Raypak 406A Installation And Operation Manual page 41

TROUBLESHOOTING (CONT:)
Problem
Takes too long to heat pool or
spa
Leaking at well
Leaking at heat exchanger
Gasket brittle and leaking -
(overheated)
PRELIMINARY
Possible Cause
Under-sized heater .................................
Filter not running long enough ................
Dirty filter ................................................
Gas line or meter undersized .................
Overacid .................................................
Overacid .................................................
Heater running after pump shuts off .......
Refractory damage .................................
Sooted heater .........................................
UNCONTROLLED DOCUMENT IF PRINTED
Corrective Action
Calculate heating capacity of heater
Htr. output (BTUH)
Pool gallonage x 8.33
or refer to heater sizing chart
This does not take into account heat loss due to weather
Reset time clock
Clean filter
Refer to installation instructions
Replace well and maintain proper water chemistry
Replace heat exchanger and maintain proper water chemistry
See Pressure switch adjustment
Replace refractory
Determine cause of sooting and correct
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