Teledyne LLG User's Manual
Contents
1. 10701301 05 8 Bronze Flow Valve Assy 10701401 05 9 10457000 10 Baffle Heat Exchanger 8 10697401 05 11 Clamp Holddown 2222 4404 10726200 12 Bracket Holddown 2 10726300 Model LLG amp LLD Pool and Spa Heater Page 21 LIL EAALEBL n 33 LL ULIOOA SAD SnAA AL LLLOOE G e AAx BlF Description PartNumber 13 Bracket Insulation 10462200 14 Sleeve Temperature Control Bulb 10444900 15 Retainer Bracket 10447300 16 Wire Harness High Limit 10419300 17 Disc High Limit 150 F see Note 1 R0023000 18 Disc High Limit 135 see Note 1 R0022700 19 ConnectorFitting seen P0019700 20 Plug 3 4 P0027000 21 Plug 1 4 NPBT ini titer tore P0026800 E BURNER TRAY ASSEMBLY LLD Burner Tray Assembly R0316901 05 Burner Tray Assembly R0319501 05 1 R0317001 05 2 L0052300 3 GasValve Nat tenete eerte2. Figure 4 Non Combustible Platform 2D Combustion and Ventilation Air Supply All indoor installations must have openings to outside air for combustion ventilation and dilution of flue gases from inside the building see Figure 2 and Table 1 Teledyne Laars does not recommend indoor installations that do not provide combustion air from outside the building All outdoor shelter installations Canada only must have uninterrupted openings to outside air for combustion and ventilation The installation must be in accordance with the latest edition of CAN CGA B149 Teledyne Laars does not recommend outdoor shelter installations that depend on combustion air for com bustion If the heater is installed in a residential garage or where flammable vapors will be present the Model LLG amp LLD Pool and Spa Heater Page 5 burners must be 18 inches 457 mm above the garage floor Refer to the latest edition of the National Fuel Gas Code for more information In Canada refer to the latest edition of the Gas Installation Code CAN CGA B149 Caution Do not operate this heater outdoors at temperatures below 20 degrees Fahrenheit F 7 degrees Celsius C 2E Gas Supply and Piping 2E 1 General Instructions Review the following general instructions before continuing the installation Do not convert this heater from natural gas to propane gas or propane to natural Fi
3. Record the temperature indicated by the ther mometer cold water 8 Turn the heater ON following the lighting in structions found on the inside of the heater 9 Allow the heater to run for about 3 minutes Record the new temperature reading heated water PRESSURE RELIEF VALVE THERMOMETER 20 TO 130 F Figure 17 Thermometer and pressure relief valve 10 Subtract the first temperature reading cold water from the second temperature reading heated water The difference between the two readings is the temperature rise The temperature rise should be within the range shown in Table 6 Table 6 Temperature Rise and Minimum Flow Rates Minimum Minimum Maximum Size GPM LPM F F C 125 20 76 27 15 36 20 175 20 76 33 19 42 24 250 25 95 33 19 42 24 325 30 114 28 16 38 21 400 30 114 30 17 39 22 11 Ifthetemperature rise is below the minimum range indicated two possibilities arise a The supply gas volume is too low b The system s water flow exceeds 125 GPM 474 LPM and requires a manual bypass valve for proper operation see Figure 19 12 Ifthe temperature rise is above the maximum there is not enough water flowing through the heater Check for clogging in the water filter or restriction in the water pipes Operation with the temperature rise above maximum or below the minimum can d
4. your inspection 1 Keep the top and surrounding area of the heater clear of all debris 2 Keep the heater area clean and free of all com bustible materials flammable liquids and vapors as well as sanitization chemicals 3 Do not use the heater if any part has been under water Immediately call a qualified professional technician to inspect the heater and replace any part of the control system which has been sub merged 4 If the heater is equipped with a pressure relief valve check for corrosion and make sure that water runs freely through it If corrosion is found replace the pressure relief valve Page 20 TELEDYNE LAARS 5 Besure all combustion air and ventilation open SECTION 4 i t blocked i i ings are not blocke Parts List for Laars Lite Heater 3H 2 Professional Inspection In addition annual inspections by a qualified 4A General Information professional technician are recommended to keep the To purchase parts or obtain a comprehensive heater operating safely and efficiently through the years maintenance manual for the Laars Lite heater contact The following basic checks should be performed your nearest Teledyne Laars dealer or distributor If they cannot supply you with what you need contact 1 Check for loose or broken wires and terminal the Customer Service Manager Teledyne Laars 6000 connections Condor Drive Moorpark California 93021 2 Verify pressure switch operation by cycling Tele
5. 000 to 4 500 feet 609 to 1372 m above sea level No derating necessary up to altitude of 2 000 feet 609 m In United States derate input 4 percent for each 1 000 feet 305 m above sea level starting at 2 000 feet 609m 2 The Laars Lite is constructed for 75 psi working pressure 3 Ratings shown are for both natural and propane gas Figure 1 General Configuration Page 2 W TELEDYNE LAARS Gas Association and Canadian Gas Association as complying with the latest edition of the Standard for Gas Fired Pool Heaters ANSI Z21 56 and in Canada with 1 4 7 85 Certain sections of this manual are specific to either United States or Canadian installations and are labeled as such 1B Description The Laars Lite LLD heater gets electrical power from an external 120V 240V volt AC source and provides a dual thermostat Flex Temp control system for pool spa combinations or pre heat convenience The Laars Lite LLD heater also meets the California New York Hawaii and Oregon state energy require ments for intermittent ignition gas appliances The Laars Lite LLG heater is a self contained standing pilot unit and requires no external power The Laars Lite heater is specifically designed for heating swimming pools and spas Do not use it as a general service water heater or for heating salt water pools Consult your dealer for the appropriate Tele dyne Laars products for these applications 1C Warranty The
6. E0120000 which connects to the flex temp control panel Installation instructions are included with the wire harness assembly Consult with Teledyne Laars Service Department with questions about installing remotes other than Teledyne Laars 2G Water Flow System 2G 1 Flange Installation The heater has 2 universal header couplings You can connect threaded 2 iron pipe unthreaded 1 1 2 iron pipe 1 1 2 or 2 copper pipe without an adapter see Figure 10 Plastic piping PVC Schedule 40 can be con nected to the heater if local codes allow it by using the CPVC nipples included with your heater HEADER r CPVC NIPPLE SUPPLIED IN HEATER USE CPVC TO PVC CEMENT ONLY TO GLUE JOINTS Figure 11 Plastic piping connections Page 10 TELEDYNE LAARS To install plastic piping see Figure 11 1 Remove CPVC nipples from plastic bag 2 Screw CPVC nipples into metal flange until tight using teflon tape on plastic threads 3 Attach PVC plumbing to CPVC pipes using PVC to CPVC cement only HEX HEAD SCREW COLLECTOR ASSEMBLY REDUNDANT HIGH LIMIT FUSE LLG ONLY CLOSURE FIBERGLASS INSULATION HEADER 2G 2 Reversible Water Connections Teledyne Laars ships the Laars Lite heater with the water connections on the right side The Laars Lite heater can be installed with the water connections on either side It could be necessary or helpful to switch the connections to
