Harvia Fenix Combi FX110C WiFi Core

Harvia Fenix Combi FX110C WiFi: Buying Guide

The dual-purpose brain for your Sauna and Steam (Combi) system.

The Fenix FX110C is the ultimate control solution for those who want the best of both worlds: a traditional hot sauna and a soft, humid steam room. This "Combi" unit manages both the heating elements and the steamer unit, all from a single sleek interface on your smartphone.

1. Is this the right "Brain" for your system?

The FX110C is specifically built for Combi Heaters (heaters with a built-in steamer) or separate heater/steamer setups.

• Dual Control: It manages temperature (up to 110°C) and humidity (0–100%) simultaneously.
• Power Capacity: Handles heaters up to 11 kW.
• Smart Humidity: It includes specific logic for "auto-drying" your sauna after a steam session to prevent mould and wood rot.
• The WiFi Factor: Full integration with the MyHarvia App for remote pre-heating and humidity adjustment.

2. The Delivery (The "Combi" Package)

This arrives as a tech parcel. Because it is a Combi unit, it includes more sensors than a standard controller. Verify you have:

1. The Power Unit: The IPX5-rated relay box (the heavy-duty brain).
2. The Fenix Touch Panel: The glass-fronted digital interface.
3. Temperature & Humidity Sensor: A specialised sensor that monitors both heat and steam levels.
4. Data Cable: To connect the panel to the power unit.

Action: Inspect the touch panel and the dual-sensor immediately. If you see any cracks or damage, report it to us within 24 hours.

3. Preparation & Infrastructure

• WiFi Signal: The FX110C requires a 2.4 GHz WiFi signal. Since steam-capable saunas are often heavily insulated, ensure your WiFi signal is strong at the installation point.
• The "Combi" Drain: Remember, if you are using a steamer, your electrician and plumber may need to coordinate on the water supply and drainage for the evaporator.

4. The Professional Requirement

NOTICE: This unit manages high-voltage power for both a heater and a steamer. You must consult a Registered Electrician. This installation involves complex wiring for humidity sensors and water-level probes. You must always defer to your electrician’s professional judgment regarding safety and your home's electrical capacity.

5. First Use: The Combi Experience

1. Pairing: Download the MyHarvia App and sync the Fenix to your network.
2. The Safety Check: To start a steam session remotely, the door must be closed. The Fenix includes a safety timer to ensure the steamer doesn't run dry if your unit isn't auto-filled.
3. The Drying Cycle: After your first "Soft Sauna" (steam) session, the Fenix will enter an automatic drying mode to protect your sauna wood. Do not turn the power off at the main switch until this cycle is finished.

Property Owner’s Action Plan

• WiFi Audit: Ensure your 2.4GHz network reaches the sauna location.
• Technical Review: Send the URL above to your electrician so they can see the specific "Combi" wiring requirements.
• App Readiness: Have the MyHarvia app installed and your account created before the electrician arrives.

User Manuals

Harvia Spare Parts

Harvia Fenix Flyer

Technical Specification: Electrical Supply

Owner’s Brief for the Harvia Fenix Combi FX110C WiFi

CRITICAL NOTICE: The information below is for your project planning and budget estimation. You must consult a Registered Electrician to carry out this installation. The Fenix FX110C manages dual loads (Heating + Steaming) and complex humidity sensors; you must always defer to your electrician’s professional judgment regarding the safety and capacity of your property's electrical system.

1. System Load & Dual-Function Capacity

The FX110C is a specialised Combi controller. It manages two separate power outputs: one for the sauna heating elements and one for the steamer (evaporator).

The Combi Load: Your electrician must ensure your circuit is rated for the combined load if both the heater and steamer are intended to run simultaneously (Soft Sauna mode).

2. Infrastructure & Component Placement

As the owner, you must coordinate the location of these three core points with your electrician:

• The Power Unit: This relay box manages the switching between dry heat and steam. It must be mounted in a ventilated, accessible location (e.g., a service cupboard or on the sauna roof).
• The Dual-Sensor: Unlike standard heaters, this unit uses a specialised Temperature & Humidity sensor. It must be ceiling-mounted directly above the Combi heater to accurately regulate steam levels.
• Network Access: The "Smart" features (adjusting humidity via your phone) require a stable 2.4 GHz WiFi signal at the Power Unit.

