This document is an owner's manual for MSpa portable hot tubs, specifically covering the U-AU061 Aurora, U-RB061 Rimba, and U-VT061 Vito models. It provides comprehensive instructions for setup, operation, maintenance, and troubleshooting, emphasizing safety precautions throughout.
The MSpa hot tub is designed for single-family dwelling use, offering a relaxing and therapeutic experience with features like heating, bubble massage, and water filtration. The spa is intended for both indoor and outdoor installation, with specific considerations for each environment to ensure optimal performance and longevity.
Function Description:
The MSpa hot tub provides a complete spa experience with several integrated functions controlled by a wired unit. The core functions include:
- Heating System: The spa can heat water to a desired temperature between 20°C (68°F) and 40°C (104°F). An anti-icing system automatically activates to heat water to 3°C (37.4°F) if the temperature drops below 1°C (33.8°F), protecting the internal components from freezing. The heating rate is approximately 1.2°C - 2.5°C (2°F - 3.5°F) per hour, depending on the spa size.
- Bubble Massage System: The spa features an air blower that generates bubbles for a relaxing massage. The bubble intensity can be adjusted to three levels (L1: 300W, L2: 500W, L3: 720W). For safety, the bubbling massage function automatically shuts down after 20 minutes of operation and can be reactivated after a 10-minute rest period. It is crucial not to operate the massage system when the spa cover is attached to prevent air accumulation and potential damage.
- Filtration System: An integrated filter pump with an 1800L/hr flow rate continuously circulates and filters the spa water, removing impurities. The filtration system automatically starts when the heating, Ozone, or UVC sanitizing systems are activated. It also automatically stops 30 seconds after the heating system is turned off.
- Integrated Ozone Generator: This system helps sanitize the spa water by generating ozone. The ozonator operates for 2 hours automatically. For safety, users should not bathe in the spa when the ozone function is active, and it cannot be turned on simultaneously with the jet or bubble functions.
- UVC Sanitizer: The UVC sanitizing system provides an additional layer of water purification, utilizing UVC radiant flux (2000uW) to kill bacteria and viruses.
- Heating Timer: Users can set a timer for the heater to activate at a specified number of hours (1 to 99 hours) from the current time. Activating the heating system or rebooting the spa will cancel the timer setting.
- Safety Lock: The controller can be locked to prevent accidental changes to settings, retaining all previous configurations.
Usage Features:
The MSpa hot tub is designed for ease of use, from initial setup to daily operation.
- Inflation: The spa tub wall features an auto-inflation system. By pressing the BUBBLE and UP buttons simultaneously, the spa inflates until the proper air pressure is reached, indicated by the manometer pointing to the yellow section. Inflation can be stopped at any time by pressing the BUBBLE button again. Periodic re-inflation may be necessary due to temperature changes, with the manometer guiding whether to aim for the yellow section (without water) or green section (with water).
- Water Filling: After inflation, the spa should be filled with fresh water to a level between the MIN and MAX marks on the inside wall. It is recommended to use lukewarm water to expedite heating and conserve energy. Overfilling the spa or operating it below the MIN mark should be avoided.
- Controller Operation: The wired controller provides intuitive access to all functions. An LED display shows the current water temperature, which can be toggled between Celsius and Fahrenheit. Buttons for Heater, Bubble, Filter, Timer, UVC, and Ozone allow users to activate and adjust each system. UP and DOWN buttons are used to modify temperature and timer settings.
- GFCI Testing: Before each use, the Ground-Fault Circuit Interrupter (GFCI) located on the power cord must be tested to ensure electrical safety. The testing procedure involves plugging in the unit, pressing the RESET button (if the indicator is not red), pressing the TEST button to confirm the indicator shuts off, and then pressing RESET again to turn the indicator red, signifying readiness for use.
- Cover Usage: Always keep the spa locked with its buckle cover when not in use, especially during heating, to minimize heat loss and prevent unauthorized access, particularly by children. The cover also protects the spa from debris and direct sunlight.
- Manometer Guidance: The manometer is a crucial tool for maintaining correct air pressure. It should point to the yellow section after inflation (before water), or when leaving the spa outdoors unattended at temperatures above 20°C (68°F). When the spa is filled with water or in use, it should point to the green section. If it points to the white section, the air pressure is too high, and some air should be released.
- Water Temperature Guidelines: The spa water temperature should never exceed 40°C (104°F). Temperatures between 38°C (100°F) and 40°C (104°F) are considered safe for healthy adults, but lower temperatures are recommended for young children or extended use. Pregnant women should limit spa water temperature to 38°C (100°F).
Maintenance Features:
Regular maintenance is essential for the MSpa hot tub's performance, hygiene, and longevity.
- Filter Cartridge Maintenance: The filter cartridge should be inspected and gently cleaned after each use. It needs to be changed every 3-5 days or when it appears soiled and discolored. The mesh cover can be reused. All functions must be turned off before cleaning or changing the filter cartridge. A flashing or red FILTER button indicates that the filter cartridge needs cleaning or replacement, and pressing the Filter button for 3 seconds resets this reminder.
- Spa Water Changes: The spa water should be changed every 3-5 days, or more frequently if it appears dirty or cloudy and chemical treatment doesn't clear it.
- Spa Tub Cleaning: If the water is dirty or cloudy, the spa tub should be cleaned while empty. A sponge and mild soap solution can be used to wipe away soil or stains from the inside wall, followed by thorough rinsing. Steel wool, hard brushes, or abrasive cleaners should not be used.
- Water Chemistry Management: Maintaining proper water chemistry is critical. The manual provides a table with recommended levels for pH (7.2-7.6 for chlorine, 7.2-7.8 for bromine), Free Chlorine (3-5 ppm), Bromine residual (2-4 ppm), Total Alkalinity (80-120 ppm), and Total Hardness (200-500 ppm), along with daily or weekly test frequencies. A low pH can damage the spa tub and pump, while a high pH can cause white coagulations in the filter pump.
- Chemical Handling: Always follow chemical manufacturer's directions and health warnings. Chemicals should never be mixed together but added separately to the spa water, ensuring each is thoroughly dissolved. If switching between chlorine and bromine products, the spa water must be changed first. Chemicals should not be added when the spa is occupied. Overuse or concentrated use of chemicals can damage the spa tub and cause skin irritation.
- Drainage: The spa can be drained by connecting a garden hose to the drain valve, opening the internal drain valve cap, and lifting the spa tub wall to direct remaining water towards the drain.
- Drying and Storage: After draining and cleaning, all spa components and accessories must be thoroughly dried. The spa tub can be air-dried in mild sun for an hour before loosely folding it, avoiding sharp corners to prevent damage. The spa and accessories should be stored in a dry, temperature-controlled environment (0°C to 40°C / 32°F to 104°F), preferably with desiccant, and in its original packaging.
- Repair: For punctures, a repair patch (included in the repair kit) can be used. The area should be cleaned and dried, glue applied to the patch, and then attached to the damaged surface, smoothing out air bubbles and allowing it to dry for 5-10 minutes.
- Pre-use Check after Storage: After long-term storage, the spa should be filled with clean water and sanitizer, and the FILTER function run for at least 1 hour before use.
- Disposal: The product should not be disposed of with household waste. It should be recycled responsibly through local collection systems or by contacting the retailer.
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