Dayton 1RVT8 User's Manual
Contents
1. Installation Operation Maintenance and Parts Manual 1RVT7 and 1RVT8 Please read and save these instructions This heater must be installed and serviced by trained gas installation and service personnel only Read carefully before attempting to assemble install operate or maintain the product described Protect yourself and others by observing all safety information Failure to comply with instructions could result in personal injury and or property damage Retain these instructions for future reference Dayton Patio Heaters Description Dayton high intensity patio heaters become highly efficient generators of infrared radiation by heating a ceramic refractory material to incandescence The principal operation is to pass a gas air mixture through a perforated ceramic refractory and ignite it on the refractory surface This causes the ceramic material to be heated to approximately 1780 F and generate large amounts of infrared radiation that may be directed anywhere heat is desired Infrared radiation heats people and objects it strikes and not the intervening air Included is a direct spark ignition system manifold pressure tap porous ceramic grids a stainless steel housing and a preset mounting bracket for mounting the heater Typical applications are restaurant patios loading docks warehouses service garages factories aircraft hangars etc WARNING Improper installation adjustment alteration service or maintenance2. performed aA 3 Rotate heater s valve knob to OFF position RJ W gt Q o O A G W e BK w W BK GAS VALVE ELECTRODE ASSEMBLY Dayton Installation Operation Maintenance and Parts Manual Dayton Patio Heaters Maintenance 1RVT7 and 1RVT8 A WARNING NOTICE Always wear clothing that protects the body and use protective glasses when maintaining the heater Electrical shock or explosion may occur when conducting maintenance while the heater is connected to the power source and gas supply Disconnect power and gas supply to heater before servicing Burner malfunction may result in explosion or fire Never operate the heater if there are any signs of malfunction excessive wear or damage Call a professional for assistance Before each use Check the gas supply line and hose assembly for any possible leaks or damage Check heater elements for debris Visually check burner flames Keep the heated area clear and free of combustible materials gasoline and flammable vapors and liquids Ensure there is no obstruction of the flow of combustion and ventilation Periodic maintenance e Clean the heater with cleaning agents suitable for the unit s construction materials i e stainless steel Cleaner Lubricate moving parts Inspect the gas supply piping system for signs of corrosion or failure Replace if necessary 20 Cleaning the heater elements with high pressure air may cause da
3. Keep these instructions for future reference Dayton Dayton Installation Operation Maintenance and Parts Manual 1RVT7 and 1RVT8 Dayton Patio Heaters Safety pvc eee cs ence es yaa eee m aa naa a sae hake eer ee ay aaa en ayau 3 Warning SYMBOLS arising oacwlass uupes wean culaGue qana RD eR IRR sa RR eRe ae Waldes 3 POC AUIS MR MEME 3 Clearance to Combustibles adeo qoid at Porte dea ge bare ad dei dobeg d Par d d 4 Standards Certifications and Government Regulations _ 6 Safety Signs arid Labels L an na hia ee Redes anu rey rd te RA eae pd 7 Installati n e rcm 8 DESIO AD H OTPTIT 8 Heater DIMenSIOnS TEMPE 9 Heater MOUNINO u Goth graces aie nana naa Ged Pas cea ute dies we uoc mes us AEA D fed 10 Gas SUPY roaraa eR eC ee me E E E E E RE 13 Electrical Requirements onanan anaana 16 Ventilation METTI 17 DIEI eer erana e eee E RR E A 18 Sequence of Operation ashe esa da ents ale Ohta E EL TIT DO OTI 18 Wiring Dla G D oe 19 Maintenance RTT ETT T TT ETE ead ne eh D LE EO TT TET es BY ate me ate 20 Periodie M Imt enari6e T 20 Troubleshooting Guide 21 PANS daas sassa bua khana oe baa aoaaa pd ed ded bbb Qa 2 db d id doi q jung wa 22 Limited Warranty a a a a 0 24 Dayton Installation Operation Maintenance and Parts Manual Models 1RVT7 and 1RVT8 S
4. Mbar Dayton Dayton Installation Operation Maintenance and Parts Manual Dayton Patio Heaters To connect the gas A WARNING Failure to install operate or service this appliance in the approved manner may result in property damage injury or death This heater must be installed and serviced by trained gas installations and service personnel only The installation of this heater must conform with local building codes or in the absence of such codes the National Fuel Code NFPA 54 The gas outlet must be in the same room as the appliance and accessible It may not be concealed within or run through any wall floor or partition 1 Install a sediment trap drip leg if condensation may occur at any point of the gas supply line This will decrease the possibly of loose scale or dirt in the supply line entering the heater s control system and causing a malfunction NOTE High pressure gas above 14 in W C P water column pressure requires a high pressure regulator and ball valve field supplied 2 A stainless steel flexible hose field supplied formed into a smooth C shape is recommended If local codes prohibit the use of a gas hose then a swing joint may be used 3 Attach the ball valve field supplied to the gas supply pipe Apply pipe compound to NPT adapter threads to seal the joint Use only a pipe compound resistant to liquid petroleum Note Provide a 1 8 in NPT plugged tapping accessible for te
