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1. Area of Common Vent Vent Height 4 in 5 in 6 in 7 in ft Fan Fan Fan Nat Fan Fan Fan Nat Fan Fan Fan Nat Fan Fan Fan Nat 6 92 81 140 116 204 161 309 248 8 101 90 155 129 224 178 339 275 10 110 97 169 141 243 194 367 299 15 125 112 195 164 283 228 427 352 20 136 123 215 183 314 255 475 394 30 152 138 244 210 361 297 547 459 Based on NFPA Table 13 6 Table 10 3 Maximum Connector Horizontal Run ft Type B Vent connector with common vent into Masonry Chimney Table 10 4 Maximum total appliance input Capacities MBh Type B Vent connector with common vent into Masonry Chimney Based on NFPA table 13 8 amp 13 2 2 Vent Connector Maximum Length in section 13 2 10 6 576 5 Connector Vent Height e Area of Common Vent Dia in 10 ft 15 ft 20 ft 30 ft Helght 12 in 19 2 28 in 38 in 3 4 5 4 5 4 5 4 5 ft Fan Fan Fans Fan Fan Fan Fan 4 NA NA NA NA Fan Nat Fan Nat Fan Nat Fan Nat 5 NA NA NA NA 6 NA 74 NA 119 NA 178 NA 257 3 4 5 4 5 4 5 4 5 8 NA 80 NA 130 NA 193 NA 279 4 6 6 6 6 10 NA 84 NA 138 NA 207 NA 299 5 NA NA NA NA 15 NA NA NA 152 233 334 3 NA NA NA NA 20 NA NA NA NA NA 250 NA 368 4 6 6 6 6 30 NA NA NA NA NA 270 404 5 7 5 7 5 7 5 7 5 Based on NFPA Table 13 8 4 6 6 6 6 5 7 5 7 5 7 5 75 Figu
2. and through the single wall pipe Using 3 4 sheet metal screws attach the two pieces of pipe Do not over tighten C Repeat Step B drilling and inserting 2 additional screws attach the two pieces of pipe Do not over tighten D To seal the annular opening run a large bead of 350 F silastic The GAP between the single and double wall pipe must be sealed but it is not necessary to fill the full volume of the annular area Additional Requirements For Horizontal Category III Venting 1 All heaters that are horizontally vented with 3 vent pipe perform as category IIl appliance Category III venting has special venting requirements as follows A All residential horizontally vented category Ill heaters must be vented with an agency certified category Ill venting system Agency certified category IIl venting systems are available from your local vent pipe distributor Follow the agency certified category IIl vent manufacturers instructions for installations B For commercial and industrial horizontally vented heaters you may use either agency certified category III venting systems or single wall galvanized or stainless steel vent pipe If uncertified single wall vent pipe is used all seams and joints must be sealed with metallic tape or silastic suitable for temperatures up to 400 F Wrap the tape two full turns around the vent pipe 2 Limit the total equivalent vent pipe length to a minimum of 3 and a maximum of 30 makin
3. 20 18 5 5 D One of the two allowed elbows is required to create the vent extension shown in figures 9 3 and 9 4 The vertical rise gained from an elbow is 4 Therefore 4 may be subtracted from the length of vertical pipe needed in the vent extension If the minimum vertical rise required is 4 you do not need to add a section of vertical pipe to the vent extension 8 6 576 5 INSTALLATION Figure 9 1 Horizontal Category Venting Clearance to Eave Listed thimble Vent Tee Horizontal vent tee configuration 27 Min Listed thimble Vent Tee Vertical vent tee configuration Specified Terminal See No 3 page 8 Minimum vertical rise from horizontal vent Listed thimble 3 8 Condensate drain hole Vent extension configuration Figure 9 2 Horizontal Category I Venting TEE With Downward Pitch Exterior wall 1 4 Slope down towards termination Vent tee 12 Min Figure 9 3 Horizontal Category Venting Vent Extension With Upward Pitch Specified Terminal see No 3 page 8 Exterior wall 1 4 Slope up Minimum vertical rise towards termination from horizontal vent Listed thimble Clean out Drip leg Vent transition Maximum vent length B Figure 9 4 Horizontal Category Venting Vent Extension With Downward Pitch Specified Terminal see N page 8 Exterior wall 1 4 Slope down Minimum vertical
4. PROPERTY OF THE OWNER PLEASE BE SURE TO LEAVE IT WITH THE OWNER WHEN YOU LEAVE THE JOB SPECIAL PRECAUTIONS TABLE OF CONTENTS SPECIAL PRECAUTIONS THE INSTALLATION AND MAINTENANCE INSTRUCTIONS IN THIS MANUAL MUST BE FOLLOWED TO PROVIDE SAFE EFFICIENT AND TROUBLE FREE OPERATION IN ADDITION PARTICULAR CARE MUST BE EXERCISED REGARDING THE SPECIAL PRECAUTIONS LISTED BELOW FAILURE TO PROPERLY ADDRESS THESE CRITICAL AREAS COULD RESULT IN PROPERTY DAMAGE OR LOSS PERSONAL INJURY OR DEATH THESE INSTRUCTIONS SUBJECT TO ANY MORE RESTRICTIVE LOCAL OR NATIONAL CODES y CAUTION All literature shipped with this unit should be kept for future use for servicing or service diagnostics Do not discard any literature shipped with this unit Consult piping electrical and venting instructions in this manual before final installation Do not attach ductwork air filters or polytubes to any HAZARD INTENSITY LEVELS 1 DANGER Indicates an imminently hazardous situation which if not avoided WILL result in death or serious injury propeller unit heater Clearances to combustible materials are critical Be sure to follow all listed requirements Do not locate units in tightly sealed rooms or small compartments commonly referred to as confined spaces 2 WARNING Indicates a potentially hazardous situation ie which if not avoided COULD result in death or serious injury Without provisions for adequate combustion air and ventin
5. PS C permanent split capacitor 16 Certified for Residential and Commercial Use 6 576 5 SERVICE MAINTENANCE TROUBLESHOOTING 1 Service air moving components annually WARNING a Check fan for fit on motor shaft and for damage to blades 2 Keep unit free from dust dirt grease and foreign matter When servicing or repairing of this equipment use only paying particular attention to factory approved service replacement parts A complete a Combustion air inlets replacement parts list may be obtained by contacting the b Burners and burner orifices Turn off gas ahead of the factory Refer to the rating plate on the appliance for complete combination gas control and shut off electric power to appliance model number serial number and company the heater Remove the access panel open the union on address Any substitution of parts or controls not approved by the gas line and disconnect the igniter and sensor wires the factory will be at the owner s risk Remove the screws that attach the burner tray to the header plate and remove the burner tray and manifold assembly from the heater Carefully clean the burners CAU with a wire brush or other suitable means Replace any damaged or deteriorating burners or orifices Install the burner assembly back on to the header making certain that all screws pipes and electrical connections are Do not attempt to reuse any mechanical or electrical tight con
6. heater This warranty also does not cover consequential damages such as the cost of repairing or replacing other property which is damaged when this unit heater does not work properly HOW STATE LAW RELATES TO THIS WARRANTY Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitations or exclusions may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state 6 576 5 19 COMMERCIAL WARRANTY Seller warrants its products to be free from defects in material and workmanship EXCLUSIVE HOWEVER of failures attributable to the use of materials substituted under emergency conditions for materials normally employed This warranty covers replacement of any parts furnished from the factory of Seller but does not cover labor of any kind and materials not furnished by Seller or any charges for any such labor or materials whether such labor materials or charges thereon are due to replacement of parts adjustments repairs or any other work done This warranty does not apply to any equipment which shall have been repaired or altered outside the factory of Seller in any way so as in the judgment of Seller to affect its stability nor which has been subjected to misuse negligence or operating conditions in excess of those for which such equipment was designed This warranty does not cover the effects of physical or chemica
7. of the heater remains in force for two years from the date you purchased the unit heater WHAT MODINE WILL DO TO CORRECT ANY WARRANTY DEFECTS AND HOW YOU CAN GET WARRANTY SERVICE In the event of warranty failure Modine will provide replacement parts at Modine s cost To obtain warranty repairs or replacement of defective parts you must within the period of warranty coverage contact the agency from whom you purchased the unit heater That seller or the service agency performing service for the seller will determine whether or not the unit heater or any of its parts is in fact defective and will then either repair or obtain and install the necessary replacement parts for you If it is determined that the unit heater or parts were not defective you may be charged for any replacement parts CAUTION Do not attempt to repair the unit heater yourself nor remove it or any of its parts This must be done by a qualified service agency If you have any questions about this warranty call the person from whom you purchased the unit heater or a Modine Heating Products Representative at 1 800 828 4328 WHAT MODINE WILL NOT DO Modine will not reimburse you for any labor costs or service charges related to warranty repairs or replacements INCIDENTAL AND CONSEQUENTIAL DAMAGES DISCLAIMED This warranty does not cover incidental damages such as use of substitute heating equipment or other costs arising from the loss of use of the unit
