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Waterpik Technologies LG manual

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Table of contents for the manual

  • Page 1

    FOR YOUR SAFETY - This product must be installed and serviced by a profes- sional service technician, qualified in pool heater installation. Improper installa- tion and/or operation could create carbon monoxide gas in flue gases which could cause serious injury, property damage, or death. Improper installation and/or operation will void the warrant[...]

  • Page 2

    T ABLE OF CONTENTS SECTION 1. General Information 1A. Introduction ................................................... 1 1B. Description ................................................... 2 1C. Warranty ....................................................... 2 1D. Technical Assistance .................................... 2 SECTION 2. Installation [...]

  • Page 3

    Model LG & LD Pool and Spa Heater Page 1 SECTION 1. General Information 1A. Introduction This manual provides installation and operation instructions for the Laars Lite 2, Model LG and LD pool and spa heaters. Read these installation and operation instructions completely before proceeding Figure 1. General Configuration. with the installation. [...]

  • Page 4

    Page 2 WATERPIK TECHNOLOGIES INC. Gas-Fired Pool Heaters, ANSI Z21.56, and in Canada with CAN1-4.7-M85. Certain sections of this manual are specific to either United States or Canadian installations, and are labeled as such. 1B. Description The Laars Lite 2 LD heater gets electrical power from an external 120VAC or 240VAC source and provides a dual[...]

  • Page 5

    Model LG & LD Pool and Spa Heater Page 3 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. When 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 poin[...]

  • Page 6

    Page 4 WATERPIK TECHNOLOGIES INC. Locate the heater in an open, unroofed area . Do not install the heater under a deck. Do not locate the 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 gara[...]

  • Page 7

    Model LG & LD Pool and Spa Heater Page 5 without modification and in accordance with all local, state, provincial and national codes. Proper ventilation of exhaust and combustion air are essential for the safe operation of the heater. 2D. Combustion and Ventilation Air Supply All indoor installations must have openings to outside air for combus[...]

  • Page 8

    Page 6 WATERPIK TECHNOLOGIES INC. 7. 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 heate[...]

  • Page 9

    Model LG & LD Pool and Spa Heater Page 7 IG N /1 20 IG N /2 40 (LI) (L2) IG N TH VALV E GND REMOT E CONNECTOR SP A POOL OFF WA T E R TEM P SEN SOR PR ESSU RE SW IT CH LIMI T LIMIT FI REMAN SWITC H CONNECTION FUSI BLE LINK EL EC. FUSE MV1 MV2 HONEYWE LL GAS V AL VE BR IGNITION CONTROL (FENW AL) 0533 BK Y/ B K BK R W W W Y Y CIRCUIT IGNI TOR IGNI[...]

  • Page 10

    Page 8 WATERPIK TECHNOLOGIES INC. Figure 7. LG Connection/Schematic Wiring Diagram 2F-2. Auxiliary Time Clock Wiri ng (LD) If you install a time clock to control the filter pump operation, it is recommended that the time clock have its own low voltage (Firemans) switch to turn off the heater before turning off the pump. The switch should shut of[...]

  • Page 11

    Model LG & LD Pool and Spa Heater Page 9 Figure 8. Field Wiring Connections (LD). Figure 9. Time Clock Wiring. 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 ti[...]

  • Page 12

    Page 10 WATERPIK TECHNOLOGIES INC. 2G-2. Reversible Water Connections Waterpik Laars ships the Laars Lite 2 heater with the water connections on the right side. The Laars Lite 2 heater can be installed with the water connections on either side. It could be necessary, or helpful, to switch the connections to the left side to improve access for insta[...]

  • Page 13

    Model LG & LD Pool and Spa Heater Page 11 1. Remove heater door. 2. If there is a vent cap or drafthood (indoor) on top of the heater, remove it. 3. Remove all 8 hex-head screws fastening the top and lift the top assembly straight up (see Figure 12). 4. Remove rainshield assembly and set it aside. 5. Remove screws that fasten the gap closures t[...]

  • Page 14

    Page 12 WATERPIK TECHNOLOGIES INC. 20. Connect the white wire labeled PS to the pressure switch and the other white wire to its original location on the Fireman's switch. 21. Reinstall the drain plugs and tighten securely. Replace jacket/plug grommets. 22. Install the flue collector assembly. Be sure the front and rear panels of the flue colle[...]

  • Page 15

    Model LG & LD Pool and Spa Heater Page 13  When chemical feeders are used, plumb the feeder downstream of the heater and install an in- line 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-4a. Water Chemistry[...]