5. U 3 AOZL S L LZl Hd 1e peug HUUNON AJLA VE j ll Hd H SJNN uuelj M Ajquiassy le12 663 v L OZl Hd sbunoo4 suAoq p oH M quu ssv Jeuung EE L ZLL Hd pjalysysely M 9uJe ayes 563 L 6S1 Hd UP 906 PAJLA SED 2nseld z L LLL Hd aye 563 c L V91 Hd bun sseJg LE 801 Hd aseg bununo A ALA L AynuenO oN Hed uondijds q Me V ES AyI UENH ON Hed uondiDs dq 1 2e H oned uo3 eq JO S17 Syed ed u 8LAYL pue ZLAYL Jenue N seg pue e ueue1ure y uonejedo uonejjeisu uoy eq Dayton Installation Operation Maintenance and Parts Manual 1RVT7 and 1RVT8 Dayton Patio Heaters Limited Warranty One Year Limited Warranty Patio Heaters covered in this manual are warranted by Danyotn Electric Mfg Co Dayton to the original user against defects in workmanship or materials under normal use for one year after date of purchase Any part which is determined to be defective in material or workmanship and returned to an authorized service location as Dayton designates shipping costs prepaid will be as the exclusive remedy repaired or replaced at Dayton s option For limited warranty claim procedures see PROMPT DISPOSITION below This limited warranty gives purchasers specific legal rights which vary from jurisdiction to jurisdiction Additional Limited Warranty In addition to the above mentioned one year warranty Dayton warrants the original purchaser an additional two year extension on the ceramic burner This extension e
6. can cause property damage injury or death Read and understand the installation operating and maintenance instructions thoroughly before installing or servicing this equipment This heater must be installed and serviced by trained gas installation and service personnel only Inspect the heater annually Failure to comply could result in personal injury asphyxiation death fire and or property damage A WARNING Not for indoor residential use This heater is not approved for use in any indoor residential application This includes but is not limited to attached garages solarium living quarters etc Installation in residential indoor spaces may result in property damage asphyxiation serious injury or death Form 585668 Printed in U S A 03460 1206 346 VCPVP A WARNING Storage of gasoline and other flammable vapors and liquids in the vicinity of this or any other appliance may result in fire or explosion Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance Maintain clearance to combustibles For Your Safety If you smell gas Shut off gas to the appliance Extinguish any open flame Do not try to light any appliance Do not touch any electrical switch Call your gas supplier Do not use any phone in your building Follow the gas supplier s instructions e f you cannot reach your gas supplier call the fire department
7. heater and may require it to be rigidly property damage injury or death mounted Avoid excessive movement and or vibration of the gas connection by rigidly mounting the heater Figure 2 8 Gas Connection shown installed with a flexible hose Shut off valve inlet tap Regulator field supplied when required Elbows field supplied Mounting bracket Shut off valve field supplied Stainless steel gas connector field supplied formed into smooth C shape is recommended Drip leg Sediment trap T n field supplied Dayton Installation Operation Maintenance and Parts Manual 1RVT7 and 1RVT8 Dayton Patio Heaters Electrical Requirements AWARNING NOTICE Incorrect or improper wiring may result in shock injury or death Field wiring to the heater must be connected and grounded in accordance with national state provincial local codes and to the guidelines in this manual Refer to the most current revisions to the ANSI NFPA 70 Standard Control systems are initiated by 120V control voltage Important Proper grounding and polarity are essential If the system is not properly grounded it cannot determine the presence of a flame and will lockout and shut off Figure 2 9 120V Typical Field Wiring Mounting bracket Heater 120V thermostat timer or switch field supplied Neutral Radiant heat may damage the flexible power cord Always keep the flex
8. supply and connections e Combustion ventilating air supply and exhaust path Electricity and wiring to the heater A CAUTION This heater cannot be used in a building with a roof that is not insulated or where condensation problems can occur This installation manual along with national state provincial and local codes address these issues It is critical that you read understand and follow all guidelines and instructions Always inspect and evaluate the mounting conditions space for exhaust gas supply and wiring IMPORTANT Fire sprinkler heads must be located at an appropriate distance from the heater This distance may exceed the published clearance to combustibles Certain applications will require the use of high temperature sprinkler heads or relocation of the heaters Potentially flammable substances such as Propylene Glycol or antifreeze solutions are not to be used in conjunction with this heater For further information consult NFPA 13 Always observe applicable state and local codes Dayton Installation Operation Maintenance and Parts Manual Models 1RVT7 and 1RVT8 Figure 2 1 Patio Heater Dimensions Ho 42 25 Z y END VIEW SIDE VIEW Figure 2 2 Mounting Bracket Extension Dimensions The heater s mounting brackets are adjustable in one inch intervals when installed with the connecting arms All clearance to combustibles must be maintained Refer to the minimum and maximum mounting br
