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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 warranty.

H0216300B

Installation and Operation Data

WARNING: If these instructions are not followed exactly, a fire or explosion

may result, causing property damage, personal injury, or death.

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 nearby phone. Follow the gas

supplier’s instructions.

• If you cannot reach your gas supplier, call the fire department.

Installation and service must be performed by a qualified service technician.

Installation and
Operation Manual

Laars Lite 2

Model LC (Australia)
Pool and Spa Heater

Natural Gas
Propane (Outdoor Only)

Outdoor

Configuration

Summary of Contents for Lite 2 LC

Page 1: ...using property damage personal injury or death 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...

Page 2: ...d Shutdown 9 3C 1 Lighting the Heater 9 3C 2 Filter Pump Operation 9 3C 3 Shutdown 9 3D Spring and Autumn Operation 9 3E Winterizing 10 3F Water Chemistry 10 3F 1 For Pool 10 3F 2 For Spa 10 3F 2a Cor...

Page 3: ...water Section 3F explains proper pool water chemistry SECTION 2 Installation Instructions WARNING Improper installation or maintenance can cause nausea or asphyxiation from carbon monoxide and flue g...

Page 4: ...e base or on the top Do not locate the heater close to sprinklers the water could damage the controls and the electronics If you are installing the heater under an overhang there must be a minimum cle...

Page 5: ...00 mm Minimum Front of heater 450 mm Minimum Floor Noncombustible If you are installing the heater on a combustible surface an approved noncombustible base must be installed 305 mm of 305 mm of Figure...

Page 6: ...2 mm 40 mm 400 32 mm 40 mm 50 mm Install a union on the gas supply line outside the heater jacket including a drip leg and a manual shut off valve see Fig 4 Do not use a restrictive gas cock Before op...

Page 7: ...r on or off but will not switch between the two temperature controllers on the Flex Temp control panel To connect a 3 wire remote not supplied by Waterpik Technologies order a wire harness assem bly p...

Page 8: ...ter to operate properly 2J Pressure Switch Adjustment The pool filter must be clean before making this adjustment The heater does not have to be firing 1 Turn the rotary switch to OFF and make sure th...

Page 9: ...flow rates up to 475 liters per minute L min If the system filter flow rate is higher than 475 L min install a manual bypass valve Figure 9 shows a valve installed between the Figure 10 Thermometer a...

Page 10: ...rols cannot be calibrated in the field If the control is faulty shut down the heater and replace the control according to the instructions in Section 4 DO NOT use the rotary switch to completely shut...

Page 11: ...ter back up to the desired tempera ture in the least amount of time In areas subject to only short freeze periods turn off the heater and run the filter pump continuously for the length of the cold pe...

Page 12: ...pool water between 7 2 and 7 6 3F 2 For Spa The control of proper chemical balance in spa water is more critical than in a swimming pool for satisfactory heater operation Usage density in a spa is ma...

Page 13: ...g tranquilizers antihistamines or anticoagulants should not use spas or hot tubs 7 Prolonged immersion in hot water can induce hyperthermia Hyperthermia occurs when the internal body temperature reac...

Page 14: ...egular inspections by authorized personnel at least annually to keep the heater operating efficiently The authorized person shouldcheckthefollowing 1 Keep the top and surrounding area of the heater cl...

Page 15: ...to Lighting and Shutdown label to shut down the system 10 Disconnect the manometer tubing from the gas valve and replace screw on the gas fitting TESTING MANIFOLD GAS PRESSURE 1 Attachthemanometer tot...

Page 16: ...Verify that the electrical circuit serving the heater is ON and there is power to the heater 8 Make sure the switch on the heater control panel is pointing at one of the temperature controllers 9 Ver...

Page 17: ...of an open fusible link is abnormal wind conditions This could be caused by improper clearances to buildings and walls See Section 2B for proper clearances c Wire Harness Limit Switches To test the wh...

Page 18: ...heater and the switch a Blow out the tube until clear b Fill the siphon loop tube and the switch with heavy non detergent oil SAE 50 preferred using a pump type oil can see Fig 15 c Install the sipho...

Page 19: ...res and attach the resistor in the same location The heater should operate with the same temperature control knob in the center of the dial If the heater fails to operate replace the temperature contr...

Page 20: ...26 The following tests determine if the ignition control is operating correctly Keep in mind that the heater has a lockout ignition control See Section 3C Before doing the electrical tests make a vis...

Page 21: ...t If the pilot flame and sensor electrode are all right but there is no main burner ignition check for voltage between the blue wire on the transformer to 24V on the ignition control and the brown wir...

Page 22: ...Remove the two screws securing the antirotation bracket to the inner panel and the three screws attaching the manifold bracket Slide the burner tray out of the heater see Fig 33 6 Remove the pilot gas...

Page 23: ...t the rear into the slot at the rear of the burner tray line it up with the proper orifice and snap it into position 5 Install the pilot assembly on the new burner and install it in the burner tray Co...

Page 24: ...ation strips are on top of the side panels of the combustion chamber and lower the heat exchanger into place 10 If a header bolt is stripped in the process of reassembly it can be driven out of the he...

Page 25: ...embly straight up 3 Remove the screw securing the rainshield at the rear of the heater and set it aside 4 Lift off the rainshield and set it aside Inlet Outlet Header Figure 37 Flow Control Assembly D...

Page 26: ...ader and locate the switch in its original position Carefully straighten the copper tubing as necessary Fasten the tubing to the rear panel using the cable clip and screw 20 Install the temperature se...

Page 27: ...flue collector and secure it with the screw removed earlier 34 Replace the top assembly Make sure the tabs are outside the heater jacket Secure the top assembly with the hex head screws 35 Replace th...

Page 28: ...30 32 28 22 76 79 38 36 60 39 34 35 71 68 70 69 72 82 86 81 87 85 29 88 89 90 66 62 66 65 91 20 21 40 67 64 63 80 26 19 24 17 23 16 18 25 53 97 96 51 52 1 2 3 4 5 6 8 7 9 11 15 12 10 14 13 50 59 61 7...

Page 29: ...er Cord Aii R0107600 VENT SYSTEM 51 Top Enclosure 125 400 R0313201 05 52 Rainshield Kit 125 400 R0318311 15 53 Flue Collector Assembly 125 400 R0316406 10 55 Outdoor Vent Cap 125 400 10561511 15 56 In...

Page 30: ...57 NOTES 1 The Laars Lite 2 Australia is approved by the Australian Gas Association as a swimming pool heater for both propane and natural gases 2 The Laars Lite 2 Australia is constructed for 516 kPa...

Page 31: ...Model LC Australia Pool and Spa Heater Page 29 NOTES...

Page 32: ...nologies shall not exceed the repair or replacement of defective parts by factory authorized technicians and shall not include transportation to or from factory any labor costs and consequential or in...

Page 33: ...ease omit the last line which reads Adding a flue cap may be necessary Page 3 Section 2C Indoor Installation Introductory paragraph Please make the following change paragraph should read The Laars Lit...

Page 34: ...with the kit To order a manual reset high limit switch kit contact your local authorized Laarss distributor or call Waterpik Technologies at the telephone number listed on the back of this manual 600...

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