Page 3
Legacy
™
Model LRZM Pool/Spa Heater Installation and Operation Manual
Section 1. General Information .............. 5
1.1 Introduction
..............................................5
1.2
Consumer Information and Safety ...........5
1.2.1 Spa/Hot Tub Safety Rules ..........5
1.2.2 Swimming Pool Energy Saving
Tips ............................................6
1.3 Warranty
..................................................6
1.4
Codes and Standards ..............................6
1.5 Technical
Assistance
...............................6
1.6
Materials Installer Must Provide ..............7
1.6.1 Materials for All Applications ......7
1.6.2 Materials for Special
Applications ................................7
1.7 Speci
fi
cations ..........................................7
1.7.1 General
Speci
fi
cations ...............7
1.7.2 Dimensions
................................8
Section 2. Installation Instructions ........ 8
2.1 Introduction
..............................................8
2.2 Field
Assembly
.......................................8
2.3 Location
Requirements
...........................8
2.3.1 Introduction
................................8
2.3.2 Clearances
.................................9
2.3.3 Flooring
......................................10
2.3.4 Outdoor
Installation
....................10
2.3.5 Indoor and Outdoor Shelter
Installations ................................11
Section 3. Venting.................................... 12
3.1 Combustion
Air
Supply
............................12
3.2
Vent Pipe Sizing and General
Installation ..............................................13
3.2.1 Outdoor
Installations
..................13
3.2.2 Indoor and Outdoor Shelter
Installations ................................13
3.2.3 Inspection and Replacement of
Existing Vent System with New
Components ..............................14
Section 4. Gas Connections ................... 14
4.1
Gas Supply and Piping ............................14
4.2 Manifold
Pressure
...................................15
4.3
Special Precautions for LP Gas ..............16
Section 5. Water Connections ................ 16
5.1 Water
Piping
............................................16
5.2
Check Valve Installation ..........................17
5.3
Automatic Flow Control Valve .................17
5.4
Reversible Water Connections ................17
5.5
Connections at Heater .............................19
5.6
Pressure Relief Valve ..............................19
5.7
Auxiliary Components, Chlorinators,
Ozone Generators, and Sanitizing
Chemicals ................................................20
Section 6. Electrical................................. 21
6.1 Main
Power
.............................................21
6.2 Bonding
...................................................21
6.3
Auxiliary Time Clock Wiring .....................21
Section 7. Operating Instructions .......... 23
7.1 Normal
Operation
....................................23
7.2 Start-Up
...................................................23
7.3
Lighting and Shutdown Procedures ........24
7.4
Turning the Heater On/Off and
Setting the Temperature Control .............24
7.5
Adjusting the Water Pressure Switch ......26
7.6 Temperature
Rise
....................................27
Section 8. Maintenance ........................... 28
8.1 Water
Chemistry
......................................28
8.2 Seasonal
Care
.........................................28
8.2.1 Spring and Fall Operation ..........28
8.2.2 Winterizing
.................................28
8.2.3 Spring
Start-up
...........................29
8.3
Inspection and Service ............................29
8.3.1 Owner
Inspection
.......................29
8.3.2 Professional
Inspection
..............30
Section 9. Troubleshooting .................... 31
9.1 General
Heater
Troubleshooting
.............31
Table of Contents
Summary of Contents for Legacy LRZM
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