2 - Hamilton Home Products
Contents
1. Figure 6 2 Vertical Venting Through Flat Roof i Listed Terminal Y IL tm i I 7 Donnard Slope 1 4 towards drip leg lt gt Drip Leg 12 Min Figure 6 3 Vertical Venting Through Sloped Roof Listed Terminal Roof Pitch is x 12 Downward Slope 1 4 towards drip leg 12 Min 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 How to connect a single wall vent system to a double wall type B vent pipe A Slide the single wall pipe inside the inner wall of the double wall pipe B Drill a hole through both walls of the double wall pipe 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 Figure 7 1 Horizontal Category Il2. 115V 60Hz 1 Power Circuit Breaker By Others iy eee alll eee GRO al L K Combination Gas Control Hot Surface Igniter Combination Gas Control Power Exhaust amp Motor Y Note to installer All wiring must comply with national electric code and all local codes All components must agree with their respective power source Use 105 C wire for replacements Verify the power source and the unit polarity Honeywell Combination Gas Control R mM RAN O aN Limit Flame Flame Control Rollout Switc Rollout Switch Caution Failure to wire this unit according to this wiring diagram may result in injury to the installer or user For deviations contact the factory 5H75034B2 REV D 9 Ld s L TD Relay W TD Relay Heater Combination Gas Control Flame Rollout Switch Flame Rollout Switch Pressure Limit Switch Control Low Volt Therm By Others Indicates Terminal Board Connection Single Stage Hot Surface Ignition 100 Shut Off Multiple Retry with Auto Reset from Lockout Single Phase 21 UNIT WIRING Figure 22 1 Unit Heater Wiring Diagram Series 103 UNIT HEATER WIRING DIAGRAM Factory L1 L2 ow Circuit Breaker Shown l Field 115V 60Hz 1 Power Wire Nut By Others TD Relay 115V 60Hz 1 Power TDC Circuit Breaker By Others 5 e I mum GRG Combination L2 W Gas Control Surface se Igniter J BK Combinat
3. 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 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 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
4. SI METRIC CONVERSION FACTORS Table 3 1 25 4 mm feet fe 0805 meters GENERAL A 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 CFH 1 699 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 CAN CGA B 149 1 Installation Code for Natural Gas Burning Appliances and Equipment or CAN CGA B149 2 Installation Code for Propane Burning Appliances and Equipment Location Recommendations 1 When locating the furnace 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 1 All installation 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
5. 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 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 596 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 R
6. Damaged or broken Ignitor No line voltage Unit not properly grounded Check flame sense rod Open manual gas valve Purge gas line Set gas pressures per manual instructions Set gas valve switch to ON position Black wire HOT White wire NEUTRAL Green wire Ground Ground unit and verify quality of ground connection Check flame sense probe and connection Check all connections Check fan time delay relay Check fan motor UNIT WIRING Wiring Diagram Selection Since internal or factory wiring may vary depending on controls manufacturer the wiring diagrams must be selected with the series identity number when installing servicing or troubleshooting a unit heater control system Wiring diagrams that follow are for units with the corresponding series identity number that may be found in the 5 through the 7 digits of the Figure 21 1 Unit Heater Wiring Diagram Series 101 amp 102 Wiring Legend Factory Line 24V Field 80 s Wire Nut 9 Flame Sensor Hot W Surface EXE ja Igniter BK BK BK serial number For example a unit with the serial number 30011023601 0981 has the 5 through the 7 digits as 102 as shown underlined above Match the series ID from the unit serial plate with the series ID listed in the heading of the following diagrams to determine which diagram corresponds to your unit UNIT HEATER WIRING DIAGRAM L1 L2 ow Circuit Breaker By Others 115V 60Hz 1 Power Shown l
7. 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 model sizes 30 and 45 are based on 8 foot mounting heights and at 10 foot heights for model sizes 60 and 75 S P shaded pole P S C permanent split capacitor 16 CONTROL OPERATING SEQUENCE 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 valve will open to allow gas to flow to the burners If the 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 17 SERVICE MAINTENANCE TROUBLESHOOTING A WARNING When servicing or repairing of this equipment use only factory approved service replacement parts A complete replacement 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 owner s risk A
8. Revolution Sec Macut teu 2cuf Scuf Figure 12 1 Dials of Typical Gas Meter B Pressure Method The pressure method determines input by measuring the pressure of the gas in the manifold in inches of water Determine correct manifold pressure from Table 13 1 Locate combination gas control Move gas control knob or lever to off Remove the 1 8 pipe plug in outlet pressure tap in combination gas control and attach water manometer or U tube which is at least 12 high 5 Follow lighting instructions and turn thermostat up to get unit to fire 6 If pressure as indicated by U tube is less than 1 2 W C higher or lower than indicated in Table 13 1 adjust regulator as described under Meter Timing Method Step 3 If pressure as indicated by U tube is more than 1 2 W C higher or lower than indicated in Table 13 1 check Deu mc CHECKING INPUT RATE inlet pressure at unit The inlet pressure should be 6 7 W C pressure on natural gas and 12 14 W C on propane gas After adjustment move gas control knob or lever to OFF and replace 1 8 pipe plug With plug in place follow the lighting instructions to put unit back in service Table 13 1 Manifold Pressure amp Gas Consumption Natural Propane Model BTU Cu Ft 1050 No of Size Specific Gravity 0 60 Orifices Manifold Pressure In W C 5 100 2 CFH 28 6 Gal Hr Propane Sec cu ft 126 Orifice Drill Size 49 CFH 42 9 3 Gal
