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Regular Maintenance
Periodic Water Draining and Refilling
After a certain time, you may find the addition of chemicals will not clarify or eliminate odors in the spa. This is an indication the
water needs to be drained and replaced. Generally, depending upon bather load and water chemistry maintenance, this may need
done every 3 months. With the use of ozone, this may need done less frequently.
1. Reduce set temperature to 59˚ F (15˚ C ).
2. Turn off all power.
3. Connect a garden hose to the recessed drain valve found on the side of your hot tub cabinet, by slowly
pulling the cap out all the way (approximately 2") and turn cap counterclockwise to remove. Attach the hose
and pull valve 1", this will start the draining process. After draining the spa, replace the cap and push the
valve all the way in. (See photo.) Note: Unscrew the large nut around the drain valve to remove the cabinet
panel from the spa for servicing, if necessary.
4. Clean cartridge filter as noted previously in this section regarding maintenance recommendations.
5. Clean acrylic shell surface with non-sudsing cleanser per maintenance recommendations.
6. Begin filling the hot tub. We recommend filling the hot tub to approx. the pillow bottom. During the filling process periodically
check the unions to ensure they are tight and no water is leaking out.
7. Once the hot tub is filled, turn the circuit breaker on. The spa will turn on and start the circulation pump.
8. It may be necessary to bleed air from the pump or pumps on your hot tub, if after start up your spa pumps do not operate.
Due to the nature of water flow and hydrotherapy pumps, please be advised that air locking of pumps may occur. PDC Spas has
taken measures to reduce the possibility of this, but it still may occur, especially after refilling a hot tub. This is not a service
covered under warranty. To relieve an airlock situation, loosen the pump union on the discharge side of the pump. You may
possibly hear air come out when union is loosened, after a few seconds tighten the union. Turn the pump on to see if proper jet
flow has been achieved. If proper jet flow has not been achieved repeat process.
9. Open air regulators allowing maximum flow through jets assuring pump operation.
10. Refer to Control section for heating, filtration cycles and function.
11. Adjust water chemistry according to the instructions provided in water chemistry guidelines section.
12. View current water temp on the control panel and set to desired level. Water will heat approximately 1– 2 degrees an hour.
Times may vary.
13. Close cover to expedite heating and assure safety. Always keep the cover locked when not in use. Keep the keys in a safe place,
out of the reach of children
Winterizing the Hot Tub
Your hot tub has been designed to be used year-round and it is certainly suggested that you enjoy the many benefits of enjoying
your purchase in any season. If you should decide to not use your hot tub during the winter months, it must be cared for properly
to avoid damage. During those months of shut-down, we recommend the unit being checked periodically to assure no water is
entering the unit causing potential freezing resulting in damage. Your warranty does not cover this type of damage, both structural
and operational. Winterizing must be done before prior to atmosphere freezing temperatures.
1. Turn off at circuit breaker, open air controls and jets, drain completely using drain valve and sump pump if needed. Remove all
water as even a low level remaining in the spa shell can freeze drains and cause unwarranted damage.
2. Remove filter cartridges and all cabinet panels to access equipment.
3. Loosen pump unions and winterizing plug from face of pump. Replace plugs after all water has been cleared from the unit.
4. Use a shop vac in blowing mode to remove all water from return and suction lines.
5. Use the wet vacuum to pull all water from jets. You may choose to use a non-toxic RV type anti-freeze to assure freeze
prevention and remove ALL prior to next use.
6. Replace all cabinet panels.
7. Cover the unit with the thermal cover, lock in place. Considerable snow accumulation may break the cover, remove snow as
necessary. It is recommended to wrap the unit with a tarp to prevent outside moisture from entering the unit.
Storing the Hot Tub
Always use the thermal cover! The hot tub shell is to never be unprotected and uninsulated during storage. Thermal cover and
cabinet side panels must be in place. Never use a clear plastic wrap or it's like to cover / wrap the unit. Never leave unprotected in
direct sunlight as it can damage the acrylic and fittings, not covered under warranty. The unit, even when winterized, must have the
thermal cover in place and locked. During times of storage, infrequent use or winterization, the cover must be in place and locked.
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