Operating instructions

Contents
4 PART ONE - Owner's Operating Instructions
4 SECTION 1 / START-UP PROCEDURES
4 Before Start-Up
5 Lighting Instructions & Shut-Off Procedures
(manually lighted MILLIVOLT pilot)
6 Operating Instructions & Shut-Off Procedures
(automatically lighted IID pilot )
7 After Start-Up
7 SECTION 2 / CAUTION
7 SECTION 3 / MAINTENANCE & CARE PROCEDURES
8 Pool & Spa Water Chemistry
8 Winterizing the Pool and Spa Heater
9 PART TWO - Installation / Service Instructions
9 SECTION 1 / RECEIVING EQUIPMENT
9 SECTION 2/GENERAL SPECIFICATIONS
9 SECTION 3 / INSTALLATION INSTRUCTIONS
9 Code Requirements
9 Base Installation
9 Clearances
11 Combustion Air
11 Venting Connections
13 Gas Supply Connections
14 Plumbing for Water Connections
15 Electrical Wiring
17 Wiring Diagrams
19 SECTION 4 / SERVICING INSTRUCTIONS
19 General Location of Controls
19 Control Adjustments / Replacements
20 Pressure Switch
20 Flame Roll-Out Safety Switch
20 High Limit
20 High Limit Removal
20 Pilot Safety
21 Burner tray Removal
21 Gas Valve
21 Main Burner & Orifice
21 Pilot Removal & Cleaning
21 Heat Exchanger Removal
22 Desooting Procedure
22 Combustion Chamber Removal
22 Control Immersion Well Replacement
22 Unitherm Governor Replacement
23 SECTION 5 / TROUBLESHOOTING GUIDE
23 Mechanical
24 Electrical MILLIVOLT Units
25 Electrical IID Units
27 SECTION 6 / REPLACEMENT PARTS
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