Raypak Versa 105B User's Manual
Contents
1. Hn Fig 9250 16 WIRING DIAGRAM UNITS IGNITION DEVICE ROBERTSHAW aanaddns 0719314 HOLIMS SNVN3MIJ OL 3 094 OO NOISNAL asn4 AO e AN Ad Ad 9 ano e v ya lt qe iL ee i SNVUL 39V110 OPZ OZI O m NOILVH3dO LIOA OV SIL 804 2 n P E 9 LIOA Otc 403 ASNOLOV HOLIMS i pio EA LIAN IH IH SS3ud HOLIMS 1 15 gt OWdSHL Fig 9251 17 SECTION 4 SERVICING INSTRUCTIONS GENERAL LOCATION OF CONTROLS HIGHLIMITS BYPASS VALVE THERMAL FUSE TRANSFORMER IGNITION CONTROL IID BURNERS amp PILOT CONTROLS ADJUSTMENTS REPLACEMENTS TEMPERATURE CONTROLS The water temperature is controlled by the heater thermostat on the upper front panel of the heater The control center contains an On Off toggle switch and a thermostat The switch functions as ameans for turning the heater on or off The thermostat is fitted with a means of limiting the upper temperature limit below the maximum level The knob stop adjustment ring illustrated below is adjust able by loosening the set screw rotating the knobstop ring to the desired location and retightening the set screw Typical Comfortable Typ2. Calculate temperature in hr Filter not running long enough Dirty filter Gas line or meter undersized SOLUTION Locate the restriction and remove Flush system and clean Remove debris or blow out gas line Scale forming in heat exchanger clean heat exchanger and check pool pH and total alkalinity Backwash filter Raise water level Adjust bypass Adjust pressure switch Recommended pH should be between 7 4 and 7 8 total alkalinity 100 150 PPM maximum Hardness 150 400 PPM maximum Reduce by adding manual bypass valve and adjust by putting thermometer in header 1 4 NPT drain opening Set bypass so thermometer reads between 105 and 110 F Refer to installation instructions Follow recommended installation instructions Clean burners Adjust gas pressure Clean pilot Replace pilot Adjust gas pressure Clean burners Replace refractory panels Determine cause of sooting amp correct Heat rise hr __ Heater Output Pool gallonage x 8 33 or refer to heater sizing chart This does not take into account heat loss due to weather Reset time clock Clean filter Refer to installation instructions Usually occurs on initial start up 22 Liming Bypassing too much water Inspect bypass for movement if no movement replace Leaking at well Replace well and maintain water c
3. Stand to the side of the heater and turn the gas control knob counter clockwise to amp On Replace heater door panel Turn On Off switch to the On position Set thermostat to the desired setting TO TURN OFF GAS TO APPLIANCE Set the thermostat to the lowest setting 2 Turn On Off switch to the Off position 3 Remove heater door panel 4 5 Push the gas control knob slightly and turn clockwise to Do not force Replace heater door panel CAUTION Propane gas is heavier than air and will settle on the ground Since propane can accumulate confined areas extra care should be exercised when lighting propane heaters UE OPERATING INSTRUCTIONS AND SHUT OFF PROCEDURES AUTOMATICALLY LIGHTED PILOTS ELECTRONIC IGNITION SYSTEMS This appliance is equipped with an ignition device which automatically lights the pilot Do not try to light the pilot by hand 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 neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department Use only your hand to push in or turn the
4. Combination Valve Pro IID HEAT EXCHANGER Heat Exchanger Assy Complete Inlet Outlet Header Tube Bundle Baffle Kit Bolt Kit Header Gasket 4 Bypass Valve Bypass Spring Well Retaining Clip MISCELLANEOUS COMPONENTS Pressure Switch Thermostat Knob Knob Stop Dial Plate MV Dial Plate 110 Transformer I D Unit Rocker Switch SPST Wire Harness MV Not Shown Wire Harness Not Shown Deliming Kit Not Shown Thermal Fuse altitudes above 2 000 feet above sea level consult the factory 27 OUT DESCRIPTION PART NUMBER 6005258 6005756 002003F 002003F 003901F 003902F Ignition Control IID Nat Ignition Control IID Pro 0048186 Mounting Bracket MV 004907F Pilot Mounting Bracket IID Flue Collector Door Assy Upper Jacket Control Panel Stackless Top Outdoor IDrafthood Indoor Outdoor Stack w Adapter Outdoor Outdoor Stack Nat to Pro MV Units 004915B Pro to Nat MV Units 0049168 Nat to Pro IID Units 004917 Pro to Nat IID Units l _004918F Gas Conversions are to be done only by a qualified agency 28 LIMITED WARRANTY RAYPAK RESIDENTIAL SPA HEATERS GAS MODEL 105 4 GENERAL Raypak Inc warrants that all parts of this product will be free from defects in materials and workmanship under normal use and service for a period of TWO YEARS FROM THE DATE OF ORIGINAL PURCHASE FOR A SINGLE FAMILY RESIDENCE ONE YEAR IF OTHER THAN FOR SINGL
5. gas control knob Never use tools If the knob will not push in or turn by hand do not try to repair it call a qualified service technician Force or attempted repair may result in fire or explosion Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and to re place any part of the control system and any gas control which has been under water OPERATING INSTRUCTIONS STOP Read the safety information above Set the thermostat to the lowest setting Turn off all electric power to the appliance This appliance is equipped with an ignition device which automatically lights the pilot Do not try to light the pilot by hand Remove heater door panel Turn gas control knob clockwise to Off Wait 5 minutes to clear out any gas If you then smell gas STOP Follow B in the safety infor mation previously stated If you don t smell gas go to the next step Turn gas control knob counter clockwise 6 to On Replace heater door panel Turn on all electrical power to appliance Set thermostat to desired setting If the appliance will not operate follow the instructions To Turn Off Gas To Appliance and call your service technician or gas supplier Gas control knob shown in ON position HONEYWELL VR8300 GAS VALVE IID mn m TURN OFF GAS TO APPLIANCE 1 Set the thermostat at
6. EXCLUDED Some states do not allow limitations on how long an implied warranty lasts or for the exclusion 4 4 of incidental or consequential damages so the above limitation or exclusion may not apply to you iid We suggest you immediately complete the information below and retain this Warranty Certificate in the event warranty service is needed Reasonable proof of the effective date of the warranty must be presented otherwise the effective date will be based lt lt upon the date of manufacture plus THIRTY 30 Days iwi This Warranty gives you specific legal rights and you may also have other rights which vary from state to state Name of Owner Name of Dealer Address Address Model No Serial No Date of Purchase RAYPAK INC 31111 Agoura Road Westlake Village CA 91361 818 889 1500 FAX 818 889 4522 Litho in U S A 200 Certified Quality System www raypak com Raypak Inc 31111 Agoura Road Westlake Village CA 91361 4699 818 889 1500 FAX 818 889 4522 Raypak Canada LTD 2805 Slough Street Mississauga Ontario Canada L4T 1G2 905 677 7999 FAX 905 677 8036 Raypak Australia Pty Ltd 7 Geddes St Mulgrave Victoria Australia 3170 6139 560 4944 FAX 6139 560 4974 Litho in U S A
