Table Of Contents - Hayward Universal H-Series Low NOx Service & Installation Manual

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CONTENTS
Section I General information ........................... 7
Introduction .................................................... 7
Warranty ........................................................ 7
Maintaining proper water chemistry ............... 7
Section II Installation ......................................... 9
Equipment inspection .................................... 9
Important notice ............................................. 9
Conformance with codes ............................... 9
Altitude of installation ..................................... 9
Uncrating the heater .................................... 11
Locating the heater ....................................... 11
Flooring ........................................................ 12
Tie-Down Brackets ....................................... 12
Indoor Installation and Venting ..................... 13
Clearances ................................................... 13
Air Supply ..................................................... 13
Vertical Venting ............................................. 15
Horizontal or Vertical Venting ....................... 16
Vent Kit Installation ....................................... 18
Reversible water connections ...................... 20
All gas installations ...................................... 22
Water piping ................................................. 25
Installation above pool surface .................... 27
Chlorinator/chemical feeder ......................... 27
Drain valve installation (ASME Models) ....... 28
Pressure relief valve .................................... 28
Electrical specifications ................................ 28
Electrical connections .................................. 29
Remote control connection .......................... 31
Section III Check-out & Start-up ..................... 33
General ........................................................ 33
Gas line testing ............................................ 33
Gas pressure testing ................................... 34
Gas pressure test procedure ....................... 34
Water pressure switch ................................. 35
Two-speed pump ......................................... 35
Temperature control operation ..................... 36
Set point adjustment .................................... 36
Fahrenheit v. Celsius ................................... 36
Heating mode .............................................. 36
Retry (Failure of light) .................................. 37
Recycle (Loss of flame) ............................... 37
Keypad inputs .............................................. 37
Automatic reset time .................................... 38
Periodic inspection ...................................... 38
Winterization ................................................ 38
Draining the heat exchanger ....................... 39
Spring start-up ............................................. 39
Section IV Technician Service ........................ 40
General ........................................................ 40
Maintenance ................................................ 40
Control access ............................................. 40
Heat exchanger inspection and cleaning ..... 41
Combustion chamber .................................. 41
Heat exchanger removal ............................. 41
Burner inspection ......................................... 42
Burner removal ............................................ 42
Burner installation ........................................ 43
Gas valve replacement ................................ 43
Igniter ........................................................... 44
Flame sensor ............................................... 44
Burner orifices ............................................. 44
Gas conversion ............................................ 45
Control locations .......................................... 45
Electrical wiring ............................................ 45
Ignition control board ................................... 46
Display board and keypad ........................... 46
Blower vacuum switch .................................. 46
High limit switch ........................................... 47
Thermistor .................................................... 48
Water pressure switch ................................. 48
Transformer ................................................. 49
Blower .......................................................... 49
By-pass service cartridge ............................ 49
Section V Troubleshooting ............................. 50
General ........................................................ 50
Automatic reset time .................................... 50
Supply wiring ............................................... 50
Internal wiring .............................................. 51
Fuse specifications ...................................... 51
Error codes ................................................... 52
Troubleshooting ........................................... 54
Warranty ....................................................... 58
Service Parts ................................................ 60
USE ONLY HAYWARD GENUINE REPLACEMENT PARTS
Pomona, CA Clemmons, NC Nashville, TN
Tel: 908-351-5400 www.haywardpool.com