9. 1 Rotate heater s valve knob to ON position 2 Close electrical circuit usually thermostat 3 If the heater fails to light turn OFF gas open electrical circuit and wait 5 minutes F N LLPCL002 Patio Heater Clearance to Combustibles Label Dayton Dayton Installation Operation Maintenance and Parts Manual 1RVT7 and 1RVT8 Dayton Patio Heaters Installation A WARNING Read and understand the installation operating and maintenance instructions thoroughly before installing or servicing this equipment Only trained qualified gas installation and service personnel may install or service this equipment Design To ensure a safe properly designed heating system a layout should be developed for the correct placement of the infra red heater s Aside from safety factors such as dearance to combustibles see Chart 1 1 on page 5 you should take into consideration The environment e g is it cold drafty average protected IN Note The effective infra red surface temperature of a person or object may be diminished with wind above 5 mph wind barriers may be required e What is the area of heat coverage e g sq ft needed Chart 2 1 Figure 2 2 e Is the heater being used in a social gathering area or work station s The mounting height of the heater Chart 2 1 Figure 2 3 The type of mounting to be used e Physical space needed for the heater Figure 2 1 Gas
10. 4
11. Consult manual for additional guidelines MOUNTING ANGLE END S SIDE S BELOW BEHIND NEL NET l NA 46 1168mm in millimeters 1168mm SIDE VIEW END VIEW END VIEW AVOID RIO R DEA OR PROPER DAMA 0 Mounting 4 TOP 30 Mounting BEHIND Maintain Clearances to Combustibles to Prevent the Risk of Fire END END sipE 3 swe Clearances to combustibles must be maintained in order to prevent E g the ignition of combustible materials n locations used for the Vastow Z WARNING Avoid Serious Injury or Death Improper installation adjustment alteration service bj or maintenance can cause property damage injury or death Read the installation operation and maintenance manual thoroughly before installing or servicing this equipment This is not an explosion proof heater Where there is the possibility of flammable vapors or dusts consult the local fire marshal fire insurance carrier or other authorities for approval of the proposed installation Always maintain minimum ventilation requirements Contact may cause burn Do NOT touch hot surface Allow to cool before servicing This heater must be installed by qualified personnel only and in accordance with the latest edition of the i ANSI NFPA Standards ANSI NFPA 88A Parking Structures 88B Repair Garages 409 Aircraft Hangars Observe all country state and local codes LIGHTING INSTRUCTIONS before repeating
12. Hd 1o D2 uuo2 duuu pay eM Z GZ c L6c Hd SS 1 amp peig buibueH rs L GG Hd 100g M aM ebeyo uBiH ebueJO Zl vz i 90Z Hd SS pued pu3 ES l ESl Hd pued HuUNON sjouo EZ 1 GOZ Hd SS ebutH M 19405 xog 01 U0D cS L ZSl Hd OZL HMYA SSPeUJEH 006 001 cc L VOC Hd SS ebutH S19 n0 M oued pug 01 U0D LS LSL Hd ZLL XGOL JYYN p4eog HND LZ L 0Z Hd SS Jaued epis eue 1YyOIY 0S L OSI Hd opos 101ub oz L COC Hd SS 1129 3 9 SED jaued epis aue 191 6v 6 L Hd 1911015 19 U Jeqqny 6l L LOZ Hd SS pued dol 8v L 8tl Hd del 1 lul AEeA e8 8 8l L 961 Hd poy ebutH 1940 043005 Ly L Lv Hd ejddiN edig Hulwodu S x 8 Lu L8L Hd IN X H 0Z b L 9p L QvL Hd INN wef XH 81 91 6 QL O81 Hd yog eutpelwN z L X Oc v Li gp L StI Hd J9USeM 4207 1X3 91 6 SL m L G61 Hd 409 1Jes1nN POD Z L L X 81 91 S vv L trI Hd 3IJHO Se vi L V6L Hd MeIISQUINY 1940 0J300 ev L vl Hd bunt Jeanpay 8 EL L 61 Hd ynuabe gt eJenbs Oz p L4t ev L ZYl Hd 9 ddiN edid p so 2 8 ZL 8 C61 Hd INN XeH 9L S Lv L Lvl Hd SED d1 anjeA SLD LL 8 L6L Hd DUIZ J9UseAM HIAS 91 5 Ov L OvL Hd SED e1n1eN AJLA sed OL 8 O6L Hd GH X3H v E X 91 S 6 L LEl Hd Jolley uiens 6 L 8 1 Hd SS jaueg bununo A pu3 ung BE L l Hd p405 6uoJd eeJu a qiXe HOA OZL 8 L vL Hd jaueg bununojA epo ep 9 Jeung LE L LLl Hd Jeueg uonnquisiq AY L LZL Hd buidduis 1 U1e AA 9E L 9LI Hd jaueg bununojN uey 9 L Z I Hd jaueg buigunojA AJLA SE L SLL Hd
13. T8 Dayton Patio Heaters Standards Certifications and Government Regulations The installation of this heater must comply with all applicable local state and national specifications regulations and building codes contact the local building inspector and or fire marshall for guidance before installing the heater system In the absence of local codes the installation must conform to the latest edition of the National Fuel Code ANSI 2223 1 NFPA 54 Refer to the following Standards and codes for application specific guidelines Public Garages The installation of this heater in public garages must conform with the Standard for Parking Structures ANSI NFPA 88A latest edition or the Standard for Repair Garages ANSI NFPA 88B latest edition and must be at least 8 ft above the floor Aircraft Hangars The installation of this heater in aircraft hangars must conform with the Standard for Aircraft Hangars ANSI NFPA 409 latest edition The heater must be installed at least 10 ft above the upper wing surfaces and engine enclosures of the highest aircraft which might be stored in the hangar In areas adjoining the aircraft storage area the heaters must be installed at least 8 ft above the floor The heaters must be located in areas where they will not be subject to damage by aircraft cranes moveable scaffolding or other objects High Altitude The installation of this heater is approved without modifications fo
