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1. Mods Connector Vent Height ii Connector Vent Height Dia 6 ft 8ft 10 ft 15 ft 20 ft 30 ft Dia in 8 ft 10 ft 15 ft 20 ft 30 ft 3 6 8 10 10 11 12 3 45 45 4 5 45 45 30 4 4 4 4 5 5 6 30 4 NA NA NA NA NA 5 NA NA NA NA NA NA 5 NA NA NA NA NA 3 NA NA NA 4 5 9 13 5 3 45 45 4 5 45 45 45 4 6 8 10 10 14 15 45 4 6 6 6 6 6 5 NA NA NA NA NA NA 5 NA NA NA NA NA 3 NA NA NA NA NA 4 5 3 NA NA NA NA NA 60 4 6 8 10 15 20 23 60 4 6 6 6 6 6 5 6 8 10 14 15 17 5 75 7 5 7 5 75 7 5 75 4 NA NA 10 15 20 30 75 4 6 6 6 6 6 5 6 8 10 15 20 24 5 75 7 5 7 5 75 7 5 Based on NFPA 54 ANSI Z223 1 2002 For reference only Table 13 2 Maximum total appliance input Capacities MBh Type B Vent connector and Type B Common Vent Diameter of Common Vent Vent z Height 4 in 5 in 6 in 7 in ft Fan Fan Fan Fan Fan Fan Fans Fan Fan Nat Fan Nat Fan Nat 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 54 ANSI Z223 1 2002 For reference only Based on NFPA 54 ANSI Z223 1 2002 For reference only Table 13 4 Maximum total ap
2. TYPE B DOUBLE WALL VENT CONNECTOR S MAX UPWARD SLOPE VENT 1 4 PER FOOT TOWARDS CHIMNEY CATEGORY I APPLIANCE J GAS CONNECTIONS A WARNING All field gas piping must be pressure leak tested prior to operation Never use an open flame Use a soap solution or equilavent 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 or 5 below the minimum rated input of dual rated units A CAUTION Purging of air from gas lines should be performed as described in ANSI Z223 1 latest edition National Fuel Gas Code or in Canada CSA B149 codes When leak testing the gas supply piping system the appliance and its combination gas control must be isolated during any pressure testing in excess of 14 W C 1 2 psi The unit should be isolated from the gas supply piping system by closing its field installed manual shut off valve This manual shut off valve should be located within 6 of the heater Turn off all gas before installing appliance 14 VHHP6 583 1 INSTALLATION GAS CONNECTIONS IMPORTANT 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
3. ajajaj Or O i 3 Or 8 Io oa If the conditions noted above for horizontal Category venting exist instructions in Section D Horizontal Category Vent System Installation can be followed Otherwise proceed to Section C Horizontal Category Ill Vent System Installation INSTALLATION VENTING Section B Vertical Vent System Installation Figure 8 1 Vertical Vent Termination for Double B1 This section applies to vertically vented Category Wall Vent Pipe and Greater Thanorbess Than 9 vent systems and is in addition to Section A General Horizontally From a Vertical Wall or Obstruction Instructions All Units B2 Vertical vent systems terminate vertically B3 The horizontal portion of the vent run cannot exceed 75 of the vertical rise Example If the vent height is 10 feet the horizontal portion of the vent system cannot exceed 7 5 feet deci ate id B4 It is recommended to install a tee with drip leg and clean out LESS THAN B EFET THEN VENT MUST cap as shown in Figure 8 1 ITHIN 8 FEET HORIZON B5 The vent terminates a minimum of 5 above the vent connector on the unit B6 All vertically vented heaters that are Category must be connected to a chimney or vent complying with a recognized standard or a lined masonry or concrete chimney with a material acceptable to the authority having jurisdiction Venting into an unlined masonry chimney is not pe
4. H MIN SEE TABLE 8 1 than any portion of a building within a horizontal distance ROOF PITCH Is TE 5 gt of 10 See Figure 8 1 1 gt erone Table 8 1 Minimum Height from Roof to Lowest Use USTED TUNGE CERDO Discharge Opening Min Height H ft Flat to 6 12 i 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 DSE STS 1E El qf TEE WITH DRIP LEG E AND CLEANOUT CAP du DOWNWARD SLOPE 4 1 4 PER FOOT RECOMMENDED TOWARD DRIP LEG S D Size according to expected snow depth 8 VHHP6 583 1 Nee ON VENTING For single wall vent pipe and 10 or greater horizontal e For single wall vent pipe and less than 10 horizontal distance to any portion of a building the vent must distance to any portion of a building the vent must terminate at least 3 2 for non residential installations terminate 2 higher than any portion of that building See above the highest point where it passes through a roof Figure 9 2 of a building and at least 2 higher than any portion of a building within a horizontal distance of 10 See Figure 9 1 Figure 9 1 Vertical Vent Termination for Single Wall Figure 9 2 Vertical Vent Termination for Single Vent Pipe and Greater Than 10 Horizontally From Wall Vent Pipe and 10 or Less Ho
5. Ad o Hamilton Home Products Inc VHHP6 583 1 Part 5H76253 Rev F November 2007 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 WGH CERTIFIED D All models approved for use in California by the CEC 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
6. 1 Move the field installed manual shut off valve to the OFF position 2 Remove the 1 8 pipe plug from the outlet pressure tap on the gas valve and attach a water manometer of U tube type which is at least 12 high 3 Move the field installed manual gas shut off valve to the ON position 4 Create a high fire call for heat from the thermostat 5 Refer to Table 15 1 to determine the correct high fire manifold pressure for the gas type of the unit Adjust the main gas pressure regulator spring to achieve the proper manifold pressure for location see the combination gas control literature supplied with unit 6 After adjustment move the field installed manual shut off valve to the OFF position and replace the 1 8 pipe plug 7 After the plug is in place move the field installed manual shut off valve to the ON position and recheck pipe plugs for gas leaks with soap solution VHHP6 583 1 17 CONTROL OPERATING SEQUENCE UNIT COMPONENTS CONTROL OPERATING SEQUENCE Upon a call for heat from the thermostat power is supplied to not already started it will start shortly If a flame is not sensed the power exhauster motor The unit will go through a purge for any reason the main valve will close and there will be a period and then the direct spark igniter will be energized At the short purge period before ignition is tried again If the flame is same time the main valve in the combination control valve will not s
7. Fan blade The unit and venting system must be checked once a year by a 3 Check wiring for possible loose connections qualified service technician 4 Controls The gas valves and piping should be checked All installation and service of these units must be annually for general cleanliness and tightness The gas performed by a qualified installation and service agency controls should be checked to insure that the unitis _ Before any service BE SURE TO TURN OFF GAS AT THE d nois See M instruction sheets furnished MANUAL SHUT OFF VALVE AHEAD OF THE COMBINATION eparatey wita fhe Un neater Th GAS CONTROL AND TURN OFF ALL ELECTRIC POWER TO v MOT add decades Toto roue POWEr exXnaus THE HEATER motor bearings have been lubricated for long life and do not require additional lubrication In dirty atmosphere it may be desirable to clean the motors and blower housing and blow out the cooling air passages of the motor with compressed air Table 21 1 6 Perform periodic cleaning of inlet and vent terminal screens Troubleshooting TROUBLE POSSIBLE CAUSE POSSIBLE REMEDY Unit does nothing 1 Power supply is off 1 Turn on main power 2 No 24V power to thermostat 2a 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 4 LED flashes 4 Check LED flash code 5 Defective control 5 Replace control LED