7. Heat Pump or an outdoor condensing unit Strong air intake from these equipment can disturb the combustion process and cause damage or personal injury CLEARANCES ALLHEATERS For clearances from combustible surfaces see chart below Clearances from Combustible construction Indoor Installation Drafthood 30 Vent 6 Back 5 Right Side 6 Left Side 6 Floor 0 Outdoor Installation Top Stackless Top unobstructed Back 5 Sides 6 Clearance from Top of Vent Terminal For servicing provide at least 24 in front of the heater for burner tray removal and atleast 18 on the left side of the heater to inspect and delime the heat exchanger OUTDOORHEATERS These heaters are designed certified by A G A for outdoor installation when equipped with the approved top designated for outdoor use WARNING The heater shall not be located in an area where water sprinklers or other devices may cause water to spray through the cabinet louvers and into the heater This could cause heavy internal rusting or damage some electrical components and this would void the warranty Heater with outdoor top Fig 9259 Heaters must not be installed under an overhang of less than three 3 feet from the top of the heater Three 3 sides must be open in the area under the overhang Roof water drainage must be diverted away from the heaters installed under overhangs with the use of gutters The point from
8. Hot Fig 9241 Heater must be electrically grounded and bonded in accordance with local codes or in the absence of local codes with the latest edition of the National Electrical code ANSI NFPA 70 NOTE Input power to the heater 120 240V should be supplied from the load Pump side of time clock or switch Connecting heater to continuous power source will allow Fail indications service and pressure switch when pump is not operating WIRING DIAGRAM MILLIVOLT UNITS HI LIMI HI LIMIT PRESS THERMO MANUAL Je e SWITCH STAT SWITCH THERMAL n FUSE TO FIREMANS SWITCH a FIELD SUPPLIED GENERATOR ALL WIRING IS BLACK 150 C WIRE Fig 9266 WIRING DIAGRAM KEY PINK CONNECTOR BLUE CONNECTOR HIRE NUT Fig 8096 15 WIRING DIAGRAM 1 1 0 UNITS IGNITION DEVICE HONEYWELL BAWA Sv9 gt gt gt NOILYHJdO LIOA OV GIL 804 Otz 403 4 5 qi AYIM 2 061 HOLIMS SNVA3MIJ OL 3504 HOLIMS e ee te IH IH SS3ud 4 HOLIMS 1V1S NOILINSI a 5 TWANVA OWNSHL 39V110A OvZ OZlI M
9. the heater from the carton and if itis damaged reportthe damage to the carrier immediately Onoccasion we shipsome items loose Be sure that you receive the number of packages indicated on the Bill of Lading When ordering parts you must specify model and serial number of heater When ordering under warranty conditions you must also specify date of installation Raypak recommends that this manual be reviewed thoroughly before installing your Raypak pool spa heater If there are any questions that this manual does not answer please contact the factory or your local Raypak representative SECTION 2 GENERAL SPECIFICATION Theheateris interchangeable and can be usedeither indoor or outdoors The appropriate top designated for that type of use is required If desired the top can be changed at alater date to change from outdoor to indoor or vice versa Millivolt heaters contain a self generating electrical system operating between 25 and 75 volts AMBIENT TEMPERATURE RATING OF HEATER COM PONENTS Millivolt Heater with Honeywell Gas Valve 32 F to 175 F Millivolt Heater with Robertshaw Gas Valve O F to 175 F Electronic Ignition Heaters 32 F to 175 F Requires 120V or 240V power supply Ratedinputs suitable for up to 2000 feet elevation For elevations above 2000 feet reduce input 4 for each 1000 feet above sea level as high elevation reduces combus tion performance SECTION 3 INSTALLATION INSTRUCTIONS IM
10. the lowest setting Turn off all the electric power to the appliance if service is to be performed Remove heater door panel 4 Turn gas control knob clockwise to Make sure knob rest against stop 5 Replace heater door panel AFTER START UP Feel the inlet and outlet pipes Outlet pipe should be only slightly warmer than the inlet It should not be hot WARNING Should overheating occur or the gas supply fail to shut off turn off the manual gas control valve to the appliance VISUALINSPECTION With the heater on remove the door and make a visual check of the pilot and burner The flame should be blue with awell defined pattern Fig 8144 1 Fig 8958 PILOT BURNER FLAME A yellow or floating flame indicates restricted air openings or incorrect orifice size Should this occur shut the heater off and contact your installer or gas supplier WATER PRESSURE SWITCH A water pressure switch is provided in the heater to shut off the burners in the eventthat water supply to the heateris interrupted Itis very importantto verify thatthe switch electrically opens and shuts off the gas valve when water flow to the heater is interrupted Otherwise rapid and severe damage will likely occur to the heater The water pressure switch should be checked and adjusted for proper operation by a qualified service person at the time of installation and periodically checked thereafter Refer to pressure swit
11. the pilot and main burners upon a call for the heat The heater is supplied with a dual voltage trans former for 120V or 240V input power hookup NOTE D Propane Units Only Heateris equipped with an electronic ignition device with a 100 safety lockout feature If the heater fails to start or lockout Reset the ignition device by interrupting the power to the heater for 60 seconds CAUTION f service replacement ofthe electronic igni tion device is required Replace only with a 100 safety lockout device with 90 second trial for pilot ignition Fig 8085 Robertshaw Intermittent Ignition Device Honeywell Intermittent Ignition Device Fig 8929 1 For 120 V input power to the unit connect the black wire to the L1 or hot leg of the power supply Connect the white wire to the L2 or neutral leg of the power supply Attach the wire nut to the red wire There should be no connection to the red wire for 120V operation Red wire ith nut attached White wire Black wire 120 volt hot L1 120 volt neutral L2 Fig 9240 For 240 V input power to the unit connect the black wire to the L1 or hot leg of the power supply Connect the red wire to the L2 or second hot leg of the power supply Attach the wire nut to the white wire There should be no connection to the white wire for 240V operation White wire with nut attached Red wire gt lt 240 volt L2 Hot 240 volt L1