8. parking garages the unit must be installed in accordance with the standard for parking structures ANSI NFPA 88A and in repair garages the standard for repair garages NFPA 88B In Canada installation of heaters in airplane hangars must be in accordance with the requirements of the enforcing authority and in public garages in accordance with the current CSA B149 codes In aircraft hangars keep the bottom of the unit at least 10 from the highest surface of the wings or engine enclosure of the highest aircraft housed in the hangars and in accordance with the requirements of the enforcing authority and or NFPA 409 latest edition Installation of units in high humidity or salt water atmospheres will cause accelerated corrosion resulting in a reduction of the normal life of the units Do not install units below 7 measured from the bottom of the unit to the floor in commercial applications unless unit is properly guarded to provide user protection from moving parts and 5 measured from the bottom of the unit to the floor in residential applications Be sure no obstructions block air intake and discharge of unit heaters The minimum distance from combustible material is based on the combustible material surface not exceeding 160 F Clearance from the top of the unit may be required to be greater then the minimum specified if heat damage other than fire may occur to materials above the unit heater at the temperatur
9. valve will open to allow gas to flow to the burners If the 14 fan motor has not already started it will start shortly If a flame is not sensed for any reason the main valve will close and there will be a short purge period before ignition is tried again If the flame is not sensed after four tries there will be at least a one hour wait before ignition is tried again 6 576 5 UNIT COMPONENTS Figure 15 1 Unit Heater Rear View Mounting Brackets Fingerproof Fanguard Fan Motor Vent Pipe Connection Gas Pipe Hole Gas Pipe Field Supplied Figure 15 2 Unit Heater in Standard Mounting Configuration i EER Figure 15 3 Unit Heater Turned 180 Access Panel and Heated Air Outlet Change Sides from factory this orientation brackets not attached Electrical Access Access Panel with Lighting Operating Instructions 6 576 5 15 DIMENSIONS GENERAL PERFORMANCE DATA MOUNTING HOLES TYP 3 8 X 1 LONG ACCESS SIDE Performance Modes 30 000 45 000 60 000 75 000 24 000 36 000 48 000 60 000 Vas 1 550 S P 1 5 28 3 505 720 523 749 46 25 27 4 7 1 15 1 550 S P 2 3 3 1 12 1 625 PS C 1 12 1 625 gt 25 1160 653 45 14 36 1 2 12 12 25 25 Unit Total Amps Vent Connector Size in 1 angle mounting
10. DISCLOSE TO HAVE BEEN DEFECTIVE BUYER AGREES THAT IN NO EVENT WILL SELLER BE LIABLE FOR COSTS OF PROCESSING LOST PROFITS INJURY TO GOODWILL OR ANY OTHER CONSEQUENTIAL OR INCIDENTAL DAMAGES OF ANY KIND RESULTING FROM THE ORDER OR USE OF ITS PRODUCT WHETHER ARISING FROM BREACH OF WARRANTY NONCONFORMITY TO ORDERED SPECIFICATIONS DELAY IN DELIVERY OR ANY LOSS SUSTAINED BY THE BUYER Modine Manufacturing Company has a continuous product improvement program it reserves the right to change design and specifications without notice FOR RESIDENTIAL USE SEE LIMITED CONSUMER WARRANTY ON PREVIOUS PAGE Am IMODINE Modine Manufacturing Company 2005 Commercial HVAC amp R Division Modine Manufacturing Company 1221 Magnolia Avenue Buena Vista Virginia 24416 Phone 1 800 828 4328 HEAT www modine com 11 05 3 5M Litho in USA
11. MANUFACTURING COMPANY LIMITED WARRANTY Residential Use Only WHAT THIS WARRANTY COVERS This warranty covers all defects in material and workmanship in your Modine unit heater when used for your home or garage WHAT THIS WARRANTY DOES NOT COVER Unit heater or any of its parts 1 which have been improperly installed or removed 2 which have been damaged other than by normal use 3 which have not been properly maintained 4 which have been exposed to gas input more than 5 higher than specified on the serial plate of the unit heater resulting in over firing of the heater 5 which have been exposed to possibly corrosive chemicals or chemical vapors such as found in swimming pools or potentially explosive or flammable atmospheres laden with grain dust sawdust or similar air borne materials 6 where any defect has been caused by abuse misuse neglect carelessness or accident 7 where the serial number of the unit heater has been altered defaced or removed 8 which are used in a confined space without adequate combustion air such as can be found in more air tight construction WHO THIS WARRANTY COVERS This warranty covers the purchaser of the unit heater or anyone else who owns it during the warranty period HOW LONG THE WARRANTY LASTS 1 The warranty for the heat exchanger of the unit heater remains in force for ten years from the date you purchased the unit heater 2 The warranty on all other parts
12. THIN TEN YEARS FROM DATE OF RESALE BY BUYER OR ANY OTHER USER WITHIN TEN YEARS FROM DATE OF RESALE BY BUYER IN ANY UNCHANGED CONDITION OR WITHIN ONE HUNDRED TWENTY SIX MONTHS FROM DATE OF SHIPMENT FROM SELLER WHICHEVER OCCURS FIRST BE RETURNED TO SELLER WITH TRANSPORTATION CHARGES PREPAID AND WHICH THE EXAMINATION OF SELLER SHALL DISCLOSE TO HAVE BEEN DEFECTIVE EXCEPT THAT WHEN THE PRODUCT IS TO BE USED BY BUYER AS A COMPONENT PART OF EQUIPMENT MANUFACTURED BY BUYER BUYER S REMEDY FOR BREACH AS LIMITED HEREIN SHALL BE LIMITED TO ONE YEAR FROM DATE OF SHIPMENT FROM SELLER FOR GAS FIRED PRODUCTS INSTALLED IN HIGH HUMIDITY APPLICATIONS AND UTILIZING STAINLESS STEEL HEAT EXCHANGERS BUYER S REMEDY FOR BREACH AS LIMITED HEREIN SHALL BE LIMITED TO TEN YEARS FROM DATE OF SHIPMENT FROM SELLER For Seller s Low Intensity Gas Fired Infrared Heaters BUYER S REMEDY FOR BREACH OF WARRANTY EXCLUSIVE OF ALL OTHER REMEDIES PROVIDED BY LAW IS LIMITED TO REPAIR OR REPLACEMENT AT THE FACTORY OF SELLER ANY HEAT EXCHANGER WHICH SHALL WITHIN FIVE YEARS FROM DATE OF FIRST BENEFICIAL USE BY BUYER OR ANY OTHER USER WITHIN FIVE YEARS FROM DATE OF RESALE BY BUYER OR ANY OTHER USER WITHIN FIVE YEARS FROM DATE OF RESALE BY BUYER IN ANY UNCHANGED CONDITION OR WITHIN 66 MONTHS FROM DATE OF SHIPMENT FROM SELLER WHICHEVER OCCURS FIRST BE RETURNED TO SELLER WITH TRANSPORTATION CHARGES PREPAID AND WHICH THE EXAMINATION OF SELLER SHALL DISCLOSE TO HAVE BEEN DEFECTI
13. THIN TWO YEARS FROM DATE OF FIRST BENEFICIAL USE BY BUYER OR ANY OTHER USER WITHIN TWO YEARS FROM DATE OF RESALE BY BUYER IN ANY UNCHANGED CONDITION OR WITHIN 30 MONTHS FROM DATE OF SHIPMENT FROM SELLER WHICHEVER OCCURS FIRST BE RETURNED TO SELLER WITH TRANSPORTATION CHARGES PREPAID AND WHICH THE EXAMINATION OF SELLER SHALL DISCLOSE TO HAVE BEEN DEFECTIVE EXCEPT THAT WHEN THE PRODUCT IS TO BE USED BY BUYER AS A COMPONENT PART OF EQUIPMENT MANUFACTURED BY BUYER BUYER S REMEDY FOR BREACH AS LIMITED HEREIN SHALL BE LIMITED TO ONE YEAR FROM DATE OF SHIPMENT FROM SELLER For Seller s High Intensity Gas Fired Infrared Heaters BUYER S REMEDY FOR BREACH OF WARRANTY EXCLUSIVE OF ALL OTHER REMEDIES PROVIDED BY LAW IS LIMITED TO REPAIR OR REPLACEMENT AT THE FACTORY OF SELLER ANY BURNER WHICH SHALL WITHIN TEN YEARS FROM DATE OF FIRST BENEFICIAL USE BY BUYER OR ANY OTHER USER WITHIN TEN YEARS FROM DATE OF RESALE BY BUYER IN ANY UNCHANGED CONDITION OR WITHIN 126 MONTHS FROM DATE OF SHIPMENT FROM SELLER WHICHEVER OCCURS FIRST BE RETURNED TO SELLER WITH TRANSPORTATION CHARGES PREPAID AND WHICH THE EXAMINATION OF SELLER SHALL DISCLOSE TO HAVE BEEN DEFECTIVE EXCEPT THAT WHEN THE PRODUCT IS TO BE USED BY BUYER AS A COMPONENT PART OF EQUIPMENT MANUFACTURED BY BUYER BUYER S REMEDY FOR BREACH AS LIMITED HEREIN SHALL BE LIMITED TO ONE YEAR FROM DATE OF SHIPMENT FROM SELLER All Other Components Excluding Heat Exchanger Condenser Burner and Sheet Me
14. VE EXCEPT THAT WHEN THE PRODUCT IS TO BE USED BY BUYER AS A COMPONENT PART OF EQUIPMENT MANUFACTURED BY BUYER BUYER S REMEDY FOR BREACH AS LIMITED HEREIN SHALL BE LIMITED TO ONE YEAR FROM DATE OF SHIPMENT FROM SELLER Heat Exchanger Condensers for all Seller s products except non separated combustion Gas Fired Unit Heaters and Infrared Heaters all Burners except Infrared Heaters and Sheet Metal for all Seller s products BUYER S REMEDY FOR BREACH OF WARRANTY EXCLUSIVE OF ALL OTHER REMEDIES PROVIDED BY LAW IS LIMITED TO REPAIR OR REPLACEMENT AT THE FACTORY OF SELLER ANY HEAT EXCHANGER CONDENSER OR BURNER WHICH SHALL WITHIN ONE YEAR FROM DATE OF FIRST BENEFICIAL USE BY BUYER OR ANY OTHER USER WITHIN ONE YEAR FROM DATE OF RESALE BY BUYER IN ANY UNCHANGED CONDITION OR WITHIN EIGHTEEN MONTHS FROM DATE OF SHIPMENT FROM SELLER WHICHEVER OCCURS FIRST BE RETURNED TO SELLER WITH TRANSPORTATION CHARGES PREPAID AND WHICH THE EXAMINATION OF SELLER SHALL DISCLOSE TO HAVE BEEN DEFECTIVE EXCEPT THAT WHEN THE PRODUCT IS TO BE USED BY BUYER AS A COMPONENT PART OF EQUIPMENT MANUFACTURED BY BUYER BUYER S REMEDY FOR BREACH AS LIMITED HEREIN SHALL BE LIMITED TO ONE YEAR FROM DATE OF SHIPMENT FROM SELLER Burners For Seller s Low Intensity Gas Fired Infrared Heaters BUYER S REMEDY FOR BREACH OF WARRANTY EXCLUSIVE OF ALL OTHER REMEDIES PROVIDED BY LAW IS LIMITED TO REPAIR OR REPLACEMENT AT THE FACTORY OF SELLER ANY BURNER WHICH SHALL WI