14. acket extensions below 1 Minimum mounting bracket extension to non combustibles only is 9 in 2 Minimum 0 mounting bracket extension to combustibles is 14 5 in 3 Minimum angle mounting bracket extension up to 30 to combustibles is 17 5 in 4 Maximum mounting bracket extension is 20 5 in Dayton Installation Operation Maintenance and Parts Manual 1RVT7 and 1RVT8 Dayton Patio Heaters Heater Mounting The heater can be suspended with chains or rigid A WARN NG threaded rod Local codes or conditions such as wind drafts or other variables can cause movement of the Improper suspension of the infra red heater and may require rigid threaded rod Avoid heater may result in collapse and persons excessive movement and or vibration of the gas being crushed Always suspend from a connection by rigidly mounting the heater The heater permanent part of the building structure mounting brackets can be used in place of rigid that can support the total force and threaded rods see Figures 2 5 2 6 Consult all weight of the heater applicable codes before installation Failure to maintain minimum clearance to The heater must be level from side to side and can be combustibles may result in fire and or set at an angle between 0 and 30 from horizontal explosion property damage serious The gas connection and power cord must be located on injury or death Always maintain the lower side see Figure 2 4 minimum clearance
15. afety Warning Symbols Safety is the most important consideration during installation operation and maintenance of the infra red heater You will see the following symbols and signal words when there is a hazard related to safety or property damage A WARNING Warning indicates a potentially hazardous situation which if not avoided could result in death or injury A CAUTION Caution indicates a potentially hazardous situation which if not avoided could result in minor or moderate injury NOTICE Notice indicates a potentially hazardous situation which if not avoided could result in property damage UJ AWARNING Improper installation adjustment alteration service or maintenance can cause property damage serious injury or death Read and understand the installation operating and maintenance instructions thoroughly before installing or servicing this equipment Only trained qualified gas installation and service personnel may install or service this equipment Applications This is not an explosion proof heater Consult your local Fire Marshall insurance carrier and other authorities for approval of the proposed installation Commercial Industrial Infra red heaters are designed and certified for use in industrial and commercial buildings such as outdoor restaurant patios warehouses manufacturing plants aircraft hangars and vehicle maintenance shops For maximum safety the building must be eva
16. als to potential hazards and safety actions ANSI Z83 26 CSA 2 37 require you to post a sign specifying the maximum permissible stacking height to maintain the required clearances from the heater to the combustibles near the heaters thermostat or in absence of such thermostats in a conspicuous location storage of combustible materials signs must be posted to specify the maximum permissible stacking height to maintain the required clearances from the heater to the combustibles Signs must either be posted adjacent to the heater thermostats or in the absence of such thermostats in a conspicuous location Clearances are provided on the heater s safety labels and in the heater s Installation amp Operation Manual Refer to applicable ANSI orNFPA 54 Standards or local codes for further information Post this tag adjacent to the heater s thermostat or controls before operating the heater READ AND PO O F N LL01 Clearance Safety Tag Affix adjacent to heater s thermostat WARNING OBSERVE DO NOT PROPER GAS ROTATE CONTROLI ASSEMBLY USE TWO F N LLO2 Observe Proper Gas Type Natural Gas TO TIGHTEN F N LLO3 Observe Proper Gas Type LP Gas 0 0 FIRE HAZARD Always maintain published clearance to combustibles In locations used for the storage of combustible materials signs must be posted
17. andle the load of all heaters being installed as well as any other gas appliances being connected to the supply line e Check that the main gas supply line is of proper diameter to supply the required fuel pressures e f utilizing used pipe verify that its condition is clean and comparable to a new pipe Test all gas supply lines in accordance with local codes Test and confirm that inlet pressures are correct Refer to the rating plate for required minimum and maximum pressures see Chart 2 2 The gas supply pipe must be of sufficient size to provide the required capacity and inlet pressure to the heater if necessary consult the local gas company For test pressures in excess of 1 2 psig 3 5 kPa the heater and ball shutoff valve must be disconnected from the gas supply piping system during any pressure testing of the system For test pressures equal to or less than 1 2 psig 3 5 kPa the heater must be isolated from the gas supply piping system by closing it s individual manual shutoff valve during any pressure testing of the gas supply piping system Maximum Inlet Pressure Minimum Inlet Pressure 6 0 in W C P 14 0 in W C P 10 0 in W C P Liquefied Petroleum 11 0 in W C P 14 0 in W C P Note Check manifold pressure at the tap on the ball shutoff valve Readings will be above atmospheric pressure during operation Pressure Equivalents 1 in W C P equals 058 oz sq in equals 2 49
18. e blower will cause the normally open pressure switch to close Another circuit is completed from L1 to the spark ignition module and back to L2 After a seven 7 second pre purge the spark electrode and gas valve are energized simultaneously The trial for ignition is fifteen seconds Running Circuit After ignition the flame rod monitors the flame As long as a flame is present the valve is held open If the flame is lost the control acts to close the valve within one second and a new trial sequence identical to that at start up is initiated If proof of flame is not established within the 15 second trial for ignition the unit will retry two additional times before entering lockout mode If lockout occurs the control can be reset by briefly interrupting the power source Dayton Installation Operation Maintenance and Parts Manual Models 1RVT7 and 1RVT8 Lighting Instructions Wiring Diagrams 1 Rotate heater s valve knob to ON position Figure 3 1 120V TM Amp draw 2 Close electrical circuit usually thermostat 25 starting f I 24 running 3 If the heater fails to light turn OFF gas open a a N electrical circuit and wait 5 minutes before wt 120V es repeating DOOR SWITCH Shutdown Instructions THERMAL SWITEH e 1 Open electrical circuit usually thermostat PRESSURE SWITCH 2 Turn off electrical power if service is to be Za
