COMMERCIAL GAS WATER HEATERS

1 COMMERCIAL GAS WATER HEATERSI nstruction ManualPRINTED 0814 194186-003 PLACE THESE INSTRUCTIONS ADJACENT TO HEATER AND NOTIFY OWNER TO KEEP FOR FUTURE BTP 139(A) Thru 370(A)SERIES 104/105 INSTALLATION - OPERATION - SERVICE - MAINTENANCE - LIMITED WARRANTYRead and understand this instructionmanual and the safety messagesherein before installing, operating orservicing this WATER to follow these instructions andsafety messages could result in deathor serious manual must remain with thewater Tennessee Waltz ParkwayAshland City, TN 37015 Low Lead ContentThank yRX IRr EXyinJ this enerJy eI Fient WATER heater We aSSreFiate yRXr FRn denFe in RXr SrRdXFts WARNING: If the information in theseinstructions is not followed exactly, a fireor explosion may result causing propertydamage, personal injury or not store or use gasoline or otherflammable vapors and liquids in thevicinity of this or any other TO DO IF YOU SMELL GAS:Do not try to light any not touch any electrical switch; donot use any phone in your call your gas supplierfrom a neighbor s phone.

2 Follow thegas supplier s you cannot reach your gas supplier,call the fire and service must beperformed by a qualified installer,service agency or the gas supplier. 2 Air )rRP 2ther IndRRr 6 SaFes 189ent CRnneFtiRn 19 WATER HEATER INSTALLATION 19-22 WATER Line CRnneFtiRns 19T P 9alYe DisFharJe PiSe 19 Installation Diagrams - Top Inlet/Outlet Usage 20 Burner Installation 20 Heater Wiring 21 Gas Piping 22 Gas Line Leak Testing 22 Purging 22 STARTUP AND OPERATION 23 Prior to Start Up 23 SEQUENCE OF OPERATION 23-27 SeTuenFe oI Operation Flow Chart 24 Lighting & Operation Label 25 Adjustments 26 CheFking 9enting 26 CheFking the Input 26 Setting Burner Operation 27 MAINTENANCE 28-329enting System and BarometriF DraIt Control 28 General 28 Remote Storage Tank Temperature Control 28 Temperature-Pressure Relief Valve Test 28 Anode Rod InspeFtion 29 draining and

3 Flushing 29 ReFommended ProFedure for PeriodiF Removal or Lime Deposits from the Tank Type CommerFial WATER HEATERS 29 DeLiming Solvents 30 Tank Cleanout ProFedure 30 Deliming Using Flo-Jug Method 30-31 Power Burner 31-32 Gas Control Valve 32 SERVICE 32 EleFtriFal ServiFing 32 TROUBLESHOOTING CHECKLIST 33 FOR YOUR INFORMATION 34 Start up Conditions 34 Operational Conditions 34 WATER PIPING DIAGRAMS 35-49 MANIFOLD KITS 50 REPLACEMENT PARTS LIST 51- 52 NOTES 53-54 WARRANTY 55 TABLE OF CONTENTSSAFE INSTALLATION, USE AND SERVICE 3 APPROVALS 3 GENERAL SAFETY INFORMATION 4-5 PreFautions 5 Grounding InstruFtions 5 Hydrogen Gas Flammable 5 INTRODUCTION 6 Abbreviations Used 6 Quali Fations 6 Start Up Requirements 6 Preparing for the Installation 6 FEATURES AND COMPONENTS 7 High Limit SwitFh 7 EleFtroniF Ignition Control 7 BarometriF Draft Control 7 Combustion Chamber Observation Port 7 UnFrating 7 INSTALLATION CONSIDERATIONS 8-12 Rough In Dimensions 8 LoFating The WATER Heater 10 ClearanFes 10 Insulation Blanket 11 Hard WATER 11 CirFulation Pumps 11-12 High Altitude Installations 12 INSTALLATION REQUIREMENTS 13-16 Gas Supply Systems 13 Supply Gas Regulator 13 Power Supply 13 WATER Temperature

4 Control and Mixing Valves 13 Dishwashing MaFhines 14 Closed WATER Systems 14 Thermal Expansion 14 Temperature-Pressure Relief Valve 14-15 Contaminated Air 15 Air Requirements 15 UnFon ned SpaFe 16 Con ned SpaFe 16 VENTING INSTALLATION 16-19 Venting 16 BarometriF Draft Control Assembly 16 Fresh Air Opening for Con ned SpaFes 17 Outdoor Air Through Two Openings 17 Outdoor Air Through One Opening 17 Outdoor Air Through Two Horizontal DuFts 17 Outdoor Air Through Two VertiFal DuFts 183 SAFE INSTALLATION, USE AND SERVICEThe proper installation, use and serviFing of this WATER heater is extremely important to your safety and the safety of others Many safety-related messages and instruFtions have been provided in this manual and on your own WATER heater to warn you and others of a potential injury hazard Read and obey all safety messages and instruFtions throughout this manual It is very important that the meaning of eaFh safety message is understood by you and others who install, use, or serviFe this WATER heater All safety messages will generally tell you about the type of hazard, what Fan happen if you do not follow the safety message.

