Operating instructions

Inspect & Filling continued
Step 10: Ensure your water source is safe for hot tub use. Water may contain minerals that may cause
stains or deposits. Water with a high mineral count, such as iron or copper, may discolor the water
once a sanitizer is added. If you have any doubt, visit www.thermospas.com or call our Customer
Care department during our normal business hours.
Step 11: Let the water run out of your garden hose for several minutes before filling the spa. This will flush
out stagnant water in the line that may cause bacteria.
Tip: We suggest putting a sock over the end of your hose to act as a strainer and protect the
spa shell acrylic from the hose.
Step 12: Begin filling your spa. The actual water level may vary depending on the bather load. When there are
no bathers in the spa, the water must be high enough to prevent pump surge and low enough that
when the recommended number of bathers are in the tub that the water is not overflowing out of
the spa. The recommended water level is half way up the filter area with no bathers. While spa is
filling periodically check underneath to be sure unions are tight and not leaking.
Tip: Unions are located on both the spa’s water pump(s) and heater. It is imperative that they are
checked and tightened before filling the spa. Although every spa is thoroughly tested twice in our
factory during final inspection, some connections may loosen during transport from the factory
to your home.
2. Initial Preparation
Step 1: Starting the spa with insufficient water can damage the pump and heater. Once your spa is
sufficiently filled (half way up the filter), turn the circuit breaker on.
Step 2: After turning on the circuit breaker, your spa will cycle through a series of self-diagnostic codes
as indicated on the topside control panel.
Step 3: Wait 10 minutes so the spa can complete self-priming and diagnostic self-checks.
Step 4: If your topside control panel display shows the temperature, the temperature flashing, “ICE”,
or “--”; this is normal and you may proceed to Step 5. If any other codes are shown, refer to
troubleshooting guide located in the appendix or visit www.thermospas.com and click on Customer
Center for more information.
3. Heat Water
Step 1: Set desired temperature by pressing “warm” or “cool” buttons.
Step 2: Install insulated cover, close it over spa, and secure it with the lock down straps.
Step 3: Allow between 5 and 24 hours for the water to reach the desired temperature.
A 120-volt electrical service will raise the water temperature approximately 2°F per hour.
A 240-volt service will raise it approximately 4° - 8°F per hour.
Installing Your Spa
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Installing Your Spa
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Spa Start Up
Please read through all steps before beginning. This section explains the necessary procedures required to
start up your spa. Familiarize yourself with this procedure prior to beginning the process. Use this procedure
as a guideline.
• Make sure you have any Special Operating Instructions along with the Welcome Kit and Chemical Starter Kit
prior to filling your spa.
• If your water is acidic, hard, or has a high mineral content it is recommended to contact one of our trained
Customer Care Representatives prior to filling your spa.
• Failure to follow these start-up instructions for your spa and observe the recommended maintenance time
periods may result in pump damage or require draining and refilling the spa.
Overview of Start Up - See instructions below for details on each step.
Total start-up process time will vary from 3-24 hours based on the following variables:
1. Incoming water temp & water pressure (fill rate)
2. Size and type of hot tub
3. Water characteristics (hardness, mineral content)
4. Desired final water temperature
5. Ambient Conditions
1. Inspect & Filling
Once your spa is in its final location and has been electrically connected, it is time to inspect it to ensure
it is ready to be filled. Before you inspect your spa, turn the circuit breaker off.
Step 1: Turn off the circuit breaker and gently remove all packing and crating materials from the spa.
Step 2: Remove the front panels/insulation of the spa so you can see the interior.
Step 3: Remove filters and the accessory bag located inside the cabinet interior, and the spa chemical
starter kit.
Step 4: Wipe spa clean with a soft damp sponge. Be careful not to scratch the surface with any particles
that may have fallen into the tub.
Step 5: Make sure the “T” valves on each water pump are open by pulling them up as far as they will go.
(see pg 8)
Step 6: Check all drain plugs located on each water pump to make certain they are closed. (see pg 8)
Step 7: Make sure all water pump and heater unions are tight. (see pg 8)
Step 8: Make sure the hose spigot on the drain line is closed.
Step 9: Install the filter(s).
(see SOI)
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