15. Z223 1 latest edition also known as NFPA 54 and other applicable local building codes Location Recommendations In Canada the installation of these units must comply with local 1 When locating the heater consider general space and plumbing or waste water codes and other applicable codes and heating requirements availability of gas and electrical with the current code CSA B149 1 supply and proximity to vent locations 2 When locating units it is important to consider that the exhaust 1 Allinstallation and service of these units must be vent piping must be connected to the outside atmosphere performed by a qualified installation and service agency 6 576 5 UNIT LOCATION Unit Mounting 3 Be sure the structural support at the unit location site is adequate to support the weight of the unit For proper CAU operation the unit must be installed in a level horizontal position 1 Do not install units below 7 measured from the bottom of 4 Do not install units in locations where the flue products the unit to the floor in commercial applications unless can be drawn into the adjacent building openings such as unit is properly guarded to provide user protection from _ windows fresh air intakes etc moving parts and 5 measured from the bottom of the unit 5 Be sure that the minimum clearances to combustible lo the floor in residential applications materials and recommended service clearances are maintained Uni
16. actory wiring may vary depending on the serial number For example a unit with the serial number controls manufacturer the wiring diagrams must be selected 30011033605 0981 has the 5th through the 7th digits as 103 with the series identity number when installing servicing or as shown underlined above To use the following diagram the troubleshooting a unit heater control system Wiring diagrams unit series ID must be 103 that follow are for units with the corresponding series identity number that may be found in the 5th through the 7th digits of Figure 18 1 Unit Heater Wiring Diagram Series 103 Wiring Legend Une Factory Internal Component Wiring 115V 60Hz 12 Power Circuit Breaker 1 Shown By Others 115V 60Hz 1 Power TD1 Relay ensor Circuit Breaker By Others Contact BK 20 OAD 5 gt Igniter pes lw BK BK lotr w o C Combination Gas Control Lok BK w Honeywell Hot Surface Y Igniter r R Combination Gas Control amp o 1 24 VAC P l4 O O QJ R Beard He He Limit Flame Fiame Rollout ollout Contre Switch Switch Flame Terminal Block HDS ONLY R N
17. brackets are slotted to accommodate joists on 16 or 24 centerlines Control Codes Control System Description POWER VENTER VENT PIPE CONNECTION 100 CONNECTION GAS CONNECTION D OPENING BACK VIEW Dimensions inches 122 122 180 180 149 149 149 159 75 107 185 185 76 1 2 22 N Gas Connection 34 5 22 5 2 22 5 Fan Diameter 10 14 Approx Shipping Weight Ibs Clearances Clearance To Combustible Materials Top and Bottom 1 Access Side 18 Non Access Side Rer 3 Control Service Thermostat Type of Code No Voltage Voltage as Recommended Service Clearance Single Stage Hot Surface Ignition 100 Shut Off Multiple Retry with Auto Reset from Lockout 34 115V 24V Utilizes single stage combination gas control with built in ignition control Gas is lit with a hot 74 115V 24V propane surface igniter on call for heat Ratings shown are for elevation up to 2000 feet above sea level in Canada refer to rating plate For elevations above 2000 ft ratings should be reduced by approximately 4 for each 1000 ft above sea level Mounting Height is measured from the bottom of the unit Heat Throws are calculated at 65 F ambient and unit fired at full rated input Throws for HD30 and HD45 are based on 8 foot mounting heights and at 10 foot heights for HD60 and HD75 S P shaded pole
18. c cu ft 126 Orifice Drill Size 49 CFH 42 9 Gal Hr Propane Sec cu ft 84 Orifice Drill Size 49 CFH 57 1 Gal Hr Propane Sec cu ft 63 Orifice Drill Size 49 CFH Gal Hr Propane Sec cu ft Orifice Drill Size 30 Wiring A WARNING Disconnect power supply before making wiring connections to prevent electrical shock and equipment damage All appliances must be wired strictly in accordance with wiring diagram furnished with the appliance Any wiring different from the wiring diagram could result in a hazard to persons and property Any original factory wiring that requires replacement must be replaced with wiring material having a temperature rating of at least 105 C Ensure that the supply voltage to the appliance as indicated on the serial plate is not 5 greater than rated A CAUTION Ensure that the supply voltage to the appliance as indicated on the serial plate is not 5 less than the rated voltage All field installed wiring must be done in accordance with the National Electrical Code ANSI NFPA 70 latest edition or Canadian Electrical Code CSA C22 1 Part 1 or local codes Unit must be electrically grounded according to these codes If any of the original wire supplied with the heater must be replaced replace it with wiring material having a temperature rating of at least 105 C The power to these unit heaters should be protected with a circuit breaker L
19. connections to prevent electrical shock and equipment damage All appliances must be wired strictly in accordance with wiring diagram furnished with the appliance Any wiring different from the wiring diagram could result in a hazard to persons and property Any original factory wiring that requires replacement must be replaced with wiring material having a temperature rating of at least 105 C Ensure that the supply voltage to the appliance as indicated on the serial plate is not 5 greater than the rated voltage When servicing or repairing this equipment use only factory approved service replacement parts A complete replacements parts list may be obtained by contacting the factory Refer to the rating plate on the appliance for complete appliance model number serial number and company address Any substitution of parts or controls not approved by the factory will be at the owners risk 6 576 5 input rating of the unit with a minimum of 100 square inches for each opening whichever is greater Low profile heaters are designed for use in heating applica tions with ambient temperatures between 40 F and 90 F Do not install unit outdoors In garages or other sections of aircraft hangars such as offices and shops that communicate with areas used for servicing or storage keep the bottom of the unit at least 7 above the floor unless the unit is properly guarded to provide user protection from moving parts In
20. d relief equipment is required The vent terminal shall not terminate closer than 2 to adjacent buildings Use an approved vent terminal to reduce down drafts and moisture in the vent Figure 6 1 Venting Through Combustible Wall or Roof D 6 Double Wall Vent Pipe Listed Terminal Single Wall Vent Pipe Listed a Terminal Flashing Flashing Listed Thimble Clearance Specified by Type B Vent Mfg Single Wall Double Wall Specified a Terminal Single Wall Vent Pipe MAC with Double wall vent pipe 9 y Clearance Specified d by Type B Vent Mfg Single Wall ra Specified Single Wall Vent Pipe la Terminal Listed e d Thimble See Instructions for attaching single wall pipe to double wall pipe page 6 Table 6 1 Minimum Height from Roof to Lowest Discharge Opening Rise X in Roof Pitch Min Height DO ums Flat to 6 12 6 12 to 7 12 7 12 to 8 12 8 12 to 9 12 9 12 to 10 12 10 12 to 11 12 11 12 to 12 12 12 12 to 14 12 14 12 to 16 12 16 12 to 18 12 18 12 to 20 12 20 12 to 21 12 D Size according to expected snow depth Figure 6 2 Vertical Venting Through Flat Roof lt 8 in gt Lil lt lt Listed Terminal Downward Slope 1 4 towards drip leg Drip Leg Tn UTE 12 Min Fig
21. ded rod This heater can also be hung utilizing the same mounting brackets and threaded rod Attach the threaded rod to the unit mounting brackets securing with a top and bottom nut Next drill holes into a steel channel or angle iron at the same centerline dimensions as those chosen for the heater that is being installed The steel channels or angle iron pieces need to span and be fastened to appropriate structural members Cut the threaded rods to the preferred length push them through the holes in the steel channel or angle iron and secure with washers and lock nuts lock washers and nuts or a double nut arrangement like used on the unit heater mounting brackets Shelf mounted units the factory the sides become opposite but the front and back remain in the same relative position The bottom panel now becomes the top panel and vice versa Remove the access panel turn it 180 and re attach it to the unit This is important so that all the information labels can be read Remove the spring loaded deflector blades turn them over replace and adjust so they are open and in a position to direct the heated air down to the floor 6 576 5 The unit heater can also be installed on a shelf if so desired The mounting brackets will need to be attached to the heater the same manner as explained earlier however to mount on a shelf the brackets must go on the bottom of the heater The brackets must be affixed to the shelf using simi