12. where the flue products exit the heater must be a minimum of four 4 feet below four 4 feet horizontally from or one 1 foot above any door window or gravity inlet to a building The top surface of the heater shall be at least three 3 feet above any forced air inlet or intake ducts located within ten 10 feet horizontally Fig 8245 0 HIGH WIND CONDITIONS OUTDOOR UNITS ONLY In areas where high winds are frequent it may be necessary to locate the heater a minimum of 3 from high vertical walls or install a wind break so the heater is not in direct wind current In areas of daily high winds it may be necessary to replace the outdoor stackless top with a stack adapter in combination with a wind resistant weather proof outdoor stack See illustration below The outdoor stack serves the same function as the low profile stackless top and should be installed in accordance with the same clearance requirements OUTDOORSTACK STACK ADAPTER Fig 9253 INDOORHEATERS The design is certified by A G A for indoor installa tion when equipped with the approved draft hood Locate heater as close as practical to a chimney or gas vent Heater must always be vented to the outside See Vent Piping Section for venting details Minimum allow able space is shown on the nameplate INDOORTOP Fig 9254 COMBUSTION AIR INDOOR UNITSONLY Air For combustion And Ventilation Indoor Units Only The heater must have both c
13. CATALOG NO 6100 60A Effective 10 1 99 Replaces 6 15 99 OPERATING AND INSTALLATION INSTRUCTIONS Model 105B Cast Iron VERSA ABOVE GROUND POOL and SPA HEATER Fig 9258 WARNING If the information in these instructions are not followed exactly a fire or explosion may result causing property damage personal injury or death Installation and service must be performed by a qualified installer service agency or the gas supplier FOR YOUR SAFETY Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS 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 cannot reach your gas supplier call the fire department This manual should be maintained in legible condition and kept adjacent to the heater or kept in a safe place for future reference 8 i i j E Part No 240776 Contents PART ONE Owner s Operating Instructions SECTION 1 START UP PROCEDURES Before Start Up Lighting Instructions amp Shut Off Procedures manually lighted pilot MV Operating Instructions amp Shut Off Procedures automatically lighted pilot 10 After Start Up SECTION 2 CAUTION SECTION 3 MAINTENANCE amp CARE PROCEDURES Pool amp S
14. E FAMILY RESIDENCE USE In accordance with the terms of this warranty we will furnish a a Raypak replacement for any defective part or repair the part at our option The replacement or repair will be warranted for only zz the unexpired portion of the original warranty Labor costs for removal or reinstallation of parts are not covered by this warranty nor are shipping charges to or from Raypak s designated repair center This warranty does not cover rusting or corrosion on cabinet or burners that does not affect heater s operation WARRANTY CONDITIONS This warranty applies only to the heater at its original place of installation This warranty will be void if the heater is installed in a violation of applicable local codes and ordinances or if the rating plate or serial number is altered or removed WARRANTY EXCLUSION This warranty does not cover defects or malfunctions resulting from Failure to properly install operate or maintain the heater in accordance with our printed instructions Abuse alteration accident fire flood freeze and the like Misuse or neglect including but not limited to freeze ups operating the heater with the cabinet door off having flow 2 restrictions or obstructions between the heater outlet and the spa or not maintaining a proper chemical balance PH level must be between 7 4 and 7 8 and total alkalinity between 100 and 150 PPM Total dissolved solids TDS s must b
15. PORTANT NOTICE These instructions are intended for the use of qualified personnel only specifically trained and expe rienced in the installation of this type of heating equip ment and related system components Installation and service personnel may be required by some states to be licensed If your state is such be sure your contractor bears the appropriate license Persons not qualified shall not attempt to fix this equipment nor attempt repairs according to these instructions WARNING mproper installation adjustment altera tion service or maintenance may damage the equip ment create a hazard resulting in asphyxiation explo sion or fire and will void warranty CODE REQUIREMENTS NOTE The heater should not be located in an area where possible water leakage will result in damage to the area adjacent to the appliance or to the structure When such locations cannot be avoided it is recom mended that a suitable drain pan adequately drained be installed under the appliance The pan must not restrict combustion air flow Installation must in accordance with local codes or in the absence of local codes with the latest editions of the National Fuel Gas Code ANSI Z223 1 and the National Electrical Code ANSI NFPA 70 BASE INSTALLATION Heater must be mounted on a level surface It can be installed on combustible flooring Heaters must not be installed on carpeting WARNING Do not install within 3 feet of a
16. ace and at least two feet higher than any part of the building within ten feet Vent stack shall be at leastfive feet in vertical height above the draft hood outlet The vent cap location shall have a minimum clearance of 4 feet horizontally from and inno case above or below unless a 4 foot horizontal distance is maintained from electric meters gas meters regula tors and relief equipment The weight of the vent stack or chimney must not rest on heater draft hood Support must be provided in compliance with applicable codes The heater top and draft hood must be readily removable for maintenance and inspection Vent pipe should be adequately sup ported to maintain proper clearances from supported to maintain proper clearances from combustible construc tion Type B double wall or equivalent vent pipe is recommended However single wall metal vent pipe may be used as specified in the latest edition of the National Flue Gas Code ANSI Z 223 1 11 10 OR LESS VENT CAP VENT PIPE DRAFTHOOD HEATER Fig 8119 1 GAS SUPPLY CONNECTIONS Gas piping must have sedimenttrap ahead of the heater gas controls and a manual shut off valve located outside the heater jacket All gas piping should be tested after installation in accordance with local codes Manual Shut Off N Sediment Trap CAUTION The heater and its manual shut off valve must be disconnected from the gas supply during any pressure testing of that s
17. censed Persons not qualified shall not attempt to install this equipment nor attempt repairs according to these instructions MECHANICAL FOR QUALIFIED SERVICE PERSONNEL ONLY PROBLEM Harmonics or whining noise Heater going on and off continously Liming or scale forming on heat exchanger Sooting Pilot outage Yellow lazy flame Outer jacket very hot paint blistered Takes long time to heat pool or spa CAUSE Debris or restriction in system Debris in gas Low flow aree Dirty fter Low water level in pool External bypass setting out of 2 2222 Pressure switch out of 22 2 High flow Improper Insects or debris clogging burner intake Low gas Restricted pilot Weak pilot generator Low gas Insects or debris clogging burner intake Broken refractory caused by shipping damage or improper Excessive sooting of heat