19. ertain aspects of disclaimers are not applicable to consumer products e g a some jurisdictions do not allow the exclusion or limitation of incidental or consequential damages so the above limitation or exclusion may not apply to you b also some jurisdictions do not allow a limitation on how long an implied warranty lasts consequently the above limitation may not apply to you and c by law during the period of this limited warranty any implied warranties of implied merchantability or fitness for a particular purpose applicable to consumer products purchased by consumers may not be excluded or otherwise disclaimed Prompt Disposition Dayton will make a good faith effort for prompt correction or other adjustment with respect to any product which proves to be defective within limited warranty For any product believed to be defective within limited warranty first write or call dealer from whom the product was purchased Dealer will give additional directions If unable to resolve satisfactorily write to Dayton at address below giving dealer s name address date and number of dealer s invoice and describe the nature of the defect Title and risk of loss pass to buyer on delivery to common carrier If product was damaged in transit to you file claim with carrier Manufactured for Dayton Electric Mfg Co 5959 W Howard St Niles Illinois 60714 U S A Daytonlj Manufactured for Dayton Electric Mfg Co Niles Illinois 60714 U S A 2
20. ible power cord away from the heater Do not allow the power cord to be subjected to radiant heat For wiring of controls see Figure 2 9 below It is recommended that the control be installed on the hot side of a fused supply line and have a sufficient ampere capacity rating for the heater s it will control see Figures 3 1 amp 3 2 Dayton Installation Operation Maintenance and Parts Manual Models 1RVT7 and 1RVT8 Ventilation A WARNING Improper or insufficient ventilation may result in explosion fire health problems carbon monoxide poisoning or death Vent enclosed spaces and buildings according to national state provincial and local codes This infra red heater must be vented in accordance with national state provincial and local codes and the guidelines throughout this manual Refer to the latest edition of the ANSI Z223 1 NFPA 54 Standard It is required that the upper levels of the space to be heated are properly ventilated to supply combustion air to the heaters and to sufficiently dilute the products of combustion It is also important to keep the flue discharge area clear of gas piping and electrical wiring see Figure 2 10 Provisions must also be made to provide sufficient fresh air intake area and exhaust air outlet area Natural or mechanical means shall be provided to supply and exhaust at least 4 0 CFM per 1000 BTU H of gas input Exhaust openings for the removal of flue products must be abo
21. luated for potential hazards before installing the heater system A critical safety factor to consider before installation is the clearance to combustibles Outdoor Residential This heater may only be used in outdoor residential applications and is NOT approved for use in any indoor residential application This includes but not limited to attached garages living quarters solarium etc Consult the local fire marshal and or insurance provider if unsure of your application A WARNING Not For Indoor Residential Use Installation of a infra red heater system in residential indoor spaces may result in property damage serious injury or death In residential applications this heater may only be used outdoors Dayton Dayton Installation Operation Maintenance and Parts Manual 1RVT7 and 1RVT8 Dayton Patio Heaters Clearance to Combustibles A WARNING Improperly connected gas lines may result In serious injury or death explosion poisonous fumes toxic gases asphyxiation Connect gas lines in accordance to national state provincial and local codes LN Placement of explosive objects flammable objects liquids and vapors close to the heater may result in explosion fire property damage serious injury or death Do not store or use explosive objects liquids and vapor in the vicinity the heater Failure to comply with the published clearances to combustibles could result in personal injury death a
22. mage to the elements and equipment failure Do not blow out heating elements with high pressure air Before conducting maintenance on the heater disconnect the power and gas supply When pressure testing the gas supply piping system follow these guidelines e Ata test pressure in excess of 1 2 psig 3 5 kPa the heater and ball shutoff valve must be disconnected from the gas supply piping system during any pressure testing of the system At a test pressure equal to or less than 1 2 psig 3 5 kPa the heater must be isolated from the gas supply piping system by closing it s individual manual shutoff valve during any pressure testing of the gas supply piping system Cleaning the main burner 1 Gently use an air hose to blow any accumulated dust and or dirt off the heater Air hose pressure should not exceed 30 psig Gently pass the air hose over the entire exposed area of the ceramic A distance of 2 to 4 from the unit is recommended Gently place the air hose outlet into the venturi tube and allow the air to flow for approximately one minute During long periods of non usage remove or cover heater with a polyethylene bag and shut off gas supply If further service to the heater is desired contact your representative or the factory Dayton Installation Operation Maintenance and Parts Manual Models 1RVT7 and 1RVT8 Chart 4 1 Troubleshooting Guide Symptom Burning of gas air mixture inside plenum fla
