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01.Pool Blaster MAX Pool Vacuum
02.Paradise M2000 Automatic Water Level Control
03.Polaris Waterstars Floating Fountain
04.Raypak 11.0 KW SpaPak Electric Spa Heater
05.Spa Heating Element for Raypak SpaPak 11 KW
06.Sta-Rite Modular Media Repl. Cart, 150 Sq. Ft. - PLM150
07.Sta-Rite Sys 3 Repl. Cart, 100 Sq. Ft - S7M120 - Inner
08.Sta-Rite Sys 3 Repl. Cart, 200 Sq. Ft - S7M120 - Outer
09.Sta-Rite Great White Inground Suction Cleaner
10.Polaris Booster Pump

POOL HEATER / SPA HEATER TROUBLE SHOOTING GUIDE

 IMPORTANT NOTICE:

These instructions are primarily intended for use by qualified personnel specifically trained and experienced in the installation and repair of heating equipment and related system components. Installation and service personnel may be required by some states to be licensed. Persons not qualified should not attempt to install this equipment nor attempt repairs according to these instructions. This information is presented for informational purposes only, and Discount Pool and Spa Supplies will assume no liability whatsoever for any consequences relating to providing this information.


PROBLEM CAUSE SOLUTION

Heater cycling on and off continuously.

Dirty filter

Backwash filter.

Low water level in pool

Raise water level.

External bypass setting out of adjustment

Adjust bypass

Pressure switch out of adjustment*

Adjust pressure switch

Defective High Limit Switch

Replace High Limit Switch

Pilot outage
Millivolt systems only

Weak pilot generator

Replace pilot generator or assembly.

Restricted pilot

Clean pilot.

Low gas pressure

Adjust gas pressure.

Takes long time to
heat pool or spa.

Calculate temperature in degrees/hr

Heat rise (degrees/hr.) = Heater output Refer to heater sizing chart or refer to heater sizing chart.  This does not take into account heat loss due to weather.

Dirty filter

Clean filter.

Filter not running long enough

Reset time clock.

Gas line or meter undersized

Refer to installation instructions.

Lazy yellow flame

Low gas pressure

Adjust gas pressure.

Insects or debris clogging burner intake ports

Clean burners.

Outer jacket very hot
(paint blistered)

Broken refractory caused by shipping damage or improper combustion*

Replace refractory panels

Excessive sooting of heat exchanger

Determine cause of sooting & correct.

Liming

Bypassing too much water

Inspect bypass for movement.  If no movement, replace.

U. G. not functioning

Replace if no movement when heated.

Leaking at well

Overacid

Replace well and maintain proper water chemistry
especially pH, and do not overlook total alkalinity!

Leaking at heat exchanger

Overacid

Replace heat exchanger and maintain proper water chemistry
especially pH, and do not overlook total alkalinity!

Gasket brittle and leaking
(overheated)

Heater running after pump shuts off

Pressure switch needs adjustment or replacement.

Refractory damage

Replace refractory.

Sooted heater

Determine cause of sooting and correct.

Harmonics, or whining noise

U.G. inoperative

Check movement by putting in hot water (110-F or higher). If no movement, replace.

Debris or restriction in system*

Locate the restriction and remove. Flush system and clean.

Debris in gas line*

Remove debris or blow out gas line.

 Low flow

Scale forming in heat exchanger-clean heat exchanger. Check pool pH and total alkalinity.

Liming or scale forms
on heat exchanger

Water out of balance

Recommended pH should be between 7.4 and 7.8 total alkalinity 100-150 PPM maximum. Hardness 150-400 PPM maximum.

Sooting

High flow rates

Reduce by adding manual bypass valve.  Adjust by putting thermometer in header (1/4" NPT) drain opening. Set bypass so thermometer reads between 105-110 degrees Fahrenheit.

U.G. Inoperative

Check movement by putting in hot water (110 degrees F or higher). If no movement, replace.

Air starvation*

Refer to installation instructions.

Improper venting*

Follow recommended installation instructions.

Insects or debris clogging burner intake ports

Clean burners.

(*Usually occurs on initial start-up)


WATER BALANCING GUIDE

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