  • Page 16

    Page 14 WATERPIK TECHNOLOGIES INC. 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 (s[...]

  • Page 17

    Model LG & LD Pool and Spa Heater Page 15 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. 11. If the temperature rise is below the minimum range indicated, two possibilities arise: a . The supply gas volume is too low. b. The system's water[...]

  • Page 18

    Page 16 WATERPIK TECHNOLOGIES INC. 9. Once the temperature is within the correct range, safety wire the handle of the manual bypass valve in place and tag the valve to prevent change in the water flow. SECTION 3. Operating Instructions 3A. General Information With any new pool or spa installation, operate the filter pump with the heater off long en[...]

  • Page 19

    Model LG & LD Pool and Spa Heater Page 17 W ARNING: If you do not follow these instructions exactly , a fire or explosion may result, causing property damage, personal injury or loss of life.  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 t[...]

  • Page 20

    Page 18 WATERPIK TECHNOLOGIES INC. 3B-2. Model LG (Standing Pilot) 1. STOP! Read the safety information above. 2. Set the thermostat to lowest setting and turn appliance ON/OFF switch to "OFF". 3. Turn gas control knob clockwise until it stops at "OFF" position. 4. Wait five (5) minutes to clear out any gas. If you then smell ga[...]

  • Page 21

    Model LG & LD Pool and Spa Heater Page 19 6. Use compressed air to blow out any standing water remaining in the heat exchanger. 7. Grease the threads on the drain plugs and rein- stall plugs, but do not tighten. 8. Disconnect the pressure switch from the siphon loop (copper tubing) (see Figure 22). 3D-3. Spring Start-up To restart the heater in[...]

  • Page 22

    Page 20 WATERPIK TECHNOLOGIES INC. 3E. Water Chemistry For notes on water chemistry please consult sections 2G-4, 2G-4a and Table 7 on page 13 of this manual. 3F. Spa/Hot Tub Safety Rules 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 o[...]

  • Page 23

    Model LG & LD Pool and Spa Heater Page 21 3H. Periodic Inspection 3H-1. Owner Inspection Waterpik Laars designs and constructs the Laars Lite 2 heater to provide long performance life when installed and operated properly under normal condi- tions. The following basic guidelines are suggested for your inspection: 1. Keep the top and surrounding [...]

  • Page 24

    Page 22 WATERPIK TECHNOLOGIES INC. Key Model ORDER No D escription No PART NO PILOT/IGNITER SYSTEM 1 Pilot, Main Burner Assembly, NAT All R0099100 1 Pilot, Main Burner Assemby, LPG All R0099200 2 Pilot Burner, NAT All R0096700 2 Pilot Burner, LPG All R0096600 3 Pilot Electrode All W0040000 4 Pilot Generator All W0036901 5 Ceramic Insulator Assem bl[...]

  • Page 25

    Model LG & LD Pool and Spa Heater Page 23 64 63 67 9 10 11 BURNER TRAY (LD SHOWN) SEE NEXT PAGE FOR DETAIL 50 51 52 53 54 66 60 59 61 62 65 UNITED STATES CANADA UNITED STATES CANADA UNITED STATES 82 82 85 85 101 102 103 104 105 106 107 108 HEAT EXCHANGER SEE NEXT PAGE FOR DETAIL TEMPERATURE CONTR0L SEE NEXT PAGE FOR DETAIL[...]

  • Page 26

    Page 24 WATERPIK TECHNOLOGIES INC. 33 17 15 7 6 14 8 5 2 1 4 34 16 18 70 98 96 97 75 72 75 74 38 32 95 86 85 49 48 69 47 44 45 80 77 79 78,81 90 93 88 94 91 39 30 31 43 76 87 23 22 36 28 34 26 33 25 (LD SHOWN) 29 27 35 3 12 (LG SHOWN) 19 24 13 20 (LG SHOWN) 40 42 41 69 72 73 74 71 73 84 89 92 68[...]

  • Page 27

    Model LG & LD Pool and Spa Heater Page 25 NOTES[...]

  • Page 28

    LIMITED W ARRANTY Tha nk you for pur cha sin g Jand y ® p ool and spa pro duc ts. W at er p ik T ech nol ogi es ( manu factur er o f Jan dy products, including Laars ® pool and spa heaters) w arrants all par ts to be free from manufacturing def ects in mater ials and wor kmans hip for a per iod of o ne year from the dat e of reta il purc hase, wi[...]