2
3
PART ONE - Owner's Operating Instructions
3
SECTION 1 / START-UP PROCEDURES
3
Before Start-Up
4
Lighting Instructions & Shut-Off Procedures
(Manually Lighted Pilot MV)
5
Operating Instructions & Shut-Off Procedures
(Automatically Lighted Pilots IID)
6
After Start-Up
6
SECTION 2 / CAUTION
7
SECTION 3 / MAINTENANCE & CARE PROCEDURES
7
Pool & Spa Water Chemistry
8
Cold Weather Operation
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
7
Code Requirements
9
Base Installation
10
Clearances
12
Combustion Air
12
Venting Connections
14
Gas Supply Connections
15
Plumbing For Water Connections
17
Electrical Wiring
21
SECTION 4 / SERVICING INSTRUCTIONS
21
General Location Of Controls
21
Control Adjustments / Replacements
22
Pressure Switch
22
High Limit Removal
22
Flame Roll-Out Safety Switch
23
Pilot Safety (MV Units)
23
Pilot Safety (IID Units)
23
Gas Valve Removal
23
Main Burner & Orifice Removal
23
Pilot Removal & Cleaning
24
Heat Exchanger Removal
24
Control Immersion Well Replacement
24
Tube Cleaning Procedure (Typical)
25
Tube Replacement Procedure
25
Desooting Procedure
25
Combustion Chamber Removal
26
SECTION 5 / TROUBLESHOOTING GUIDE
26
Mechanical
28
Electrical IID Units
30
SECTION 6 / REPLACEMENT PARTS
CONTENTS
Summary of Contents for VERSA 155C
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