9. 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 appliance 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 supplier s 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 Set thermostat 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 Remove the access panel 6 Move the
10. of a vertical wall or similar obstruction For vents that have a diameter of 12 inches or larger constructed of single wall or terminate within 2 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 2 refer to Figure 6 2 INSTALLATION 15 A unit located within an unoccupied attic or concealed space shall not be vented with single wall vent pipe 16 Single wall vent pipe must not pass through any attic inside wall concealed space or floor Table 6 1 Minimum Height from Roof to Lowest Discharge Opening Rise Roof Pitch Min Height beim oe 0 6 Flatto 6 12 1 00 8 9 8 12t0942 200 14 16 14 12t0 16 12 6 00 20 24 20 12 to 21 12 D Size according to expected snow depth Figure 6 1 Venting Through Combustible Wall or Roof Double Wall Vent Pipe Listed Listed ma Terminal Terminal Single Wall Vent Pipe Flashing Flashing N Listed Clearance Specified Thimble by Type B Vent Mfg Single Wall Double Wall Specified Terminal with Double wall vent pipe See No 4 je page 6 Clearance Specified by Type B Vent Mfg Single Wall Vent Pipe Terminating Single Wall f Specified Terminal Single Wall Vent Pipe Single Wall Vent Pipe See No 4 age 6 Listed peer Thimble See Instructions for attaching single wall pipe to double wall pipe page 6
11. 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 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 Infr
12. CAUTION Servicing or repairing of this equipment must be performed by a qualified service agency Do not attempt to reuse any mechanical or electrical controllers which have been wet Replace defective controller A IMPORTANT To check most of the Possible Remedies in the troubleshooting guide listed in Table 54 1 refer to the applicable sections of the manual General Maintenance The unit and venting system must be checked once a year by a qualified service technician Only people trained and familiar with the operation of unit heaters and their controls should service this equipment Before any service BE SURE TO TURN OFF GAS AT THE MANUAL SHUT OFF VALVE AHEAD OF THE COMBINATION GAS CONTROL AND TURN OFF ALL ELECTRIC POWER TO THE HEATER 1 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 paying particular attention to a Combustion air inlets b Burners and burner orifices Turn off gas ahead of the combination gas control and shut off electric power to the heater Remove the access panel open the union on the gas line and disconnect the igniter and sensor wires 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 with a wire brush or other suitable means Replace any damaged or deteriorat
13. Hr Propane Sec cu ft 84 Orifice Drill Size 49 CFH Gal Hr Propane Sec cu ft Orifice Drill Size CFH Gal Hr Propane Sec cu ft Orifice Drill Size Table 13 2 Orifice Drill Sizes with Decimal Equivalents Main Burner Orifices Dia Dia Decimal Decimal Equivalent mw Equivalent 55 56 57 58 59 13 UNIT COMPONENTS Figure 14 1 Major Gas Electrical Service Safety and Other Components Field Supplied Gas Pipe Common Replacement Parts Mounting Brackets Gas Orifices Heat Exchanger Combination Gas Hot Surface Igniter Control Hidden Electrical Access Holes Lr al za l Fit Control 5 m Hidden Ji e Pressure e hea i cs ee Switch LA Adjustable Deflector Blades Power Exhaust Wiring Diagram Manual Reset Flame Rollout Switch Inshot Burners Control Terminal Board Transformer Flame Sensor Manifold Hidden Serial Plate Time Delay Relay For series 103 the time delay relay is located on the terminal board 14 UNIT COMPONENTS Figure 15 1 Unit Heater Rear View Electrical Access Mounting Brackets Fingerproof Fanguard Fan Motor Access Panel with Gas Pipe Hole Lighting Operating Gas Pipe Field Supplied Instructions Vent Pipe Connection Figure 15 2 Unit Heater in Standard Mounting Configuration from factory this orientation brackets not attached Figure 15 3 Unit Heater Turned 180 Access Panel
14. Warranty A adhe vada eee Foe ae ee dee eee a 35 THIS MANUAL IS THE 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 HAZARD INTENSITY LEVELS 1 2 DANGER Indicates an imminently hazardous situation which if not avoided WILL result in death or serious injury WARNING Indicates a potentially hazardous situation which if not avoided COULD result in death or serious injury CAUTION Indicates a potentially hazardous situation which if not avoided MAY result in minor or moderate injury IMPORTANT Indicates a situation which if not avoided 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 All fie
15. heats up to ignite the gas If the hot surface igniter does not glow red after the purge period check the resistance of the igniter If the resistance is ipie dod M stage hot surface ignition greater than 100 ohms then the igniter must be replaced 45 45 000 Btu hr i bul 100 shut off with To replace the igniter unplug the lead from the igniter to the sey a iind aed D combination gas control remove the two screws holding the igniter if desired you can remove the manifold assembly to get easier access to the screws VERY CAREFULLY install the HEAT EXCHANGER Are POWER CODE new igniter into the panel and plug into the wire harness AAE 01 115 volt 60 hertz single phase H Hot surface ignition LED Diagnostic Capability The LED on top of the combination gas control indicates the Replacement Parts condition of the control system The following codes and what they mean follows 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 LED DIAGNOSTIC CODES the number located on the back page No power to system Bright Dim Normal operation 2 Flashes Pressure switch closed longer than 30 seconds this information also appears on the unit 3 Flashes Pressure switch open longer than 30 seconds 4 Flashes Limit Control or Flame Rollout Switch Open 5 Flashes Flame signal sensed out of sequence FOR SER