18. ch servicing instruction in Section 4 of this manual WARNING Operation ofthe heater without water circu lation will cause rapid and severe damage to the heater SECTION 2 CAUTION Elevated water temperature can be hazardous and the U S Consumer Product Safety Commission recommends the following guidelines 1 Spaorhottub water temperatures should never exceed 104 F 40 C A temperature of 100 F 38 C is considered safe for a healthy adult Special caution is suggested for young children 2 Drinking of alcoholic beverages before or during spa or hot tub use can cause drowsiness which could lead to unconsciousness and subse quently result in drowning 3 Pregnant women beware Soaking in water over 102 F 39 can cause fetal damage during the first three months of pregnancy resulting in the birth of a brain damaged or deformed child Pregnant women should stick to the 100 F 38 C maximum rule 4 Before entering the spa or hot tub users should check the water temperature with an accurate thermometer spa or hot tub thermostats may err in regulating water temperatures by as much as four degrees Fahrenheit 2 2 C 5 Persons with a medical history of heart disease circulatory problems diabetes or blood pres sure problems should obtain a physician s advice before using pools or hot tubs 6 Persons taking medications which induce drowsiness such as tranquilizers antihista mines or anticoagulants s
19. e lit BURNER DRAWER REMOVAL Shut off main electrical power switch to heater Shut off gas upstream of heater Remove front door Disconnect gas line from gas valve Remove 2 screws that mount burner tray to unit Disconnect wires that terminate at gas valve Slide out burner tray Reverse above procedure to reinstall ONO PRON gt GAS VALVE REMOVAL 1 Remove burner tray See burner tray removal procedure Disconnect pilot tubing from gas valve Remove gas valve with manifold from burner tray Remove manifold from gas valve Reverse above procedure to re install MAIN BURNER AND ORIFICE REMOVAL 1 Remove burner drawer See burner drawer re moval procedure 2 Remove screws and burner hold down bracket NOTE f the heat exchanger is sooted badly the burner hold down bracket and spacer can become distorted from direct flame impingement and this usu ally necessitates replacement of these parts 3 Lift burners from slotted spacers and slide from orifices Clean with a wire brush 4 Orifices usually do not need to be replaced To clean run either copper wire or wood toothpick through orifice Do not enlarge hole To remove orifice use a socket wrench and remove from manifold DO NOT overtighten when reinstalling PILOT REMOVAL AND CLEANING 1 Remove burner drawer See burner drawer re moval procedure Disconnect pilot tubing disconnect wires from gas valve Disconnect pilot bracke
20. e no greater than 3000 PPM 244 Use of non factory authorized accessories or other components in conjunction with the heater 34 HOW TO MAKE CLAIM 4 Immediately notify the dealer from whom the heater was purchased supplying model and serial numbers of the unit date of lt 4 purchase and a description of the problem The dealer should then promptly contact Raypak about the warranty claim and for 2727 F ad the location of Raypak s nearest designated repair center If the dealer for any reason is not available call or write Raypak directly at the address shown below Attention Warranty Service After such notification has been given and Raypak has advised A location of its designated repair center which may be the dealer bring or ship transportation prepaid the defective part for E 4 replacement or repair to the designated repair center However Raypak reserves the right at all times to inspect the claimed defect 4 and verify warranty coverage at its factory 1 MISCELLANEOUS 41 No one is authorized to make any other warranties on our behalf ANY IMPLIED WARRANTIES INCLUDING MERCHANTABIL fez 2r2 OR FITNESS FORA PARTICULAR PURPOSE SHALL NOT EXTEND BEYOND THE APPLICABLE WARRANTY PERIODS SPECIFIED ABOVE RAYPAK S SOLE LIABILITY WITH RESPECT TO ANY DEFECT SHALL BE AS SET FORTH IN THIS WARRANTY AND ANY CLAIMS FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES INCLUDING DAMAGE FROM WATER zg LEAKAGE ARE
21. fire check the following 3 The time clock must be moved to the ON position 4 Your pump strainer basket may be full If so remove debris 5 your filter may be dirty If so backwash or clean filter To tell if your filter is dirty the gauge pressure will be higher than usual 6 The pump amy have lost it s prime It may running dry check the pressure gauge on the filter If there is no pressure then you are not moving water or your gauge is broken Try to get the pump to run at it s normal flow rate POOL amp SPA WATER CHEMISTRY Chemical imbalance can cause severe damage to your heater and associated equipment Maintain your water pH between 7 4 and 7 8 and total alkalinity between 100 and 150 p p m If the mineral content and dissolved solids in the water become too high scale forms inside the heat exchanger tubes reducing heater efficiency and also damaging the heater If the pH drops below 7 2 the heater will be severely dam aged This will result in corrosion of the heat ex changer Heat exchanger damage resulting from chemical imbalance is not covered by the war ranty COLDWEATHER OPERATION MODERATE CLIMATE Heater operation can con tinue during short term cold spells When tempera tures are below freezing flow continuous pump op eration must be maintained CAUTION Do not use the heater to maintain water temperatures just above freezing or for freeze protec tion When heaters are used dur
22. flame covers flame rod and is steady and blue If checks are okay replace module CALL FOR HEAT ENDS Check for proper thermostat controller operation SYSTEM SHUTS OFF Remove MV lead at module if valve closes recheck temperature controller and YES wiring if not replace gas valve TROUBLESHOOTING ENDS Repeat procedure until trouble free operation is obtained 24 SECTION 6 REPLACEMENT PARTS LIST NOTE To supply the correct part itis important that you state the model number serial number and type of gas when applicable Any part returned for replacement under standard company warranties must be properly tagged with RAYPAK return parts tag completely filled in with the heater serial number model number etc and shippedto the Company Freight Prepaid If determined defective by the Company and within war ranty the part will be returned in kind or equal substitution freight collect Credit will not be issued Raypak Inc 31111 Agoura Road Westlake Village CA 91361 4699 25 D zi 7 Y a Il Fig 8132 OUT DESCRIPTION PART NUMBER BURNER TRAY Burner Tray w Burners Sea Level 004899F Burner 301210 8 Burner Orifice Nat 51 Level 350080 8 350350 8 C CONTROLS 1 C High Limit 135 F 2 C Thermostat Control G GAS VALVE Combination Valve Mat MV Combination Valve Pro MV Combination Valve Mat IID