22. e described Allow 18 of clearance at rear or 6 beyond end of motor at rear of unit whichever is greater and access side to provide ample air for combustion and proper operation of fan Installation must conform with local building codes or in the absence of local codes with Part 7 Venting of Equipment of the National Fuel Gas Code ANSI Z223 1 NFPA 54 latest edition In Canada installation must be in accordance with CSA B149 1 Purging of air from gas supply line should be performed as described in ANSI Z223 1 latest edition National Fuel Gas Code or in Canada in CSA B149 codes SPECIAL PRECAUTIONS SI METRIC CONVERSION FACTORS UNIT LOCATION A CAUTION only as defined in ANSI Z223 1 latest edition or in Canada by a licensed gas fitter 2 This unit is certified with the controls furnished For When leak testing the gas supply piping system the replacements parts please order according to the appliance and its combination gas control must be isolated replacement parts list on serial plate Always know your during any pressure testing in excess of 14 W C 1 2 psi model and serial numbers The right is reserved to The unit should be isolated from the gas supply piping substitute other authorized controls as replacements system by closing its field installed manual shut off valve 3 Unit is balanced for correct performance Do not alter fan This manual shut off valve should be located with
23. egory must be connected to a factory built chimney or vent complying with a recognized standard or a masonry or concrete lined chimney with a material acceptable to the authority having jurisdiction Venting into an unlined masonry chimney is not permitted Refer to the National Fuel Gas Code for common venting The outlet of the vent should extend as shown in Figure 6 3 and Table 6 1 if the following conditions are met Vent diameter is less than 12 vent is of double wall construction and is a listed product and the vent does not terminate within 8 of a vertical wall or similar obstruction For vents that have a diameter of 12 or larger constructed of single wall or terminate within 8 of a vertical wall or similar obstruction the vent pipe shall extend at least 2 higher than any portion of a building within a horizontal distance of 10 refer to Figure 6 2 The vent system exhaust shall terminate at least 3 above any forced air inlet located within 10 and at least 4 below 4 horizontally from or 1 above any door window or gravity air inlet into any building and 2 from wall or adjoining building The bottom of the vent terminal shall be located above the snow line or at least 1 above grade whichever is greater When located adjacent to public walkways the vent system shall terminate not less than 7 above grade A minimum of 4 horizontal terminal clearance 6 for Canada from gas and electric meters regulators an
24. el Area around main gas orifices blocked with debris Unit louvers closed Heat exchanger tube s blocked with debris 5 Five flashes Flame signal sensed 5 Flame at main burners out of sequence 6 Six flashes System lockout 6 3 Three flashes pressure switch open 3 4 Four flashes limit or flame rollout switch 4 gt Gas supply off or too low Damaged or broken Ignitor No line voltage Unit not properly grounded Check flame sense rod 6 576 5 17 UNIT WIRING Table 18 1 Troubleshooting continued TROUBLE POSSIBLE CAUSE POSSIBLE REMEDY Unit starts but does 1 Main gas is off 1 Open manual gas valve not ignite 2 Air in gas line 2 Purge gas line 3 Main or manifold gas pressure 3 Set gas pressures per manual instructions 4 Check gas valve switch 4 Set gas valve switch to ON position Unit goes through cycle 1 Reversed main power polarity 1 Black wire HOT White wire NEUTRAL Green wire Ground but the burners go out in 2 Unit not grounded 2 Ground unit and verify quality of ground connection less then 10 seconds 3 Flame not sensed 3 Check flame sense probe and connection Air circulating fan 1 Loose connections 1 Check all connections inoperable 2 Defective Fan time delay relay 2 Check fan time delay relay 3 Defective fan motor 3 Check fan motor Wiring Diagram Selection Since internal or f
25. esired setting 12 If the appliance will not operate follow the instructions To Turn Off Gas to Appliance and call your service technician or gas supplier 6 576 5 13 UNIT COMPONENTS TO TURN OFF GAS TO APPLIANCE 1 Set thermostat to lowest setting 2 Turn manual shut off valve located outside of the unit to the closed position 3 Turn off all electric power to the appliance if service is to be performed 4 Remove access panel 5 Turn the gas valve switch to the OFF position 6 Replace the access panel GAS INLET GAS CONTROL SWITCH d SHOWN IN ON POSITION Figure 14 1 Major Gas Electrical Service Safety and Other Components i D CAT 224 M 7 ES Sx 2 y A 1 Wiring Diagram 6 Control Transformer 11 Hot Surface Igniter hidden 2 Power Exhauster 7 Serial Plate hidden 12 Gas Orifices 3 LED Dignostic Codes 8 Flame Sensor hidden 13 Mounting Brackets 4 Pressure Switch 9 Flame Rollout Switch 14 Combination Gas Control 5 Terminal Board 10 Limit Control hidden 15 Common Replacement Parts hidden For Hot Surface Ignition Upon a call for heat from the thermostat power is supplied to the power exhauster motor The unit will go through a purge period and then the hot surface igniter will be energized After the igniter has warmed up the main valve in the combination control
26. etween 40 F and 90 F Do not install unit outdoors In garages or other sections of aircraft hangars such as offices and shops that communicate with areas used for servicing or storage keep the bottom of the unit at least 7 above the floor unless the unit is properly guarded In parking garages the unit must be installed in accordance with the standard for parking structures ANSI NFPA 88A and in repair garages the standard for repair garages NFPA 88B In Canada installation of heaters in airplane hangars must be in accordance with the requirements of the enforcing authority and in public garages in accordance with the current CSA B149 codes In aircraft hangars keep the bottom of the unit at least 10 from the highest surface of the wings or engine enclosure of the highest aircraft housed in the hangars and in accor dance with the requirements of the enforcing authority and or NFPA 409 latest edition Installation of units in high humidity or salt water atmospheres will cause accelerated corrosion resulting in a reduction of the normal life of the units IMPORTANT m To prevent premature heat exchanger failure do not locate Do not attach ductwork air filters or polytubes to any ANY gas fired appliances in areas where corrosive vapors propeller unit heater i e chlorinated halogenated or acid are present in the In the U S the installation of these units must comply with the atmosphere National Fuel Gas Code ANSI
27. g 3 CAUTION Indicates a potentially hazardous situation which through a minimum of two permanent openings in the if not avoided MAY result in minor or moderate injury enclosure at least one near the bottom They should 4 IMPORTANT Indicates a situation which if not avoided provide a free area of one square inch per 1 000 BTU Hr MAY result in a potential safety concern A DANGER Appliances must not be installed where they may be exposed to a potentially explosive or flammable atmosphere WARNING Gas fired heating equipment must be vented do not operate unvented A built in power exhauster is provided additional external power exhausters are not required or permitted If you are replacing an existing heater it may be necessary to resize the venting systems Improperly sized venting systems can result in vent gas leakage or the formation of condensate Refer to the National Fuel Gas Code ANSI Z223 1 or CSA B149 1 latest edition Failure to follow these instructions can result in injury or death All field gas piping must be pressure leak tested prior to operation Never use an open flame Use a soap solution or equivalent for testing Gas pressure to appliance controls must never exceed 14 W C 1 2 psi To reduce the opportunity for condensation the minimum sea level input to the appliance as indicated on the serial plate must not be less than 5 below the rated input Disconnect power supply before making wiring
28. g the vent system as straight as possible see Figure 7 1 7 3 The equivalent length of a 3 elbow is 1 3 All horizontal category III vents must be terminated with a Gary Steel 1092 or Breidert Type L style vent cap The vent cap must be 11 from side of wall Refer to Figures 7 1 7 3 4 When condensation may be a problem the vent system shall not terminate over public walkways or over an area where condensate or vapor could create a nuisance or hazard or could be detrimental to the operation of regulators relief openings or other equipment 5 The venting system must be exclusive to a single unit and no other unit is allowed to be vented into it 6 When vented horizontally maintain a 1 4 per foot rise away from the heater Place a drain tee and clean out near the unit See Figure 7 1 Where local authorities have jurisdiction a 1 4 per foot downward slope is acceptable Use a drain tee with a clean out near the exit of the vent see Figure 7 2 or allow the condensate to drip out the end See Figure 7 3 7 Fora vent termination located under an eave the distance of the overhang must not exceed 24 The clearance to combustibles of the exterior vent must be maintained at a minimum of 11 Consult the National Fuel Gas Code for additional requirements for eaves that have ventilation openings Additional Requirements For Horizontal Category Venting Residential Only 1 All heaters installed with category 1 horizontal ven