16. supply during normal operation 1 Make certain the deflector blades are open and that there are not any obstructions in the air inlet or outlet Check actual input to unit against rated input Check to be sure motor is operating Check that fan is not loose on motor shaft Check fan speed against speed on motor nameplate Yn om o Io Check to make sure the venting system is not damaged or blocked Also check to be sure unit is venting normally and that there is not negative pressure in the building adversely affecting draft 7 Clean heat exchanger tubes inside and out if necessary 8 If items 1 7 do not solve the problem check limit control and replace if necessary To remove control first remove access door then remove screws holding control to header IMPORTANT NOTE The limit control overheat switch on this unit heater will shut off the gas should excessive discharge temperatures occur Do not attempt to control the fan with the limit control Any change in wiring to attempt to control the fan with the limit control will result in hazardous conditions and void the warranty Flame Rollout Switch or Switches The switch switches mounted on a bracket above the burners will shut off the gas supply to the burners in the event of flame rollout They are a single pole single throw manual reset switch Anytime this control operates correct the difficulty immediately or serious damage may result 1 Make sure lou
17. 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 e 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 e 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 UNIT SUSPENSION CAUTION 1 Do not install units below 7 measured from the bottom of the unit to the floor in commercial applications 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 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 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 16 for unit weights 2 For proper operation the unit must be installed in a leve
18. 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 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 CONDI
19. 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 Figure 9 3 Horizontal Category I 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 A IM UU 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 3 page 8 Exterior wall 1 4 Slope down Minimum vertical rise towards termination from horizontal vent 3 8 Condensate Listed thimble drain hole Vent transition Maximum vent length B INSTALLATION determine the cubic feet per hour CFH for the type of gas and size of unit to be installed Using this CFH value and Gas Connections the length of pipe necessary determine the pipe diameter from Table 10 1 Where several units are served by the A WARN I a G same main the total capacity CFH and length of main must be considered Avoid pipe sizes smaller than 1 2 Table All field gas piping must be pressure leak tested prior to 10 1 allows for a 0 3 W C pressure drop in the supply operation Never use an open flame Use a soap solution pressure from the building main to the unit The inlet or equilavent for
20. EMEDIES 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 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
21. TION 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 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 l HHP Hamilton Home Products Inc Hamilton Home Products Inc Columbus Ohio 43212 Phone 1 800 879 0123 www hamiltonhomeproducts com 3 04 M Litho in USA
22. VICE If a qualified service person cannot solve the problem consult your local gas company or local Hamilton Home Products Inc representative When servicing repairing or replacing parts on these units always give the complete Model Number and Serial Number from the unit rating plate The samples below show where these numbers can be found Serial Number Designations Remove access cover to locate 01 01 101 01 97 1000 MOTOR SEQUENCE SUPPLIER CODE NUMBER 01 Century 05 Universal etc YEAR OF MANUFACTURE FAN SUPPLIER 97 1997 CODE 98 1998 01 Revcor etc 08 Brookside etc WEEK OF SERIES IDENTITY NUMBER MANUFACTURE Identifies which series of controls 1 1st k of were furnished on the unit 0 St week of year 26 26th week of year 19 SERVICE MAINTENANCE TROUBLESHOOTING Table 20 1 Troubleshooting TROUBLE POSSIBLE CAUSE POSSIBLE REMEDY Power supply is off No 24V power to thermostat Unit does nothing Thermostat malfunction IF LED flashes bright dim check Defective control LED light off or flashing Light off no power Two flashes pressure switch closed Three flashes pressure switch open Four flashes limit or flame rollout switch Five flashes Flame signal sensed out of sequence Six flashes System lockout Main gas is off Air in gas line Main or manifold gas pressure Check gas valve switch Unit starts but does
23. 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 9 4 Exterior wall Listed thimble Table 8 1 Allowable Vent Configurations for Category I 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 Vent TEE t o f e s Oo ventcap 20 4 0 Ld 3 5 3 1 4 venca 20 re 5 4 1 Aq VentCap 20 183 VentTEE TEE Vent Cap Vent Cap 20 wa Cmm 1 2 9 1 amp venca 20 ws o s wie 9 s s L7 Des 3 9 ee 1 3 One of the two allowed elbows is required to create the vent extension shown in figures 9 3 and 9 4 a ja j O O O O JOa JA JA d 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 INSTALLATION Figure 9 1 Horizontal Category I Venting Clearance to Eave Listed thimble Vent Tee Horizontal vent tee configuration Listed thimble Vent Tee Vertical vent tee configuration Specified Terminal See No 3 page 8 Minimum vertical rise i l l from horizontal vent Listed thimble 3 8
