Hayward H400FDN Universal H Series Troubleshooting Guide - Page 13

How To: Program Heater Bypass Operation - pool heater

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How To: Program Heater Bypass Operation Follow the included steps to place the heater in bypass mode for external control. Step 1 Step 2 Press the 'MENU ICON' button to place the heater in 'STANDBY'. Step 3 Press and hold the minus button and 'MENU ICON' button for 3 seconds. Step 4 'bo' should appear on the display when the heater has successfully entered bypass mode. Once in bypass, press the 'MENU ICON ' button until 'POOL' or 'SPA' is illuminated. NOTE: the maximum temperature set point is 104° F. 13

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How To: Program Heater Bypass Operation
Follow the included steps to place the heater in bypass mode for external control.
NOTE: the maximum temperature set point is 104° F.
Press the
‘MENU ICON’
button to place the
heater in ‘STANDBY’.
Press and hold the
minus button and ‘MENU
ICON’
button for 3 seconds.
‘bo’ should appear on the display when the
heater has successfully entered bypass mode.
Once in bypass, press the
‘MENU ICON ’
button until ‘POOL’ or ‘SPA’ is illuminated.
Step 2
Step 3
Step 4
Step 1