Laarsen-associates Lite 2 LG Manuel d'utilisateur Page 1

FOR YOUR SAFETY - This product must be installed and serviced by a profes-sional service technician, qualified in pool heater installation. Improper i

Page 8WATERPIK TECHNOLOGIES INC.Figure 7. LG Connection/Schematic Wiring Diagram2F-2. Auxiliary Time Clock Wiring (LD)If you install a time clo

Model LG & LD Pool and Spa HeaterPage 9Figure 8. Field Wiring Connections (LD).Figure 9. Time Clock Wiring.To install a time clock auxiliary swi

Page 10WATERPIK TECHNOLOGIES INC.2G-2. Reversible Water ConnectionsWaterpik Laars ships the Laars Lite 2 heater withthe water connections on the right

Model LG & LD Pool and Spa HeaterPage 111. Remove heater door.2. If there is a vent cap or drafthood (indoor) on topof the heater, remove it.3. Re

Page 12WATERPIK TECHNOLOGIES INC.20. Connect the white wire labeled PS to the pressureswitch and the other white wire to its originallocation on the F

Model LG & LD Pool and Spa HeaterPage 13• When chemical feeders are used, plumb thefeeder downstream of the heater and install an in-line check va

Page 14WATERPIK TECHNOLOGIES INC.2G-7. Automatic Flow Control ValveThe automatic flow control valve maintains theproper flow through the heater at rat

Model LG & LD Pool and Spa HeaterPage 15Note: When using metal pipe as heat sink, join metal and PVC/CPVC, using metal male and PVC/CPVC female c

Page 16WATERPIK TECHNOLOGIES INC.9. Once the temperature is within the correct range,safety wire the handle of the manual bypass valvein place and tag

Model LG & LD Pool and Spa HeaterPage 17WARNING: If you do not follow these instructions exactly, a fire or explosionmay result, causing property

TABLE OF CONTENTSSECTION 1.General Information1A. Introduction... 11B. Description ...

Page 18WATERPIK TECHNOLOGIES INC.3B-2. Model LG (Standing Pilot)1. STOP! Read the safety information above.2. Set the thermostat to lowest setting and

Model LG & LD Pool and Spa HeaterPage 196. Use compressed air to blow out any standingwater remaining in the heat exchanger.7. Grease the threads

Page 20WATERPIK TECHNOLOGIES INC.3E. Water ChemistryFor notes on water chemistry please consultsections 2G-4, 2G-4a and Table 7 on page 13 of thismanu

Model LG & LD Pool and Spa HeaterPage 213H. Periodic Inspection3H-1. Owner InspectionWaterpik Laars designs and constructs the LaarsLite 2 heater

Page 22WATERPIK TECHNOLOGIES INC.Key Model ORDERNo Description No PART NOPILOT/IGNITER SYSTEM1 Pilot, Main Burner Assembly, NAT Al

Model LG & LD Pool and Spa HeaterPage 2364636791011BURNER TRAY(LD SHOWN)SEE NEXT PAGEFOR DETAIL5051525354666059616265UNITED STATESCANADAUNITED STA

Page 24WATERPIK TECHNOLOGIES INC.3317157614852143416187098969775727574383295868549486947444580777978,8190938894913930314376872322362834263325(LDSHOWN)

Model LG & LD Pool and Spa HeaterPage 25NOTES

Page 26WATERPIK TECHNOLOGIES INC.LAARS LITE 2LIMITED WARRANTYYour Laars Lite 2 pool/spa heater is backed by this double warrantyto assure your complet

Model LG & LD Pool and Spa HeaterPage 1SECTION 1.General Information1A. IntroductionThis manual provides installation and operationinstructions fo

Page 2WATERPIK TECHNOLOGIES INC.Gas-Fired Pool Heaters, ANSI Z21.56, and in Canadawith CAN1-4.7-M85.Certain sections of this manual are specific toeit

Model LG & LD Pool and Spa HeaterPage 3Notes:1. An Underwriters' Laboratories listed vent cap is required to prevent downdraft and allow the

Page 4WATERPIK TECHNOLOGIES INC.Locate the heater in an open, unroofed area. Donot install the heater under a deck. Do not locate theheater below or a

Model LG & LD Pool and Spa HeaterPage 5without modification and in accordance with all local,state, provincial and national codes.Proper ventilati

Page 6WATERPIK TECHNOLOGIES INC.7. Disconnect the heater and its individual shutoffvalve from the gas supply system during pressuretesting of the syst

Model LG & LD Pool and Spa HeaterPage 7IG N/120IG N/240(LI)(L2)IG NTHVALVEGNDREMOTECONNECTORSPAPOOLOFFWATERTEMPSENSORPRESSURESWITCHLIMITLIMITFIREM