24. and Heated Air Outlet Change Sides 15 DIMENSIONS GENERAL PERFORMANCE DATA Mounting Holes Typ 5 16 x 2 5 Long Adjustable Deflector Blades pg Opening Access Side Dimensions inches ee Performance ModelSize s 4 e 75 5 1 160 5 653 45 12 36 5 49 000 60 s e o 2 uw Jo L3 3 24 Vent Diameter in 3 3 T Motor 1 Data Type 5 3 4 0 27 P 5 8 Control Codes Control System Description Single Stage Hot Surface Ignition 100 Shut Off Multiple Retry with Auto Reset from Lockout Utilizes a single stage combination gas control with built in ignition control Gas is lit with a 74 115V 24V hot surface igniter on call for heat Power Venter Vent Pipe Connection Mounting Brackets Electrical Connections Gas Connection Openin Back View Access Panel Mounting 1 angle mounting brackets are slotted to accommodate joists on 16 or 24 centerlines Clearances to Combustibles Top and Bottom r Vent Connector 4 Access Side 18 Non Access Side 1 Rear 18 Control Service Thermostat Type of Code No Voltage Voltage Gas 34 115V 24V natural propane 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
25. ared 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 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
26. as be supplied to the heater in accordance with the input rating stamped on the serial plate Actual input should be checked and necessary adjustments made after the heater is installed Over firing a result of too high an input reduces the life of the unit and increases maintenance Under no circumstances should the input exceed that shown on the rating plate Input can be determined by the meter timing method provided other gas equipment connected to the meter is off during the test If this is not possible use the pressure method Important Inlet pressure and manifold pressure must be checked with unit in operation when making final adjustments A Meter Timing Method 1 Shut off all other gas burning equipment including other pilot lights served by the gas meter 2 Start the heater and determine the number of seconds it takes to consume 1 cu ft of gas Two basic formulas are useful F1 3600 C T F2 F1 C where F1 input to heater Btuh F2 input to heater cu ft per hr C heating value of gas Btu per cu ft T time to consume 1 cu ft of gas in sec The heating value of gas may be determined from the local utility or gas dealer These are representative values GAS Btu per cu ft Natural 1000 1150 Propane 2500 3 Ifthe seconds for 1 cu ft are more input less than shown in Table 13 1 for model being tested locate the combination gas control and pressure regulator adjustment screw Remove the
27. aters may be vented with either single wall or double wall vent pipe Follow the double wall manufacturers clearances to combustibles 4 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 5 Do not use any vent pipe smaller than 3 Refer to the National Fuel Gas Code for the minimum material thickness 6 A minimum of 12 straight pipe is recommended from the power exhauster outlet before turns in the vent system Suspend horizontal runs at a minimum of 3 intervals 7 Avoid venting through unheated spaces when possible When single wall pipe does pass through an unheated space 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 350 F Install a tee fitting at the low point of the vent system and provide a drip leg with a cleanout cap as shown in Figures 6 2 and 6 3 The drip leg should be cleaned annually 8 Keep single wall vent pipe at least 6 from combustible material The minimum distance from combustible material is based on the combustible material surface not exceeding 160 F Clearances from the vent pipe or top of the unit may be required to be greater than the minimum clearance if heat damage such as material distortio
28. by a licensed gas fitter 3 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 operation the unit must be installed in a level horizontal position 4 Do not install units in 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 below Top and bottom 1 Non Access Side 1 Vent Connector 4 Rear 18 Access Side 18 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 information and heat throw data on page 16 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 spac
29. cal 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 T 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 of the heater remains in force for two years from the date you purchased the unit heater WHAT HAMILTON WILL DO TO CORRECT ANY PART OR EQUIPMENT FAILURES DURING THE WARRANTY PERIOD Should your Garage Heater fail within the warranty period Hamilton will provide replacement part s at no charge excluding shipping and handling charges To file a warranty claim and or obtain warranty replacement parts you must first within the period of warranty coverage contact 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
