Harvia CX30C-U3 Xenio Digital Sauna Control for Combi 3 Phase Heaters
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Harvia Xenio Combi | Heat and humidity control
Harvia Xenio CX30C-U3 Combi Control
The Harvia Xenio CX30C-U3 combines a compact digital touch panel with a power unit and sensors for compatible 208V three-phase Harvia Virta Combi heaters. Manage sauna heat and added humidity from one interface.
Independent heater and steamer operation lets you choose dry heat or a more humid session. Built-in timer and delay functions help you plan your sauna bathing time.
Key Features
Choose Your Sauna Experience
Control the heater and steamer independently to suit your preferred session.
Timer and Delayed Start
Set operating time and a delayed start directly from the control panel.
Heat and Humidity Settings
Adjust both settings within the permitted Combi operating limits.
Compact Digital Interface
Manage operating time, delayed start, and connected lighting and fan functions from the touch panel.
What's Included
- Xenio digital touch panel
- CX30C-U3 power unit / contactor enclosure
- Temperature sensor
- Humidity sensor
- Panel data cable and sensor connections supplied with the control package
- Installation & operation documentation
Specifications
| Model | CX30C-U3 |
|---|---|
| Electrical Supply | 208V, three-phase |
| Maximum Load | 10.8 kW at 208V three-phase; confirm the matched Combi heater and wiring arrangement |
| Temperature Settings | 104 to 194°F (40 to 90°C) |
| Humidity Settings | 20 to 80% RH, as listed in the linked North American Combi manual |
| Combined Setting Limit | Temperature in °C plus humidity setting must not exceed 140 |
| Delayed Start | Up to 12 hours |
| Control Interface | Digital touch panel; this listing is the standard CX30C-U3 model |
| Panel Dimensions (W × D × H) | Approximately 3.4″ × 1.0″ × 4.4″ (85 × 24 × 110 mm) |
| Power Unit Placement | Wall-mounted outside the sauna in a dry location |
| Certification | ETL Listed |
| Compatibility | Compatible 208V three-phase Virta Combi heaters; verify exact model and wiring |
Required Components & Installation
- Compatible heater: A correctly matched 208V three-phase Virta Combi heater, sold separately.
- Electrical installation: Have a licensed electrician follow the control and heater connection diagrams.
- Panel and sensors: Follow Harvia's placement instructions; surface or recessed panel installation is subject to the manual limits.
Lighting and fan equipment are separate. The power unit must remain outside the sauna and must not be recessed into the wall.
Warranty Coverage
The linked manual describes a one-year limited guarantee for manufacturing and material defects. It also describes repair work when the unit is returned to the manufacturer or importer within five years; replacement parts may be charged after the first year. This service provision does not extend full parts coverage to five years. Manufacturer terms and return requirements apply.
Pro Tip
Increase humidity while lowering the temperature for a softer Combi session. The control limits allowable combinations, so the maximum temperature and maximum humidity cannot be selected together.
Shipping & Support
Secure delivery across the continental USA, with expert assistance on heater compatibility and installation planning. Ask about package pricing with compatible Virta Combi heaters.
Why Buy from My Luxury Home Spa?
- Authorized Harvia dealer with knowledgeable support
- Genuine sauna controls and accessories
- Secure checkout and responsive customer care
Manuals & Product Information
Match Your Virta Combi Heater to the Right Control
Share your heater model and electrical supply with our team for help confirming the correct Combi control package.
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Shop trusted wellness brands with authorized dealer support and help choosing the right equipment.
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Ordering & Product Support FAQs
Shipping & Delivery
Free standard shipping is available on eligible products and destinations. Large equipment generally ships by freight with curbside delivery unless another service is expressly included.
White-glove placement, assembly, or other upgraded services may be available for select products and locations at an additional cost. Availability, scope, and pricing must be confirmed before booking. Processing, transit, and delivery scheduling vary by product and destination.
Review our Shipping Policy, or contact us before ordering if you need placement assistance or delivery by a particular date.
Warranty
Manufacturer warranty coverage varies by brand, model, component, and intended use. Review the product’s warranty documentation for coverage periods, exclusions, and any registration requirements. Commercial use may have different terms.
For warranty assistance, contact My Luxury Home Spa with your order number, model, serial number, and a description of the issue. We can help coordinate the next steps with the manufacturer or supplier.
Returns
Return eligibility, deadlines, fees, and shipping responsibilities vary by product. Some products have shorter return windows or specific restrictions. Eligible change-of-mind returns generally require unused equipment in its original packaging and written authorization before shipment.
Review our Return & Refund Policy and any product-specific terms before purchasing. Contact us promptly about damaged, defective, or incorrect items; these are reviewed separately from change-of-mind returns.
Installation & Power
Electrical, assembly, foundation, ventilation, drainage, and clearance requirements vary by product. Check the exact model’s specifications and manufacturer instructions before ordering or preparing your space.
Use qualified professionals where required. Delivery or optional placement service does not include electrical wiring, plumbing, site preparation, or full installation unless expressly included in your written service scope. Contact us if you need help locating the appropriate product documentation.
