Outer jacket very hot (paint blistered)
Takes long time to heat pool or spa
Liming
Leaking at well.
Leaking at heat exchanger.
Gasket brittle and leaking- (overheated).
*Broken refractory caused by |
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shipping damage or improper |
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combustion………………………….. | Replace refractory panels. | ||
Excessive sooting of heat |
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exchanger…………………………... | Determine cause of sooting & | ||
| correct. | ||
Calculate temperature in °F/hr……... | Heat rise (°F/hr.) = Htr.output | ||
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| Pool gallonage x 8.33 | ||
| or refer to heater sizing chart. | ||
| This does not take into account heat | ||
Filter not running long enough…….... | loss due to weather. | ||
Reset time clock. | |||
Dirty filter…………………………….. | Clean filter. | ||
Gas line or meter under- |
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sized……… | Refer to installation instructions. | ||
Bypassing too much water……….... | Inspect bypass for movement, if no | ||
U/G not functioning……………… | movement, replace. | ||
Replace if no movement when | |||
Overacid………………………… | heated. | ||
Replace well and maintain water | |||
Overacid……………………………... | chemistry properly. | ||
Replace heat exchanger and main- | |||
Heater running after pump | tain chemistry properly. | ||
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shuts off……………………………... | See pressure switch adjustment. | ||
Refractory damage…………………. | Replace refractory. | ||
Sooted heater……………………….. | Determine cause of sooting and cor- | ||
| rect. | ||
*Usually occurs on initial |
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