23. nd or property damage Hazards Include For maximum safety the building must be evaluated for hazards before installing the heater system Examples include but not limited to Gas and electrical lines e Combustible and explosive materials e Chemical storage areas e Areas of high chemical fume concentrations e Provisions for accessibility to the heater Adequate clearances around air openings e Combustion and ventilating air supply Vehicle parking areas Vehicles with lifts or cranes e Storage areas with stacked materials Lights e Sprinkler heads Overhead doors and tracks Dirty contaminated environment A CAUTION Signs shall be posted specifying the maximum permissible stacking height in order to maintain clearances to combustibles A critical safety factor to consider before installation is the clearances to combustibles Clearance to combustibles is defined as the minimum distance you must have between the infra red surface or reflector and the combustible item Considerations must also be made for moving objects around the infra red heater The following is a partial list of items to maintain clearances from Combustible items include e Wood e Paper e Fabric e Chemicals Wall or roof insulation Moving objects include Overhead doors Vehicle lifts e Cranes e Hoists e Car wash equipment When installing the infra red heater system the minimum clearances to combustibles m
24. ose pipe connection Heater located in drafty area Low gas pressure e Thermostat located in drafty area Defective electrode or circuit board Check connections Tighten as necessary e Relocate or shield from draft See Section 2 0 Gas Supply e Relocate thermostat Replace No spark no ignition e Lack of 120V incoming voltage Open high voltage wire e Fan not operating e Improper electrode gap Loose or open wire connection e Pressure switch not satisfied Poor or no equipment ground Unit in safety lockout mode Defective gaslighter control Check power supply e Isolate an ohm for resistance replace if 0 Locate source of electrical problem or replace faulty fan See Ignition System specifications Check all wires tighten or replace e Verify fan operation Remove obstructions Check all connections provide positive earth ground e Interrupt power source repeat trial for ignition Replace Heater lights and locks out after approximately 10 seconds Spark is present No main gas operation Unit locks out Poor or no equipment ground Polarity is reversed Low gas pressure e Electrode not sensing Heater mounted at incorrect angle Defective gaslighter control e Gas valve in OFF position Defective gas valve Defective gaslighter control e Check all connections provide positive earth ground e 120V
25. r elevations up to 6 000 ft MSL sea level Contact Dayton for installations above these elevations Electrical The heater when installed must be electrically grounded in accordance with the National Electrical Code ANSI NFPA 70 latest edition Under no circumstances is either the electrical supply line or gas supply line to provide any assistance in the suspension of the heater Ventilation This heater must be installed in accordance with the requirements set forth in this manual and with the NFPA 54 ANSI 2223 1 National Fuel Gas Code latest edition See ventilation requirements on page 17 Dayton units comply or are certified by one or more of the following organizations or standards CSA International Requirement CSA 2 37 5 90 U S e American National Standards Institute ANSI 283 26 Dayton Installation Operation Maintenance and Parts Manual Models 1RVT7 and 1RVT8 Safety Signs and Labels Safety warning labels must be maintained on the infra red heater Illustrations of the safety labels and their locations are pictured below In locations used for the storage of combustible materials signs must be posted to specify the maximum permissible stacking height to maintain the required clearances from the heater to combustibles Signs must either be posted adjacent to the heater thermostats or in the absence of such thermostats in a prominent location It is important to provide warnings to alert individu
26. s and post signs or provided tags F N LLO1 where needed Signs should state the hazards for the particular application and be legible for the building occupants Consult the factory or a factory representative for additional information on signage compliance Figure 2 4 Heater Orientation Mounting bracket Dayton The gas connection and _ c Level end to end Q power cord must located towards the lower side of the heater towards the floor 10 Dayton Installation Operation Maintenance and Parts Manual Models 1RVT7 and 1RVT8 Chart 2 1 Recommended Mounting Heights Recommended Mounting Height Approximate Model amp Input Dimension A Coverage Area 1RVT7 1RVT8 ee T Note This chart is provided as a guideline Actual conditions dictate variances from this data Figure 2 3 Recommended Mounting Heights Dayton Installation Operation Maintenance and Parts Manual 1RVT7 and 1RVT8 Dayton Patio Heaters Wall Mounting Bracket Figure 2 6 Typical Side Wall Mounting Your patio heater is equipped with preset mounting hardware Figures 2 6 and 2 7 illustrate various mounting configurations using the preset mounting bracket This hardware allows the heater to be installed at an angle between 0 and 30 This angle must not exceed 30 from horizontal mE Mounting bracket Assemble the mounting hardware as shown in figure 2 5 attached to wall The mo