23. hemistry properly Leaking at heat exchanger Replace heat exchanger and maintain chemistry properly Gasket brittle and leaking Heater running after pump overheated shuts Off See pressure switch adjustment Refractory damage Replace refractory Sooted Determine cause of sooting and correct ELECTRICAL MILLIVOLT RAYPAK POOL OR SPA HEATER ELECTRICAL CHECK WITH MV GAS VALVE CAUTION For qualified service personnel only Filter must be on with adequate water flow through heater Gas valve must be ON position Thermostat set higher than pool water temperature Jumpers are for temporary check only If left in place they could cause the heater to burn up Light pilot If pilot burner goes out If pilot burner when main burner lights does not light or when gas valve knob Jump across both TH is released Check gas supply gas wires on gas valves line size gas pressure Also check for insects If main burner fires If main burner does not remove jumper fire remove jumper Remove both TH or debris in pilot output wires from gas valve Jump across pressure switch terminals If pilot burner remains lit Relight pilot If burner does not remain lit attach millivolt meter If main burner fires If main burner does not and read pilot output remove jumper fire remove jumper Problem
24. hould not use spas or hot tubs SECTION 3 MAINTENANCE AND CARE PROCEDURES To be followed one month after start up and then semi annually 1 Inspect top of heater and draft hood for soot a sticky black substance around finned tubes baffle and open flue gas passageways CAUTION Soot may be combustible Wet sooted surfaces completely prior to cleaning Do not use steel wire brush 2 Clean main burners and pilot burner of dust and lint 3 Inspect and operate all controls gas valve and pressure relief valve 4 Make visual check of the burner and pilot flame Flame pattern on the main burner and pilot is indicated in the previous illustration Yellow flame means restriction of the air openings Lifting or blowing flame indicates high gas pressure Low flame means low gas pressure Should this occur shut the heater off and contact your gas supplier or qualified service agency 5 On indoor heaters clean room intake openings to assure adequate flow of combustion and ventilation air CAUTION Combustion air must not be contaminated corrosive chemical fumes which can damage the heater 6 Keep area around heater clear and free from combustible materials and other flammable and corrosive vapors and liquids BASIC TIPS IF HEATER WILL NOT FIRE 1 If you have no electrical power it may be your circuit breakers have tripped Try re setting them 2 if you have electrical power but the heater will not
25. ical 51 P Pool Comfortable Temperature Spa 6 Temperature a Range Knobstop Ring Set Screw 18 MANUAL THERMOSTAT MANUAL SWITCH PRESSURE SWITCH Fig 9252 GAS VALVE PRESSURE SWITCH The pressure switch or heater actuator insures that the heater operates only when the filter pump is in operation It is factory set at 1 75 PSI for deck level installations When the heater is located below the level of the spa or pool it may be necessary to reset the pressure switch to compensate for the no flow static head If itis necessary to reset the pressure switch we recommend the following procedure see next page please PRESSURE SWITCH ADJUSTMENT 1 With pump and heater on turn adjustment knob clockwise until a click is heard from the gas valve 2 Turn adjustment knob counter clockwise 1 4 turn 3 Turn pump off and on several times Heater should shut off immediately If it does not repeat steps above until proper adjustment is made Adjustment Knob Heat Exchanger Height Pool or Spa Heat Exchanger Height Fig 8152 0s NOTE f heater is installed outside of the limits shown a flow switch must be used in place of the pressure switch when mounted and wired adjacent to the heater TWO SPEED PUMPS In some cases the flow on the low speed is insuf ficient to operate the heater This is apparent when the pressure switch cann
26. ing freezing weather care must be taken to avoid freeze ups Continuous pump operation is a must Additional protection may be required The heater is not warranted against freeze ups COLD CLIMATE Prolonged operation with water temperatures below 50 F is not recommended When starting the heater with pool temperatures below 50 F operate the heater continuously until higher tempera tures are reached Operating the heater for prolonged periods with pool water below 50 can seriously dam age the heater and is not covered by the warranty For cold climate areas please follow the winterizing procedures listed below WINTERIZING THE SPA HEATER When heaters installed outdoors in freezing cli mate areas are to be shut down for the winter observe the following step by step procedure 1 Turn off gas valve manual gas valve and electrical supply to the heater 2 Open drain cock located on the inlet outlet header under water pipes Remove drain changer inspection panels on the side opposite water piping to gain access to the plug on the return header ge A A e E i T XU HAL Fig 9249 DRAIN COCK IN OUT HEADER PART 2 INSTALLATION SERVICE INSTRUCTIONS SECTION 1 RECEIVING EQUIPMENT On receipt of your equipmentitis suggested that you visually check for external damage to the carton If the carton is damaged a note should be made on the Bill of Lading when signing for equipment Remove
27. is a wire or component short to If above 500mV cabinet or low gas Clean filter Jump across thermostat pressure replace gas valve If below 500mV check gas pressure Also check Check for adequate water flow from filter for insects or debris in If main burner does the pilot burner Replace pressure switch NOT fire If output is still low If main burner fires Jump across each high replace pilot generator remove jumper limit and remove jumper Replace high limit that caused heater to fire N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N m WARNING HIGH VOLTAGE For qualified Technicians ONLY NA NOTE Some heaters may be equipped with Intermittent Pilot System an ignition module that shuts off pilot gas if TROUBLESHOOTING HONEYWELL S8600 pilot fails to light To reset interrupt power to ter ELECTRICAL ELECTRONIC IGNITION IID SSSSSSSSSSSY VL mN SSSSS ASSSSSSSSSSSS START NOTE Before troubleshooting familiarize yourself with the start up and checkout TURN GAS SUPPLY OFF orocedure TURN THERMOSTAT CONTROLLER TO CALL Check line voltage power low voltage transformer limit controller thermostat FOR HEAT controller and wiring POWER TO MODULE YES SPARK ACROSS YES YES Check ignition cable ground wiring ceramic insu
