 Gas Valve Unitrol 2a Top View 1 Reset Button Red No 15416 3 Temp Dial _ gt No 15415 2b Side View 1 Reset Button Red No 15416 3 Temp Dial No 15415 Temperature Sensing Bulb Factory Calibration Crimps 2c End View 1 Reset Button Red No 15416 M ____ gt 1 2 Pipe Inlet Bellows Housing Damaged Bellows Look for the gap to be greater than 1 8 2 Control Off On No 15414 2 Control Off On No 15414 Pilot Adjustment Screw Pilot Connection Damaged Sensing Bulb Look for a crushed bulb 2 Control Off On 15414 3 Temp Dial No 15415 Page 11 Rev 2 2007 Thermocouple Connection Trouble Shooting Pilot Burner Adjustment See Figure 2 and 3 1 Adjust pilot adjustment screw Figure 2b to provide properly sized flame Figure 3 2 Improper flame size can resu
10. k When possible store complete stock tank heater in an air tight container and free from water dirt and dust If not possible to store complete stock tank heater in air tight container a You should remove the complete burner assembly the insides from the casing Place a plug in the gas inlet opening or tape over the opening Also wrap the burner in a plastic bag DO NOT COVER GAS VALVE Unitrol with plastic bag This could cause damage and result in replacing gas valve Unitrol b Turn casing upside down and if possible cover up If the unit must be stored in an upright position then it is important that it be protected from having water accumulation in the casing The burner assembly should not be exposed to water If you are leaving the stock tank heater in the stock tank you should leave the gas supply in tact and leave the pilot lit This will help prevent premature rusting and gas valve Unitrol failure and possible replacement To restore operation be sure the casing is free of nests etc before starting up Specifications Input Ratings Propane 13 000 BTU HR 10 9 in W C at Manifold Natrural Gas 13 000 5 0 in W C at Manifold Recommended Pressures in W C Natural L P Minimum Supply Pressure 7 0 11 0 Maximum Manifold Pressure 5 0 10 9 Orifice Sizes Drill Size No Main Burner 53 58 Pilot Burner 77 87 Page 7 2 2007 Trouble Shooting 1 Pilot burner not gettin
11. lean with compressed air DO NOT use drill bits or wire to clean This may change the orifice size and cause im proper or unsafe burner operation Burner lights but doesn t 1 Temperature sensing bulb to cold 1 Warm to 50 degrees and check shut off 2 Temperature sensing bulb or line damaged causing a leak 1 If temperature sensing bulb has lost some or all of Its fluid the control will think the temperature is colder than it is 2 Order a new gas valve Unitrol Tempera ture sensing bulb not sold separately 3 Temperature dial 1 See Figure No 4 for recalibration proce dures 4 Expanded Bellows 1 Replace Robert Shaw UNITROL Unit Melted valve knobs 1 Main burner orifice partly plugged 1 Remove burner and clean 2 Low pressure or bad gas supply 1 Correct gas supply 3 Burner assembly is not properly 1 Remove and re insert burner assembly inserted into casing making sure that it is all the way to the bottom and tight against the boot 2 Replace melted knobs 4 Chimney could be partially plugged 1 Remove burner assembly Blow compressed air into top of chimney to remove debris Sensing Bulb froze down in 1 Frozen water in tube 1 Put vegetable oil in tube but keep close tube watch vegetable oil will float on water Continued On Next Page Page 9 Rev 2 2007 Trouble Shooting Burner assembly works fine 1 Wind blowing out flame 1 Always keep top cover closed outside of Casing but
12. lt in pilot light not staying lit Figure 3 Figure 3 Troubleshooting Pilot Flame 1 CORRECT FLAME 2 NOISY LIFTING BLOWING 3 LAZY YELLOW FLAME Check For Check For Clogged Primary Air Opening Low Gas Pressure Clogged Orifice e High Gas Pressure Wrong Orifice 3 8 To 1 2 Thermocouple Or E Thermopile 4 WAVING BLUE FLAME 5 HARD SHARP FLAME 6 SMALL BLUE FLAME Check For Check For Check For Drafts At Pilot O High Gas Pressure Wrong Orifice i Too Small Orifice Low Gas Pressure Locati ocation Clogged Pilot Line Test No 1 To Test Thermocouple Using Millivolt Test No 2 To Test Magnet Using Millivolt Meter And Meter And Robertshaw Adapter 75036 see fig A Robertshaw Adapter W75036 see fig A 1 Unscrew thermocouple from control 1 After testing thermocouple and replacing if necessary 2 Screw Robertshaw adapter 75036 into control as described above follow normal pilot lighting 3 Screw thermocouple into adapter Figure A procedure with adapter and 4 Connect millivolt meter leads to millivolt meter attached as shown adapter and thermocouple as in fig A shown in fig A 2 Allow pilot to burn for three 5 Light pilot and allow it to heat tip minutes 3 Note millivolt reading on meter and blow out pilot i 4 Magnet should continue to hold for a drop of five millivolts or more before it releases A snap can be heard when magnet
13. ng Turn Control off on to pilot position Light match and hold at pilot While holding lit match at pilot completely depress red reset button and light pilot May take several seconds for gas to reach pilot After pilot lights hold red reset button down for 60 seconds Release red reset button If pilot goes out turn control off on clockwise to OFF and repeat steps four through eight 0 After pilot is properly lit it is very important NOT to turn control off on to ON position until after the burner is lowered to the bottom of the casing then turn the control off on to ON position If the burner is turned on while lowering the pilot and burner to the bottom of the casing the unit will go out from lack of oxygen before draft is started 11 Re insert the temperature sensing bulb in the bulb tube guide Being careful NOT to bend dent or crimp the temperature sensing bulb This can cause breakage or damage to the temperature sensing bulb may result in replacement of Unitrol and VOIDS all warranties 12 Turn temperature dial to desired setting Temperature Dial Markings correspond approximately to the following OFF temperatures DIALPOSITION 1 2 3 4 5 7 8 9 TEMP F 1105 36 40 44 48 52 56 60 64 68 Suggested starting temperature Page 6 Rev 2 2007 Storage Instructions Remove the complete stock tank heater from the stock tan
