Table Of Contents - Jandy LG125 Installation And Operation Manual

SECTION 1.
General Information
1.1 Introduction .......................................................... 1
1.2 Consumer Information and Safety ...................... 1
1.2.1 Spa/Hot Tub Safety Rules .................................... 1
1.2.2 Swimming Pool Energy Saving Tips ................... 2
1.3 Warranty ............................................................... 2
1.4 Codes and Standards ......................................... 2
1.5 Technical Assistance ........................................... 2
1.6 Materials Installer Must Provide ........................... 3
1.6.1 Materials For All Installations ............................... 3
1.6.2 Materials For Special Installations ...................... 3
1.7 Specifications ....................................................... 3
1.7.1 General Specifications ........................................ 3
1.7.2 Dimensions ......................................................... 4
SECTION 2.
Installation Instructions
2.1 Introduction .......................................................... 4
2.2 Field Assembly .................................................... 4
2.3 Location Requirements ....................................... 4
2.3.1 Introduction .......................................................... 4
2.3.2 Clearances .......................................................... 5
2.3.3 Flooring ................................................................ 6
2.3.4 Outdoor Installation .............................................. 6
2.3.5 Indoor and Outdoor Shelter Installation .............. 7
SECTION 3.
Venting
3.1 Combustion Air Supply ........................................ 7
3.2 Vent Pipe Sizing and General Installation ........... 9
3.2.1 Outdoor Installations ........................................... 9
3.2.2 Indoor and Outdoor Shelter Installations ............ 9
3.2.3 Inspection and Replacement of Existing Vent
System with New Components ......................... 10
SECTION 4.
Gas Connections
4.1 Gas Supply and Piping ...................................... 10
4.2 Manifold Pressure .............................................. 11
4.3 Special Precautions for Propane Gas ............... 12
SECTION 5.
Water Connections
5.1 Water Piping ....................................................... 12
5.2 Check Valve Installation ..................................... 13
5.3 Automatic Flow Control Valve ............................ 13
5.4 Reversible Water Connections .......................... 13
5.5 Connections at Heater ....................................... 15
5.6 Pressure Relief Valve ........................................ 16
5.7 Auxiliary Components, Chlorinators, Ozone
Generators and Sanitizing Chemicals .............. 16
SECTION 6.
Electrical Connection
6.1 Main Power ....................................................... 17

TABLE OF CONTENTS

6.2
6.3
SECTION 7.
Operating Instructions
7.1
7.2
7.3
7.4
7.5
7.6
7.7
SECTION 8.
Maintenance
8.1
8.2
8.2.1
8.2.2
8.2.3
8.3
8.3.1
8.3.2
SECTION 9.
Trouble Shooting
9.1
9.2
SECTION 10.
Professional Maintenance, Service and
Diagnostic Trouble Shooting
10.1
10.2
10.3
10.4
10.4.1
10.4.2
10.4.3
10.4.4
10.4.5
10.4.6
10.4.7
10.4.7.1 ON/OFF Toggle Switch ..................................... 32
10.4.7.2 Variable Temperature Control ......................... 32
10.4.7.3 Temperature Sensor ........................................ 32
10.4.7.4 Temperature Control Circuit Board .................. 32
SECTION 11.
Replacement Parts
11.1
11.2
11.3
11.4
Bonding ............................................................ 17
Auxiliary Time Clock Wiring .............................. 17
Normal Operation ............................................. 17
Start -Up ............................................................ 19
Lighting and Shutdown Procedures ................ 20
Turning the Heater On/Off and Setting the
Temperature Control ........................................ 20
Water Pressure Switch Adjustment ................. 22
Temperature Rise ............................................ 22
Adjusting the Manual Bypass Valve ................. 23
Water Chemistry ............................................... 23
Seasonal Care ................................................. 24
Spring and Autumn Operation ......................... 24
Winterizing ........................................................ 25
Spring Start-up ................................................. 25
Inspections and Service ................................... 25
Owner Inspection ............................................. 25
Professional Inspection ................................... 26
General Heater Trouble Shooting .................... 27
Trouble Shooting Guide ................................... 27
General Information ......................................... 28
Natural Draft Combustion System ................... 28
Heater Components And Their
Operation .......................................................... 28
Electrical Trouble Shooting .............................. 29
Gas Valve .......................................................... 30
Pilot Generator ................................................. 30
Fusible Link ...................................................... 30
Fireman switch and External Interlocks ........... 31
Limit Switches .................................................. 31
Water Pressure Switch ..................................... 32
Temperature Control Circuit ............................ 32
Ordering Information ........................................ 34
Parts List .......................................................... 34
General Exploded View .................................... 36
Detailed Exploded View ................................... 37
Warranty .............................................. Back Cover