30. cap screw from the pressure regulator and take one clockwise turn at a time on the adjustment screw until the correct time is obtained If the seconds are less input greater than indicated in the table follow the same procedure in a counter clockwise direction If the correct number of seconds cannot be obtained check orifice size Correct orifices can be obtained from the factory When requesting orifices state type of gas heating value and its specific gravity Also give model number of unit For example if the input to the heater is 100 000 Btuh and the heating value of the gas is 1000 Btu per cu ft then by the second formula the input is 100 cu ft per hr Table 12 1 indicates the time for one revolution of various size meter dials with various input rates If a 1 cu ft meter dial is used we 12 proceed down the cu ft column to 100 cu ft per hr and then horizontally to the left to determine a time of 36 seconds for one revolution of the dial Similarly if the 1 2 cu ft dial is used we determine a time of 18 seconds for one revolution at the required input After proper firing rate has been achieved replace regulator cap screw Table 12 1 Meter timing Gas Time required for one revolution is charted for various size meter dials and various rates of gas input in cu ft per hour To convert to Btuh multiply by the heating value of the gas used Time for 1 Input Cu Ft per Hour when meter dial size is
31. ent of the National Fuel Gas Code ANSI 2223 1 NFPA 54 latest edition In Canada installation must be in accordance with CAN CGA B149 1 for natural gas units and CAN CGA B149 2 for propane units 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 pitch as required in the National Fuel Gas Code ANSI Z223 1 or CAN CGA B149 1 or 2 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 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 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 above return doors windows exhaust fans fireplace dampers and any other gas burning appliance to their pr
32. er failure the input to the appliance as indicated on the serial plate must not exceed the rated input by more then 5 Low profile heaters are designed for use in heating applications with ambient temperatures between 40 F and 90 F Do not install unit outdoors In commercial garages or other sections of aircraft hangars such as offices and shops which communicate with areas used for servicing or storage keep the bottom of the unit at least 7 above the floor In public garages the unit must be installed in accordance with the Standard for Parking Structures NFPA 88A and the Standard for Repair Garages NFPA 88B In Canada installation of unit heater in airplane hangars must be in accordance with the requirements of the enforcing authority and in public garages in accordance with the current CAN CGA 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 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
33. es 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 CAN CGA B149 1 or 2 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 per hour 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 CAN CGA B149 1 or 2 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
34. evious conditions of use 6 If improper venting is observed during any of the above tests the venting system must be corrected Table 5 1 ANSI Unit Heater Venting Requirements re mei Category Description Requirements Negative vent pressure Follow standard Non condensing venting requirements Negative vent pressure Condensate must 5 emen temet 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 Positive vent pressure Vent must be gas tight Non condensing Positive vent pressure Condensing Vent must be liquid and gastight Condensate must be drained Venting Instructions 1 All vertically vented heaters are category venting All horizontally vented heaters are category or III depending on venting For a unit to be classified vertical the horizontal run may not exceed 75 of the vertical rise 2 Using Table 5 1 determine the venting requirements for the category determined above A category lll 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 3 Vertically vented he
35. 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 eo 10 Turn on all electric power to the appliance 11 Set the thermostat to the desired 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 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 GASC SHOWN IN ON POSITION 11 CHECKING INPUT RATE A CAUTION 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 Input Adjustments The gas pressure regulator part of the combination gas control is adjusted at the factory for average gas conditions It is important that g
36. ing burners or orifices Install the burner assembly back on to the header making certain that all screws pipes and electrical connections are tight CAUTION Be careful when handling the igniter 1 Inspect the flame sensor and igniter for deterioration and or cracks 2 Verify that the burners are touching each other at the carryover points This will ensure flame carryover from burner to burner c Clean exterior of heat exchanger tubes d Fan blade 3 Check wiring for possible loose connections 4 Controls See control instruction sheets furnished separately with the unit heater 5 Power exhaust assembly The power exhaust motor bearings have been lubricated for long life and do not require additional lubrication In dirty atmosphere it may be desirable to clean the motor and blower housing and blow out the cooling air passages of the motor with compressed air 18 Service Instructions Safety Devices Limit Control Overheat Switch The limit control mounted in airstream on access side will shut off the gas supply to the burners in the event of overheating It is a single pole single throw switch The contacts open to shut the electric gas valve off in the event the unit should overheat This limit control should operate only when something is seriously wrong with the unit Anytime this control operates correct the difficulty immediately or serious damage may result If the limit control cuts off the gas
37. ion ot Surface Gas Control lgniter Honeywell Combination Gas Control Combination Gas Control Flame Flame Pressure Limit Rollout Rollout Switch Control Switch Switch COM 120V XFMR 00 Low Volt Therm Note to installer By All wiring must comply with national Others electric code and all local codes o Indicates Terminal Board Connection Caution All components must agree with Failure to wire this unit according their respective power source to this wiring diagram may result in injury to the installer or user Use 105 C wire for replacements For deviations contact the factory Verify the power source and the unit polarity 5H78166B REV Single Stage Hot Surface Ignition 100 Shut Off Multiple Retry with Auto Reset from Lockout Single Phase 22 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 chemi