29. h an unheated space or if the unit is installed in an environment that promotes condensation insulate runs greater than 5 to minimize condensation Inspect for leakage prior to insulating and use insulation that is noncombustible with a rating of not less than 350 F Install a tee fitting at the low point of the vent system and provide a drip leg with a clean out cap as shown in Figures 6 2 and When the vent passes through a combustible INTERIOR wall or floor a metal thimble 4 greater than the vent diameter is necessary If there is 6 or more of vent pipe in the open space between the appliance and where the vent pipe passes through the wall or floor the thimble need only be 2 greater than the diameter of the vent pipe If a thimble is not used all combustible material must be cut away to provide 6 of clearance Where authorities have jurisdiction type B vent may be used for the last section of vent pipe to maintain clearance to combustibles while passing through wall or floor See Figure 6 1 Any material used to close the opening must be noncombustible INSTALLATION 10 11 12 13 14 15 16 17 Do NOT use dampers or other devices in the vent or combustion air pipes Precautions must be taken to prevent degradation of building materials by flue products Single wall vent pipe must not pass through any unoccupied attic inside wall concealed space or floor All vertically vented heaters that are cat
30. here it may be desirable to clean the motors and blower housing and blow Table 17 1 out the cooling air passages of the motor with compressed air Troubleshooting 6 Perform periodic cleaning of inlet and vent terminal screens TROUBLE POSSIBLE CAUSE POSSIBLE REMEDY Unit does nothing 1 Power supply is off 1 Turn on main power 2 No 24V power to thermostat 2 Check control transformer b If failed transformer check thermostat wire gage and length 3 Thermostat malfunction 3a Verify wire connections to R amp W terminals only b Check replace thermostat Check LED code at gas valve thermostat and connection Replace control LED flashes bright dim Defective control heck main power Check for blocked or improper venting Check vent motor hose connection replace or reconnect Check pressure switch LED light off or flashing C a b d Check power exhauster motor a b b Light off no power Two flashes pressure switch closed lon me gu Check to insure control switch in ON position Check for incorrect or blocked venting Check pressure switch Check limit and flame controls and connections If flame rollout switch OK but tripped Main gas pressure too high Manifold orifice incorrect too large Incorrect unit clearance to surrounding wall ceiling Check for negative pressure in building Incorrect or blocked venting Access panel vent louvers wrong direction reverse pan
31. in 6 of or operate motors at reduced speed the heater 4 Information on controls is supplied separately Turn off all gas before installing appliance 5 The same burner is used for natural and propane gas Ensure that the supply voltage to the appliance as indicated on the serial plate is not 5 less than the rated UNIT LOCATION voltage Check the gas inlet pressure at the unit upstream of the combination gas control The inlet pressure should be 6 7 W C on natural gas or 12 14 W C on propane If inlet pressure is too high install an additional pressure regulator upstream of the combination gas control Servicing or repairing of this equipment must be performed by a qualified service agency Do not attempt to reuse any mechanical or electronic igni tion controllers which has been wet Replace defective controller IMPORTANT To prevent premature heat exchanger failure do not locate ANY gas fired appliances in areas where corrosive vapors i e chlorinated halogenated or acid are present in the atmosphere TO prevent premature heat exchanger failure the input to the appliance as indicated on the serial plate must not exceed the rated input by more then 5 To check most of the Possible Remedies in the trouble shooting guide listed in Tables 17 1 and 18 1 refer to the applicable sections of the manual SI METRIC CONVERSION FACTORS Table 3 1 To Convert Multiply By To Obtain Convert Multip
32. ing combustion or to a confined tightly sealed space or unconfined space see the National Fuel Gas Code ANSI Z223 1 or CSA B149 1 Installation Code latest edition Turning The Unit 180 All units are produced at the factory with left side controls when looking at the unit If the installation requires that the controls be on the right side the unit heater can be turned over In addition the following instructions must be followed By turning the unit 180 from the way it was received from 5c Before lifting the heater for suspension the mounting brackets must be installed Decide if the unit will be installed as standard that is with left side controls when looking at the front of the unit or with right side controls For standard left side remove brackets from shipping position and remove the 3 screws along the top edge of both the front and back of unit Align screw holes on mounting bracket with holes along front and back top edges Secure 1 mounting bracket to front of unit with retained screws Secure the other mounting bracket to back of unit in a similar way For right hand the mounting brackets are attached in a similar manner after the unit is turned over 5a Suspension by screws lag bolts Secure the mounting brackets to the ceiling joists or truss using 1 4 screws with 1 2 washers These 1 angle mounting brackets are slotted to accommodate joists on 16 or 24 centerlines 5b Suspension by threa
33. ir to the floor 3 Clearances to combustibles as previously specified must be Combustion Air Requirements strictly maintained 4 Mounting bracket installation The National Fuel Gas Code defines an unconfined space as a space whose volume is greater than 50 cubic feet per 1 000 Btu Hr input of the installed appliance s A confined space is 50 cubic feet or less per 1 000 Btu Hr input of the installed appliance s It is not recommended to install these unit heaters into residential confined spaces This recommendation is due to the concern that at some point in time the combustion air openings provided by the installer may become blocked or eliminated by the owner either intentionally or unintentionally Despite this commendation if these units are installed into a residential confined space see National Fuel Gas Code ANSI Z223 1 or CSA B149 1 Installation Code latest edition for detailed combustion air provisions These requirements must be adheard to Units installed into confined spaces in industrial commercial installations must be provided with two permanent openings one near the top of the confined space and one near the bottom of the confined space Each opening should have a free area of not less than one square inch per 1 000 Btu Hr of the total input rating of all units in the confined space freely communicating with interior areas having in turn adequate infiltration from the outside For further details on supply
34. its field installed eod ae When testing pressures 14 W C 1 2 psi or below close valve This manual shut off valve should be located within the manual shut off valve on the appliance before testing 6 of the heater Figure 12 1 Turn off all gas before installing appliance Recommended Sediment Trap Manual Shut off Valve Installation Side or Bottom Gas Connection IMPORTANT MANUAL GROUND i Gas pressure to appliance controls must never exceed 14 W C 1 2 psi To reduce the opportunity for condensation the minimum sea level input to the appliance as indicated on the serial plate must not be less than 5 below the rated input or 5 below the minimum rated input of duel rated units SHUT OFF JOIN VALVE UNION E eN To prevent premature heat exchanger failure the input to the appliance as indicated on the serial plate must not exceed the rated input by more than 5 1 Installation of piping must conform with local building codes wee a 4j N 25 or in the absence of local codes with the National Fuel Gas A ptuacep CONTROLS Code ANSI Z223 1 NFPA 54 latest Edition In Canada 3 1 8 NPT TEST installation must be in accordance with CSA B149 1 m GAGE CONNECTION 2 Piping to units should conform with local and national requirements for type and volume of gas handled and SEDIMENT pressure d
35. l properties of water or steam or other liquids or gases used in the equipment BUYER AGREES THAT SELLER S WARRANTY OF ITS PRODUCTS TO BE FREE FROM DEFECT IN MATERIAL AND WORKMANSHIP AS LIMITED HEREIN SHALL BE IN LIEU OF AND EXCLUSIVE OF ALL OTHER WARRANTIES EITHER EXPRESS OR IMPLIED WHETHER ARISING FROM LAW COURSE OF DEALING USAGE OF TRADE OR OTHERWISE THERE ARE NO OTHER WARRANTIES INCLUDING WARRANTY OF MERCHANTABILITY OR FITNESS FOR PURPOSE WHICH EXTEND BEYOND THE PRODUCT DESCRIPTION CONFIRMED BY BUYER AND SELLER AS OF THE DATE OF FINAL AGREEMENT This warranty is void if the input to the product exceeds the rated input as indicated on the product serial plate by more than 5 on gas fired and oil fired units or if the product in the judgment of SELLER has been installed in a corrosive atmosphere or subjected to corrosive fluids or gases been subjected to misuse negligence accident excessive thermal shock excessive humidity physical damage impact abrasion unauthorized alterations or operation contrary to SELLER S printed instructions or if the serial number has been altered defaced or removed Heat Exchangers For Seller s non separated combustion Gas Fired Unit Heaters BUYER S REMEDY FOR BREACH OF WARRANTY EXCLUSIVE OF ALL OTHER REMEDIES PROVIDED BY LAW IS LIMITED TO REPAIR OR REPLACEMENT AT THE FACTORY OF SELLER ANY HEAT EXCHANGER WHICH SHALL WITHIN TEN YEARS FROM DATE OF FIRST BENEFICIAL USE BY BUYER OR ANY OTHER USER WI