14. ound Any particle of sealing compound that gets into the control will not allow the control to function properly The use of a sealing compound and the servicing of this control by anyone will void the one year guarantee on the control Rev 2 2007 Assembly Instructions Figure No 1 66B Stock Tank Heater Assembled Heater Item No Part No Description 11869 Robertshaw Unitrol 110SS 16628 Gas Hose Assembly 13989 Burner Plate 13994 1 4 Pilot Tube 23 13997 Pilot Assembly 13999 Round Cover 14428 58 Orifice Main Burner LP only 14429 24 Thermocouple 14441 Brass Locator Fitting 14442 Brass Inlet Fitting 14446 90 Orifice Holder N 15418 Pilot Orifice Pkg LP 14488 Thermocouple Spring aN 14489 1 4 Ferrule amp Sleeve for Pilot 14493 Pilot Tube Unitrol Fitting Only 14962 1 8 x 18 9 16 Nipple Pipe 14963 1 8 x 5 Nipple Pipe 15006 Bulb Guide 15092 Cast Iron Burner w Screws 15414 On Off Control Dial Plastic Temp Control Dial Plastic 15 34 15471 Casing amp Heat Chamber Included w 20000 17190 1 8 NPT Pipe Cap 3 00 22 3 Temperature Sensing Bulb Not Available As A Repair Part Page 5 Boot Rev 2 2007
15. releases If magnet does not hold for a drop of at least five millivolts replace control Magnet is good if it holds Adaptor for a drop of five millivolts or more of thermocouple for three minutes If pilot will not stay lit hold red reset button down during this test 6 If meter reads below 13 millivolts replace thermocouple If meter reads 13 millivolts or more the thermocouple is good Thermocouple Page 12 Rev 212007 Trouble Shooting Figure No 4 Re Calibration of the Robertshaw 110SS Gas Heating Control see Figure No 2 for details If the burner will light but will not shut off the temperature sensing bulb probably has lost some of its fluid A new gas valve Unitrol will be required If there has been MINOR damage to the temperature sensing bulb or line on your gas valve Unitrol the burner may not light The temperature dial may be re calibrated in this case If the damage is major it will not be possible to re calibrate and a new gas valve Unitrol will be required Temperature sensing bulb is not sold separately TO RE CALIBRATE Remove the temperature dial Using needle nose pliers hold the pointer on the dial shaft Loosen the nut holding this pointer Move the pointer clockwise approximately 90 degrees 1 4 turn Re tighten nut Replace temperature dial Turn temperature dial and note where valve clicks off For correct calibration the temperature sensing bulb should be 52 degrees
16. sing instead of assembling the Anchor Brackets separately and sliding it onto the Casing Slide the Right Hand Half Band Assembly 25 between the Casing and the Bulb Tube Guide 18 This will help hold the Anchor Brackets 27 amp 28 in place to complete the assembly Insert the 5 16 x 6 Hex Head Bolt 30 through the non threaded hole in the Left Hand Anchor Bracket 28 with the bolt head toward the leg side of the angle see Figure 1 page 5 Insert this bolt through one of the two rear holes in the Left Hand Half Band Assembly 26 The hole selected depends on the thickness of the stock tank wall Insert the bolt through the Center Brace Tube 29 the Right Hand Half Band Assembly 25 and through the non threaded hole in the Right Hand Anchor Bracket 27 Install the 5 16 Nut 32 but do not tighten at this time Install the 1 4 x 2 1 2 Hex Bolt 31 through the front holes of the Half Band Assemblies 25 amp 26 and loosely install the 1 4 Nut 33 Install two 3 8 x 2 1 2 Bolts 34 in the threaded holes on the Anchor Brackets 27 28 Install 66B in the stock tank and slide hanger bracket to desired position The unit should be installed as level as possible It may be desirable to tip the unit slightly so that the front of the boot see Figure 1 page 5 for location of boot is a little lower than the bottom of the casing When in the desired position tighten the 5 16 bolt and nut 30 amp 32 so the unit does
17. when the dial is at 5 position If this calibration is not suitable repeat steps 1 through 7 9 There is a limit to how much the unit can be calibrated If these steps do not correct the problem a new gas valve Unitrol may be required ea pe Temperature sensing bulb not sold separately Page 13 Rev 2 2007 Accessories Propane Hook Up Kit Part No 50000 This kit provides the connecting link between an LP cylinder and a stock tank heater or other low pressure equipment and appliances Not for use with high pressure equipment 11 WC Low Pressure Condensation Kit Regulator Part No 15023 For Vapor Propane Only Part No 50100 Condensation is a natural by product of combustion 1 4 FPT Inlet x 3 8 FPT Outlet and of having a warm tank The Trojan Regulator is for low in cold water This condensation pressure vapor propane will be evaporated during applications only Capacity 125 000 BTU hr heating In some situations at 25 P S I inlet pressure however condensation may appear to be excessive due Not for use with torches or to climate If water accumulates high pressure equipment in the tank heater you may need this kit Easy to install and use Page 14 Rev 2 2007 Additional Trojan Heater Products Please Fill Out Cut On Dotted Line And Mail To Trojan Specialty Products PO Box 1735 Dodge City KS 67801 rss 8
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