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