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Halogen:
Any one of these five elements: fluorine, chlorine, bromine, iodine, and astatine.
MPS:
Monopersulfate is the non-chlorine oxidizer used with the FreshWater
Ag+®
silver ion purification system.
Nitric Acid:
The formulation of nitric acid, a highly corrosive chemical, is a byproduct of the ozone generating process. Nitric acid is produced in
very small quantities and is readily dissolved in the water stream with ozone.
Oxidizer:
The use of an oxidizing chemical is to prevent the buildup of contaminants, maximize sanitizer efficiency, minimize combined chlorine
and improve water clarity.
Ozone:
Ozone is a powerful oxidizing agent which is produced in nature and artificially by man. Ozone forms no byproducts of chloramines
(ozone actually oxidizes chloramines) and will not alter the water’s pH.
Pathogen:
A microorganism such as bacterium that cause disease.
pH:
The measure of the hot tub water’s acidity and alkalinity. The recommended pH for the hot tub water is 7.4 to 7.6. Below 7.0 (considered
neutral), the hot tub water is too acidic and can damage the heating system. Above 7.8, the water is too alkaline and can result in cloudy water,
and scale formation on the shell and heater.
ppm:
The abbreviation of “parts per million”, the standard measurement of chemical concentration in water. Identical to mg/l (milligrams per liter).
Reagent:
A chemical material in liquid, powder, or tablet form for use in chemical testing.
Sanitizer:
Sanitizers are added and maintained at recommended residuals to protect bathers against pathogenic organisms which can cause
disease and infection in hot tub water.
Scale:
Rough calcium-bearing deposits that can coat hot tub surfaces, heaters, plumbing lines, and clog filters. Generally, scaling is caused by
mineral content combined with high pH. Additionally, scale forms more readily at higher water temperatures.
Super-Chlorination:
Also known as “shock treatment.” Super-Chlorination is a process of adding significant doses of a quick dissolving sanitizer
(“dichlor” is recommended) to oxidize non-filterable organic waste and to remove chloramines and bromamines.
Total Alkalinity:
The amount of bicarbonates, carbonates, and hydroxides present in hot tub water. Proper total alkalinity is important for pH
control. If the TA is too high, the pH is difficult to adjust. If the TA is too low, the pH will be difficult to hold at the proper level. The desired range of
TA in hot tub water is 125 to 150 ppm.
SERVICE INFORMATION
Your Limelight
™
hot tub has been designed to provide years of trouble-free use. As with any appliance, problems may occasionally occur that
require the expertise of a qualified service person. Though such simple repairs as resetting a GFCI switch or breaker, resetting a high limit
thermostat or replacing a light bulb may not require a service call, they may indicate that a more serious condition exists. These conditions may
require an experienced service person. Before calling for service, please refer to the Troubleshooting Guide.
NOTE:
Always retain your original sales receipt for future reference.
GFCI AND HIGH LIMIT THERMOSTAT
If your hot tub fails to operate at any time, first check the power supply to the hot tub.
Check each of the GFCI breakers in the subpanel. If a GFCI has tripped, reset it. If it will not reset, this may be an indication of a ground fault (short
circuit) within the electrical components. Contact an Authorized Service Technician for a complete diagnosis.
If upon checking the GFCI’s you find that they have not tripped, check the house breaker panel and ensure that the main breaker for the electrical
circuit supplying the hot tub has not tripped. If it has, this is an indication that the circuit was either overloaded or a ground fault exists between the
breaker panel and the hot tub receptacle or subpanel. Contact a qualified electrician.
If upon checking the main house breaker and hot tub GFCI’s you find no failures, check the high limit thermostat. To check it, simply turn off
power to the hot tub for 30 seconds. This will automatically reset the high limit thermostat if it has tripped. If the hot tub energizes once you turn
the power back on, this indicates reduced water flow through the heating system. Tripping of the high limit thermostat is normally a result of one or
a combination of these problems. 1) clogged filter cartridges, 2) blockage within the system plumbing, 3) a non-functioning heater circulation
pump, 4) power was not disconnected from the hot tub before it was drained, 5) an air lock in the plumbing lines. (The Power Indicator on the front
of the hot tub’s control panel will also be blinking if the high limit thermostat circuit has tripped.)
If the hot tub does not function after tripping and resetting the GFCI’s or resetting the high limit thermostat, then the problem should be referred to
a qualified service technician. Refer to the Heater section if the hot tub operates but does not heat, or refer to the Troubleshooting Guide for
additional service information.
NO-FAULT
®
HEATER AND INTEGRATED PRESSURE SWITCH
Watkins Manufacturing Corporation unconditionally warrants the No-Fault heater against any failure that would require replacement. This
warranty’s duration is equal to the time period identified in the Component Warranty. This warranty defines unconditional as warranty coverage
without exception provided that the component has failed to operate properly within the hot tub’s system. This means that conditions that would
normally invalidate the limited warranty, such as water chemistry damage, do not apply to the No-Fault heater.
Water Quality and Maintenance
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Service Information
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