7. Laars Lite heater is sold with a limited factory warranty Details are specified on the back cover of this manual A copy of the warranty and a warranty registration card are included in the plastic bag shipped with the heater Fill out and return the warranty registration card Make all warranty claims to an authorized Teledyne Laars representative or directly to the fac tory Claims must include the heater serial number and model this information can be found on the rating plate installation date and name of the installer Shipping costs are not included in the warranty cover age Damage caused by improper installation or assembly or to the heat exchanger by corrosive water is NOT covered by the Warranty See Section 3D for maintaining proper pool water chemistry NOTE Keep this manual in a safe place for future reference when inspecting or servicing the heater 1D Technical Assistance Consult Teledyne Laars or your local distributor with any questions or problems involving the specifica tions installation and operation of your Teledyne Laars equipment An experienced technical support staff is ready to assist in assuring the proper perfor mance and application of Teledyne Laars products SECTION 2 Installation Instructions 2A General Information Install the Laars Lite heaters in accordance with the procedures in this manual local codes and ordi nances and in accordance with the latest edition of the Nat
8. it 15 Liftout the heat exchanger assembly and set it aside Re install heat exchanger 180 degrees from it s original position header left 16 Whenreplacing the heat exchanger from the heater the end baffles must be replaced Each one is held in place by two screws which mount to the top of the combustion chamber wall Reinstall the baffles on the front and rear of the heat exchanger before continuing with the Reversible Water Connections procedure 17 Remove the plastic bushing from the hole on the right side of vestibule cover Re install it in the hole on the left vestibule cover 18 Re route pressure switch tube and thermostat bulb assembly through hole in left side of vesti bule cover in reverse order 19 Remove pressure switch retainer from vestibule panel allow pressure switch to float 20 Re install the temperature sensing bulb in the header and fasten it with the retainer bracket and Screw 21 Re install the compression fitting at end of pressure switch line into header 22 Routethe white wiring beside the heat exchanger and down to the original location Be careful to keep the wires away from the flue collector Secure white wires to the pressure switch tube with tie straps Page 12 TELEDYNE LAARS 23 Connect the white wire labeled PS to the pressure switch and the other white wire to its original location on the Fireman s switch 24 Replace jacket plugs grommets and re ins
9. see Page 16 Model LLG amp LLD Pool and Spa Heater 3B 1 Model LLD Direct Ignition A This appliance does not have a pilot light It is equipped with an ignition device which automatically lights the heater Do NOT try to light the burners 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 STOP Read the safety information above on this label Set the thermostat to lowest setting and turn appliance switch to OFF Turn off all electric power to the appliance This appliance is equipped with an ignition device which automatically lights the heater Do not try to light the burners by hand Remove the heater door Turn gas control knob clockwise gt to OFF Wait five 5 minutes to clear out any gas Then smell for gas including near the floor If you smell gas STOP Follow B in the safety information above on this label If you don t smell gas go to next step Turn gas control knob counterclockwise to ON Page 15 FOR YOUR SAFETY READ BEFORE OPERATING If you cannot reach your gas supplier call the fire de
10. 12 Heat exchanger reversal Figure 13 Flue collector holddown brackets Model LLG amp LLD Pool and Spa Heater Page 11 RETAINER BRACKET Heat Exchanger TEMPERATURE EndBaffles SENSING BULB ma INSULATION RETAINER O RING Figure 14 Temperature sensing bulb LEFT RIGHT VESTIBULE VESTIBULE Es COVER Es FRONT 7 PLASTIC BUSHING Figure 15 Vestibule covers 12 Unscrew the brass compression fitting securing the pressure switch Remove tube from header and gently bend it out of the way 13 Loosenthe screw securing the temperature sensing bulb retainer bracket Slide the retainer bracket off the bulb flange and remove the bulb from the header see Figure 14 Pull pressure switch tube through vestibule cover hole first then pull thermostat bulb assembly through same hole 14 Whenremoving the heat exchanger from the heater the end baffles of the heat exchanger must be removed There are two baffles covering part of the front and rear tubes of the heat exchanger Each baffle is held in place by two screws which mount to the top of the combustion chamber wall Remove the screws and the baffles before at tempting to lift the heat exchanger out of the heater HeatExchanger Combustion 2 Chamber Wall gt lt Figure 16 Heat exchanger and end baffles It may be necessary to have help lifting the heat exchanger out and replacing
11. 3 feet 0 91 m or more above the top of the heater jacket Do not adjust the pressure switch if the heater is installed more than 15 feet 4 57 m below or 6 feet 1 83 m above the pool surface Consult your local Teledyne Laars representative for recommendations On some installations the piping from the heater to the pool is very short The back pressure could be too low to trigger the pressure switch If this happens it may be necessary to install a directional fitting or elbows where the return line enters the pool This will increase back pressure enough for the heater to operate properly Make sure the pool filter is clean before making any pressure switch adjustment A dirty filter will restrict the water flow and the pressure switch cannot be adjusted properly To adjust the pressure switch 1 Turn the control panel rotary switch to OFF see Figure 17 2 Turn filter pump on If a two speed pump is used make sure it is at high speed NOTE Heater should not be allowed to fire on low speed Model LLG amp LLD Pool and Spa Heater Page 13 3 Turn rotary switch to ON Heater should start Pry out the top rubber dirt plug 5 Usea 7 32 inch 5 55 mm Allen wrench to turn the adjustment screw very slowly clockwise until the heater goes off see Figure 18 6 Slowly turn the pressure switch adjustment screw counter clockwise one quarter turn The heater should come back on 7 Check the adjustment by turning t