28. king pipe connections It is prefer able however to remove both headers for better visibil ity through the tubes and to be sure the ground up lime dust does not get into the system Note that you do not remove the top panel or the heat exchanger generally After reaming mount the wire brush in place of the auger and clean out debris remaining in the tubes Another method is to remove the heat exchanger ream tubes and immerse heat exchanger in non inhib ited de scale solvent for severe scale build up TUBE REPLACEMENT PROCEDURE On Raypak units tube replacement may be ef fected without rolling as a temporary means of repair providing there are two or more tubes rolled in to act as stays on the left and right sides The O rings should provide a seal up to 125 PSI working pressure Use 3 8 heavy duty reversible drill motor or large to power the tube roller If a reversible drill is not available after rolling the tube in remove the drill motor and wrench out the roller A tube roller is available from the factory Shut gas and power off to the unit close the system off and drain the heater Remove the draft diverter Remove the access panel and jacket top Lift flue collector off Remove V baffles over tube s to be replaced If no pipe unions have been provided use the header as a union remove the flange nuts off the inlet outlet header break gas connection and slide heater away from piping to allow room to work Pull
29. lator and gap and correct Check boot of the ignition cable for signs of melting or buckling Take protective action to shield cable and boot from excessive temperatures Check that all manual gas valves are open supply tubing and pressures are good and pilot burner orifice is not blocked YES Check electrical connections between module and pilot operator on gas control Check for 24 Vac across PV MV PV terminals on module If voltage is okay replace gas control if not replace module NOTE If S8600H goes into lockout reset system Lockout is used on L P G models SPARK STOPS WHEN Check continuity of ignition cable and ground wire PILOT IS LIT Clean flame rod YES Check electrical connections between flame rod and module Check for cracked ceramic flame rod insulator Check that pilot flame covers flame rod and is steady and blue Adjust pilot flame If problem persists replace module Check for 24 Vac across MV MV PV terminals If no voltage replace module MAIN BURNER LIGHTS Check electrical connections between module and gas control If okay replace YES gas valve or gas control operator i e pilot gas valve flow switch etc NOTE IF S8600H goes into lockout reset system SYSTEM RUNS UNTIL CALL FOR HEAT ENDS Check continuity of ignition cable and ground wire YES NOTE If ground is poor or erratic shutdowns may occur occasionally even though operation is normal at the time of checkout Check that pilot
30. n DRAFTHOOD MOUNTING P SCREWS 8 JACKET TOP Fig 9257 10 VENT PIPING WARNING ndoor boilers require a draft hood that must be connected to a vent pipe and properly vented to the outside Failure to follow this procedure can cause fire or fatal carbon monoxide poisoning Vent piping the same size or larger than the draft hood outlet is recommended however when the total vent height is at least ten 10 feet draft hood relief opening to vent terminal the vent pipe size may be reduced as specified in Part 11 of the National Fuel Gas Code ANSI 2 2231 As much as possible avoid horizontal runs of vent pipe and too many elbows If installation requires horizontal runs the vent pipe must have a minimum of 1 4 inch per foot rise and should be supported at not less than five foot intervals Plumbers tape crisscrossed will serve to space both horizontal and vertical piping Gas vents supported only by the flashing and extending above the roof more than five feet should be securely guyed or braced to withstand snow and wind loads We recommend use of insulated vent pipe spacer through the roofs and walls For protection against rain or blockage by snow the vent pipe must terminate with a vent cap which complies with the local codes or inthe absence of such codes to the latest edition of the National Fuel Gas Code ANSI 2223 1 The discharge opening must be a minimum of two feet vertically from the roof surf
31. n obstruct the flow of combustion and ventilating air Fig 9258 CAUTION Propane gas is heavier than air and will settle on the ground Since propane can accumulate in confined areas extra care should be exercised when lighting propane heaters LIGHTING INSTRUCTIONS AND SHUT OFF PROCEDURES MANUALLY LIGHTED PILOTS MILLIVOLT SYSTEM A This appliance has a pilot that must be lighted by hand When lighting the pilot follow these instructions exactly BEFORE LIGHTING smell all around the ance 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 neigh bor s phone Follow the gas supplier s instruc tions If you cannot reach your gas supplier call the fire department C Use only your hand to push in or turn the gas control knob Never use tools If the knob will not push in or turn by hand do not try to repair it Call a qualified service technician Force or attempted repair may result in a fire or explosion Do not use this appliance if any part has been underwater Immediately call a qualified service technician to inspect the appliance and to re place any part of the control system and any gas control which has been
32. ombustion and venti lation air Minimum requirements for net free air supply openings one 12 inches from ceiling for ventilation and one 12 inches from the floor for combustion air as outlined inthe latest edition of the National Fuel Gas Code 7223 1 and any local codes that may have jurisdiction CAUTION Combustion air must not be contaminated by corrosive chemical fumes which can damage the heater a All Air From Inside The Building Each opening shall have a minimum of 105 net free square inches b All Air From Outdoors When air is supplied directly from outside of building each opening shall have a minimum of 27 net free square inches VENTING CONNECTIONS VENT TERMINAL Outdoor STACKLESS TOP STEP 1 Remove the 4 screws which fasten jacket top to heater STEP 2 Lower outdoor top onto unit lining up slots in outdoor top with screw holes in jacket top STEP 3 Reinstall 4 screws to secure jacket top and outdoor top to unit OUTDOORTOP JACKET TOP MOUNTING SCREWS 4 Fig 9255 VENTTERMINAL Outdoor OUTDOORSTACK STEP 1 Line up 8 holes in jacket top with 8 holes in adapter assembly STEP 2 Lower entire outdoor stack assembly on to jacket top STEP 3 Securewith fasteners provided OUTDOOR STACK W ADAPTER MOUNTING 9 SCREWS 8 JACKET TOP Fig 9256 VENT TERMINAL Indoor Locate and assemble as shown Secure with screws supplied in envelope inside carto
