Astralpool 175 - GAS PIPE SIZING TABLES

INST 318 HINRG HEATER – V01-18
- 18 -
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
THE FOLLOWING CODES MAY OCCUR DURING STARTUP
LONG
FLASHES
SHORT FLASHES
DESCRIPTION
0
2
NORMAL OPERATION – START UP DELAY
1
0
NORMAL OPERATION
1
1
FLAME FAILURE DETECTED
1
2
WAITING FOR MAIN PRESSURE SWITCH
1
3
WAITING FOR SECOND PRESSURE SWITCH
1
4
WAITING FOR FLAME SENSE TO GO OFF
1
5
PURGE OPERATION IN PROGRESS (PRE PURGE OR POST PURGE)
1
8
WAITING FOR FAN TACHO FEEDBACK SIGNAL TO BE WITHIN ACCEPTABLE WINDOW (MODULE
OPTION)
THE FOLLOWING CODES ARE INVOKED AS A RESULT OF A LOCKOUT CONDITION
LONG
FLASHES
SHORT FLASHES
DESCRIPTION
2
1
MAXIMUM RETRIES EXCEEDED
2
2
LOCK OUT DUE TO FLAME FAILURE
2
3 OR 4 OR 5
HARDWARE FAILURE ON MODULE OUTPUT(S). POSSIBLE HARDWARE FAILURE ON MODULE
2
6
HARDWARE FAILURE ON FLAME SENSING CIRCUIT
2
7
HARDWARE FAILURE IN MODULE
2
8
COMBUSTION FAN TIMEOUT (WHERE FITTED)
2
9
VENT SWITCH LOCKOUT (WHERE FITTED)
THE FOLLOWING CODES ARE INVOKED AS A RESULT OF A LOCKOUT CONDITION/HARDWARE FAULT
LONG
FLASHES
SHORT FLASHES
DESCRIPTION
3
1
LOCKOUT DUE TO MAIN PRESSURE SWITCH OPENING (WHERE FITTED)
3
2
LOCKOUT DUE TO SECOND PRESSURE SWITCH OPENING (WHERE FITTED)
3
3
LOCKOUT DUE TO FAN TACHO. FEEDBACK SIGNAL FAILING (WHERE FITTED)