8. WGH 75 5H75038 5H75769B2 5H75002 3 5H75029 5H75030 4 5H79636 5H79749 5H79751B 5H79869B HAMILTON HOME PRODUCTS INC LIMITED WARRANTY Residential Use Only WHAT THIS WARRANTY COVERS This warranty covers all defects in material and workmanship in your Hamilton 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 un
9. 49 Size 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 Length Pipe Diameter of Pipe 1 2 3 4 1 1 1 4 1 1 2 2 Natural Propane 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 VHHP6 583 1 15 INSTALLATION ELECTRICAL CONNECTIONS ELECTRICAL CONNECTIONS 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
10. FROM BREACH OF WARRANTY NONCONFORMITY TO ORDERED SPECIFICATIONS DELAY IN DELIVERY OR ANY LOSS SUSTAINED BY THE BUYER Hamilton Home Products Inc 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 ik gt Hamilton Home Products Inc Hamilton Home Products Inc Columbus Ohio 43212 Phone 1 800 879 0123 www hamiltonhomeproducts com 11 11 07 Litho in USA VHHP75 515 1 5H80107 Hamilton Home Products Inc Nep SELECTION AND INSTALLATION INSTRUCTIONS conversion from natural gas to propane gas for model WGH For direct spark ignition control code 11 Fi 1 1 A WARN N G Model Number Designations 1 All field gas piping must be pressure leak tested prior WGH 45 A S 01 1 1 to operation Never use an open flame Use a soap solution or equivalent for testing WGH Tubular Control Code i Power Vented 11 Single Stage 2 Gas supply shall be shut off and the electrical power Propeller Unit Natural Gas disconnected before proceeding with the conversion Failure to do so could result in fire explosion or MBH Input Ponor Code electrical shock 30 30 000 Btu hr input eN z 115 volt 60 hertz 45 45 000 Btu hr input 60 60 000 Btu hr input 75 75 000 Btu hr input Ignition Type IMPORTANT Dis Spar Heat Exchanger Type 1 The use of
11. equivalent vent pipe length to a minimum of 3 and a maximum of 30 making the vent system as straight as possible The equivalent length of a 3 elbow is 1 C4 All horizontal Category Ill vents must be terminated with a Gary Steel 1092 vent cap The cap must terminate a minimum distance from the external wall as summarized in Table 10 1 Table 10 1 Minimum Length Between External Wall and Vent Model Min Length Size Application AO 30 75 Residential amp Commercial Refer to Figure 10 2 and 10 3 C5 The vent must be supported as shown in Figure 10 1 Figure 10 1 Exhaust Vent Construction Through Combustible Walls and Support Bracket FIBER GLASS INSULATION SUPPORT BRACKET where required Make from 1 x 1 steel angle 9 J VENT TERMINATION 45 C6 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 C7 The venting system must be exclusive to a single unit and no other unit is allowed to be vented into it For common venting the unit must be vented as a Category appliance Please refer to Section D Horizontal Category Vent System Installation C8 When vented horizontally maintain a 1 4 per foot rise away from the heater and place a drip leg with c
12. of the propane gas kit those other A SUPPLIER than the main burner orifices are still required to complete the etc 01 Robertshaw conversion to propane gas regardless of the elevation at which 05 Honeywell etc the unit is installed Identifying the Model Control Code and Date of Manufacture Figure 1 1 and 1 2 explains model number and serial number designations Markings pertinent to verifying correct application of the conversion kit are identified and explained in detail The following prerequisites must be satisfied before the unit is deemed convertible 1 The first three characters in the model number must be WGH 2 The control code for the unit must be 11 3 Finally the serial number calls out the date the unit was built Any unit manufactured after the 20th week of 2007 is acceptable for conversion THIS MANUAL IS THE PROPERTY OF THE OWNER PLEASE BE SURE TO LEAVE IT WITH THE OWNER WHEN YOU LEAVE THE JOB Selection of the Proper Kit Example Convert a WGH 75AS0111 for use with propane gas The appropriate model size is WGH 75 with a Control Code of 11 Referring to Table 2 1 in the column for the 75 model size it can be seen that the kit suffix is 1 The full kit number is 3H37267 1 From Table 2 1 the Item Code is 54186 Table 2 1 Natural to Propane Conversion Kit for Model WGH Control Code 11 Model Size Kit Suffix Drill Size Orifices in Kit Regulator Kit Pressure Switch No Item Cod
13. 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 Table 13 1 Maximum Vent Connector Horizontal Run ft Type B Vent connector and Type B Common Vent 7 If all appliances are located on one level of the building the vent height shall be measured from the highest draft hood or vent connector to be installed within the common vent system Refer to Figures 14 1 and 14 2 8 All units must be vented in strict accordance of the common venting Tables 13 1 through 13 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 1096 reduction 90 x maximum vent capacity from Table 13 2 or 13 4 to the common vent capacity part of the common vent tables refer to Figure 14 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 13 3 Maximum Connector Horizontal Run ft Type B Vent connector with common vent into Masonry Chimney
14. should two sections of double wall vent pipe be joined together within one horizontal vent system due to the inability to verify complete seal of inner A CAUTION 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 Model WGH unit heaters must be vented with the proper passageway as described in these instructions to convey flue gases from the unit or the vent connector to the outside atmosphere The venting instructions are organized in sections based on installation type The sections are identified as follows Instructions Section Applicable Installation Instructions by Vent System Type General instructions for ALL installations VERTICAL vent systems HORIZONTAL Category Ill vent systems HORIZONTAL Category I vent systems The differences between Vertical Horizontal Category III and Horizontal Category will be identified in Section A General Instructions All Units Section A General Instructions All Units A1 lf the unit heater being installed is replacing existing equipment and using the existing vent system from that equipment inspect the venting system for proper size and horizontal pitch as required in the National Fuel Gas Code ANSI Z223 1 or CSA B149 1 Installation Code la
15. this manual is specifically intended for a A Aluminized qualified installation and service agency All installation and service of these kits must be performed by a qualified installation and service agency 2 These instructions must also be used in conjunction with single phase Figure 1 2 Serial Number Designations the Installation and Service manual originally shipped 01 01 00 17 09 01 05 1000 with the appliance being converted in addition to any MOTOR other accompanying component supplier literature hinc CODE SEQUENCE Century 05 Universal NUMBER eu YEAR OF The propane gas kits appearing in this bulletin are for use with FAN MANUFACTURE units which are going to be installed between 0 and 2 000 ft VENDOR CODE 05 2005 elevation If a unit is to be installed at higher elevations a 01 Revcor 06 2006 special high altitude propane orifice kit must be ordered OS Brookside etc in addition to the propane conversion kits shown here See iis Hamilton Bulletin VHHP75 537 for selection of high altitude UNIT SERIES m Identifies the design WEEK OF orifice kits series of the unit MANUFACTURE When converting units to propane at elevations over 2 000 ft CONTROL OL Tet week ch year the main burner orifices in the propane conversion kit must SUPPLIER eG 20lY week ol yeat be replaced with the orifices from the high altitude orifice kit 05 Honeywell GAS VAINE The remaining components