33. ot be further adjusted or if the heater makes banging noises In these cases the pump must be run at high speed when heating the water CAUTION Do not operate the heater without the func tion of a properly adjusted pressure switch 19 HIGH LIMITS The heater is equipped with two automatic high limits Both are set to open at 135 F NOTE An erratic high limit is often characteristic of internal heat exchanger problem i e scale buildup Refer to troubleshooting section Fig 2009 HIGH LIMIT REMOVAL 1 Shut off main electrical power switch to heater 2 Removeinspection panel 3 Remove defective high limit and replace with a new high limit 4 Replaceinspection panel PILOT SAFETY PILOT SAFETY Millivolt System The heaters equipped with the standing pilot millivolt system have pilot generators which act as a safety device to shut off the flow of gasto the main burners and the pilot burner in case the pilot flame is extinguished The pilot burner must be manually relighted to place the heater in operation again Refer to the lighting instruc tions provided on the heater label PILOT SAFETY IID Units ELECTRIC IGNITION The heater employs a pilot safety which closes the main gas valve within 8 1 0ths of a second whenever the pilot flame is interrupted Pilot flame is automatically lit when the device is powered Unit performs its own safety check and opens the main valve only after the pilot is proven to b
34. pa Water Chemistry Winterizing the Pool and Spa Heater PART TWO Installation Service Instructions SECTION 1 RECEIVING EQUIPMENT SECTION 2 GENERAL SPECIFICATIONS SECTION INSTALLATION INSTRUCTIONS Code Requirements Base Installation Clearances Combustion Air Venting Connections Gas Supply Connections Plumbing for Water Connections Electrical Wiring SECTION 4 SERVICING INSTRUCTIONS General Location of Controls Control Adjustments Replacements Pressure Switch High Limit Pilot Safety Burner Drawer Removal Gas Valve Removal Main Burner amp Orifice Removal Pilot Removal amp Cleaning Heat Exchanger Removal Tube Cleaning Procedure Tube Replacement Procedure Desooting Procedure Combustion Chamber Removal SECTION5 TROUBLESHOOTING GUIDE Mechanical Electrical MV Units Electrical IID Units SECTION6 REPLACEMENT PARTS PART ONE OWNER S OPERATING INSTRUCTIONS FOR YOUR SAFETY READ BEFORE OPERATING WARNING IF YOU DO NOT FOLLOW THESE INSTRUCTIONS EXACTLY A FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE PERSONAL INJURY OR LOSS OF LIFE SECTION 1 START UP PROCEDURES BEFORE START UP BURNERS WATER Clean main burners and air louvers of dust lintand First thing insure that system is filled with water and debris Keep heater area clear and free from com _ havepumpoperating Water mustbe flowing through the bustibles flammable liquids and chemicals Do not heater during operatio
35. re or counter clockwise amp 7 to decrease pressure ROBERTSHAW MV Gas Pressure Adjustment Fig 9263 HONEYWELL VALVE MV Gas Pressure Adjustment Fig 9265 HONEYWELLIID VR 8300 GAS VALVE Gas Pressure Adjustment EOM Fig 9264 PLUMBING FOR WATER CONNECTIONS LOCATION The VERSA heater requires water flow and positive pressure to fire and operate properly It musttherefore be installed downstream of the discharge side of the filter pump A typical installation is plumbed as follows 1 The inlet side of the filter is plumbed directly to the discharge side of the filter pump 2 The outlet side of the filter is then plumbed to the inlet of the heater and 3 The outlet of the heater is plumbed to the return line to the pool or spa The pump filter and heater are thus plumbed in series Plumbing from the heater back to the pool must not have any valves or restriction that could prevent flow when the pump is operating To do so will void the warranty FLOW RATES MIN GPM 20 MAX GPM 115 When flow rates exceed 115 GPM an external auxiliary bypass valve is required See External auxiliary bypass valve section for details CAST IRON HEADER The inlet outlet header accepts a 1 1 2 pipe thread The header will accept either copper and galvanized pipe or CPVC adapters CAUTION Neverinstall PVC directly in header flanges The initial connection must be made with a higher temperature mate
36. rial such as CPVC or Copper PVC may be utilized immediately after the initial connection INLET OUTLET HEADER M rs Ve Ee Y INOUT 6 HEADER 11 2 wi INLET OUTLET CONNECTIONS Fig 9249 AUTOMATIC CHLORINATORS AND CHEMICAL FEEDERS All chemicals must be introduced and completely diluted into the pool orspa water before being circulated through the heater Do not place chlorine tablets or bromine sticks in the skimmer High chemical concen trations will result when the pump is not running i e overnight Chlorinators mustfeed downstream ofthe heater and haveananti siphoning device to prevent chemical back up into the heater when the pump is shut off NOTE High chemical concentration from feeders and chlorinators that are out of adjustment will cause very rapid corrosion to the heat exchanger in the heaters Such damage is not covered under the warranty INTERNAL AUTOMATIC BY PASS VALVE A built in automatic by pass valve is provided in the in out header The internal by pass valve automatically responds to changes in water pressure in the piping system Proper amount of water flow is maintained through the heater under varying pressures dictated by the conditions of the pump and filter Fig 8078 0 EXTERNAL AUXILIARY BYPASS VALVE Where required An auxiliary bypass valve should be used when flow rates exceed 115 GPM usually a high performance pump size larger than 2 HP will exceed
37. t from burner shield Remove pilot from bracket Remove pilot orifice and air opening Honeywell MV unit only and clean with wire or small brush CAUTION DO NOT enlarge hole in pilot orifice Reverse above procedure to re install ok 20 Pilot Orifice Fig 8045 1 HONEYWELL PILOT Fig 8102 05 ROBERTSHAW PILOT HEAT EXCHANGER REMOVAL 1 Shutwater gas and electricity off close valves and relieve pressure 2 Drain heat exchanger 3 Loosen and remove flange bolts 4 Remove flange and inlet outlet pipes from the header Remove outdoor stackless top or indoor stack top from unit Remove jacket top flue collector and baffles Remove upper front jacket panel and disconnect wires at toggle switch Remove capillary bulb from inlet outlet header Disconnect press switch tube from return header Disconnect hi limit wire from thermostat and pres sure switch Lift heat exchanger straight up from combustion chamber using caution not to damage refractory Reverse above procedure to re install 11 12 a Extension Pieces 2 Auger with Carbide Tip Fig 8154 0 Wire Brush TUBE CLEANING PROCEDURE Establish a regular inspection schedule frequency depending on local water condition and severity of service Do not let the tubes clog up solidly Clean out deposits over 1 16 in thickness The heater may be cleaned from the return header side without brea