36. lar screws 1 4 screw with 1 2 washer as overhead joist or truss mounting Be sure all clearance to combustible requirements are met INSTALLATION A WARNING Note A vent is the vertical passageway used to convey flue gases from the unit or the vent connector to the outside atmosphere A vent connector is the pipe which connects the unit to a vent or chimney Vent connectors serving Category appliances shall not be connected into any portion of mechanical draft systems operating under positive pressure Gas fired heating equipment must be vented do not Venting Instructions operate unvented 1 A built in power exhauster is provided additional external power exhausters are not required or permitted If you are replacing an existing heater it may be necessary to resize the venting systems Improperly sized venting systems can result in vent gas leakage or the formation of condensate Refer to the National Fuel Gas Code ANSI Z223 1 or CSA B149 1 latest edition Failure to follow these instructions can result in serious injury or death Under no circumstances should two sections of double wall vent pipe be joined together within one horizontal vent 2 system due to the inability to verify complete seal of inner pipes CAUTION Installation must conform with local building codes or in the 3 absence of local codes with Part 7 Venting of Equipment of the National Fuel Gas Code ANSI Z223 1 NFPA 54
37. latest edition In Canada installation must be in accordance with CSA B149 1 Before you start use the following steps to verify that the venting system is adequately sized 1 Seal any unused openings in the venting system 2 Inspect the venting system for proper size and horizontal 5 pitch as required in the National Fuel Gas Code ANSI 2223 1 or CSA B149 1 Installation Code latest edition and these instructions Determine that there is no blockage or restriction leakage corrosion and other deficiencies which could cause an unsafe condition 6 3 In so far as practical close all building doors and windows and all doors between the space in which the appliance s connected to the venting system are located and other spaces of the building Turn on clothes dryers and any 7 exhaust fans such as range hoods and bathroom exhausts so they shall operate at maximum speed Do not operate a summer exhaust fan Close fireplace dampers 4 Follow the lighting instructions Place the appliance being inspected in operation Adjust thermostat so that the appliance will operate continuously 5 After it has been determined that each appliance connected to the venting system properly vents when tested as outlined 8 above return doors windows exhaust fans fireplace dampers and any other gas burning appliance to their previous conditions of use 6 If improper venting is observed during any of the above tests the venting system mus
38. ll heater must conform to the venting requirements called out in Table 5 1 which are detailed in the following sections as well as additional requirements also detailed in following sections A minimum of 12 straight pipe is recommended from the flue outlet before turns in the vent pipe For vertical venting it is recommended to install a tee with drip leg and clean out cap to the flue outlet followed by a 90 elbow All heaters come with a factory installed 3 vent adapter for attaching the vent pipe to the heater Attach the vent pipe to the adapter with 3 non corrosive screws Drill pilot holes through the vent pipe and adapter prior to screwing in place Install the vent pipes with a minimum downward slope from the appliance of 1 4 inch per foot and suspend securely from overhead structures at no points greater than 3 apart Fasten individual lengths of vent together with at least three corrosion resistant sheet metal screws Keep single wall vent pipe at least 6 from combustible materials Follow the double wall manufacturers clearances to combustibles The minimum distance from combustible materials is based on the combustible material surface not exceeding 160 F Clearance from the vent pipe or the top of the unit may be required to be greater than 6 if heat damage other than fire such as material distortion or discoloration could result Avoid venting through unheated space when possible When venting does pass throug
39. ly By To Obtain W C 0 249 feet 0 305 F F 32 x 5 9 Gal Hr 0 00379 Btu 1 06 Gal Hr 3 79 Btu ft3 37 3 gallons 3 79 Btu hr 0 000293 Horsepower 746 ftS hr 0 000472 inches 254 ftS hr 0 00000787 0 454 ft3 min 0 0283 psig 6 89 CFM ft3 min 0 000472 psig 27 7 A CAUTION All literature shipped with this unit should be kept for future use for servicing or service diagnostics Leave manual with the owner Do not discard any literature shipped with this unit Consult piping electrical and venting instructions in this manual before final installation A DANGER Appliances must not be installed where they may be exposed to a potentially explosive or flammable atmosphere A CAUTION Clearances to combustible materials are critical Be sure to follow all listed requirements Do not locate units in tightly sealed rooms or small compartments commonly referred to as confined spaces without provisions for adequate combustion air and venting Combustion air must have access to the confined space through a minimum of two permanent openings in the enclosure at least one near the bottom They should provide a free area of one square inch per 1 000 BTU Hr input rating of the unit with a minimum of 100 square inches for each opening whichever is greater Low profile heaters are designed for use in heating applica tions with ambient temperatures b
40. nce Do not touch any electric switch do not use any phone in your building Immediately call your gas supplier from a neighbors phone Follow the gas suppliers instructions f you cannot reach your gas supplier call the fire department C Use only your hand to move the gas control switch Never use tools If the switch will not move by hand don t try to repair it call a qualified service technician Force or attempted repair may result in a fire or explosion D Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part to the control system and any gas control which has been under water OPERATING INSTRUCTIONS 1 STOP Read the safety information above 2 Setthermostat to lowest setting 3 Turn off all electric power to the appliance 4 This appliance is equipped with an ignition device which automatically lights the pilot Do not try to light the pilot by hand 5 Remove the access panel 6 Move the gas control switch to the OFF position 7 Wait five 5 minutes to clear out any gas Then smell for gas including near the floor If you smell gas STOP follow B in the safety information above If you don t smell gas go to the next step 8 Move the gas control switch to the ON position 9 Replace control access panel 10 Turn on all electric power to the appliance 11 Set the thermostat to the d
41. nt connector to be installed within the common vent Connector Vent Height Dia 6ft 8ft 10ft 15ft 20ft 30 ft 3 6 8 10 10 11 12 HD30 4 4 4 4 5 5 6 5 NA NA NA NA NA NA 3 NA NA NA 4 5 9 19 5 HD45 4 6 8 10 10 14 15 5 NA NA NA NA NA NA 3 NA NA NA NA NA 4 5 HD60 4 6 8 10 15 20 23 5 6 8 10 14 15 17 4 NA NA 10 15 20 30 nip 5 6 8 10 15 20 24 Based on NFPA Tables 13 6 13 1 amp section 13 2 3 system Refer to figures 11 1 and 11 2 8 All units must be vented in strict accordance of the common venting tables 10 1 10 2 10 3 and 10 4 9 All masonry chimneys must comply with all applicable local and national codes 10 When combining multiple vent connectors into a manifold prior to the vertical portion of the common vent the size of the common vent manifold and the common vent shall be determined by applying a 10 reduction 90 x maximum vent capacity from table 10 2 or 10 4 to the common vent capacity part of the common vent tables refer to figure 11 3 The length of the common vent manifold Lm may not exceed 18 inches per inch of manifold diameter 11 Refer to the national fuel gas code for instructions on multi level common venting and exterior masonry chimneys as well as additional installation of the listed applications Table 10 2 Maximum total appliance input Capacities MBh Type B Vent connector and Type B Common Vent
42. ocation of thermostat should be determined by heating requirements and be mounted on an inside wall about 5 above floor level where it will not be affected by heat from the unit or other sources or drafts from frequently opened doors See instructions packed with thermostat Prior to Operation Although this unit has been assembled and fire tested at the factory the following pre operational procedures should be performed to assure proper on site operation 1 Turn off power 2 Check fan clearance Fan should not contact casing when spun by hand 3 Check all electrical connections to be sure they are secure 4 f you are not familiar with the units controls i e combination gas control refer to the control manufacturer s literature supplied with the unit 5 Check that all horizontal deflector blades are open a minimum of 30 as measured from vertical FOR YOUR SAFETY READ BEFORE OPERATING WARNING If you do not follow these instructions exactly a fire or explosion may result causing property damage personal injury or loss of life A This appliance does not have a pilot It is equipped with an ignition device which automatically lights the burner Do not try to light the burner by hand B BEFORE OPERATING smell all around the appliance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor WHAT TO DO IF YOU SMELL GAS Do not try to light any applia
