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Hayward
Swimming Pool Heater
H250
Hayward H250 User Manual
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29
SECTION 6.
QUALIFIED TECHNICIAN - MAINTENANCE/SERVICING
Figure 47: Burner Removal
Figure 48: Pilot
Assembly Removal
GAS V
AL
VE
SECURING SCREW
CLICKLITE
TM
SHOWN WITHOUT SURROUNDING
HEA
TER CABINET FOR CLARITY
SECURING SCREW
PILOT
2 SCREWS
BRACKET
CLICKLITE
TM
CLINCH
STUD
30
32
Table of Contents
Default Chapter
2
Table of Contents
2
General Information
4
Introduction
4
Hayward Heaters
4
Heater Sizing
6
Selecting the Correct Size Heater
6
For a Swimming Pool
6
For a Spa or Hot Tub
6
Installation
7
Equipment Inspection
7
Conformance with Codes
7
Sea Level/High Altitude Installation
7
Location of Heater
7
Flooring
7
Outdoor/Indoor Vents
8
Outdoor Heater - High Wind Conditions
8
Reversible Water Connections
9
Outdoor Installation and Venting
10
Indoor Installation and Venting
11
Air Supply
11
Equipment Located in Confined Spaces
11
Venting
12
Gas Supply and Piping
13
Gas Pipe Size
13
All Gas Installations
14
Water Piping
14
Plumbing Connections
15
Installation above Pool/Spa Surface
16
Automatic Chlorinators and Chemical Feeders
16
Pressure Relief Valve
16
Millivolt Wiring Diagram
17
Millivolt System
17
Electronic Ignition System
17
Remote Control Connection
19
Installer Check-Out & Start-Up
21
General
21
Gas Line Testing
21
Gas Pressure Test Procedure
21
Installation below Pool/Spa Surface
22
Two Speed Pump
22
Consumer Operation & Maintenance Procedures
23
General
23
Pool/Spa Water Chemistry
23
Using Chlorinators and Chemical Feeders
23
Facts about Water Chemistry
23
Heater Operation
23
Lighting Instructions - Millivolt
24
Operating Instructions - Electronic Ignition
25
Temperature Controls
26
Periodic Inspection
26
Winterization
27
Spring Start-Up
27
Qualified Technician - Maintenance/Servicing
28
General
28
Maintenance
28
Control Access
28
External Heat Exchanger Inspection and Cleaning
28
Heat Exchanger Removal
29
Combustion Chamber
29
Internal Heat Exchanger Inspection and Cleaning
29
Burner Inspection and Cleaning
30
Burner Assembly Removal
30
Burner Assembly Installation
30
Gas Valve Replacement
31
Pilot Assembly Removal
31
Igniter Assembly Removal
32
Main Burner Orifices
32
Gas Conversion
32
Control Locations
33
Electrical Wiring
33
System Switch
33
Temperature Controls
33
High Limits
33
Temperature Limiter Switches
34
Pressure Switch
34
By-Pass Valve
34
Thermal Control Valve
35
Transformer
36
Thermistor
36
Troubleshooting
36
Troubleshooting Chart
37
Troubleshooting Chart - Millivolt
38
Troubleshooting Chart - Electronic
40
Parts List - Millivolt
42
Parts Illustration - Millivolt
43
Parts List - Electronic Ignition
45
Parts Illustration - Electronic Ignition
46
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Hayward H250 Specifications
General
Brand
Hayward
Model
H250
Category
Swimming Pool Heater
Language
English
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