3
CONTENTS
2
Water Chemistry
4
WARNINGS
4
Pay Attention to These Terms
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 and Texas Building Codes
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
Venting Configurations
19
Natural Draft Vertical Venting (Category I)
21
Horizontal Through-the-Wall Direct Venting
(Category III)
22
Direct Vent - Vertical
23
Outdoor Installation
24
Gas Supply Connections
24
Gas Pressure Adjustment Locations
25
Pipe Sizing For Gas Connections
25
Flow Rates
25
Heat Exchanger Pressure Drop Tables
25
Internal Automatic Bypass Valve
25
External Auxiliary Bypass Valve
25
Auxiliary Bypass Valve Adjustment
26
Pressure Relief Valve Installation
26
Electrical Wiring
27
Transformer Wiring
28
Optional Left-Hand Wiring
28
Plumbing—Water Connections
32
Wiring Diagram
33
General Location of Controls
34
Control Adjustments
34
Control Panel Removal
35
Thermostat Operation - Direct Spark Board
37
Status and Diagnostics
38
Remote Control Installation and Operation
38
Remote Operation
38
Activating the Remote
39
Remote Control Wiring
39
2-Wire Remote Control
39
3-Wire Remote Control
40
Time Clock / Fireman’s Switch
40
High Limits
40
Flow Switch
40
Air Pressure & Blocked Vent Switches
41
Visual Inspection
41
Electrical
41
Orifice Removal
41
Igniter Removal
42
Mechanical
43
Control Logic - Flow Chart
44
Illustrated Parts List
45
Part Numbers
47
Important Instructions for the
Commonwealth of Massachusetts
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
42
SECTION 5
TROUBLESHOOTING
44
SECTION 6
REPLACEMENT PARTS