Hayward HDF400 Troubleshooting Guide

11
How To: Program Temperature Lock-Out (cont.)
Press the ‘MENU ICON’ button to toggle to the
‘POOL’ now that the ‘SPA’ is set.
Raise or lower the temperature displayed
using the minus or plus button.
To finalize, press the ‘MENU ICON’ button
until the heater goes back into ‘STANDBY’.
Step 6Step 5
Step 7
NOTE: The default Max temp set points are 90ºF (Pool) 104ºF (Spa).
When setting the max temp lock-out set point, the LEDs & display should flash rapidly.

Hayward HDF400 Specifications

General

Model	HDF400
Category	Gas Heater
BTU Input	400, 000 BTU
Fuel Type	Natural Gas or Propane
Heat Exchanger	Cupro-Nickel
Efficiency	84%
Ignition System	Electronic
Warranty	1 year