Hayward H250 User Manual

SECTION 1 GENERAL INFORMATION......................................................................... 2
Introduction.................................................................................................. 2
Hayward Heaters........................................................................................ 3
SECTION 2 HEATER SIZING......................................................................................... 4
Selecting the Correct Size Heater............................................................... 4
For A Swimming Pool................................................................................. 4
For A Spa Or Hot Tub................................................................................. 4
SECTION 3 INSTALLATION........................................................................................... 5
Equipment Inspection................................................................................. 5
Conformance With Codes........................................................................... 5
Sea Level/High Altitude Installation............................................................. 5
Location Of Heater...................................................................................... 5
Flooring........................................................................................................ 5
Outdoor/Indoor Vents.................................................................................. 6
Outdoor Heater - High Wind Conditions..................................................... 6
Reversible Water Connections.................................................................... 7
Outdoor Installation And Venting................................................................. 8
Indoor Installation And Venting.................................................................... 9
Air Supply.................................................................................................... 9
Equipment Located in Conned Spaces..................................................... 9
Venting......................................................................................................... 10
Gas Supply And Piping................................................................................ 11
Gas Pipe Size............................................................................................. 11
All Gas Installations..................................................................................... 12
Water Piping................................................................................................ 12
Installation Above Pool/Spa Surface........................................................... 14
Automatic Chlorinators And Chemical Feeders.......................................... 14
Pressure Relief Valve.................................................................................. 14
Millivolt System........................................................................................... 15
Electronic Ignition System........................................................................... 14
Remote Control Connection........................................................................ 17
SECTION 4 INSTALLER CHECK-OUT & START-UP.................................................... 19
General........................................................................................................ 19
Gas Line Testing.......................................................................................... 19
Gas Pressure Test Procedure..................................................................... 19
Installation Below Pool/Spa Surface........................................................... 20
Two Speed Pump....................................................................................... 20
SECTION 5 CONSUMER OPERATION & MAINTENANCE PROCEDURES ............... 21
General........................................................................................................ 21
Pool/Spa Water Chemistry.......................................................................... 21
Using Chlorinators And Chemical Feeders................................................. 21
Facts About Water Chemistry...................................................................... 21
CONTENTS

Hayward H250 Specifications

General

Model	H250
Category	Swimming Pool Heater
Thermal Efficiency	80%
Maximum Working Pressure	50 psi
BTU Input	250, 000 BTU
Heat Exchanger	Cupro-Nickel
Ignition Type	Direct Spark
BTU Output	200, 000 BTU/hr
Ignition	Direct Spark Ignition