12. HE HEATER MUST BE REPLACED APPLIANCE WIRING MATERIAL RATED FOR 105 C MUST BE USED WHERE MARKED THUS 2 APPLIANCE WIRING MATERIAL FOR p Piezo 200 C MUST BE USED Sparker w R To Pilot Generator Redundant Limit Switch Y Y Qn PPITH 5 7 Pilotstat Power i il Unit Coi Fireman 150 135 Fusible Switch HiLimit Hitimt Pressure On Off TH PP TH Link Connector Switch Switch switch Switch BK ESPECIES 0 9 979 uu ooo BR M Vave Ey ae H Operator CIRCUIT PP Coil Sen Sen POT Y 9 P FI H0166000F Figure 7 LLG Connection Schematic Wiring Diagram Model LLG amp LLD Pool and Spa Heater Page 9 ATTACH GROUND WIRE TO GREEN GROUND SCREW Figure 8 Field Wiring Connections LLD TO LIMIT SWITCHES TO LIMIT SWITCHES FIELD PROVIDED WIRING WHITE FACTORY INSTALLED WIRE H LOW VOLTAGE SWITCH TIME CLOCK FUSIBLE LINK FUSIBLE LINK HEATER WIRING BEFORE MODIFICATION MODIFIED HEATER WIRING WITH TIME CLOCK INSTALLATION METHOD FOR INSTALLING ANY THREADED PIPE wee USE PLASTIC SLEEVE gt FOR NONTHREADED PIPE OR TUBE DISCARD PLASTIC SLEEVE FOR CPVC OR PVC PIPE USE PLASTIC SLEEVE CVPC NIPPLE PROVIDED Figure 10 Piping installation Figure 9 Time Clock Wiring To connect a 3 wire remote not supplied by Teledyne Laars order a wire harness assembly part No
13. Heater damage caused by exces sive chemicals or improper ozonation is not covered by the Teledyne Laars warranty Be sure to adhere to the following When ozone is injected upstream of the heater install an offgas mixing chamber or an ozone bypass system between the heater and the ozone injector to prevent ozone and air from entering the heater When chemical feeders are used plumb the feeder downstream of the heater and install an inline check valve between the heater and the feeder a minimum of 18 is required between the heater and the check valve Never deposit chemicals directly in the pool skimmer 2G 5 Pressure Relief Valve A pressure relief valve is not furnished with the Laars Lite heater except in Canada however it is recommended and may be required by local codes To install a pressure relief valve remove the 3 4 inch 19 mm brass plug on the in out header with the valve see Figure 16 The setting of the valve should be at or below the lowest working pressure of filter system components 2G 6 Adjusting the Pressure Switch ACaution The pressure switch should be adjusted to turn the heater off when the pump is off Setting the switch to close at too low of a flow can damage the appliance Adjust the switch to turn the heater off not on The pressure switch is preset at the factory for activation at 2 psi 14 kPa Adjust the pressure switch only if any part of the filter system piping is
14. Model LLG amp LLD Pool and Spa Heater Page 1 SECTION 1 General Information operation instructions completely before proceeding with the installation Consult the Teledyne Laars factory or local factory representative with any questions regarding this equipment Experience has shown that most operating problems are caused by improper installation The Laars Lite heater is design certified by International Approval Services formerly American 1A Introduction This manual provides installation and operation instructions for the Laars Lite Model LLG and LLD pool and spa heaters Read these installation and VENT CAP DRAFT HOOD 16 1 2 in 4 1 2 41 9 11 4 3 3 8 in 8 57 cm 36 1 4 20 3 cm 28 1 2 in 3 1 2 in 72 4 cm 8 9 cm GAS CONNECTION FAR SIDE 13 1 8 in 33 3 cm Venting Dimensions Model Heater U S Indoor or Firing Rate Hr Size Width md d ecd 1 000 s in cm in cm in cm in cm BTU kcal 125 15 38 5 12 7 9 1 8 23 16 1 4 41 3 125 31 5 175 18 45 7 6 15 2 93 4 24 24 1 8 61 3 175 44 1 250 22 1 2 57 2 7 17 8 10 26 25 1 4 64 1 250 63 325 26 3 4 67 9 8 20 3 105 8 27 26 1 2 67 3 325 81 9 400 313 4 80 6 9 22 9 13 1 4 34 27 1 2 69 9 400 101 Notes 1 In Canada derate BTU Hr input and output 10 percent for altitudes of 2
15. OFF GAS TO APPLIANCE Set the thermostat to lowest setting and turn appliance ON OFF switch to OFF 2 Turn gas control knob clockwise until it stops at PILOT Then press down slightly on knob while turning clockwise P to OFF Do not force Model LLG amp LLD Pool and Spa Heater Page 17 3 WAY CHANGEOVER VALVE 3 WAY CHANGEOVER SKIMMER MAIN POOL s RETURN BALANCING VALVES FROM SKIMMER AND DRAIN HEATER VALVE PUMP MANUAL BY PASS MANUAL BY PASS DETAIL MANUAL BY PASS IS USED WHEN FILTRATION RATE EXCEEDS 125 GALLONS PER MINUTE Note When using metal pipe as heat sink join metal and PVC CPVC using metal male and PVC CPVC female connection Figure 20 Typical installation 3C Setting the Temperature Control The temperature control see Figure 17 is calibrated at the factory and covers a range from approximately 70 to 104 F 21 to 40 C Use an accurate pool thermometer to determine the best water temperature for your uses The Laars Lite model LLD has dual temperature controls which allows two different temperature settings selected by the rotary switch in the middle of the panel One control can be set for normal use and the other for standby or one can be set for pool and the other for a spa Placing the rotary switch in the middle turns off the heater see Figure 17 The model LLG has only a single control and is set similar to the LLD above IMPORTANT T
16. R0317100 3 Gas Valve LP wissen ee R0319600 E BURNER TRAY ASSEMBLY LLG Burner Tray Assembly R0098601 05 Burner Tray Assembly LP R0098701 05 Burner Tray Weldment R0099501 05 1 2 BURE uendere aa r n ere pete L0052300 3 Gas Valve LP R0096900 3 Gas Valve Nat R0096400 4 Pilot Main Burner Assy LP R0099200 4 Pilot Main R0099100 5 Pilot Burner 010 2000040 R0096600 5 Pilot 018 R0096700 6 Pilot Generator eene W0036901 7 Ceramic Insulator ASSy R0099300 8 High Voltage Lead Assy R0098900 9 Pilot Tube e etate entes R0096300 10 PiezoLighter Assy 4 4 4 4 2404 212211 R0096800 F TEMPERATURE CONTROL ASSEMBLY 1 Temperature Control LLG R0058200 2 Knob Thermostat R0313800 1 Temperature 0 R0011700 2 Knob Thermostat rrrrrrnnvrrrrnonnnvrrrnnnnvvrrrnnnnvrnnrnnnner 0313800 OPTIONAL EQUIPMENT Non Combustible Base 10512701 05 Pressure Relief Valve 3 4NPT 75 PSI A0063300 1 Items 17 amp 18 ava
17. RESSURE prp 13 FREMAN FUBLE 24 SWITCH MIT SWITCH HRR FUSE amp WITCH SWITCH GONMEGTOR 26 AMP SPA SET POINT POOL SET POINT IGNITION Figure 6 LLD Connection Schematic Wiring Diagram Page 8 W TELEDYNE LAARS be wired for remote operation The CS 02 remote control permits switching from one temperature controller to the other and turning the heater on and off from a remote location The CS 04 includes the same features as the CS 02 plus a remote tempera ture controller Contact Teledyne Laars for further information Reference part numbers CS 02 and CS 04 An interrupt on off type remote can be connected by removing the jumper wire on the terminal block located in the control compartment see Figure 6 and connecting the two wires from the remote to the two terminals on the terminal block This type of remote control will turn the heater on or off but will not switch between the two temperature controllers on the Flex Temp control panel High Fireman Switch MILLIVOLT HEATER WIRING DIAGRAM High C ti Redundant Pn NEA POTENTIOMETER imr Dose Ion witch Switch Switch lagram IN JE i i BK Min lax BK BLACK W White Y EE SENSOR Y Yellow R Red Connection Pressure Switch Piezo cc Pilot IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH T
