TROUBLESHOOTING
IMPORTANT NOTICE
These instructions are primarily intended for the use of qualified personnel specifically trained and experienced in the installation of this type of heating equipment and related system components. Installation and service personnel may be required by some states to be licensed. Persons not qualified shall not attempt to install this equipment nor attempt repairs according to these instructions.
MECHANICAL (FOR QUALIFIED SERVICE PERSONNEL ONLY)
PROBLEM
Harmonics, or whining noise
CAUSE
U.G. Inoperative……………………
*Debris or restriction in system……
*Debris in gas line…………………..
Lowflow……………………………...
SOLUTION
Check movement by putting in hot water (110°F or higher). If no move- ment, replace.
Locate the restriction and remove. Flush system and clean.
Remove debris or blow out gas line. Scale forming in heat exchanger - clean heat exchanger and check pool pH and total alkalinity.
Heater going on and off continously
Liming or scale forming on heatexchanger
Dirty filter……………………………
Low water level in pool..……………
External bypass setting out of adjustment…………………………..
*Pressure switch out of adjustment…………………………..
Pool water…………………………....
Backwash filter.
Raise water level.
Adjust bypass
Adjust pressure switch
Recommended pH should be be- tween 7.3 and7.8total alkalinity100- 150PPM maximum. Hardness
Sooting
Pilot outage
Yellow lazy flame
Highflowrates…………………….....
U.G.Inoperative……………………..
*Airstarvation………………………..
*Improperventing…………………....
*Insects or debris clogging burnerintakeports…………………..
Lowgaspressure…………………....
Restricted pilot……………………....
Weak pilot generator………………..
Lowgaspressure…………………....
*Insects or debris clogging burnerintakeports…………………..
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Reduce by adding manual bypass valve and adjust by putting ther- mometer in header (1/4" NPT) drain opening. Set bypass so thermome- ter reads between 105° and 110°F. Check movement by putting in hot water (110°F or higher). If no move- ment, replace.
Refer to installation instructions. Follow recommended installation instructions.
Clean burners
Adjust gas pressure.
Clean pilot.
Replace pilot.
Adjust gas pressure.
Clean burners.
*Usually occurs on initial