16. to instruction A10 in Section A General Instructions All Units for attaching double wall pipe to single wall pipe D5 The maximum length of the horizontal run of the vent shall be limited to the length listed in Table 11 1 The vent terminal for a horizontal category vent may be either a standard vent TEE or a Gary Steel 1092 The maximum number of elbows slope of the horizontal section and minimum vertical rise from horizontal vent pipe for each configuration is listed in Table 11 1 When using a standard vent TEE the preferred orientation is for the open ends of the TEE to be oriented horizontally In this orientation the minimum clearance to combustibles is 6 above the TEE to the eave If the TEE is oriented vertically the minimum clearance to combustibles is 27 above the TEE to the eave Refer to Figure 12 1 The vent TEE should incorporate a bird Screen made from corrosion resistant material The individual strands of mesh in the bird screen must be located at least 1 4 apart When using a vent cap the minimum clearance to combustibles is 6 above the cap to the eave Refer to Figure 12 1 D6 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 11 1 and 12 3 Where local authorities have jurisdiction a 1 4 per foot downward slope is acceptable The Condensate is allowed to drip out of the end when using a TEE term
17. trap before each unit in the line where low spots cannot be avoided See Figure 15 1 When Pressure Leak testing pressures above 14 W C 1 2 psi close the field installed shut off valve disconnect the appliance and its combination gas control from the gas supply line and plug the supply line before testing When testing pressures 14 W C 1 2 psi or below close the manual shut off valve on the appliance before testing Table 15 2 Gas Pipe Capacities Figure 15 1 Recommended Sediment Trap Manual Shut off Valve Installation Side or Bottom Gas Connection GAS SUPPLY LINE P i MANUAL GROUND J SHUT OFF JOINT i 1 VALVE UNION GAS SUPPLY LINE sh Caa RUN q Ao fa CONTROLS PLUGGED 3 1 8 NPT TEST MIN GAGE CONNECTION SEDIMENT TRAP D Manual shut off valve is in the OFF position when handle is perpendicular to pipe Table 15 1 Manifold Pressure amp Gas Consumption Natural 1050 0 60 3 5 28 6 Propane 2500 1 53 10 0 12 0 33 300 Model Size BTU Cu Ft Specific Gravity No of Orifices Manifold Pressure In W C CFH Gal Hr Propane Sec cu ft Orifice Dri CFH Gal Hr Propane Sec cu ft Orifice Dri CFH Gal Hr Propane Sec cu ft Orifice Dri CFH Gal Hr Propane Sec cu ft Orifice Drill Size 30 126 49 42 9 Size 84 Size
18. 1 Turn off power to the unit at the disconnect switch Check that fuses or circuit breakers are in place and sized correctly Turn all hand gas valves to the OFF position Remove the side control access panel Check that the supply voltage matches the unit supply voltage listed on the Model Identification plate Verify that all wiring is secure and properly protected Trace circuits to insure that the unit has been wired according to the wiring diagram Check to insure that the venting system is installed correctly and free from obstructions Before you start use the following steps to verify that the venting system is adequately sized a Sealany unused openings in the venting system b Inspect the venting system for proper size and horizontal pitch as required in the National Fuel Gas Code ANSI Z223 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 c 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 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 d Follow the lighting instructions Place the
19. 379 Gal Hr gallons 3 79 3 79 m Vhr l Btu hr CFH ft3 hr 0 000293 0 000472 kW m3 min CFH ft3 hr 0 00000787 m3 s Horsepower 746 inches pound 25 4 0 454 Ww mm kg CFM ft3 min CFM ft3 min 0 0283 0 000472 m3 min m s psig 6 89 kPa psig 27 7 W C BEFORE YOU BEGIN A CAUTION 1 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 Do not attach ductwork air filters or polytubes to any propeller unit heater In the U S the installation of these units must comply with the National Fuel Gas Code ANSI Z223 1 latest edition also known as NFPA 54 and other applicable local building codes In Canada the installation of these units must comply with local plumbing or waste water codes and other applicable codes and with the current code CSA B149 1 1 Allinstallation and service of these units must be performed by a qualified installation and service agency 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 replacements parts please order according to the replacement parts list on serial plate Alway
20. ARTS 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 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
21. BRACKET A POWER VENTER VENT PIPE CONNECTION ELECTRICAL CONNECTION GAS CONNECTION ACCESS PANEL D OPENING REAR VIEW Dimensions inches Models WGH30 WGH45 WGH60 WGH75 A B C D E F G H Gas Connection l J Fan Diameter Approx Shipping Weight Ibs Clearances Clearance To Combustible Materials Top and Bottom Access Side Non Access Side Rear Vent Connector Recommended Service Clearance Control D ti Control Service Thermostat Type of Model ontrol Description Code No Voltage Voltage Gas Size Single Stage Direct Spark Ignition 100 Shut Off with Continuous Retry Utilizes a single stage combination gas control with ignition control Gas is lit with a direct spark igniter on call for heat natural propane VHHP6 583 1 19 20 THIS PAGE INTENTIONALLY LEFT BLANK VHHP6 583 1 SERVICE MAINTENANCE TROUBLESHOOTING A WARNING Service air moving components annually 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 fa
22. I Horizontal Category IIll Vent System Determination e Horizontal vent systems terminate horizontally sideways e Avent system that terminates vertically but has a horizontal run that exceeds 75 of the vertical rise is considered horizontal Most horizontal vent configurations are Category Ill For residential installations this requires the use of an agency approved UL 1728 Category III stainless steel vent system Additional requirements including those for commercial and industrial installations are covered in Section C Horizontal Category IIl Vent System Installation If the application is residential and specific vent dimensions and termination limitations are followed the use of a less expensive Category vent system may be used These limitations are summarized in Table 7 3 Table 7 3 Horizontal Category I Vent System Limitations Vent Terminal Maximum Vent Vertical Rise Horizontal Diameter From Vent in Horizontal in Length ft 10 5 10 5 10 10 10 5 10 10 5 5 D One of the two allowed elbows is required to create the vent extension shown in figures 12 3 and 12 4 Q 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 Maximum Minimum No of Elbows
23. ION 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 Metal 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 P
24. LAME L 6R 6 115V 60HZ 1 POWER SENSOR enof x4 CIRCUIT BREAKER BY OTHERS F SPARK Uf IGNITOR IGNITION CONTROL LOW VOLTAGE THERMOSTA BY OTHERS LIMIT LIMIT CONTROL FLAME ROLLOUTS CONTROL SEE NOTE 5 5H079963B1 REV F SINGLE STAGE DIRECT SPARK IGNITION 100 SHUT OFF MULTIPLE RETRY W AUTO RESET FROM LOCKOUT CAUTION NOTES TO INSTALLER FAILURE TO WIRE THIS UNIT ACCORDING TO THIS WIRING DIAGRAM MAY RESULT 1 ALL WIRING MUST COMPLY WITH NATIONAL 4 USE TYPE 105 C REPLACEMENT WIRE ELECTRIC CODE AND ALL LOCAL CODES 300V OR GREATER IN INJURY TO THE INSTALLER OR USER FOR DEVIATIONS CONTACT THE FACTORY 2 ALL COMPONENTS MUST AGREE WITH 5 USED ON PROPELLER MODELS 100 THEIR RESPECTIVE POWER SOURCE AND LARGER 3 VERIFY THE POWER SOURCE AND 6 TWO SWITCHES 30 75 THE UNIT POLARITY WIRING LEGEND FACTORY WIRING LINE 24V INTERNAL COMPONENT WIRING TII FIELD WIRING ydp WIRE NUT e TERMINAL BOARD CONNECTION o 22 VHHP6 583 1 SERIAL amp MODEL NUMBER REPLACEMENT PARTS Serial Number Designations Remove access cover to locate 01 01 00 17 09 01 05 1000 Motor Vendor SEQUENCE NUMBER Year of Manufacture Model Number Designations Remove access cover to locate WGH 45 A S 01 WGH Tubular Power Vented Propeller Unit 1 1 Control Code 11 Single Stage Natural Gas 21 Single Stage 05 2005 06 2006 Control Supplier Gas Valve Supplier 05 Honeywell 01