27. shback Possible Cause e Heater mounted at incorrect angle e Excessive drafts e Gas leaking at orifice e Separation of ceramic grids e Ceramic grids cracked Corrective Action e Mounting angle 0 30 e Relocate or shield from draft e Check with leak detector solution Replace burner Replace burner Delayed ignition e Electrode out of specification Low gas pressure Partially blocked orifice Improper orifice size e Incorrect gas e See ignition system insert See Section 2 0 Gas Supply Clean or replace Consult Dealer See unit nameplate Low ceramic surface temperature or excessive rollout Dirty or plugged burner ceramics e Partially blocked orifice Low inlet gas pressure e High or low manifold gas pressure Foreign matter in venturi tube e Excessive dark spots on burner e Gas supply piping too small e Incorrect gas e See periodic maintenance instructions Remove and clean See Section 2 0 Gas Supply Adjust main valve regulator as specified e See periodic maintenance instructions e See periodic maintenance instructions Increase inlet pressure or replace piping See unit nameplate Control system overheating Heater not mounted correctly Heater mounted too close to ceiling e Mounting angle 0 30 Level left to right e Observe clearance to combustibles Gas odor Heater cycles repeatedly Lo
28. st gauge connection immediately upstream of gas connection to the heater provided on ball valve when supplied 4 5 1RVT7 and 1RVT8 Attach the gas connector field supplied to the adapter and the heater s gas inlet Seal the joints Important The fittings nuts on the flexible connector field supplied must be connected to an adapter They may not be directly connected to the gas supply pipe Excessive torque on the manifold may misalign the orifice Always use two wrenches to tighten mating pipe connections Final assembly must be tested for gas leaks according to NFPA or local codes A WARNING Testing for gas leaks with an open flame or other sources of ignition may lead to a fire or explosion and cause serious injury or death Test in accordance with NFPA or local codes To disconnect the gas 1 2 Disconnect the power to the heater Turn off the gas supply to the heater and bleed the gas line Using two wrenches slowly loosen the fittings Excessive torque on the manifold may misalign the orifice Inspect the hose and fittings for abrasion wear or damage Replace if necessary Dayton Installation Operation Maintenance and Parts Manual Models 1RVT7 and 1RVT8 A WARNING A WARNING Failure to disconnect the electricity to Conditions such as wind drafts or other the heater before disconnecting the gas variables can cause movement of the supply may result in explosion fire
29. t Dayton Installation Operation Maintenance and Parts Manual Dayton Patio Heaters Operation A WARNING Improper operation of the heater may result in explosion fire shock and carbon monoxide poisoning Follow all guidelines and warnings in this manual and national state provincial and local codes Always conduct safety checks before operating the heater Do not operate the heater in unsafe conditions Important Before operating the heater conduct the following safety procedures Check for any possible gas leaks Alert all persons about the hazards of high surface temperature and to keep a safe distance away in order to avoid burns and possible clothing ignition Provide supervision when young children are in the area of the heater Check to make sure clothing isn t hung from the heater and that flammable materials are not placed on or near the heater Check that all guards or protective devices are in place and secure Check the hose assembly for excessive abrasion wear or damage If necessary replace Check control compartment burners and circulating air passages for debris If necessary clean the debris 18 1RVT7 and 1RVT8 Sequence of Operation Starting Circuit When voltage is applied to L1 and L2 a circuit is completed from L1 via the blower motor to L2 The blower fan is mounted in the control box and rated to supply sufficient air for combustion Air pressure generated by th
30. to black neutral to white See Section 2 0 Gas Supply Relocate or replace if defective e Mounting angle 0 30 Replace Turn to ON position e Isolate and check for resistance replace if 0 e Replace Heater will not shut off eDefective thermostat or wiring e Gas valve stuck or open High gas pressure Replace or repair e Replace e See Section 2 0 Gas Supply 1RVT7 and 1RVT8 Dayton Installation Operation Maintenance and Parts Manual AARON RENN AX MAN RNANN IAN RRA RD RN Wit aN RE NEN ROO QR RN VANINA RRR CAMANA OOo RN RRR BRN NA N NY cnn rita RAN RRR Repair Parts Illustration for Dayton Patio Heater o 4 E A 4 N Mas ME 2 e lt gt O s s O u o gt 1 N m OF 2 un n uM t TBE Ds Sins 5 Ea Pc 3 G m Fe e ASS 25 igs 9 En k 2 Gar S Qess5es OdSeesgy cogs S o eco oo e g 24 22 L O L Hd de 19 u 2nseld pe g t 09 L 91 Hd soH uiA 6u07 oE L CCI Hd JOWWOID del eunssaJd 19 U pe g 8 S 6S L Z91 Hd SOH J UIA HOUS 6c L C8C Hd SS MDS MH ALIS Z L X 8 8S L LOL Hd UDIIMS aunssald 8c d OLZ Hd SS puend uiey LG j 8SL Hd UDIIMS JOOQ LC Z 66Z Hd SS uuy bun euuo 1e xpejg bununolN 9G L LSl Hd 9snj jew yL 9z c 867 Hd SS 19 peuq bununo N GG L 9Gl