18. WARNING If you do not follow these instructions exactly a fire or explosion may result causing property damage personal This appliance has a pilot which must be lighted by a push button sparker When lighting the pilot follow these instructions exactly BEFORE LIGHTING 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 gas control knob Never use tools If the knob will not push in or turn by hand don t 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 under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water ees OPERATING INSTRUCTIONS E STOP Read the safety information above Set the thermostat to lowest setting and turn appliance ON OFF switch to OFF Turn gas control knob clockwise n until it stops at OFF position Wait five 5 minu
19. amage the heater and may void the warranty 13 Ifthe temperature rise is within the correct range complete the procedure as follows a Turn heater off Page 14 TELEDYNE LAARS ENE dren 74 d a d pth a Model LLD Temperature Control TEMPERATURE CONTROL TELA TELEDYNE LAARS b Model LLG Temperature Control Figure 18 Temperature controls PLUG ALLEN WRENCH TURN CLOCKWISE UNTIL HEATER GOES OFF Figure 19 Pressure switch adjustment b Wait 3 minutes turn filter pump off c Remove thermometer and Pete s plug d Replace the drain plug 2G 9 Adjusting the Manual Bypass Valve After the manual bypass valve is installed use the following procedures to adjust the bypass valve 1 Clean pool filter 2 Remove drain plug located on right hand side of heater and replace it with a Pete s plug 3 Inserta pocket thermometer see Figure 16 through the Pete s plug into the header Close manual bypass valve se Turn rotary switch to OFF position 6 Repeat steps 6 through 12 of the temperature rise test see Section 2G 8 7 Open manual bypass valve until temp rise falls between the min and max range 8 Once the temperature is within the correct range safety wire handle of the manual bypass valve in place and tag valve to prevent change in the water low SECTION 3 Operating Instructions 3A General Inf
20. an enclosure not normally occupied which does not communicate directly with occupied areas Check the rating plate on the heater for the correct Teledyne Laars part number See instructions supplied with the drafthood for installation and attach ment When the draft hood is used locate the heater so as to be in the same atmospheric pressure zone as the combustion air inlet to the heater If a drafthood is used it must be connected to a vent pipe which stops at least 2 feet 0 61 meters m above the highest point of the roof or other object that is within 10 feet 3 05 m from the vent termination The vent pipe must have a listed vent cap which allows a full equivalent opening for flue products see Figure 2 Model LLG amp LLD Pool and Spa Heater Page 3 10 ft VENT TERMINATED g o5 mj LEAST 2 610 mm LISTED VENT ABOVE ANY OBJECT WITHIN 10 3 05 m 5 2ft 0 6 STORM COLLAR DUCTED OPENINGS po on ee 1 4 in 6 35 mm OOF JACK MINIMUM PITCH PER FOOT OF HORIZONTAL PIPE OUTLET AIR DUCT DRAFTHOOD ADEQUATE ADS FEJER AIR SUPPLY TO ROOM TOP TO ROOM TOP AND BOTTOM AND BOTTOM REFER TO TABLE 1 INLET AIR DUCT Notes 1 An Underwriters Laboratories listed vent cap is required to prevent downdraft and allow the heater to function properly and safely 2 Use approved roof jack Figure 2 Indoor Installation Venting USA or Outdoor S
21. an s switch to turn off the heater before turning off the pump The switch should shut off the heater about 15 minutes before the filter pump shuts off This will allow for a more efficient operation by removing any residual heat contained in the heat exchanger back to the pool To install a time clock auxiliary switch into the heater wires see Figure 9 1 Remove heater door 2 Remove the factory installed wire between terminals 1 and 2 on the terminal strip see Figure 9 3 Connect the wires from the time clock auxiliary switch to the two terminals Use American Wire Gage AWG No 14 gauge stranded copper wire with a temperature rating of 221 F 105 C or greater The length of the wire between the heater and the time clock should not exceed 10 15 feet 4 57 m The contact points of the time clock switch should be silver or a low resistance alloy 2F 3 Remote Operation Model LLD Only The Laars Lite pool spa heater controls can Model LLG amp LLD Pool and Spa Heater Page 7 NOTE HSI IGNITION V RE IF ORIGINAL V RE SUPPLIED WITH HEATER FACTORY WIRED 120 waaay MUST BE REPLACED APPLIANCE WIRING FIELD WIRED 1204 ay MATERIAL RATED AT 106 C SHALL BE USED FACTORY WIRED 24 V WIRING SHOWN AS SHALL USE APPLIANCE WIRING MATERIAL RATED AT 300 FIREMAN SWITCH FUSIBLE TRANSFORMER LINK SES 120 2404 BO Hz ANGLE PHASE ATTACH GROUMD F RE TO MO WIRE FOR 280 VOLTE HERE GELLND WIRE HERE P
22. bes for black carbon soot buildup Grommet Kit R0316300 by placing a mirror between and under the 3 Ignition Control Assembly LLD R0317500 burners when the heater is firing Remove any soot that has collected on the tubes and SCCOMBUSTIONPANEEBSSEMBEY 1 Chamber panel side left right R0316600 correct the cause 2 Chamberpanelback R0316701 05 3 Chamberpanelfront LLD T R0316801 05 NOTE After installation and first startup check 3 Chamber panel front R0317801 05 the heat exchanger for black carbon soot buildup after i E od OT NM RN MM P0317200 the following periods of operation 24 hours 7 days 30 days 90 days and once every 6 months thereafter D HEATEXCHANGER ASSEMBLY Complete Heat Exchanger ASSy 10606401 05 Proper flames appear 1 Cast Iron Return Header R0058300 2 Castlroninlet Outlet Header R0056400 3 Bronze Return Header R0054600 a Blue in color 4 Bronze Inlet Outlet Header R0016800 b 1 to 4 inches 25 to 102mm high above 5 Heat Exchanger Tube ASSY R0018101 05 burner surface 6 __ 1 R0050800 7 Flange Assy R0055000 8 Cast Iron Flow Valve ASSy
23. eld conversion could create carbon monoxide gas which can cause property damage serious injury or death 1 Gas piping installation must be in accordance with the latest edition of ANSI Z223 1 In Canada the installation must be in accordance with CAN B149 1 or 2 and all local codes that apply 2 Check the rating plate to make sure the heater is fitted for the type of gas being used Teledyne Laars heaters shipped from the factory are certified to operate at an altitude of 0 to 2000 feet 0 to 609 m or if so ordered at higher altitudes In the United States the heater manifold is marked with a tag or sticker indicating one of the following high altitude operation codes a High altitude H 2 000 to 6 000 feet 609 to 1829 m b High altitude J 6 000 to 10 000 feet 609 to 3048 m 3 In Canada the heater rating plate is marked for specific altitude requirements high altitude H is 2 000 to 4 500 feet 609 to 1372 m above sea level 4 Usethe figures in Table 3 to size the gas inlet piping from the gas meter to the heater Check all local codes for compliance before installing the heater Gas Supply Inlet To Equipment Nipple Inlet Figure 5 proper design for sediment trap drip leg 5 Install a sediment trap drip leg ahead of the gas controls see Figure 5 Fit the trap with a threaded cap which can be removed for cleaning Install a manual gas shutof