25. R 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 WITHIN 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 TRAN
26. Robertshaw 17 United Technologies 05 Honeywell etc etc Replacement Parts Code 01 Century 05 Universal etc Fan Vendor Code 01 Revcor 08 Brookside ele eie Week of Manufacture Unit Series 01 1st week of year Identifies the design series of 26 26th week of year the unit Propane Gas MBH Input 30 30 000 Btu hr input 45 45 000 Btu hr input 60 60 000 Btu hr input 75 75 000 Btu hr input Power Code 01 115 volt 60 hertz single phase Ignition Type Heat Exchanger Type TR S Direct Spark A Aluminized 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 22 1 Common Replacement Parts The list is subject to change Please refer to unit mounted parts list for most up to date list M Flame iti Combination Gas Model Power Limit Control Roll out Trans Pressure Igniter Petts Valve 1 Stage Size Exhauster Switch Switch former Switch wite 1 Stage coqe 41 Code 21 WGH 30 5H75038 5H75769B1 5H75002 3 5H75029 5H75030 3 5H79636 5H79749 5H79751B 5H79869B WGH 45 5H75038 5H75769B1 5H75002 3 5H75029 5H75030 3 5H79636 5H79749 5H79751B 5H79869B WGH 60 5H75038 5H75769B2 5H75002 3 5H75029 5H75030 3 5H79636 5H79749 5H79751B 5H79869B
27. SPORTATION 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 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 Heat Exchanger Condensers for all Seller s
28. 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 or 5 below the minimum rated input of dual rated units 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 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 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 u
29. appliance being inspected in operation Adjust thermostat so that the appliance will operate continuously e After it has been determined that each appliance connected to the venting system properly vents when tested as outlined above return doors windows exhaust fans fireplace dampers and any other gas burning appliance to their previous conditions of use f If improper venting is observed during any of the above tests the venting system must be corrected Check to see that there are no obstructions to the intake and discharge of the unit Check fan clearance Fan should not contact casing when spun by hand Perform a visual inspection of the unit to make sure no damage has occurred during installation Check that all horizontal deflector blades are open a minimum of 30 as measured from vertical Turn on power to the unit at the disconnect switch Check the thermostat ignition control gas valve and supply fan blower motor for electrical operation If these do not function recheck the wiring diagram 11 Check the motor speed rpm 12 Check the motor voltage 13 Check the motor amp draw to make sure it does not exceed the motor nameplate rating 14 Recheck the gas supply pressure at the field installed manual shut off valve The minimum inlet pressure should be 6 W C on natural gas and 11 W C on propane gas The maximum inlet pressure for either gas is 14 W C If inlet pressure exceeds 14 W C a gas p
30. ccess panel turn it 180 and re attach it to the unit 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 VHHP6 583 1 UNIT MOUNTING A CAUTION 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 than the minimum specified if heat damage other than fire may occur to materials above the unit heater at the temperature described 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 of fan Be sure the means of suspension is adequate to support the weight of the unit see page 19 for unit weights For proper operation the unit must be installed in a level horizontal position Clearances to combustibles as previously specified must be strictly maintained Before lifting the heater for susp
31. ctory 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 T CA T i ON assembly from the heater Carefully clean the burners U with a wire brush or other suitable means Servicing or repairing of this equipment must be performed Replace any damaged or deteriorating burners or orifices by a qualified service agency 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 controllers which have been wet Replace defective controller CAUTION Be careful when handling the igniter and flame sensor A M PO RTAN T 1 Inspect the flame sensor and igniter for deterioration and or cracks To check most of the Possible Remedies in the troubleshooting 2 Verify that the burners are touching each other guide listed in Table 21 1 refer to the applicable sections of at the carryover points This will ensure flame the manual carryover from burner to burner General Maintenance c Clean exterior of heat exchanger tubes d
32. e n N N N co x ce x Installation of Kit 1 Read these instructions carefully Failure to follow instructions can damage product or cause a hazardous condition 2 This conversion kit must be installed by a qualified service person The qualified service apency performing this work assumes responsibility for the proper conversion of this appliance with this kit 3 This kit contains the following Five 5 propane gas orifices e A conversion rating plate A combination gas control gas valve conversion kit containing acap screw an adjustment screw spring label 4 Prior to servicing shut off the gas supply to the unit Disconnect the electrical power to the unit 5 Remove the access panel to the heater 6 Disconnect the gas supply piping to the heater 7 Remove the electrical connections from the gas valve This should not require the use of tools 8 Remove the four 4 screws holding the manifold to the burner box This will allow for the removal of the manifold and gas valve assembly 10 11 12 13 14 15 16 Remove the orifices from the manifold assembly and place them where they can be used if the heater should need to be converted back to natural gas Insert the propane orifices from the kit into the manifold assembly If you are converting a model size below 75 there will be extra orifices which should be discarded Tigh
33. e 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 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 Location Recommendations 1 When locating the heater consider general space and heating requirements availability of gas and electrical supply and proximity to vent locations 2 When locating units it is important to consider that the exhaust vent piping must be connected to the outside atmosphere 3 Be sure the structural support at the unit location site is adequate to support the unit s weight For proper operation the unit must be installed in a level horizontal position 4 Do not install units in