31. unting hardware is adjustable in one inch intervals using the connecting arms Refer to figure 2 2 on page 9 for an illustration of the minimum and maximum extentions of the mounting bracket Figure 2 5 Mounting Bracket Assembly 0 Mounting Angle Figure 2 7 Typical Ceiling Mounting Mounting bracket attached to ceiling 0 Mounting Angle 30 Mounting Angle Dayton Installation Operation Maintenance and Parts Manual Models 1RVT7 and 1RVT8 Gas Supply A WARNING LN Improperly connected gas lines may result in fire explosion poisonous fumes toxic gases asphyxiation and death Connect gas lines in accordance to national state provincial and local codes The gas supply to the infra red heater must be connected and tested in accordance with national state provincial and local codes along with the guidelines in this manual Refer to the latest edition of the ANSI Z223 1 NFPA 54 Standard Important Before connecting the gas supply to the infra red heater s Check for conditions such as drafts or other variables which might cause excessive movement of the unit and cause damage to the gas connection Ensure that the unit is securely mounted and connect the gas with an approved connection device suitable for the environment of use Chart 2 2 Manifold Pressure Required Manifold Pressure Natural 5 0 in W C P Check that the gas piping and service has the capacity to h
32. ust be maintained These distances are shown in Chart 1 1 and on the minimum clearance to combustibles label F N LLPCLOO2 found on the heater If you are unsure of the potential hazards consult your local fire marshall fire insurance carrier or other qualified authorities on the installation of gas fired infra red heaters for approval of the proposed installation Dayton Installation Operation Maintenance and Parts Manual Models 1RVT7 and 1RVT8 Chart 1 1 Clearance to Combustibles in Inches see Figure 1 1 Model No nd Sides Below Tare 63 Front Angle 1RVT7 34 000 Natural Gas 1RVT8 34 000 LP Gas Heaters mounted on an angle between 0 to 30 must maintain clearances posted for 0 or 30 whichever is greater Certain applications awnings fabrics plastics sprinklers Important If the heater is mounted beneath a non insulation may require the heater to be mounted at a combustible surface an 8 in minimum top clearance distance in excess of the published clearances to must be maintained from the top of the heater to combustibles Contact the factory prevent overheating the controls Figure 1 1 Clearance to Combustibles Top Top to ceiling to ceiling Back Side This side down Below Below END VIEW END VIEW 0 MOUNTING ANGLE 30 MOUNTING ANGLE End End SIDE VIEW Dayton Installation Operation Maintenance and Parts Manual 1RVT7 and 1RV
33. ve the level of the heater s Where insufficient air movement exists induced air Figure 2 10 Hot Flue Discharge e Discharge released from side air channels Keep area clear of gas piping and electrical wiring 17 displacement is required A balanced system is essential to avoid negative building pressure which causes excessive infiltration unfavorable drafts and affects combustion efficiency Air displacement may be accomplished by either gravity or mechanical means Mechanical exhausters are preferred and typically mounted at high points on the roof over where stagnant air accumulates inside For a flat roof considerations of prevailing winds high and low pressure areas and distribution of air movement must be taken into consideration when locating exhausters Best air distribution is accomplished by using a number of small exhausters versus one large exhauster Provide a minimum of one square inch of inlet area per 1000 BTU H for combustion air supply Inlet opening in the building should be well distributed located high on the wall and should direct incoming air upward to dilute products of combustion while preventing drafts at lower levels Inlets are typically 1 to 3 sq ft In certain applications local codes may require that mechanical exhaust systems be interlocked with the heaters to enable both to function simultaneously or allow control of exhausters with a ceiling mounted humidista
34. xcludes electrical purchased components Limitation of Liability To the extent allowable under applicable law Dayton s liability for consequential and incidental damages is expressly disclaimed Dayton s liability in all events is limited to and shall not exceed the purchase price paid Warranty Disclaimer Dayton has made a diligent effort to provide product information and illustrate the products in this literature accurately however such information and illustrations are for the sole purpose of identification and do not express or imply a warranty that the products are merchantable or fit for a particular purpose or that the products will necessarily conform to the illustrations or descriptions Except as provided below no warranty or affirmation of fact expressed or implied other than as stated in the LIMITED WARRANTY above is made or authorized by Dayton Product Suitability Many jurisdictions have codes and regulations governing sales construction installation and or use of products for certain purposes which may vary from those in neighboring areas While Dayton attempts to assure that its products comply with as many codes it cannot guarantee compliance and cannot be responsible for how the product is installed or used Before purchase and use of a product review the product applications and all applicable national and local codes and regulations and be sure that the product installation and use will comply with them C
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