SECTION 5 / TROUBLESHOOTING GUIDE
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…………………..
Low flow……………………………...
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 heat exchanger
Dirty filter……………………………
Low water evel 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 7.2 and 7.8 total alkalinity 100- 150 PPM maximum. Hardness
Sooting
Pilot outage
Yellow lazy flame
High flow rates…………………….....
U.G.Inoperative……………………..
*Air starvation………………………..
*Improperventing…………………....
*Insects or debris clogging
burner intake ports…………………..
Low gas pressure…………………....
Restricted pilot……………………....
Weak pilot generator………………..
Low gas pressure…………………....
*Insects or debris clogging
burner intake ports…………………..
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
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