24. f valve for service and safety Do not use a restrictive gas cock DO NOT USE GAS FLEXIBLE PIPING Disconnect the heater and its individual shutoff valve from the gas supply system during pressure testing of the system at pressures higher than 1 2 pounds per square inch psi 3 45 kilopascals kPa If the test pressure is equal to or less than 1 2 psi 3 45 kPa close the manual shutoff valve on the heater during the piping pressure test Table 3 Natural Gas Pipe Size Requirements Distance from Gas Meter Heater 0 15 m 15 30 m 30 60 m 0 50 feet 50 100 feet 100 200 feet Size in mm in mm in mm 125 3 4 19 1 25 4 1 25 4 175 1 254 1 254 1 1 4 81 75 250 1 25 4 1 1 4 81 75 1 1 4 31 75 325 1 1 4 31 75 1 1 4 31 75 1 1 2 38 400 1 1 4 31 75 1 1 2 38 1 2 38 Notes 1 These numbers are for natural gas 0 65 Sp Gr and are based on 1 2 inch 18 mm water column pressure drop Check supply pressure with a manometer and local code requirements for variations For liquefied petroleum gas reduce pipe diameter one size but maintain a 3 4 inch 13 mm minimum diameter Check supply pressure and local code requirements before preceding with work Pipe fittings must be considered when determining gas pipe sizing Page 6 W TELEDYNE LAARS Caution Permanent damage to the gas valve will occur if the following proced
25. he filter pump OFF The heater should shut off immediately If it does not restart the filter pump and repeat Steps 6 and 7 Check the adjustment again 8 Return the pool temperature control to the desired temperature 2G 7 Automatic Flow Control Valve The automatic flow control valve maintains the proper flow through the heater at rates up to approxi mately 125 Gallons Per Minute GPM 474 liters per minute LPM If the system filter flow rate is higher than approximately 125 GPM 474 LPM install a manual bypass valve see Figure 18 then perform a temperature rise test see Section 2G 8 and adjust the flow with the bypass valve until the proper temperature rise is obtained 2G 8 Temperature Rise A temperature rise test confirms proper water flow through the heater The temperature rise is the difference between the temperature of the pool or spa water before and after heating as measured in the header Perform the following temperature rise test when the installation is complete 1 Make sure the pool filter is clean 2 Set the rotary switch on the temperature control panel see Figure 17 to OFF 3 the filter pump off 4 Remove the drain plug located on the right hand side of the heater and replace it with a Pete s plug see Figure 16 5 Inserta pocket thermometer see Figure 16 through the Pete s plug into the header 6 Turn the filter pump on and wait 3 minutes The heater is turned off 7
26. he temperature controls cannot be calibrated in the field If the control is faulty shut down the heater and have a qualified service technician replace the control DO NOT use the thermostat switch to completely shut down the heater 3D Seasonal Care 3D 1 Spring and Fall Operation During periods when the pool is only going to be used occasionally turn the temperature control down to the MIN setting This prevents the pool from water from becoming chilled and maximizes the time re quired to raise the pool water back up to the desired temperature If the heater is not going to be used for a long period of time shut it down completely Follow the instructions found on the inside of the heater 3D 2 Winterizing In areas where freezing temperatures occur in winter and the pool or spa will not be used have your service technician perform the following steps 1 Turn off the main gas supply valve to the heater outside the heater jacket 2 Remove heater door 3 Shutdown the heater following the shutdown instructions found on the inside of the heater 4 Remove the drain plug from the return side see Figure 20 loosen the drain plug from the inlet outlet side and completely drain the heater before the first frost 5 After all water has drained from the heater remove the drain plug from the inlet outlet side Check for mineral buildup in the openings 6 Use compressed air to blow out any standing water remaining
27. hed with the unit for evaluation and warranty consideration and are also available by writing to the Teledyne Laars factory The liability of Teledyne Laars shall not exceed This warranty gives you specific legal rights You may the repair or replacement of defective parts by factory also have other rights which vary from state to state and authorized technicians and shall not include by province Some states do not allow the exclusion or transportation to or from factory any labor costs and limitation of incidental or consequential damages so the consequential or incidental damages Ship inoperative above limitation or exclusion may not apply to you TELEDYNE LAARS An Allegheny Teledyne Company 6000 Condor Dr Moorpark CA 93021 USA 805 529 2000 20 Industrial Way Rochester N H 03867 USA 603 335 6300 4805 Service Road West Oakville Ontario Canada L6K 2H4 905 844 8233 A 253 API PROVED 1509002 REGISTERED COMPANY TELEDYNE LAARS An Allegheny Teledyne Company 6000 Condor Drive Moorpark CA93021 805 529 2000 FAX 805 529 5934 480 S Service Road West Oakville Ontario Canada L6K 2H4 905 844 8233 FAX 905 844 2635 21 Pimentel Court Novato CA 94949 415 382 8220 FAX 415 382 0820 Litho in U S A Teledyne Laars 9801
28. helter Canada Table 1 Air Openings to Outside 2C 1 Installation Information Avoid placing the heater in locations where it can cause damage by water or condensate leakage If this is not possible provide a suitable drain pan to catch and divert any leakage The pan must not block natural flow of air around the heater Locate the heater so the clearances from combus tible surfaces shown in Table 2 are met Required Net Free Open Area for Combustion Air Openings Direct from outside Duct from outside Model in in cm 125 32 64 413 175 44 88 568 250 63 126 813 325 82 164 1058 400 100 200 1290 2C 2 Outdoor Installation Note If using screens and or louvers compensate by adding 50 Laars Lite heaters can be installed in the low Soe ene area to GaC ee profile grate top configuration U S A only as received from the factory or with an optional high 2C Site Location wind vent cap stack Canadian units require a factory approved vent cap L WARNING Locate the heater in an open unroofed area Do Improper installation or maintenance can not install the heater under a deck Do not locate the cause nausea or asphyxiation from carbon heater below or adjacent to any doors glass openings louvers grills etc which connect in any way with an inhabited area of a building even though the access might be through another structure e g a garage or monoxide in flue gases which co
