3
CONTENTS
2 Water Chemistry
4 WARNINGS
4 Pay Attention to These Terms
7 Lighting & Shutdown Instructions
8 Pool & Spa Water Chemistry
8 Automatic Chlorinators & Chemical Feeders
8 Cold Weather Operation
8 Winterizing the Pool & Spa Heater
10 Code Requirements
11 Clearances
11 Outdoor Heater Installation
13 Florida Building Code
14 Indoor Heater Installation
14 Specifications and Dimensions
16 Combustion and Ventilation Air
16 Direct Vent
17 Venting
18 Support of Vent Stack
18 Vent Terminal Location
19 Venting Installation Tips
19 Condensate Management
20 Venting Configurations
20 Vertical Venting (Category IV)
22 Horizontal Through-the-Wall Venting
(Category IV)
23 Direct Vent - Horizontal
25 Direct Vent - Vertical
25 Outdoor Installation
26 Gas Supply Connections
26 Supply Pressures
26 Gas Pressure Adjustment Locations
26 Pipe Sizing For Gas Connections
26 Heat Exchanger Pressure Drop Tables
27 Flow Rates
27 External Automatic Bypass Valve
27 External Auxiliary Bypass Valve
27 Auxiliary Bypass Valve Adjustment
27 Pressure Relief Valve Piping
28 Electrical Wiring
28 Transformer Wiring
29 Plumbing—Water Connections
29 Loose Plumbing Parts Setup
30 Recommended Plumbing Setups
32 Wiring Diagram
33 General Location of Controls
34 Control Adjustments
34 Control Panel Removal
35 Thermostat Operation - Direct Spark Board
36 Installer Setup Mode
38 Status and Diagnostics
40 Remote Control Installation and Operation
40 Remote Operation
40 Activating the Remote
41 Remote Control Wiring
41 2-Wire Remote Control
41 3-Wire Remote Control
42 Time Clock / Fireman’s Switch
42 High Limits
42 Flow Switch
42 Blocked Vent Switch
42 Adjusting Valve Manifold Pressure
43 Visual Inspection
43 Electrical
43 Orifice Removal
43 Combustion Settings
43 Igniter Removal
44 Mechanical
45 Control Logic - Flow Chart
46 Illustrated Parts List
48 Part Numbers
50 Important Instructions for the
Commonwealth of Massachusetts
51 Installer Setup Record
5 PART ONE
OWNER'S OPERATING INSTRUCTIONS
5 SECTION 1
START-UP PROCEDURES
6 SECTION 2
CAUTION
6 SECTION 3
MAINTENANCE & CARE PROCEDURES
10 SECTION 3
INSTALLATION INSTRUCTIONS
10 SECTION 2
GENERAL SPECIFICATIONS
9 SECTION 1
RECEIVING EQUIPMENT
9 PART TWO
INSTALLATION & SERVICE INSTRUCTIONS
33 SECTION 4
SERVICING INSTRUCTIONS
43 SECTION 5
TROUBLESHOOTING
46 SECTION 6
REPLACEMENT PARTS
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