5 And how to avoid the risk of injury The California Safe Drinking WATER and ToxiF EnforFement AFt requires the Governor of California to publish a list of substanFes known to the State of California to Fause FanFer, birth defeFts, or other reproduFtive harm, and requires businesses to warn of potential exposure to suFh substanFes WARNING: This produFt Fontains a FhemiFal known to the State of California to Fause FanFer, birth defeFts, or other reproduFtive harm This applianFe Fan Fause low level exposure to some of the substanFes listed in the AFt DANGERWARNINGCAUTIONCAUTIONDANGER indicates an imminentlyhazardous situation which, if not avoided,will result in injury or is the safety alert symbol.

6 It is used to alert you topotential personal injury hazards. Obey all safetymessages that follow this symbol to avoid possibleinjury or indicates a potentially hazardoussituation which, if not avoided, could resultin injury or indicates a potentially hazardoussituation which, if not avoided, could result inminor or moderate used without the safety alertsymbol indicates a potentially hazardoussituation which, if not avoided, could result inproperty : ASME FonstruFtion is optional on the WATER HEATERS Fovered in this manual Low Lead Content4 GENERAL SAFETY INFORMATIONFire or Explosion HazardRead instruction manual beforeinstalling, using or servicingwater all ignition sources if you smell not store or use gasoline or other flammable vapors andliquids in the vicinity of this or any other only the gas shown on the WATER heater rating ignition sources away from faucets after extendedperiods of required clearances to not expose WATER heater controls to excessive Damage HazardAll WATER HEATERS eventually leak.

7 Do not install without adequate drainage. CAUTIONFire and Explosion HazardLeak test before placing thewater heater in gas piping and maingas shutoff valve before sediment trap inaccordance with NFPA joint compound or Teflon tapecompatible with propane off power to the WATER heaterbefore performing any Shock Hazard Label all wires prior to disconnectingwhen performing service. Wiring errorscan cause improper and dangerousoperation. Verify proper operation after servicing. Failure to follow these instructions canresult in personal injury or death. Fire Hazard For continued protection againstrisk of fire: Do not install WATER heater oncarpeted floor. Do not operate WATER heater ifany part has been exposed to flooding or WATER and Explosion HazardTurn off gas lines during a qualified installer or servicetechnician for installation and gas pressure to gas valve cancause serious injury or not use WATER heater with any gasother than the gas shown on the ratinglabel.

8 Jumping out control circuits or components canresult in property damage, personal injury or should only be performed by a qualified servicetechnician using proper test equipment. Altering the WATER heater controls and/or wiring in any waycould result in permanent damage to the controls or waterheater and is not covered under the limited warranty. Any bypass or alteration of the waterheater controls and/or wiring will resultin voiding the WATER heater the WATER heater controls and/or wiring in any waycould result in altering the ignition sequence allowing gas toflow to the main burner before the hot surface igniter is atignition temperature causing delayed ignition which cancause a fire or explosion. 5 PRECAUTIONSDO NOT USE THIS WATER HEATER IF ANY PART HAS BEEN E.

9 POSED TO FLOODING OR WATER DAMAGE Immediately Fall a qualified serviFe teFhniFian to inspeFt the WATER heater and to make a determination on what steps should be taken next If the unit is exposed to the following, do not operate heater until all ForreFtive steps have been made by a qualified serviFe teFhniFian 1 External re 2 Damage 3 Firing without WATER GROUNDING INSTRUCTIONSThis WATER heater must be grounded in aFFordanFe with the National EleFtriFal Code and/or loFal Fodes These must be followed in all Fases This WATER heater must be FonneFted to a grounded, permanent wiring system or an equipment grounding FonduFtor must be run with the FirFuit FonduFtors and FonneFted to the equipment grounding terminal or lead on the WATER heater, see Figure 19 HYDROGEN GAS FLAMMABLEE xplosion HazardFlammable hydrogen gasesmay be all ignition sources awayfrom faucet when turning onhot gas Fan be produFed in a hot WATER system served by this WATER heater that has not been used for a long period of time generally two weeks or more Hydrogen gas is extremely ammable To r e d uFe the risk of injury under these Fonditions.

10 It is reFommended that a hot WATER fauFet served by this WATER heater be opened for several minutes before using any eleFtriFal applianFe FonneFted to the hot WATER system If hydrogen is present there will probably be an unusual sound suFh as air esFaping through the pipe as the WATER begins to ow THERE SHOULD BE NO SMOKING OR OPEN FLAME NEAR THE FAUCET AT THE TIME IT IS OPEN GENERAL SAFETY INFORMATIONV erify the power to the WATER heater is turned off before performing any service and understand this instructionmanual and the safety messagesherein before installing, operating orservicing this WATER to follow these instructions andsafety messages could result in deathor serious manual must remain with thewater temperature over 125 F (52 C)can cause severe burns instantlyresulting in severe injury or , the elderly and thephysically or mentally disabled are athighest risk for scald WATER before bathing limiting devices such asmixing valves must be installedwhen required by codes and toensure safe temperatures at HazardOverheated WATER can causewater tank sized temperature andpressure relief valve must beinstalled in the opening SAFETY INFORMATIONI mproper installation, use and service may resultin property damage.