29. ilable as Assembly R00232 NOTE LLD Direct Ignition LLG Standing Pilot Page 22 TELEDYNE LAARS A1 Redundant Limit LLG only See Page 23 for detail B1 See Page 23 for detail Page 23 Model LLG amp LLD Pool and Spa Heater f LLG Burner Tray Assembly E lew o Detailed v e 1 E4 E5 E6 E7 E8 E9 f Heat Exchanger Assembly D lew o Detailed v D5 D6 D19 D12 D10 S Sy NOD X I M gt H a a D16 D17 D13 Detailed view of LLD Burner Tray Assembly E E2 E3 LU Page 24 TELEDYNE LAARS NOTES LAARS LITE LIMITED WARRANTY Your Laars Lite pool spa heater is backed by this double warranty to assure your complete satisfaction Controls copper heat exchanger tubes and combustion chamber panels are warranted against defects in materials and workmanship for two 2 years from date of purchase All other parts are warranted against defects in materials and workmanship for five 5 years from date of purchase The above warranty applies only ifthe installation and parts or complete heater with Serial number Model operating instructions applicable to the model number and purchase date transportation prepaid purchased are expressly and completely directly to address below attention Customer Service followed These instructions are furnis
30. immersion in hot water can induce hyperthermia Hyperthermia occurs when the internal body temperature reaches a level several degrees above the normal body temperature of 98 6 F 37 C Symptoms include dizziness fainting drowsiness lethargy and an increase in the internal body temperature The effects of hyperthermia include Lack of awareness of impending hazard Failure to perceive heat Failure to recognize need to leave spa Physical inability to leave spa Fetal damage pregnant women Unconsciousness resulting in a danger of drown Ing 3G Swimming Pool Energy Saving Tips Teledyne Laars offers the following recommen dations to help conserve fuel and minimize the cost of Table 7 Mineral Concentration Levels Test Recommended Level Free chlorine 1 0 to 3 0 ppm Bromine 3 0 to 5 0 ppm pH 7 2 to 7 8 Total alkalinity TA Calcium hardness CH 80 to 120 ppm 200 to 400 ppm 0 5 to 40 5 Less than 2000 ppm 30 to 150 ppm 0 ppm Langelier saturation index LSI Total dissolved solids TDS Cyanuric acid Copper operating your pool heater without sacrificing com fort 1 The American Red Cross recommends a maxi mum water temperature of 78 F 25 C Use an accurate pool thermometer A difference of 4 degrees from 78 to 82 F 25 to 28 C will use as much as 40 more gas 2 Carefully monitor the water temperature of your pool in the summertime You can reduce heater u
31. in the heat exchanger 7 Grease the threads in the drain plugs and reinstall plugs but do not tighten 8 Disconnect the pressure switch copper tubing see Figure 21 Page 18 TELEDYNE LAARS 3D 3 Spring Start up To restart the heater in the Spring have a profes sional service technician reassemble the heater as follows 1 Attach the copper tubing to the pressure switch and fill the loop with SAE 50 non detergent oil see Figure 21 2 Tighten the drain plugs 3 Turn on the main gas supply valve to the heater outside the heater jacket 4 Turn on the heater following the lighting instruc tions found on the inside of the heater 3E Water Chemistry Proper chemical balances are necessary for sanitary bathing conditions as well as ensuring your heater s long life Be sure to keep your chemical levels within the values indicated in Table 7 Teledyne Laars does not warrant heat exchangers damaged by corro sive chemical levels or excess dissolved solids in pool or spa water For spas it is also necessary to perform water changes in addition to chemical treatment It is recom mended to change the spa water every 60 days for light usage and every 30 days if usage is heavy 3F Spa Hot Tub Safety Rules The 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 Pregnant women take note Soaking in
32. ional Fuel Gas Code ANSI 4223 1 In Canada the installation must be in accordance with CAN1 B149 1 or 2 and local codes The authority having jurisdiction may require the installation conform to the Standard for Gas Fired Heaters ANSI Z21 56 Any changes to the heater gas controls gas orifices wiring draft diverter or improper installation may void the war ranty If field conditions require change to any of the above consult the factory All gas fired products require correct installation to assure safe operation The requirements for pool heaters include the following 1 Field assembly if required 2 Appropriate site location clearances and flooring Sufficient combustion and ventilation air Properly sized gas meter and piping Proper electrical wiring if required Adequate water flow 95 This manual provides the information needed to meet these requirements Review all application and installation procedures completely before continuing the installation 2B Field Assembly The Laars Lite heater is shipped from the factory with the top assembly in the low profile configuration for outdoor installation in the U S The Laars Lite heater is design certified for indoor installation when equipped with a drafthood which must be installed without modification The Laars Lite heater is also certified for installa tion in an outdoor shelter in Canada when equipped with a drafthood An outdoor shelter is
33. ocations where wind deflection off nearby structures might cause wind loading and downdraft conditions Where downdraft conditions exist locate the heater at least 3 feet 0 91 m from vertical surfaces e g nearby buildings and walls The addition of a vent cap may be necessary 2C 3 Flooring Typical Installation Do not install the heater directly on a combus tible wood or carpet floor without placing a non combustible platform between the floor and the heater In the United States the National Fuel Gas Code allows a heater to be placed on a combustible surface when there is a platform under the heater made of hollow masonry no less than 4 inches 102 millimeters mm thick covered with sheet metal at least 24 gauge thick and extending beyond the full width and depth of the heater by at least 6 inches 76 2 mm in all direc tions The masonry must be laid with ends unsealed and joints matched to provide free circulation of air from side to side through the masonry see Figure 4 If the heater is installed in a carpeted alcove the entire floor of the alcove must be covered by a non combus tible panel You can obtain a non combustible base from Teledyne Laars part number 10521701 05 Notes 1 Blocks must provide solid base and be braced so they cannot slip out of place 2 Air openings in blocks must be arranged to provide unrestricted opening through entire width or length of base
