Jacuzzi J-HN250C User Manual

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INST 396 Jacuzzi® J-HN Series Heater V12-16
PERFORMANCE DETAILS
TO CHECK BURNER PERFORMANCE
1. Start pool pump supplying water to Gas Heater and ensure heater is turned off
2. Set up manometer to outlet side of gas valve
3. Turn the Heater on at the on/off switch
4. Increase temperature set point above the actual water temperature
5. Allow the heater to start
6. Ensure heater is running at full fan rate
7. Inspect flame from the flame inspection port on left hand side of the heater and ensure flames are blue
8. Check gas pressure on Manometer
9. Remove regulator cap on gas valve and adjust gas rate screw to achieve nominated burner pressure
10. Inspect flame again ensuring flame is blue in colour
11. Turn heater off and ensure the flame cuts out and the pressure switch symbol on the thermostat screen disappears
12. Turn heater on again, and ensure the thermostat displays “L” for lockout. Wait 2 minutes and the heater should then reignite.
13. Lower front door and secure shut.
TROUBLESHOOTING
HEATER WILL NOT LIGHT
Possible cause
Action
No display
Check if power to heater is turned on
Pump not running
Start pump
Pump air locked
Check for leaks
Filter dirty
Clean filter
Pump strainer basket clogged
Clean strainer
Thermostat turned off
Turn on
Set temperature lower than water temperature
Increase set temperature
Water too hot-fault condition displayed
Refer to fault indication table
Gas turned off
Turn gas cock on
Heater in a Fault condition
Refer to fault indication table
HEATER SHORT CYCLING (RAPID ON AND OFF OPERATION)
Possible cause
Action
Insufficient water flow
Clean filter and pump strainer
HEATER MAKING KNOCKING NOISES
Possible cause
Action
Low water flow
Check pump condition
Heater operating after pump has shut off
Shut off gas supply and call for service
Heat exchanger scaled
Shut off gas supply and call for service
IGNITION MODULE LED FLASH CODE
If the heater cannot be made to perform correctly, please contact the www.Jacuzzipool.com

Jacuzzi J-HN250C Specifications

General

Brand	Jacuzzi
Model	J-HN250C
Category	Heater
Language	English