34. e noncombustible Figure 6 1 Venting Through Combustible Roof or Wall Double Wall Vent Pipe Listed Listed THe 44 Terminal a Terminal Single Wall Vent Pipe Flashing Flashing E x Listed Clearance Specified Thimble by Type B Vent Mfg Single Wall Double b Wall Single Wall Vent Pipe Terminating Specified Terminal with Double wall vent pipe C T A Clearance Specified Pid by Type B Vent Mfg Single Wall Specified Single Wall Vent Pipe a Terminal Listed P dd Thimble D See Instruction A10 for attaching single wall pipe to double wall pipe 6 VHHP6 583 1 INSTALLATION VENTING A10 The following are General Instructions for Double Wall Type B Terminal Pipe Installation How to attach a single wall vent terminal to double wall type B vent pipe 1 Look for the flow arrow on the vent pipe 2 Slide the vent terminal inside the exhaust end of the double wall vent pipe 3 Drill 3 holes through the pipe and the vent terminal Using 3 4 long sheet metal screws attach the cap to the pipe Do not over tighten How to connect a single wall vent system to a double wall type B vent pipe 1 Slide the single wall pipe inside the inner wall of the double wall pipe 2 Drill 3 holes through both walls of the single and double wall vent pipes Using 3 4 sheet metal Screws attach the two
35. ed Installation Gas Connections VHHP6 583 1 INSTALLATION VENTING Section C Horizontal Category Ill Vent System Installation C1 This section applies to horizontally vented Category III vent systems and is in addition to Section A General Instructions All Units C2 All heaters that are horizontally vented with 3 for sizes 30 75 vent pipe perform as a Category III appliance Category III venting has special venting requirements as follows e All residential horizontally vented Category III heaters must be vented with an agency certified UL1728 Category Ill venting system Agency certified Category Ill venting systems are available from your local vent pipe distributor Follow the agency certified Category III vent manufacturers instructions for installations e For commercial and industrial horizontally vented heaters you may use either agency certified Category Ill venting systems as noted above or single wall galvanized or stainless steel vent pipe If 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 For single wall vent systems one continuous section of double wall vent pipe may be used within the vent system Refer to instruction A10 in Section A General Instructions All Units for attaching double wall pipe to single wall pipe C3 Limit the total
36. ensed after four tries there will be at least a one hour wait open to allow gas to flow to the burners If the fan motor has before ignition is tried again Figure 18 1 Major Gas Electrical Service Safety and Other Components 1 Power Exhauster 4 Combination Gas Control 8 Auto Reset Limit Control hidden 2 Pressure Switch 5 Control Transformer 9 Direct Spark Igniter hidden 3 Integrated Direct Spark Control 6 Flame Sensor hidden Board 7 Flame Rollout Switch Figure 18 2 Unit Heater Rear View Mounting Brackets Electrical Access Fingerproof Fanguard Fan Motor Vent Pipe Connection Access Panel with Gas Pipe Hole Lighting Operating Gas Pipe Field Supplied Instructions 18 VHHP6 583 1 DIMENSIONS GENERAL PERFORMANCE DATA MODEL WGH MOUNTING HOLES TYP I 3 8x l LONG E OPENING ACCESS VIEW Performance Modes wanso wanas waneo wars Btu Hr Input 30 000 45 000 60 000 75 00 24 000 36 000 48 000 60 000 Entering Airflow CFM Outlet Velocity Air Temp Rise F Mounting Height Max ft Heat Throw ft Horsepower Motor RPM Data Type Amps Unit Total Amps Vent Connector Size in Mounting 1 angle mounting brackets are slotted to accommodate joists on 16 or 24 centerlines Control Options ADJUSTABLE LOUVERS 1 00 MOUNTING
37. ension the mounting brackets must be installed as follows For standard left side control access remove the 3 screws and mounting bracket along the top edge of both the front and back of the unit Install the front bracket as shown in Figure 5 1 by aligning the screw holes on the bracket with the screw holes on the top edge of the unit Repeat for the bracket on the back of the unit For right side control access remove the 3 screws and mounting bracket along the top edge of both the front and back of the unit Turn the unit over and install the front bracket as shown in Figure 5 2 by aligning the screw holes on the bracket with the screw holes on the top edge of the unit originally the bottom edge Repeat for the bracket on the back of the unit Figure 5 1 Unit Heater in Standard Mounting Configuration Figure 5 2 Unit Heater Turned 180 Access panel and heated air outlet change sides 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 unit mounting brackets are slotted to accommodate joists on 16 or 24 centerlines 5b Suspension by threaded rod The unit can also be hung with threaded rod utilizing the same mounting brackets Attach the threaded rod to the unit mounting brackets securing with a top and bottom nut Next drill holes i
38. gasoline or other flammable vapors and liquids in open containers 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 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 For technical assistance and Warranty Administratrion contact Hamilton Home Products at 1 800 879 0123 Do not return equipment to the home center Table of Contents Inspection on Arrival llle eee 1 Special Precautions lillee iles 2 SI Metric Conversion Factors 2 0000e 0 eee 3 Before you Begin 200 cee eee leeren 3 Unit Locations iei ell ee Sy prae atu Re peeks E ave 4 Combustible Material and Service Clearances 4 Unit Mounting lslsleeee eee 5 Unit Installation leen 5 WONG auus rk aone nE Da EEUQRu a 6 Gas Connections ele eee 14 Wiring Blower Speed Adjustment 16 Operation aarne renas ni nagi a a a aS 17 Unit Components slssssseeeeee eee 18 DIMENSIONS s 2246 cece mas g dd ed em x ace ponas d 19 Serv
39. ice Trouble Shooting leise 21 Unit Wiring Diagram l l 22 Serial Model Number Replacement Parts 23 Residential Warranty llis 23 Commercial Warranty aaaea 00000 ele 24 THIS MANUAL IS THE PROPERTY OF THE OWNER PLEASE BE SURE TO LEAVE IT WITH THE OWNER WHEN YOU LEAVE THE JOB SPECIAL PRECAUTIONS 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 HAZARD INTENSITY LEVELS 1 DANGER Indicates an imminently hazardous situation which if not avoided WILL result in death or serious injury Do not attach ductwork air filters or polytubes to any propeller unit heater Clearances to combustible materials are critical Be sure to follow all listed requirements 2 WARNING Indicates a potentially hazardous situation Do not locate units in
40. ide 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 temperature 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 VHHP6 583 1 SPECIAL PRECAUTIONS SI METRIC CONVERSION FACTORS A CAUTION When leak testing the gas supply piping system the appliance and its combination gas control must be isolated during any pressure testing in excess of 14 W C 1 2 psi The unit should be isolated from the gas supply piping system by closing
41. imitation 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 VHHP6 583 1 23 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 chemical 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 EITHE
42. inal See Figure 12 2 When using a vent cap with an extension a 3 8 diameter hole is drilled in the low point of the vent by the installer exterior to the space to allow condensation drainage See Figure 12 4 Figure 11 1 Horizontal Category I Venting TEE With Upward Pitch pz Exterior wall 1 4 Slope per foot up towards termination Listed thimble i Clean out Drip leg Maximum vent length as shown in Table 11 1 Vent transition D7 If the unit will not be common vented with other appliances then proceed to the section titled Installation Gas Connections Otherwise proceed to page 13 VHHP6 583 1 11 INSTALLATION VENTING Figure 12 1 Horizontal Category I Venting Clearance to Eave Figure 12 2 Horizontal Category I Venting Listed thimble Vent Tee Horizontal vent tee configuration Listed thimble Vent Tee Vertical vent tee configuration Specified Terminal Minimum vertical rise from horizontal vent Listed thimble 3 8 Condensate drain hole Vent extension configuration TEE With Downward Pitch Exterior wall Vent tee Listed thimble Maximum vent length as shown in Table 11 1 Vent transition 1 4 Slope per foot down towards termination Figure 12 3 Horizontal Category I Venting Vent Extension With Upward Pitch Specified Terminal Exterior wall Minimum vertical rise from ho
