Gas Conversion; Control Locations; Electrical Wiring - Hayward H250FDN Service & Installation Manual



GAS CONVERSION:

The factory-installed gas train, where appropriate, may be changed from natural gas to propane or from
propane to natural gas, using the appropriate conversion kits available from the factory. Gas conversions are
to be performed only by a qualified service agency. Detailed instructions are included with each
ATTENTION: Conversion kits are not available in Canada. Conversions must be performed by the
conversion station at Hayward Pool Products Canada, Inc.

CONTROL LOCATIONS:

The following sections give a brief overview of the various heater controls and service/replacement pro-
cedures. The text describes the function of the controls. See Figure .

ELECTRICAL WIRING:

ATTENTION: If it is necessary to replace any of the original wiring, it must be replaced with
Hayward supplied replacement parts.
Figure 42: Control locations
Blower vacuum switch
Blower
Transformer
Ignition control board
Connect fan
vacuum
Flame sensor
tubing here
USE ONLY HAYWARD GENUINE REPLACEMENT PARTS
Keypad &
display board
Fuse board
Water pressure
switch
(behind trim
panel)
High limit
switches
Igniter
Thermistor
(behind trim panel)
Pomona, CA Clemmons, NC Nashville, TN
Tel: 908-351-5400
kit.
www.haywardpool.com