Waterpik Technologies LD, LG operation manual Section, 1A. Introduction

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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

with the installation. Consult the Waterpik 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 2 heater is design certified by International Approval Services (formerly American Gas Association and Canadian Gas Association) as complying with the latest edition of the Standard for

(920 cm)

 

 

 

 

 

Venting Dimensions

 

 

 

 

 

 

 

 

 

 

 

 

Model

Heater

 

 

 

 

U.S. Indoor or

Firing Rate / Hr.

Size

Width

 

Vent

U.S. Outdoor

CAN Outdoor

(1,000's)

 

Diameter

Dim "H"

 

 

 

 

Shelter Dim "H"

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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)

9 3/4

(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)

10 5/8

(27)

26 1/2

(67.3)

325

(81.9)

 

 

 

 

 

 

 

 

 

 

 

400

31 3/4

(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 2,000 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 2 is constructed for 75 psi working pressure.

3.Ratings shown are for both natural and propane gas.

Figure 1. General Configuration.

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Contents Outdoor Use Only Installation Laars Lite Pool and Spa HeaterTable of Contents 1A. Introduction Section1D. Technical Assistance 1C. Warranty2B. Field Assembly 1B. Description2C. Site Location 2C-1. Installation InformationUnited States 2C-2. Outdoor Installation2C-3. Flooring Typical Installation 2C-4. Indoor and Outdoor Shelter Installations2D. Combustion and Ventilation Air Supply 2E. Gas Supply and Piping2E-1. General Instructions 2F. Electrical Wiring 2E-2. Special Precautions for Propane Gas2F-1. General Information LD Only Model LD Wiring Diagram 92/7+$75,5,1*,$*5$0 2F-2. Auxiliary Time Clock Wiring2G-1. Flange Installation 2G. Water Flow System2F-3. Remote Operation Model LD Only 2G-2. Reversible Water Connections Piping installationFlue collector hold-down brackets 2G-4. Chlorinators, Ozone Generators Sanitizing Chemicals 2G-3. Check Valve Installation2G-6. Adjusting the Pressure Switch 2G-4a. Water Chemistry2G-5. Pressure Relief Valve 2G-7. Automatic Flow Control Valve 2G-8. Temperature Rise2G-9. Adjusting the Manual Bypass Valve Supply gas volume is too low3B-1. Model LD see 3B-2. Model LG see 3B. Lighting and Shutdown Procedures3C. Setting the Temperature Control 3A. General InformationDo not try to light any appliance Turn gas control knob clockwise Appliance switch to OFFReplace control access panel Service is to be performed 3B-1. Model LD Direct IgnitionWhat to do if YOU Smell GAS 3B-2. Model LG Standing Pilot3D-3. Spring Start-up 3D. Seasonal Care3D-1. Spring and Fall Operation 3D-2. Winterizing3F. Spa/Hot Tub Safety Rules 3E. Water Chemistry3G. Swimming Pool Energy Saving Tips 3H-1. Owner Inspection 4B. Parts List3H. Periodic Inspection 4A. General InformationOrder Heat Exchanger See Next page for Detail Shown Model LG & LD Pool and Spa Heater Limited Warranty
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