38. isdiction 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 8 When the vent is routed through a combustible wall use either an agency approved thimble or where authorities have jurisdiction use type B vent for the last section of vent pipe to maintain clearance to combustibles while passing through wall See Figure 7 1 Additional Requirements For Horizontal Category Venting Residential Only 1 All heaters installed with category horizontal vents 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 joints of the venting system must be sealed with metallic tape or silastic suitable for temperatures up to 400 F Wrap tape 2 full turns around the vent pipe joint One continuous section of double wall vent pipe may be used with the vent system Under no circumstances should two sections of double wall vent pipe be joined together within one vent system due to the inability to verify complete seal of inner pipes 2 The maximum length of the horizontal run of the vent shall be limited to the length listed in Table 8 1 INSTALLATION 3 The vent terminal for a h
39. ity or salt water atmospheres will cause accelerated corrosion resulting in a reduction of the normal life of the units 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 In aircraft hangars keep the bottom of the unit at least 10 from the highest surface of the wings of 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 SPECIAL PRECAUTIONS SI METRIC CONVERSION FACTORS UNIT LOCATION A CAUTION 18 In commercial garages or other sections of aircraft hangars such as offices and shops which communicate with areas used for servicing or storage keep the bottom of the unit 3 at least 7 above the floor In public garages the unit must be installed in accordance with the Standard for Parking 4 Structures NFPA 88A and the Standard for Repair Garages l NFPA 88B In Canada installation of unit heater in airplane hangars must be in accordance with the requirements of the enforcing authority and in public garages in accordance with the current CAN CGA B149 codes Low profile heaters are designed for use in heating applications with ambient temperatures between 40 F and 90 F All literature shipped with this unit should be kept for future use for servicing or service diagnos
40. l Pi Hamilton Home Products Inc VHHP6 576 5 Part 5H76253 Rev E March 2004 INSTALLATION AND SERVICE MANUAL WARNING 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 A CAUTION To prevent premature heat exchanger failure do not locate ANY gas fired units in areas where chlorinated halogenated or acid vapors are present in the atmosphere 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 All models approved for use in California by the CEC in New York 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 containers in the vicinity of this appliance is hazardo
41. l horizontal position Clearances to combustibles as previously specified must be strictly maintained 4 Mounting bracket installation 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 threaded 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
42. l Venting with Upward Pitch Specified Terminal See No 4 page7 6 Above snow grade Clean out drip leg Listed Thimble Slope up towards termination Figure 7 2 Horizontal Category Ill Venting with Downward Pitch with drip leg Specified Terminal Cap See No 4 page 7 Listed Thimble 1 4 Slope down towards termination s Min 729 Figure 7 3 Horizontal Category Ill Venting with Downward Pitch Condensate Drips Out End Specified Terminal See No 4 page 7 Listed Thimble 1 4 Slope down towards termination e 3 Min Additional Requirements For Horizontal Category Ill Venting 1 All heaters that are horizontally vented with 3 vent pipe perform as category Ill appliance Category III venting has special venting requirements as follows A All residential horizontally vented category III heaters must be vented with an agency certified category III venting system Agency certified category III venting systems are available from your local vent pipe distributor Follow the agency certified category III 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 joints must be sealed with metallic tape or silastic suitable for te
43. ld 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 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 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 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 2223 1 or CAN CGA B149 1 or 2 latest edition Failure to follow these instructions can result in injury or death To reduce the opportunity for condensation the minimum sea level input t
44. mperatures up to 400 F Wrap tape 2 full turns around the vent pipe 2 Limit the total equivalent vent pipe length to a minimum of 3 and a maximum of 30 making the vent system as straight as possible see Figure 7 3 The equivalent length of a 3 elbow is 1 3 The vent system shall terminate at least 3 above any forced air inlet except direct vent units located within 10 and at least 4 below 4 horizontally from or 1 above any door window or gravity air inlet into any 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 4 All horizontal category lll 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 5 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 6 The venting system must be exclusive to a single unit and no other unit is allowed to be vented into it 7 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 jur