43. ote to installer Pressure Limit Rollout Rollout All wiring must comply with national Switch Control Switch Switch electric code and all local codes ooo 0 0 o lei Caution All components must agree with Failure to wire this unit according their respective power source to this wiring diagram may result Low Volt in injury to the installer or user Therm Use 105 C wire for replacements For deviations contact the factory D indicates Terminal Board Connection By Others indicates Gas Valve Connection Verify the power source and the unit polarity 5H79409B1 REVB Single Stage Hot Surface Ignition 100 Shut Off Multiple Retry with Auto Reset from Lockout Single Phase 18 6 576 5 SERVICE MAINTENANCE TROUBLESHOOTING Serial Number Designations Remove access cover to locate Model Number Designations Remove access cover to locate 01 01 101 01 97 1000 HD 45 AH 0134 HD Low Profile Power Exhausted CONTROL CODE TYPE 34 115V 25V single stage hot surface ignition 100 shut off with lockout natural gas 74 115V 25V single stage hot surface ignition 100 shut off with lockout propane gas MOTOR SUPPLIER CODE 01 Century 05 Universal SEQUENCE NUMBER MBH INPUT 30 30 000 B
44. pen flame Use a soap solution 12 1 allows for a 0 3 W C pressure drop in the supply or equilavent for testing pressure from the building main to the unit The inlet pressure to the unit must be 6 7 W C for natural gas and 11 14 W C for propane gas When sizing the inlet gas pipe diameter make sure that the unit supply pressure can be met after the 0 3 W C has been subtracted If the 0 3 W C pressure drop is too high refer to the Gas Engineer s Handbook for other gas pipe capacities 3 Install a ground joint union with brass seat and a manual shut off valve adjacent to the unit for emergency shut off CAUT ON and easy servicing of controls including a 1 8 NPT plugged tapping accessible for test gauge connection Purging of air from gas lines should be performed as See Figure 12 1 described in ANSI Z223 1 latest edition National Fuel 4 Provide a sediment trap before each unit in the line where Gas Code or in Canada CSA B149 codes low spots cannot be avoided See Figure 12 1 When leak testing the gas supply piping system the 5 When Pressure Leak testing pressures above 14 W C appliance and its combination gas control must be isolated 1 2 psi close the field installed shut off valve disconnect during any pressure testing in excess of 14 W C 1 2 psi the 2 and b Sn au from the The unit should be isolated from the gas supply pipin gas supply line and plug the supply line before testing system by closing
45. pum MODINE 6 576 5 5H74925 Rev E October 2005 INSTALLATION AND SERVICE MANUAL A WARNING 1 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 2 Do not locate ANY gas fired units in areas where chlorinated halogenated or acid vapors are present in the atmosphere These substances can cause premature heat exchanger failure due to corrosion which can cause property damage serious injury or death FOR YOUR SAFETY WHAT TO DO IF YOU SMELL GAS Open windows Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you can not reach your gas supplier call your fire department gas fired unit heaters model HD All models approved for use in California by the in New York city by the MEA division and in Massachusetts Unit heater is certified for residential and commercial applications FOR YOUR SAFETY The use and storage of gasoline or other flammable vapors and liquids in open con
46. re 11 1 Common venting into double wall B vent Figure 11 2 Common venting into masonry chimney LISTED TERMINAL FLASHING ll USE LISTED THIMBLE VENT HEIGHT TYPE B DOUBLE WALL TEE WITH DRIP COMMON VENT LEG AND USE THIMBLE ELEANOUT CAP MASONRY CHIMNEY RECOMENDED THROUGH CELLING COMMON VENT 0 12 MIN 0 TYPE B DOUBLE WALL TYPE B DOUBLE WALL VENT CONNECTOR VENT CONNECTOR 3 MAX DOWNWARD SLOPE VENT DOWNWARD SLOPE VENT 1 4 TOWARDS DRIP LEG 1 4 TOWARDS CHIMNEY CATEGORY APPLIANCE m CATEGORY APPLIANCE Figure 11 3 Common venting into manifold USE THIMBLE THROUGH CELLING DOWNWARD SLOPE VENT 1 4 TOWARDS DRIP LEG HOT DAWG UNIT HEATER TEE WITH DRIP LEG AND CLEANOUT CAP RECOMENDED CATEGORY 1 APPLIANCE CATEGORY 1 APPLIANCE 6 576 5 11 INSTALLATION Gas Connections and size of unit to be installed Using this CFH value and the length of pipe necessary determine the pipe diameter WARN N G from Table 12 1 Where several units are served by the same main the total capacity CFH and length of main must All field gas piping must be pressure leak tested prior to be considered Avoid pipe sizes smaller than 1 2 Table operation Never use an o
47. rise towards termination from horizontal vent 3 8 Condensate drain hole Listed thimble Vent transition Maximum vent length B 6 576 5 UNIT LOCATION Additional Requirements for Common Venting 1 2 3 The common vent system and all attached appliances must be category 1 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 Table 10 1 Maximum Vent Connector Horizontal Run ft Type B Vent connector and Type B Common Vent 4 Restrictions within the common vent such as elbows should be minimized Each elbow installed within the common portion of the venting system reduces maximum common vent capacity by 10 refer to tables 10 2 and 10 4 for capacity 5 The vent connector capacities included in these tables allow for the use of two 90 degree elbows or turns For each additional elbow the vent connector capacity shall be reduced by 10 Refer to NFPA54 IFEC tables for capacity ratings 6 The common vent cross sectional area must be equal to or greater than the largest vent connector cross sectional area 7 If all appliances are located on one level of the building the vent height shall be measured from the highest draft hood or ve
48. rop allowed in the line Refer to Table 13 1 to TRAP determine the cubic feet per hour CFH for the type of gas D Manual shut off valve is in the OFF position when handle is perpendicular to pipe Table 12 1 Gas Pipe Capacities Gas Pipe Capacities Up to 14 W C Gas Pressure through Schedule 40 Pipe Cubic Feet per Hour with Pressure Drop of 0 3 W C Natural Gas Specific Gravity 0 60 Propane Gas Specific Gravity 1 50 Pipe Diameter of Pipe 1 2 3 4 1 1 1 4 1 1 2 2 Natural Natural Propane Natural Propane Natural Propane Natural Propane Natural 10 132 83 278 175 520 328 1050 662 1600 1008 3050 1922 20 92 58 190 120 350 221 730 460 1100 693 2100 1323 30 73 46 152 96 285 180 590 372 890 561 1650 1040 40 63 40 130 82 245 154 500 315 760 479 1450 914 50 56 35 115 82 215 135 440 277 670 422 1270 800 60 50 32 105 66 195 123 400 252 610 384 1150 725 70 46 29 96 60 180 113 370 233 560 353 1050 662 80 43 27 90 57 170 107 350 221 530 334 930 586 100 38 24 79 50 150 95 305 192 460 290 870 548 125 34 21 72 45 130 82 275 173 410 258 780 491 150 31 20 64 40 120 76 250 158 380 239 710 447 12 6 576 5 INSTALLATION Table 13 1 Manifold Pressure amp Gas Consumption Natural Propane Model BTU Cu Ft 1050 2500 No of Size Specific Gravity 0 60 1 53 Orifices Manifold Pressure In W C 3 5 10 0 CFH 28 6 12 0 Gal Hr Propane Se
49. sation drainage See Figure 9 4 section and minimum vertical rise from horizontal vent pipe Figure 8 1 for each configuration is listed in Table 8 1 Horizontal Category I Venting TEE With Upward Pitch A When using a standard vent TEE the preferred orientation of the TEE is for the open ends of the Exterior wall TEE to be oriented horizontally In this orientation the minimum clearance to combustibles is 6 above the 1 4 Slope up TEE to the eave If the TEE is oriented vertically the Vent tee towards termination minimum clearance to combustibles is 27 above the T TEE to the eave Refer to Figure 9 1 The vent TEE should incorporate bird screen made from corrosion T resistant material The individual strands E of mesh in the bird screen must be located at least 1 4 apart Listed thimble B When using a vent the minimum clearance to Glean out Drip led combustibles is 6 above the cap to the eave Refer to Maximum vent length B Figure 9 1 Table 8 1 Allowable Vent Configurations for Category Horizontal Venting Model Vent Maximum No Minimum Vertical Maximum Vent Size Terminal Elbows Rise From Horizontal Vent Diameter in Horizontal in Length ft A B 30 Vent TEE 1 0 10 5 Vent Cap 2 D 40 10 5 1 0 5 4 Vent Cap 20 12 5 4 Vent Cap 20 18 10 4 45 Vent TEE 1 0 10 5 Vent Cap 20 12 10 5 Vent Cap 20 18 5 4 60 Vent TEE 1 0 10 5 Vent Cap 20 15 10 5 75 Vent TEE 1 0 5 5 Vent Cap
50. t be corrected Table 5 1 ANSI Unit Heater Venting Requirements Venting 9 Category Description Requirements Negative vent pressure Follow standard Non condensing venting requirements Negative vent pressure Condensate must Condensing be drained Positive vent pressure Vent must be gas tight Non condensing Positive vent pressure Vent must be liquid and Condensing gastight Condensate must be drained 6 576 5 All vertically vented heaters are category venting All horizontally vented heaters are category or 1 depending on venting The pipe should be galvanized steel or other suitable corrosion resistant material except for category 111 horizontal refer to Additional Requirements for Horizontal Category III Venting section Follow the National Fuel Gas Code for minimum thickness of vent material The minimum thickness for connectors varies depending on the pipe diameter Do not vent unit with PVC or other forms of plastic venting material Vertically vented horizontal run does not exceed 75 of vertical rise and vent terminates no less than 5 above the vent connector units may be vented with single or double wall vent pipe Horizontally vented units must use single wall vent pipe category III residential may vary although one continuous section of double wall vent pipe may be used with the vent system Using Table 5 1 determine the venting requirements for the category determined above A category I
