Teledyne LLD User Manual

Model LLG & LLD Pool and Spa Heater
Page 1
SECTION 1.
General Information
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
Figure 1. General Configuration.
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
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 is constructed for 75 psi working pressure.
3. Ratings shown are for both natural and propane gas.
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)

Teledyne LLD Specifications

General

Brand	Teledyne
Model	LLD
Category	Swimming Pool Heater
Language	English

Summary

Section 1. General Information

1A. Introduction

Overview of the manual's purpose and heater models LLG and LLD.

Section 2. Installation Instructions

2A. General Information

General guidelines and standards for heater installation.

2B. Field Assembly

Instructions for assembling the heater in the field.

2C. Site Location

Guidance on selecting an appropriate location for the heater.

2D. Combustion and Ventilation Air Supply

Ensuring adequate air for combustion and ventilation.

2E. Gas Supply and Piping

Instructions for connecting the gas supply and piping.

2F. Electrical Wiring

Instructions for connecting the heater's electrical supply.

2G. Water Flow System

Instructions related to the heater's water flow system.

Section 3. Operating Instructions

3A. General Information

General operating guidelines for the heater.

3B. Lighting and Shutdown Procedures

Steps for lighting and shutting down the heater.

3C. Setting the Temperature Control

How to set the heater's temperature controls.

3D. Seasonal Care

Guidance for seasonal maintenance and storage.

3E. Water Chemistry

Importance of water chemistry for heater longevity.

3F. Spa/Hot Tub Safety Rules

Safety guidelines for using spas and hot tubs with the heater.

3G. Swimming Pool Energy Saving Tips

Recommendations for energy conservation.

3H. Periodic Inspection

Guidelines for periodic inspection of the heater.

Section 4. Parts List for Laars Lite Heater

4A. General Information

How to obtain parts and manuals.

4B. Parts List

Comprehensive list of heater parts and their numbers.

Laars Lite Limited Warranty