45. n or discoloration may occur 9 When a single wall vent passes through a combustible wall or floor a listed thimble must be used When a type B double wall vent passes through a combustible wall or floor follow the vent pipe manufacturers clearances to combustibles Refer to Figure 6 1 10 This heater is equipped with a power exhaust system DO NOT use any additional power exhaust systems or vent dampers FAILURE TO FOLLOW THESE INSTRUCTIONS could result in serious injury or death 11 All vertically vented heaters are category and 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 12 Secure all vent joints with at least 3 corrosion resistant screws Use an approved vent terminal to reduce down drafts and moisture in the vent 13 The vent must terminate no less than 5 above the vent connector The top of the vertical stack should extend above any portion of a building within a horizontal distance of 2 see Figure 6 2 14 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 inches vent is of double wall construction and is a listed product and the vent does not terminate within 10
46. 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 5c Shelf mounted units 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 similar 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 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 2223 1 or CAN CGA B149 1 or 2 latest edition Failure to follow these instructions can result in serious injury or death A CAUTION Installation must conform with local building codes or in the absence of local codes with Part 7 Venting of Equipm
47. not ignite Reversed main power polarity Unit not grounded Flame not sensed Unit goes through cycle but the burners go out in less then 10 seconds Loose connections Defective Fan time delay relay Defective fan motor Air circulating fan inoperable WHA WNA RWDND 20 AB w Pale eo gt o m ree o VM SNS eee e aS YS Turn on main power Check control transformer If failed transformer check thermostat wire gage and length Verify wire connections to R amp W terminals only Check replace thermostat Check LED code at gas valve thermostat and connection Replace control Check main power Check for blocked or improper venting Check vent motor hose connection replace or reconnect Check pressure switch Check power exhauster motor 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 panel Area around main gas orifices blocked with debris Unit louvers closed Heat exchanger tube s blocked with debris Flame at main burners 00 400 amp oNA Gas supply off or too low
48. o 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 Ensure that the supply voltage to the appliance as indicated on the serial plate is not 5 greater than the rated voltage 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 CAN CGA B149 1 for natural gas units and CAN CGA B149 2 for propane units Consult piping electrical and venting instructions in this manual before final installation Turn off all gas before installing appliance 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 10 000 BTU Hr input rating of the unit with a minimum of 100 square inches for each opening whichever is greater 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 Check the gas inlet pressure at the unit up
49. orizontal category vent may be Figure 8 1 either a standard vent TEE a Gary Steel 1092 or a Breidert Horizontal Category Venting TEE With Upward Pitch Type L style cap 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 8 1 A When using a standard vent TEE the preferred 1 4 Slope up orientation of the TEE is for the open ends of the towards termination TEE to be oriented horizontally In this orientation the minimum clearance to combustibles is 6 inches above the TEE to the eave If the TEE is oriented vertically the minimum clearance to combustibles is 27 inches above the TEE to the eave Refer to Figure 9 1 The vent TEE should incorporate a bird screen made from corrosion resistant material The individual strands Clean out Drip leg vent iransition of mesh in the bird screen must be located at least Maximum vent length B 1 4 apart B When using a vent cap the minimum clearance to combustibles is 6 inches above the cap to the eave Refer to Figure 9 1 4 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 is acceptable The Condensate is allowed to drip out of the end when using a TEE terminal See Figure 9 2 When using a vent cap with
50. stream 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 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 CAN CGA B149 codes 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 Do not attempt to reuse any mechanical or electronic ignition controllers which has been wet Replace defective controller Do not install unit outdoors Servicing or repairing of this equipment must be performed by a qualified service agency Do not install units below 7 measured from the bottom of the unit to the floor in commercial applications 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 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 of units in high humid
51. testing pressure to the unit must be 6 7 W C for natural gas and Gas pressure to appliance controls must never exceed 14 11 14 W C for propane gas When sizing the inlet gas pipe W C 1 2 psi diameter make sure that the unit supply pressure can be To reduce the opportunity for condensation the minimum met after the 0 3 W C has been subtracted If the 0 3 sea level input to the appliance as indicated on the serial W C pressure drop is too high refer to the Gas Engineer s plate must not be less than 5 below the rated input or 5 Handbook for other gas pipe capacities below the minimum rated input of duel rated units 3 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 A CA U T i Q N plugged tapping accessible for test gauge connection See Figure 10 1 Purging of air from gas lines should be performed as 4 Provide a sediment trap before each unit in the line where described in ANSI Z223 1 latest edition National Fuel low spots cannot be avoided See Figure 10 1 Gas Code or in Canada CAN CGA B149 codes 5 When Pressure Leak testing pressures above 14 W C When leak testing the gas supply piping system the 1 2 psi close the field installed shut off valve disconnect appliance and its combination gas control must be isolated the appliance and its combination gas control from the during any pressure