43. it heater remains in force for ten years from the date you purchased the unit heater 2 The warranty on all other parts of the heater remains in force for two years from the date you purchased the unit heater WHAT HAMILTON WILL DO TO CORRECT ANY WARRANTY DEFECTS AND HOW YOU CAN GET WARRANTY SERVICE In the event of warranty failure Hamilton will provide replacement parts at no charge excluding shipping and handling charges To obtain warranty repairs or replacement of defective parts you must within the period of warranty coverage contact Hamilton Home Products Inc at 1 800 879 0123 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 Hamilton Home Products Inc at 1 800 879 0123 WHAT HAMILTON WILL NOT DO Hamilton 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 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 l
44. its field installed manual shut off valve This manual shut off valve should be located within 6 of the heater Turn off all gas before installing appliance Ensure that the supply voltage to the appliance as indicated on the serial plate is not 5 less than the rated 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 Table 21 1 refer to the applicable sections of the manual SI METRIC CONVERSION FACTORS W C 0 249 kPa feet 0 305 F Btu F 32 x 5 9 1 06 C kJ Btu ft3 37 3 kJ m3 Gal Hr 0 00
45. lean out near the unit as shown in Figure 10 2 Where local authorities have jurisdiction a 1 4 per foot downward slope is acceptable with a drip leg and clean out near the exit of the vent as shown in Figure 10 3 or allow the condensate to drip out the end Figure 10 2 Horizontal Category Ill Venting with Upward Pitch Specified Terminal Drip leg Clean out cap Listed a 1 4 Slope per foot up towards termination 3 Min mu 30 Max T Figure 10 3 Horizontal Category III Venting with Downward Pitch with drip leg Specified Terminal Drip leg Clean out cap Listed va Thimble 1 4 Slope per foot down towards termination C9 Fora vent termination located under an eave the distance of the overhang must not exceed 24 The clearance to combustibles above the exterior vent must be maintained at a minimum of 12 Consult the National Fuel Gas Code for additional requirements for eaves that have ventilation openings C10 Once venting is complete proceed section titled Installation Gas Connections 10 VHHP6 583 1 INSTALLATION VENTING Section D Horizontal Category Vent System Installation Residential Only D1 This section applies to horizontally vented Category I vent systems and is in addition to Section A General Instructions All Units D2 Units can be vented with a Horizontal Category vent system for residential installati
46. light off or flashing 1 Multiple causes Control board LED flash codes vary with control type A decal is installed in the unit giving a brief description of the applicable codes for your heater For more detail see the control board data sheet included with this manual 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 control board 2 Check control board data sheet and function 3 Defective fan motor 3 Check fan motor VHHP6 583 1 21 UNIT WIRING Wiring Diagram Selection Since internal or factory wiring may vary depending on the controls manufacturer the wiring diagrams must be appropriately selected with the proper gas valve and ignition type The following wiring diagram represents a unit equipped with a single stage gas valve and direct spark ignition Figure 22 1 Unit Heater Wiring Diagram Single Stage Direct Spark Ignition F
47. locations where the flue products can be drawn into the adjacent building openings such as windows fresh air intakes etc 5 Be sure that the minimum clearances to combustible materials and recommended service clearances are maintained Units 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 Combustible Materials Top and Bottom 1 1 Access Side 18 18 Non Access Side 1 1 Rear 18 18 Vent Connector 4 4 6 Do not install units in locations where gas ignition system is exposed to water spray rain or dripping water 7 Mounting Height measured from bottom of unit at which unit heaters are installed is critical Refer to mounting height and heat throw data on page 19 of this manual The maximum mounting height for any unit is that height above which the unit will not deliver heated air to the floor Combustion Air Requirements 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 ins
48. n to following these General Instructions specific instructions for Vertical Horizontal Category Ill or Horizontal Category vent systems must also be followed Table 7 2 outlines the differences Table 7 2 ANSI Unit Heater Venting Requirements Category Description Venting Requirements Negative vent pressure Follow standard Non condensing venting requirements Negative vent pressure Condensing Condensate must be drained Positive vent pressure Non condensing Vent must be gas tight Positive vent pressure Condensing Vent must be liquid and gastight Condensate must be drained Note Vent connectors serving Category appliances shall not be connected into any portion of mechanical draft systems operating under positive pressure VHHP6 583 1 Vertical Category I Vent System Determination e Vertical vent systems terminate vertically up e The horizontal portion of the vent run cannot exceed 75 of the vertical rise Example If the vent height is 10 feet the horizontal portion of the vent system cannot exceed 7 5 feet e The vent terminates a minimum of 5 above the vent connector on the unit e If the vent system to be installed meets ALL these criteria an example is shown in Figure 9 1 proceed to Section B Vertical Vent System Installation For all other cases proceed to the next section to determine if the installation is Horizontal Category or Horizontal Category II
49. nit 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 parking garages the unit must be installed in accordance with the standard for parking structures ANSI NFPA 884A 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 prov
50. nto a steel channel or angle iron at the same centerline dimensions as those chosen for the heater 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 5c Shelf mounted units The unit heater can also be installed on a shelf The mounting brackets will need to be attached to the heater the same manner as explained in note 4 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 similar screws 1 4 screw with 1 2 washer as overhead joist or truss mounting Be sure all clearance to combustible requirements are met VHHP6 583 1 5 INSTALLATION VENTING 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 serious injury or death Under no circumstances
51. ons only If the installation is non residential please refer to Section C Horizontal Category III Vent System Installation for proper venting instructions D3 All heaters installed with Category horizontal vents must be equipped with a vent transition to 4 or 5 vent diameter for sizes 30 75 All portions of the vent system shall consist of 4 or 5 diameter single wall vent pipe and fittings The requirements for selection of vent diameter are shown in Table 11 1 Table 11 1 Horizontal Category I Vent System Limitations Vent Maximum Minimum Maximum Vent Terminal No of Vertical Rise Horizontal Diameter Elbows From Vent in Horizontal in Length ft 10 5 5 4 5 4 4 5 5 4 5 5 60 TEE 1 0 10 Cap 20 1509 10 75 TEE 1 0 5 5 Cap 20 5 5 One of the two allowed elbows is required to create the vent extension shown in figures 12 3 and 12 4 Q 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 D4 All seams and joints of the single wall pipe 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 One continuous section of double wall vent pipe may be used within the vent system Refer