51. tainers in the vicinity of this appliance is hazardous IMPORTANT The use of this manual is specifically intended for a qualified installation and service agency All installation and service of these units must be performed by a qualified installation and service agency Inspection on Arrival 1 Inspect unit upon arrival In case of damage report it immediately to transportation company and your local Modine sales representative 2 Check rating plate on unit to verify that 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 Table of Contents Inspection on 1 Special 5 2 SI Metric Conversion 3 Unit Location MT 3 Combustible Material and Service Clearances 4 Unit Mounting od eie sag entina e eee 4 Unit Installation e baec es 5 duse terr ERR ard 5 Gas Connections 12 Electrical 5 13 Unit Components 14 DIMENSIONS ec C m 16 Service Trouble 17 WINN ace ake 18 Waranty 2 prb RED ERIS 19 THIS MANUAL IS THE
52. tal For all Seller s products except Direct Fired Heaters and High Intensity Gas Fired Infrared Heaters BUYER S REMEDY FOR BREACH OF WARRANTY EXCLUSIVE OF ALL OTHER REMEDIES PROVIDED BY LAW IS LIMITED TO REPAIR OR REPLACEMENT AT THE FACTORY OF SELLER ANY PART OR PARTS WHICH SHALL WITHIN TWO YEARS FROM DATE OF FIRST BENEFICIAL USE BY BUYER OR ANY OTHER USER WITHIN TWO YEARS FROM DATE OF RESALE BY BUYER IN ANY UNCHANGED CONDITION OR WITHIN THIRTY MONTHS FROM DATE OF SHIPMENT FROM SELLER WHICHEVER OCCURS FIRST BE RETURNED TO SELLER WITH TRANSPORTATION CHARGES PREPAID AND WHICH THE EXAMINATION OF SELLER SHALL DISCLOSE TO HAVE BEEN DEFECTIVE EXCEPT THAT WHEN THE PRODUCT IS TO BE USED BY BUYER AS A COMPONENT PART OF EQUIPMENT MANUFACTURED BY BUYER BUYER S REMEDY FOR BREACH AS LIMITED HEREIN SHALL BE LIMITED TO ONE YEAR FROM DATE OF SHIPMENT FROM SELLER For Seller s Direct Fired Heaters and High Intensity Gas Fired Infrared Heaters BUYER S REMEDY FOR BREACH OF WARRANTY EXCLUSIVE OF ALL OTHER REMEDIES PROVIDED BY LAW IS LIMITED TO REPAIR OR REPLACEMENT AT THE SELLER S OPTION ANY PART OR PARTS WHICH SHALL WITHIN A PERIOD OF ONE YEAR FROM DATE OF FIRST BENEFICIAL USE BY BUYER OR ANY OTHER USER WITHIN ONE YEAR FROM DATE OF RESALE BY BUYER IN ANY UNCHANGED CONDITION OR WITHIN 18 MONTHS FROM DATE OF SHIPMENT FROM SELLER WHICHEVER OCCURS FIRST BE RETURNED TO SELLER WITH TRANSPORTATION CHARGES PREPAID AND WHICH THE EXAMINATION OF THE SELLER SHALL
53. trollers which have been wet Replace defective controller CAUTION Be careful when handling the igniter 1 Inspect the flame sensor and igniter for deterioration A i M PO RTANT 2 burners are touching each other To check most of the Possible Remedies in the troubleshooting at the carryover points This will ensure flame guide listed in Tables 17 1 and 18 1 refer to the applicable carryover from burner to burner sections of the manual c Clean exterior of heat exchanger tubes Servicing or repairing of this equipment must be performed by a qualified service agency General Maintenance d PUn blade 3 Check wiring for possible loose connections The unit and venting system must be checked once a year by a 4 Controls The gas valves and piping should be checked qualified service technician annually for general cleanlimess and tightness The gas Only people trained and familiar with the operation of unit controls should be checked to insure that the unitis _ heaters and their controls should service this equipment operating properly See control instruction sheets furnished Before any service BE SURE TO TURN OFF GAS AT THE separately with the unit heater MANUAL SHUT OFF VALVE AHEAD OF THE COMBINATION 5 Power exhaust assembly motors The power exhaust GAS CONTROL AND TURN OFF ALL ELECTRIC POWER TO motor bearings have been lubricated for long life and do not THE HEATER require additional lubrication In dirty atmosp
54. ts must be equipped with a vent transition 3 to 4 or 5 depending on vent size selected attached to the power exhaust adapter located on the unit All other portions of the vent system shall consist of 4 or 5 inch diameter single wall vent pipe and fittings depending on vent size selected All seams and joints of the venting system 6 576 5 7 INSTALLATION must be sealed with metallic tape or silastic suitable for temperatures up to 400 F Wrap tape two full turns around the vent pipe joint One continuous section of double wall vent pipe may be used with the vent system When vented horizontally maintain a 1 4 per foot rise away from the heater Place a drain tee and clean out near the vent connector See Figures 8 1 and 9 3 Where local authorities have jurisdiction a 1 4 per foot downward slope 2 The maximum length of the horizontal run of the vent shall is acceptable The Condensate is allowed to drip out of be limited to the length listed in Table 8 1 The vent terminal the end when using a TEE terminal See Figure 9 2 When for a horizontal category vent may be either a standard using a vent cap with an extension a 3 8 diameter hole is vent TEE a Gary Steel 1092 or a Breidert Type L style cap drilled in the low point of the vent by the installer exterior to The maximum number of elbows slope of the horizontal the space to allow conden
55. ts are designed for installation with the minimum clearances as shown in table 4 1 Table 4 1 Clearances Unit Side Recommended Service Clearance Clearance To Combustilble Materials op and Bottom Access Side Non Access Side Rear Vent Connector 2 Be sure no obstructions block air intake and discharge of unit heaters 3 The minimum distance from combustible material is based on the combustible material surface not exceeding 160 F Clearance from the top of the unit may be requited to be greater than the minimum specified if heat damage other than fire may occur to materials above the unit heater at the temperature described 4 Allow 18 clearance at rear or 6 beyond end of motor at rear of unit whichever is greater and access side to provide ample air for combustion and proper operation 6 Do not install units in locations where gas ignition system is of fan exposed to water spray rain or dripping water EP 7 Mounting Height measured from bottom of unit at which 1 sure the means of suspension is adequate to support unit heaters are installed is critical Refer to mounting height the weight of the unit see page 16 for unit weights information and heat throw data on page 16 of this manual 2 For proper operation the unit must be installed in a level The maximum mounting height for any unit is that height horizontal position above which the unit will not deliver heated a
56. tu hr input 45 45 000 Btu hr input 60 60 000 Btu hr input 75 75 000 Btu hr input etc YEAR OF FAN SUPPLIER MANUFACTURE 1997 CODE 98 1998 01 Revcor etc 08 Brookside etc HEAT EXCHANGER TYPE WEEK OF A Aluminized MANUFACTURE 01 1st week of year 26 26th week of year SERIES IDENTITY NUMBER Identifies which series of controls were furnished on the unit POWER CODE 01 115 volt 60 hertz H Hot surface ignition single phase Replacement Parts When requesting parts please contact your local representative Please have full model and serial number available If you require assistance in locating your representative please call the number located on the back page Figure 15 1 Common Replacement Parts Modal Power Contro Transformer Pressure Control Igniter Combination Size Exch Kit Exhauster k Switch Board 9 Control Control Switch Switch Code 34 Code 74 30 3H36919 5H75038 5H75001 5H75002 2 5H75029 5H75030 3 5H78126 1 5H75032 5H76382 5H76383 45 3H36920 5H75038 5H75001 5H75002 2 5H75029 5H75030 3 5H78126 1 5H75032 5H76382 5H76383 60 3H36921 5H75038 5H75769 5H75002 2 5H75029 5H75030 3 5H78126 1 5H75032 5H76382 5H76383 75 3H36922 5H75038 5H75769 5H75002 2 5H75029 5H75030 4 5H78126 1 5H75032 5H76382 5H76383 The above list is subject to change Please refer to unit mounted parts list for most up to date list MODINE
57. ure 6 3 Vertical Venting Through Sloped Roof Listed Terminal Roof Pitch is x12 Downward Slope 1 4 towards drip leg Drip Leg 12 Min 6 576 5 INSTALLATION General Instructions For Double Wall Type B Terminal Pipe Installation 1 How to attach a single wall vent terminal to double wall type B vent pipe A Look for the flow arrow on the vent pipe Attach the vent terminal to the exhaust end of the double wall vent pipe B Slide the vent terminal inside the pipe C Drill a hole through the pipe and the vent terminal Using 3 4 long sheet metal screws attach the cap to the pipe 2 Howto connect a single wall vent system to a double wall type B vent pipe Figure 7 1 Horizontal Category 11 Venting with Upward Pitch Specified Terminal 6 Above snow grade Listed Thimble Clean out drip leg 1 4 Slope up towards termination Figure 7 2 Horizontal Category 111 Venting with Downward Pitch with drip leg Specified Terminal lt Figure 7 3 Horizontal Category III Venting with Downward Pitch Condensate Drips Out End Specified Terminal Listed Thimble 1 4 Slope down towards termination lt 3 Min A Slide the single wall pipe inside the inner wall of the double wall pipe B Drilla hole through both walls of the double wall pipe

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