52. testing in excess of 14 W C 1 2 psi gas supply line and plug the supply line before testing The unit should be isolated from the gas supply piping When testing pressures 14 W C 1 2 psi or below close system by closing its field installed manual shut off the manual shut off valve on the appliance before testing valve This manual shut off valve should be located within f dbi dice Medi sedimen Trap Manual Shut off Valve IUD ee eee apps Installation Side or Bottom Gas Connection GAS SUPPLY LINE An MANUAL GROUND SHUT OFF JOINT VALVE UNION 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 GAS SUPPLY LINE 1 1 Installation of piping must conform with local building codes or in the absence of local codes with the National Fuel Gas D CONTROLS Code ANSI Z223 1 NFPA 54 latest Edition In Canada 3i VE NP TEST installation must be in accordance with CAN CGA B149 1 GAGE CONNECTION for natural gas units and CAN CGA B149 2 for propane units 2 Piping to units should conform with local and national SEDIMENT TRAP requirements for type and volume of gas handled and pievogie drop allowed in the line Refer to Table 13 1 to D Manual shut off valve is in the OFF position when handle is perpendicular to pipe Table 10 1 Gas Pipe Capacities Gas Pipe Capacities Up to 14 W C Gas Pressure thro
53. tics Do not discard any literature shipped with this unit Ensure that the supply voltage to the appliance as indicated on the serial plate is not 5 less than the rated 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 2 This unit is certified with the controls furnished For replacements parts please order according to the replacement parts list on serial plate Always know your model and serial numbers The right is reserved to substitute other authorized controls as replacements Unit is balanced for correct performance Do not alter fan or operate motors at reduced speed Information on controls is supplied separately 5 The same burner is used for natural and propane gas UNIT LOCATION A DANGER to a potentially explosive or flammable atmosphere A CAUTION 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 10 000 BTU Hr input rating of the unit with a minimum of 100 square inches for each opening whichever is greater To prevent premature heat exchang
54. tional 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 OPERATION 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 unit s 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
55. ugh 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 ux 2 Natural Propane Natural Propane 132 58 1323 46 152 96 285 180 590 372 890 561 1650 1040 245 154 500 315 760 479 1450 914 440 277 670 422 1270 800 252 610 384 725 233 560 662 221 530 334 930 586 548 491 o on ja c3 o O o w A D Q1 O N Ko N Ql Se ER 132 30 73 40 63 50 56 60 50 70 46 80 43 10 38 34 Ql O oO 10 INSTALLATION 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 596 greater than rated voltage 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 Na
56. us 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 Administration contact Hamilton Home Products at 1 800 879 0123 Do not return equipment to the home center Table of Contents Inspection on Arrival llle 1 Special Precautions 2 cq once we adres bee UR ee dcn e 2 SI Metric Conversion Factors 00 000 eee 3 LP EOCOUOIT 2424 tems e duMImES Got seueyaeetoaeah bes ae be 3 Combustible Material and Service Clearances 3 UMENOUNUNG BRE ERR Bae oreo TIS TIL TS 4 Unit Installation l l 6 VSDUPD 255 5 3 530724 tod dae we maa xxiv eae dae d REA P GPS 5 Gas Connections 0 0 0 ce ees 10 Electrical Connections 0 0 00 cee eee 11 Checking Input Rate 0 2 0 2 cee eee 12 Unit Components 204 aana naa aaaea 14 DIMENSIONS ce bis 6 eek began eee ee E RO 16 Service Trouble Shooting llle 17 WIRO sisit eetere ee ee eee e exp ere ee es eee ees 21
57. vers in casing are not restricted Make sure power exhaust is operating properly Make sure vent is not blocked Clean inside of heat exchanger tubes SE Se qe Make sure area around orifices is clear Pressure Switch The pressure switch located behind the access panel will shut off the gas supply to the burners in the event of a problem with the venting system It is a single pole single throw switch that is normally open The contacts close as the power exhauster develops the necessary pressure in the vent system to discharge the flue gases If it is suspected the pressure switch is not closing or if the switch may be opening under normal conditions 1 Check the vent system and remove any obstructions in the vent 2 Check the rubber tube behind the access panel make sure itis securely connected to the pressure switch and the power exhauster housing SERVICE MAINTENANCE TROUBLESHOOTING 3 Check if there is flow at the vent terminal if there is flow Model Number Designations Remove access cover to locate replace the pressure switch if there is no flow check the power exhauster WGH 45 AH 0134 Hot Surface igniter oO The hot surface igniter located behind the access panel and WGH Tubular 34 115V 25V single under the combination gas control will ignite the gas It is a Propeller Unit sage hol Surtace gomon 100 shut off with lockout natural gas 74 115V 25V single ceramic device that will glow red when it
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