52. pieces of pipe Do not over tighten 3 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 To seal run a large bead of 400 F silastic around the gap A11 Vent termination clearances must be maintained Table 7 1 Vent Termination Clearances Vent Terminal Location Combustion air inlet of another appliance Door window gravity air inlet or any building opening Electric meter gas meter gas regulator and relief equipment Gas regulator 6 feet all directions 4 feet horizontal and below 1 foot above 4 feet horizontal U S 6 feet horizontal Canada 3 feet horizontal U S 6 feet horizontal Canada 6 feet all directions Adjoining building or parapet wall Adjacent public walkways 7 feet all directions Grade ground level 3 feet above Do not terminate the vent directly above a gas meter or regulator Q The vent must be at least 6 higher than anticipated snow depth A12 Do NOT use dampers or other devices in the vent or combustion air pipes A13 Precautions must be taken to prevent degradation of building materials by flue products A14 Single wall vent pipe must not pass through any unoccupied attic inside wall concealed space or floor A15 Uninsulated single wall vent pipe must not be used outdoors for venting appliances in regions where the 99 winter design temperature is below 32 F A16 In additio
53. pliance input Capacities MBh Type B Vent connector with common vent into Masonry Chimney Area of Common Vent gs 12 in 19 in 28 in 38 in ft Fan Fan Fan Fan Fans Fans Fans Fans Fan Nat Fan Nat Fan Nat Fan Nat 6 NA 74 NA 119 NA 178 NA 257 8 NA 80 NA 130 NA 193 NA 279 10 NA 84 NA 138 NA 207 NA 299 15 NA NA NA 152 NA 233 NA 334 20 NA NA NA NA NA 250 NA 368 30 NA NA NA NA NA 270 NA 404 Based on NFPA 54 ANSI Z223 1 2002 For reference only VHHP6 583 1 13 INSTALLATION VENTING GAS CONNECTIONS Figure 14 1 Common Venting into Double Wall B Vent LISTED TERMINAL FLASHING m USE LISTED THIMBLE VENT HEIGHT TYPE B DOUBLE WALL TEE WITH DRIP COMMON VENT LEG AND CLEANOUT CAP USE THIMBLE RECOMENDED THROUGH CELLING TYPE B DOUBLE WALL 3 MAX VENT CONNECTOR UPWARD SLOPE VENT 1 4 PER FOOT TOWARDS DRIP LEG CATEGORY I APPLIANCE Figure 14 3 Common Venting into Manifold USE THIMBLE THROUGH CELLING HIDDEN VENT UNIT HEATER TEE WITH DRIP LEG AND CLEANOUT CAP RECOMENDED CATEGORY I APPLIANCE CATEGORY I APPLIANCE C Figure 14 2 Common Venting into Masonry Chimney FLASHING CHIMNEY HEIGHT MASONRY CHIMNEY COMMON VENT
54. 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 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 30 MONTHS FROM DATE OF SHIPMENT FROM SELLER WHICHEVER OCCURS FIRST BE RETURNED TO SELLER WITH TRANSPORTAT
55. ptable as long as no carbon black soot is being formed Turn the heater off and replace the inlet and outlet pressure tap plugs Place the heater back into service and leak test the inlet and outlet pressure tap plugs as well as the connection between the gas valve and the manifold pipe and supply piping to the valve D f o Hamilton Home Products Inc VHHP75 515 1 Hamilton Home Products Inc Columbus Ohio 43212 Phone 1 800 879 0123 www hamiltonhomeproducts com 11 07 07 Litho in USA LED DIAGNOSTIC CODES Please Note Determine the manufacturer of the control on your unit and use the appropriate code chart UNITED TECHNOLOGIES HONEYWELL Green Light Green Light Steady ON Short Flash Fast Flash Heartbeat 1 Flash 2 Flashes 2 Flashes 3 Flashes 3 Flashes Limit switch is open 4 Flashes Limit open 4 Flashes Ignition lockout 5 Flashes 6 Flashes 6 1 Flash 7 Flashes pO Amber Light Amber Light Steady ON Flame is sensed Seady ON Fast Flash Flame present with gas valve OFF Flame signal below flame lost level See contro literature for more detailed codes 5H0799970001
56. rances 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 could result such as material distortion or discoloration A8 Avoid venting through unheated space when possible When venting does pass through 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 400 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 Figure 8 1 A9 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 b
57. ressure regulator must be added upstream of the combination gas valve 15 Open the field installed manual gas shut off valve 16 Place the manual main gas valve on the combination gas valve in the On position Call for heat with the thermostat 17 Check to make sure that the main gas valve opens Check the manifold gas pressure See Main Gas Adjustment while the supply fan blower is operating 18 Check to insure that gas controls sequence properly See Control Operating Sequence If you are not familiar with the unit s controls i e combination gas control refer to the control manufacturer s literature supplied with the unit 19 Once proper operation of the unit has been verified remove any jumper wires that were required for testing 20 Replace the side control access panel Main Gas Adjustment The gas pressure regulator integral to the combination gas control is adjusted at the factory for average gas conditions It is important that gas be supplied to the unit heater in accordance with the input rating on the serial plate Actual input should be checked and necessary adjustments made after the unit heater is installed Over firing a result of too high an input reduces the life of the appliance and increases maintenance Under no circum stances should the input exceed that shown on the serial plate Measuring the manifold pressure is done at the outlet pressure tap of the gas valve To Adjust the Manifold Pressure
58. rizontal vent as shown in Table 11 1 Listed thimble Clean out Drip leg Maximum vent length as shown in Table 11 1 1 4 Slope per foot up towards termination Vent transition Figure12 4 Horizontal Category I Venting Vent Extension With Downward Pitch Specified Terminal Exterior wall Minimum vertical rise from horizontal vent as shown in Table 11 1 3 8 Condensate drain hole Listed thimble Maximum vent length as shown in Table 11 1 1 4 Slope per foot down towards termination Vent transition 12 VHHP6 583 1 INSTALLATION VENTING Additional Requirements for Common Venting 1 The common vent system and all attached appliances must be Category I 2 The vent connector should be routed in the most direct route from the units to the common vent 3 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 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 13 2 and 13 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
59. rizontally From Adjacent Wall or Building Adjacent Building or Building 10 FEET OR LESS TO WALL OR ADJOINING BUILDING LISTED TERMINAL GREATER THAN 10 FEET NI TO WALL OR ADJOINING 2 FEET MIN BUILDING S LISTED TERMINAL HEIGHT ABOVE ANY PORTION OF WALL OR ADJOINING BUILDING N WITHIN 10 FEET 5 FEET MIN 3 FEET MIN ASAS SSS SERT EMIN USE LISTED THIMBLE THROUGH CEILING Y NAA TEE WITH DRIP LEG J AND CLEANOUT CAP USE LISTED THIMBLE THROUGH CEILING DOWNWARD SLOPE 4 4 PER FOOT TEE WITH DRIP LEG RECOMMENDED TOWARD DRIP LEG a AND CLEANOUT CAP DOWNWARD SLOPE 1 4 PER FOOT GREATER RECOMMENDED TOWARD DRIP LEG THAN 10 FEET 10 FEET OR LISTED TERMINAL LESS LISTED TERMINAL ps 2 FEET MIN 10 FEET HEIGHT ABOVE ANY ROOF SURFACE WITHIN 10 FEET HEIGHT ABOVE ANY ROOF SURFACE WITHIN 10 FEET USE LISTED THIMBLE THROUGH ROOF ROOF FLASHING USE LISTED THIMBLE THROUGH ROOF USE LISTED THIMBLE THROUGH CEILING 2 FEET MINIMUM FOR J FEE MITE DRI CES NON RESIDENTIAL AND CLEANOUT CAP I X USE LISTED THIMBLE INSTALLATIONS BUT SIZE ACCORDING TO pousse AR Dico EXPECTED SNOW DEPTH K TEE WITH DRIP LEG RECOMMENDED TOWARD DRIP LEG 2FEETMINIMUMFOR E 5S AND CLEANOUT CAD NON RESIDENTIAL INSTALLATIONS BUT DOWNWARD SLOPE SIZE ACCORDING TO 3 1 4 PER FOOT EXPECTED SNOW DEPTH TOWARD DRIP LEG B10 Once venting is complete proceed section titl