34. ormation With any new pool or spa installation operate the filter pump with the heater off long enough to com pletely clean the water This will remove any installation residue from the water Clean the filter at the end of this operation before starting the heater When raising the temperature of a cold pool remove all time clock settings This lets the filter system and heater operate continuously until the water reaches the temperature setting on the temperature control When that happens the heater will automatically shut off but the filter pump will keep running 5 Vent pipes drafthoods and heater tops get hot These surfaces can cause serious burns Do not touch these surfaces while the heater is in operation Adding a vent cap reduces the temperature on the top For your safety when starting the heater keep your head and face well away from the lower firebox opening to prevent any risk of personal injury Keep all objects offthe top of the heater Blocking air flow could damage the heater and may void the warranty 3B Lighting and Shutdown Procedures NOTE If your LP tank runs out of fuel turn off gas at the heater After the tank is refilled the heater must be re lit following the instructions found on the inside of the heater DO NOT attempt repairs on the gas control or heater Tampering is dangerous and voids all warranties 3B 1 Model LLD see Page 15 3B 2 Model LLG
35. partment 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 don t 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 9 10 11 12 been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water ees OPERATING INSTRUCTIONS E Replace control access panel Turn on all electric power to appliance Set thermostat to desired setting and turn appliance switch from OFF to either POOL or SPA If the appliance will not operate check that the filter pump is on the filter is clean and water is flowing to the pool Otherwise follow the instructions To Turn Off Gas To Appliance and call your service technician or gas supplier TO BURNERS GAS CONTROL IN OFF POSITION es TO TURN OFF GAS TO APPLIANCE 3 Turn gas control knob clockwise to OFF 4 Replace control access panel 1 Setthe thermostat to lowest setting and turn appliance switch to OFF 2 Turn off all electric power to the appliance if service is to be performed Page 16 3B 2 Model LLG Standing Pilot W TELEDYNE LAARS FOR YOUR SAFETY READ BEFORE OPERATING injury or loss of life
36. phone 805 529 2000 the spa pump on and off a few times The 4B Parts List heater should go off immediately after the Description PartNumber pump stops A VENTING ASSEMBLY 3 Inspect the electrical controls specifically the 1 Top Enclosure Weldment R0313201 05 x 2 TopFiller Plate 10535201 05 following 3 Flue Collector es R0316401 05 R0316406 10 for Canada a High limit controls 4 Rainshield Kit s R0318301 05 b Pressure switch R0318311 15for Canada c Temperature control 5 RedundantLimit LLG R0313900 d Automatic gas valve 10561401 05 1056141 1 15 for Canada Fie Mant Gap Rib ed 10561501 05 4 Inspect the venting system for blockage 10561511 15forCanada leakage and corrosion B JACKETCOMPONENTS 5 Check for spider webs in the pilot and main Jacket Assy e metn R0316501 05 burner orifices especially at Spring startup Gap Closures ns R0318400 Door w Latch R0313401 05 6 Conduct a normal operating cycle and observe Fusible Link ASsy eene R0012200 Pressure Switch 2 psi R0013200 that the sequence proceeds as intended Pressure Switch 1 psi 0011300 Pressure Switch 1 10 R0015500 7 Inspect the external surfaces of the heat Tube Siphon Loop 22110545200 exchanger tu
37. sage due to warmer air temperatures 3 Findthe proper setting on the pool heater tem perature control and use the TEMP LOK to discourage further adjustments 4 Setthe filter time clock to start the pump no earlier than 6 00 AM during the pool heating season This is the time when nightly heat loss balances 5 If the pool is only going to be used on weekends reduce the heater temperature control setting by 8 or 10 degrees during the week Reset it to the 78 F 25 C level a day or so before you plan to use the pool 6 During the winter or when on vacation for longer than a week shut down the heater by following the shut down instructions found on the inside of the heater 7 possible shelter the pool from prevailing winds with well trimmed hedges or other land scaping cabanas or fencing 8 Always use a pool cover when practical Besides providing a valuable safety feature a pool cover will reduce heat loss conserve chemicals and reduce the load on filter systems 3H Periodic Inspection Improper installation or maintenance can cause nausea or asphyxiation from carbon monoxide in flue gases which could result in severe injury or death 3H 1 Owner Inspection Teledyne Laars designs and constructs the Laars Lite heater to provide long performance life when installed and operated properly under normal condi tions The following basic guidelines are suggested for
38. tall the drain plugs Tighten securely 25 Install the flue collector assembly Be sure the bottom lips are inside the grooves on the front and rear tile covers and are not pinching any wires 26 Reconnect yellow wires Model LLG only to redundant limit fuse on the flue collector 27 Attach the flue collector holddown clamps to the clips located under the two center header bolts 28 Replace the gap closures and tighten the screws securely 29 Re cover the header sensors with fiberglass insulation and replace the insulation retainer 30 Double check to make sure the wiring is not pinched against sharp edges or resting on the flue collector assembly 3 Re install rainshield assembly 32 Replace the top assembly Make sure the tabs are outside the heater jacket Fasten the top assembly with the hex head screws 33 Install plastic tie wraps on wiring 34 Install heater door 35 Reinstall the vent cap or drafthood if one was removed 2G 3 Check Valve Installation Install a check valve if there is any chance of back siphoning when the pump stops Do not install any other valve in the piping between the heater outlet and the pool unless it is being used as a diverter valve 2G 4 Chlorinators Ozone Generators and Sanitizing Chemicals The Teledyne Laars Lite heater is manufactured with materials that are not compatible with high concentrations of ozone chlorine bromine or other sanitizing chemicals
39. tes 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 PILOT BURNER To find pilot follow gas line from gas valve to pilot location Turn knob on gas valve counterclockwise to PILOT then push control knob all the way and hold down TO VALVE GAS CONTROL IN OFF POSITION H CIS SEI LLG Gas Valve 7 Push the button of the sparker repeating until confirming that pilot lights by observing reflection on burner tray mirror Continue to hold the control knob down for about one 1 minute after the pilot is lit If it goes out repeat steps 3 through 8 If knob does not pop out when released stop and immediately call your service technician or gas supplier If the pilot will not stay lit after several tries turn the gas control knob to OFF and call your service technician or gas supplier Turn gas control knob counterclockwise to ON After replacing control compartment access panel set thermostat to desired setting and turn appliance ON OFF switch to ON Valve has built in delay before coming on If the appliance will not operate check that the filter pump is on that the filter is clean and water is flowing to the pool Otherwise follow the instructions To Turn Off Gas To Appliance and call your service technician or gas supplier es TO TURN
