Table of Contents
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SECTION 1.
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.
2.1
Introduction ................................................... 4
2.2
Field Assembly ............................................. 4
2.3
Location Requirements .................................. 5
SECTION 3.
3.1
Combustion Air Supply .................................. 8
3.2
SECTION 4.
4.1
Gas Supply and Piping .............................. 10
4.2
Manifold Pressure ...................................... 11
4.3
Special Precautions for LP Gas ................. 12
SECTION 5.
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
SECTION 6.
6.1
Main Power ................................................ 17
6.2
Bonding ..................................................... 17
6.3
Auxiliary Time Clock Wiring ....................... 17
6.4
Remote Operation ...................................... 19
TABLE OF CONTENTS
SECTION 7.
7.1
7.2
7.3
7.4
7.5
7.6
7.7
SECTION 8.
8.1
8.2
8.3
SECTION 9.
9.1
9.2
SECTION 10.
10.1
10.2
10.3
10.4
SECTION 11.
11.1
11.2
11.3
11.4
Normal Operations ..................................... 19
Start-Up ..................................................... 19
Lighting and Shutdown Procedures ............ 21
temperature control .................................... 21
Water Pressure Switch Adjustment ........... 23
Temperature Rise ....................................... 23
Adjusting the Manual Bypass Valve ........... 24
Water Chemistry ........................................ 24
Seasonal Care ........................................... 25
Inspection and Service ............................... 26
General Heater Troubleshooting ................. 28
Troubleshooting Guide ............................... 28
General Information .................................... 29
Natural-Draft Combustion System .............. 29
Electrical Troubleshooting .......................... 30
Ordering Information ................................... 34
Parts List ................................................... 36
General Exploded View .............................. 37
Detailed Exploded View ............................. 38
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Table of Contents
Troubleshooting
