TABLE OF CONTENTS
SECTION 1.
General Information
1.1 Introduction ................................................... 1
1.2 Consumer Information and Satefy .................. 1
1.3 Warranty ....................................................... 2
1.4 Codes and Standards .................................... 2
1.5 Technical Assistance .................................... 2
1.6 Materials Installer Must Provide ..................... 3
1.7 Specifications................................................ 3
SECTION 2.
Installation Instructions
2.1 Introduction ................................................... 4
2.2 Field Assembly ............................................. 4
2.3 Location Requirements.................................. 5
SECTION 3.
Venting
3.1 Combustion Air Supply.................................. 8
3.2 Vent Pipe Sizing and General Installation ...... 9
SECTION 4.
Gas Connections
4.1 Gas Supply and Piping .............................. 10
4.2 Manifold Pressure ...................................... 11
4.3 Special Precautions for LP 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 ................................. 15
5.7 Auxiliary Components, Chlorinators, Ozone
Generators, and Sanitizing Checmicals ..... 16
SECTION 6.
Electrical
6.1 Main Power................................................ 17
6.2 Bonding ..................................................... 17
6.3 Auxiliary Time Clock Wiring ....................... 17
6.4 Remote Operation ...................................... 19
SECTION 7.
Operating Instructions
7.1 Normal Operations ..................................... 19
7.2 Start-Up ..................................................... 19
7.3 Lighting and Shutdown Procedures ............ 21
7.4 Turning the Heater On/Off and Setting the
temperature control .................................... 21
7.5 Water Pressure Switch Adjustment ........... 23
7.6 Temperature Rise ....................................... 23
7.7 Adjusting the Manual Bypass Valve ........... 24
SECTION 8.
Maintenance
8.1 Water Chemistry ........................................ 24
8.2 Seasonal Care ........................................... 25
8.3 Inspection and Service ............................... 26
SECTION 9.
Troubleshooting
9.1 General Heater Troubleshooting ................. 28
9.2 Troubleshooting Guide ............................... 28
SECTION 10.
Professional Maintenance Service and
Diagnostic Troubleshooting
10.1 General Information .................................... 29
10.2 Natural-Draft Combustion System .............. 29
10.3 Heater Components and Their Operation .... 29
10.4 Electrical Troubleshooting .......................... 30
SECTION 11.
Replacment Parts
11.1 Ordering Information ................................... 34
11.2 Parts List ................................................... 36
11.3 General Exploded View .............................. 37
11.4 Detailed Exploded View ............................. 38
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