40. the left side to improve access for installation service Perform this modification before installing the heater using the following procedures 1 Remove heater door 2 If there is a vent cap or drafthood indoor on top of the heater remove it 3 Remove all hex head screws fastening the top and lift the top assembly straight up see Figure 12 Remove rainshield assembly and set it aside 5 Remove screws that fasten the gap closures and put them aside Remove gap closures 6 Remove the fiberglass insulation and insulation retainer covering header sensors see Figure 14 7 Disconnect the two yellow leads Model LLG only from the redundant limit fuse located on the flue collector see Figure 12 8 Removethe screws securing the two flue collec tor holddown clamps and remove the clamps see Figure 13 Remove flue collector 9 Remove the three jacket plug grommets and drain plugs see Figure 12 One set is located under the water connections on the right side The other is on the left side toward the front of the heater 10 Tag and disconnect the white wire on the pressure switch PS and the white wire on the Fireman s switch terminal see Figure 6 or 7 which leads to the high limit switch 11 Remove plastic tie wraps and pull the white wires out of the front compartment through the vesti bule cover and coil them on the heat exchanger B CLAMP IN OUT HEADER BRACKET Figure
41. uld result in severe injury or death Table 2 Minimum Heater Clearances From Combustible Surfaces Indoor Outdoor Shelter Installation Outdoors Installation Page 4 TELEDYNE LAARS utility room In the United States there must be a minimum of 4 feet 1 22 m horizontally or vertically between the heater and any door glass opening or gravity inlet to a building see Figure 3 USA 4 ft 1 22 m CANADA 10 ft 3 05 m jl Figure 3 Outdoor Heater Installation L WARNING United States Do not install the heater with the top of the vent assembly within 4 feet 1 22 m of any opening into a building Canada Do not install the heater with the top of the vent assembly within 10 feet 3 05 m of any opening into a building If the heater is installed under an overhang there must be a minimum clearance of 5 feet 1 5 m above the top of the heater and the structure should not overhang the heater more than 12 inches 0 30 m The area under the overhang must be open on three sides This prevents combustion gases from being diverted into living areas through doors windows or gravity inlets If the heater is installed close to a structure protect it from rain water runoff with rain gutters on the roof or other measures Do not locate the heater near sprinkler systems that could spray water on it Avoid l
42. ures 6 and 7 for typical examples and must include a definite means of grounding There is a bonding lug on the right side of the heater where a bond wire must be attached The heater comes factory wired intended for use with 240 Volt 60 Hz AC field electrical supply To use 120 Volt 60 Hz AC requires rewiring of the heater This should be done by a certified electrician only as with all wiring To wire the heater for 120 Volt 60 Hz AC follow the alternate 120V wiring method depicted in Figure 6 Additionally the ignition control module must be rewired The wire from the terminal marked IGN 240 must be removed from that terminal and placed on the terminal marked IGN 120 Electrical wiring must be in accordance with the latest edition of the National Electric Code NEC ANSI National Fire Protection Association NFPA 70 unless local code requirements indicate otherwise To wire the Laars Lite heater Wire the heater to a 120V or 240V 60 Hertz Hz electrical source 2 Connect the wires from the source to the leads on the right side of the heater in the space behind the ignition control see Figure 8 3 Remove the screw located to the lower right of the transformer and open the hinged cover NOTE No external junction box is required 2F 2 Auxiliary Time Clock Wiring LLD or LLG If you install a time clock to control the filter pump operation it is recommended that the time clock have its own low voltage Firem
43. ures are not followed 8 Ifthe gas supply pressure is less than required check for under sized pipe between the meter and the heater a restrictive fitting or an undersized gas meter Gas supply pressures to the heater are listed in Table 4 NOTE The maximum inlet gas pressure must not exceed the specified value The minimum value listed is for the purpose of input adjustment Refer to Table 4 Table 4 Gas Supply Pressure Requirements Supply Pressure Natural Gas Propane Gas Water Column in mm in mm Minimum 6 152 10 254 Maximum 14 356 14 356 9 Before operating the heater test the complete gas supply system and all connections for leaks using a soap solution Do not use an open flame Caution Some leak test solutions including soap and water may cause corrosion or stress cracking Rinse the piping with water after testing 2E 2 Special Precautions for Propane Gas LLG Only Liquefied petroleum LP gas is heavier than air Therefore do not install pool heaters using LP gas in pits or locations where gas might collect Locate heaters a safe distance from LP gas storage and filling equipment Consult local codes and fire protection authorities about specific installation restrictions 2F Electrical Wiring 2F 1 General Information LLD Only Wiring connections must be made exactly as shown in the wiring diagram found on the inside of the heater see Fig
44. water above 102 F 38 5 C can cause fetal damage during the first three months of pregnancy which could result in the birth of a brain damaged or deformed child If pregnant women are going to use a spa or hot tub they should make sure the water temperature is below 100 F 38 C maxi mum The water temperature should always be checked with an accurate thermometer before entering a spa or hot tub Temperature controls may vary by as much as 4 F 16 C Persons with a medical history of heart disease diabetes circulatory or blood pressure problems should consult their physician before using a hot tub or spa Persons taking any medication which induces WARNING The following Safety Rules for Hot Tubs recommended by the U S Consumer Product Safety Commission should be observed when using the spa 1 Spa or hot tube water temperature should never exceed 104 F 40 C One hundred degrees Fahrenheit 100 F 38 C is considered safe for a healthy adult Special caution is recommended for young children DRAIN PLUG DRAIN PLUG RETURN SIDE Figure 21 Heater drain locations OIL TO HERE SPRING START UP SYPHON PRESSURE TOOR SWITCH DISCONNECT HERE WINTERIZING DRAIN PLUG INLET OUTLET SIDE Model LLG amp LLD Pool and Spa Heater Page 19 drowsiness e g tranquilizers antihistamines or anticoagulants should not use spas or hot tubs 7 Prolonged
Download Pdf Manuals
Related Search