38. this flow rate This valve is required to complement function of the automatic bypass valve particularly when starting the heater in winter or early spring when the spa or pool temperature is down below 55 F It also serves to eliminate needless pressure drop through the heater and accompanying reduction in the flow rate to the spa jets etcetera From Heater To Heater M t To Pool From Pool Auxiliary Bypass Valve do not use gate valve Fig 8150 AUXILIARY BYPASS VALVE ADJUSTMENT To set bypass With clean filter adjustment is made by feeling the inlet and outlet pipes at the heater Outlet pipes should be slightly warmer than inlet and comfort able to the touch If pipe is hot close bypass if cold open bypass 13 ELECTRICAL WIRING NOTE f it is necessary to replace any of the original wiring it must be replaced with 105 C wire or its equivalent except all black wire must be replaced with 150 C wire or its equivalent MILLIVOLT SYSTEM The Millivolt System Residential Heater is equipped with a self generating electrical system in which the electric currentis provided by means of apilot generator No external electrical connections are required ELECTRONICINTERMITTENT IGNITION DEVICE SYSTEM IID NOTE When the electrical hookup to the heater requires both 24V and 115V or 240V each input voltage must be isolated in separate conduit The Electronic Intermittent Ignition Device automati cally lights
39. ube Apply line pressure test and re roll if necessary before re assembly of the heater DESOOTING PROCEDURE CAUTION SOOT IS COMBUSTIBLE EXERCISE EXTREME CARE NEVER USE A WIRE BRUSH Soot can clog areas between fins and cause even tual tube failure Any sign of soot at the base of the burners or around the outer jacket indicates a need for cleaning 1 Disconnect top portion of unit See heat exchanger removal procedure steps 1 through 6 2 Remove burner tray See burner tray removal procedure 3 Take a garden hose and wash heat exchanger making sure soot is removed completely from be tween fins Avoid excessive water against refrac tory NOTE n extreme cases it may be necessary to re move the heat exchanger completely for cleaning The simplest method is steam cleaning at the local car wash DO NOT WIRE BRUSH COMBUSTION CHAMBER REMOVAL 1 Remove heat exchanger See heat exchanger removal procedure Lift up and remove front and rear refractory shield Remove refractory panels 2 3 4 Reverse above procedure to re install Fig 8155 05 Refactory Panel Top View 21 SECTION 5 TROUBLE SHOOTING GUIDE IMPORTANT NOTICE These instructions are primarily intended for the use of qualified personnel specifically trained and experienced in the installation of this type of heating equipment and related system components Installation and service personnel may be required by some states to be li
40. under water ees LIGHTING INSTRUCTIONS STOP Read the safety information above Set the thermostat on the lowest setting Turn On Off switch to the Off position Remove heater door panel Push in gas control knob slightly and turn clock wise to Off NOTE Knob cannot be turned from Pilot to Off unless knob is pushed in slightly Do not force Wait 5 minutes to clear out any gas If you then smell gas STOP Follow B in the safety information above If you don t smell gas go to the next step Locate pilot mounted on the right side panel of the burner drawer For burner drawer location see location of control section page 18 Gas control knobs shown in Off position 1 HONEYWELL GAS VALVE MILLIVOLT Fig 8081 0 ROBERTSHAW GAS VALVE MILLIVOLT Fig 8199 ROBERTSHAW PILOT HONEYWELL PILOT Fig 8084 0 Fig 8083 0 Turn knob on gas control counter clockwise to Pilot Push in control knob all the way and hold in Immediately place flame to pilot to light Continue to hold control knob in for about 1 minute after the pilot is lighted release knob and it will pop back up Pilot should remain lighted If it goes out repeat steps 5 through 9 If knob does not pop up when released stop and immediately call your service technician or gas supplier the pilot does not stay lit after several tries turn the gas control knob to Off and call your service technician or gas supplier
41. wedge clips out of control wells and remove sensing bulbs Remove flange nuts of the return header and remove header Lift heat exchanger straight up and inspect O ring seals at this time Unless severed they are reus able Thetube may be cut outthe a hacksaw or hammer and chisel adjacent to both tube sheets leaving studs in the tube sheets Then proceed to collapse studs in the tube sheets with a chisel or screwdriver Use caution not to cut into the tube sheet Replacement tubes will have the fins stripped off longer on one end The long end is inserted into the opening of the tube sheet first then the short end is fitted through the opposite tube sheet If the tube ends become dented bent straighten at least 4 inches back from the tube and by means of a tapered punch Insert tube roller into tube opening up to stop against tube then push center rod in until roller is tight Be careful to keep replacement tube squared up 1 8 outside each tube sheet A loose tube will sometimes pull toward the roller Attach drill motor to tube roller holding it straight and level Proceed to expand tube until the tool begins to grab At this point 1 2 to 1 should be exposed on the tool shank Reverse drill motor or wrench out by hand Care should be exercised to avoid applying excessive torque during rolling opera tion and to avoid thinning out any part of the tube wall excessively over 015 Use same procedure at the opposite end of the t
42. ystem at test pressures in excess of 1 2 psig 3 45 KPA Dissipate test pressure in the gas supply line before reconnecting the heater and its manual shut off valve to gas supply line FAILURE TO FOLLOW THIS PROCEDURE MAY DAMAGE THE GAS VALVE OVER PRES SURED GAS VALVES ARE NOT COVERED BY WARRANTY The heater and its gas connections shall be leak tested before placing the appliance in operation Use soapy water for leak test Do NOT use open flame Fig 8156 1 NOTE Donotuse teflon tape on gas line pipe thread A flexible sealant is recommended A minimum of 7 W C and a maximum of 14 W C upstream pressure under load and no load conditions must be provided for natural gas or a minimum of 12 W C and a maximum of 14 for propane gas PIPESIZING FOR GAS CONNECTIONS MAXIMUM EQUIVALENT PIPELENGTH Natural Gas 1000 BTU FT 60 Specific Gravity 9 0 5 WC Pressure Drop Propane Gas 2500 BTU FT 31 53 Specific Gravity 0 5 WC Pressure Drop 1 2 3 4 N P N P 25 55 95 200 MODEL 105B GAS PRESSURE REGULATOR The gas pressure regulator is preset and sealed at 4 W C for natural gas and W C for propane gas Between the gas valve and the burners is a 1 8 pipe plug The pressure at this point taken with a manome ter should be about 3 7 W C natural gas and 10 5 W C propane gas If an adjustmentis needed remove seal and turn adjustment screw clockwise to increase pressu
Download Pdf Manuals
Related Search