60. rmitted Refer to the National Fuel Gas Code for common venting and pages 13 14 of this manual B7 Use a listed vent terminal to reduce down drafts and moisture in the vent THAT IS WITI EU pum REFER TO TABLE 2 1 FOR DIMENSIO ROOF FLASHING LISTED TERMINAL H H H I I B8 Double wall vent pipe is recommended although single wall USE LISTED THIMBLE can be used if the requirements of the National Fuel Gas JADRO Code are followed B9 Vertical vents must terminate a minimum horizontal and vertical distance from roof lines and adjacent walls or obstructions These minimum distances are outlined as follows based on National Fuel Gas Code requirements for vents with diameters less than 12 For double wall vent pipe and 8 or greater horizontal AND CLEANOUT CAP TEE WITH DRIP LEG distance to any vertical wall or similar obstruction the vent must terminate above the roof in accordance with Figure LISTED TERMINAL 8 1 and Table 8 1 e For double wall vent pipe and less than 8 horizontal distance to any vertical wall or similar obstruction the vent must terminate at least 2 above the highest point where it passes through a roof of a building and at least 2 higher
61. s know your model and serial numbers The right is reserved to substitute other authorized controls as replacements 3 Unitis balanced for correct performance Do not alter fan or operate motors at reduced speed 4 Information on controls is supplied separately 5 The same burner is used for natural and propane gas VHHP6 583 1 3 UNIT LOCATION UNIT LOCATION A DANGER 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 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 In parking garages the unit must be installed in accordanc
62. taller 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 adhered too Units installed into confined spaces in industrial commercial installations must be provided with two permanent openings one near the top 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 supplying 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 All units are produced at the factory with left side controls when looking at the unit If the installation requires the controls to be on the right side all heaters can be turned over by following the instructions below By turning the unit 180 from the way it was received from 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 a
63. ten the orifices using a wrench so that they are gas tight Convert the combination gas valve by following the manufacturer s instructions in the regulator kit Affix the Propane Rating Plate label that came with the kit on the heater near the serial plate on the same panel as the common replacement parts label Place the manifold assembly back on the burner box using the four 4 screws Replace the electrical connections to the gas valve Verify that the igniter and sensor are in the same location and have not been damaged Connect the gas supply piping to the heater using two wrenches so as to not place strain on the manifold which can cause misalignment of the gas orifices Check 1 See the original rating plate for the unit heater s rated input and verify by checking the correct main burner orifice size and manifold pressure This information is presented on the conversion kit rating plate and in Table 2 1 Remove the inlet and outlet pressure tap plugs and place pressure taps on both the inlet and outlet pressure tap of the gas valve Connect a pressure measuring device capable of reading inches of water column on both the inlet and outlet pressure tap Place the unit in operation Verify the proper ignition sequence The inlet pressure should be 11 14 water column The manifold pressure should be 10 water column There are no adjustments that can be made to the burner flame Some yellow in the flame is acce
64. test edition and these instructions Determine that there is no blockage or restriction leakage corrosion and other deficiencies which could cause an unsafe condition A2 The vent pipe should be galvanized steel or other suitable corrosion resistant material except for Horizontal Category III vent systems which will be covered in Section C Horizontal Category III Vent System Installation 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 A3 All heaters come with a factory installed vent adapter for attaching the vent pipe to the heater 3 for model sizes 30 75 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 A4 A minimum of 12 straight pipe is recommended from the flue outlet before turns in the vent pipe A5 Horizontal sections of vent pipe are to be installed with a minimum downward slope from the appliance of 1 4 inch per foot and suspended securely from overhead structures at points not greater than 3 apart A6 Fasten individual lengths of vent together with at least three corrosion resistant sheet metal screws A7 Keep single wall vent pipe at least 6 from combustible materials For double wall vent pipe follow the vent pipe manufacturer s clea
65. than 5 1 Installation of piping must conform with local building codes or in the absence of local codes with the National Fuel Gas Code ANSI Z223 1 NFPA 54 latest Edition In Canada installation must be in accordance with CSA B149 1 Piping to units should conform with local and national requirements for type and volume of gas handled and pressure drop allowed in the line Refer to Table 15 1 to determine the cubic feet per hour CFH for the type of gas and size of unit to be installed Using this CFH value and the length of pipe necessary determine the pipe diameter from Table 15 2 Where several units are served by the same main the total capacity CFH and length of main must be considered Avoid pipe sizes smaller than 1 2 Table 15 2 allows for a 0 3 W C pressure drop in the supply 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 Engineers Handbook for other gas pipe capacities Install a ground joint union with brass seat and a manual shut off valve adjacent to the unit for emergency shut off and easy servicing of controls including a 1 8 NPT plugged tapping accessible for test gauge connection See Figure 15 1 Provide a sediment
66. 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 Location 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 16 VHHP6 583 1 INSTALLATION OPERATION OPERATION Prior to Operation IMPORTANT Start up and adjustment procedures should be performed by a qualified service agency 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
67. tightly sealed rooms or small which if not avoided COULD result in death or serious injury compartments commonly referred to as confined spaces 3 CAUTION Indicates a potentially hazardous situation which Without provisions for adequate combustion air and venting if not avoided MAY result in minor or moderate injury re anim must mc access to bi confined r rd E r minimum of two permanent openings in 4 IMPORTANT Indicates a situation which if not avoided ouga Uno permanent Open toe s 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 A 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 Under no circumstances should two sections of double wall vent pipe be joined together within one horizontal vent system due to the inability to verify complete seal of inner pipes All field gas piping must be pressure leak tested prior to operation Never use

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