3. Mandatory Installation Standards

To protect your property and ensure warranty compliance, your electrician must follow these standards:

• Silicone Cabling: All cables entering the sauna (to the heater, the steamer, and the sensors) must be SiHF-JB Silicone Cable (rated to 180°C). Standard PVC cabling will degrade rapidly in a high-humidity steam environment.
• Dedicated Protection: The system must be installed on a dedicated circuit with an appropriately rated RCBO (Residual Current Breaker with Overcurrent protection).
• Earthing: Given the presence of water/steam in a Combi system, correct earthing of both the heater chassis and the Fenix power unit is a critical safety requirement.

4. Final Safety & Warranty Documentation

Upon completion of the installation and testing of the "Drying Cycle," your electrician is legally required to provide you with an Electrical Installation Certificate (EIC).

• Retain this document. Harvia requires the EIC to validate your 2-year warranty. This document is also essential for your home insurance records to prove that a dual-function steam/heat system was installed by a qualified professional.

Harvia Fenix Combi FX110C WiFi: Delivery & Installation Protocol

Setting up your integrated Sauna and Steam (Combi) control system.

The FX110C is a specialised system that bridges the gap between a dry sauna and a steam room. It controls two distinct outputs: the heating elements and the steamer/evaporator.

1. Receiving & Unboxing

• The Parcel: This arrives as a single high-tech parcel. You must verify that the specialised "Combi" components are present:

1. Combi Power Unit: The IPX5-rated relay box (specifically for Combi/Steamer logic).
2. Fenix Touch Panel: The glass digital interface.
3. Combi Sensor: A specialised sensor that monitors both Temperature and Humidity.
4. Data Cable: Connects the touch panel to the power unit.
5. Safety Sensor: An additional overheat protector.

• The 24-Hour Rule: Carefully inspect the glass touch panel and the humidity sensor probe. These are sensitive instruments. If you find any cracks or shipping damage, take photos and notify us within 24 hours.

2. Component Placement Strategy

• The Power Unit: While IPX5 rated (water-resistant), the Power Unit should be installed in a dry, ventilated area outside the sauna cabin to prolong the life of the relay components.
• The Combi Sensor: Placement is vital. It must be mounted on the ceiling, centered above the heater/steamer unit. If it is placed too close to the steam outlet or an air vent, your humidity readings will be inaccurate.
• The Control Panel: Usually mounted outside the sauna at eye level. If you choose to mount it inside (allowed due to IPX5), ensure it is at least 1 meter away from the heater and no higher than 1200mm from the floor.

3. WiFi & Connectivity Requirements

The "Smart" Combi features (setting humidity levels via phone) require a 2.4 GHz WiFi connection.

• Signal Audit: Check the signal strength at the Power Unit's installation point.
• The Metal Shield Effect: Saunas often use foil-backed insulation which can act as a "Faraday cage," blocking WiFi signals. If the signal is weak, your electrician may need to install a WiFi range extender nearby.

4. Physical Installation Steps

1. Combi Wiring: Your electrician will need to run separate feeds for the heating elements and the steamer unit from the Power Unit.
2. Sensor Calibration: The Combi sensor is highly sensitive. Ensure the cable is run through a dedicated conduit to avoid interference from high-voltage power lines.
3. App Pairing: Once the unit is powered up, use the MyHarvia App to scan the QR code on the Fenix screen. This will link your phone to the system for remote humidity and temperature control.

5. The "Drying Cycle" Commissioning

A unique feature of the FX110C is the Sauna Dehumidifying Cycle.

• The Test: Run a steam session for 15 minutes, then turn the sauna off via the panel.
• The Result: The Fenix should automatically engage the heater at a low setting for a set period to dry the wood. Verify with your electrician that the "Fan" output (if installed) also engages during this cycle.

Harvia Fenix Combi FX110C WiFi: Warranty

Protecting your dual-climate smart system

IMPORTANT SAFETY NOTICE: The Harvia Fenix FX110C manages complex electrical interactions between heating elements and steam evaporators. For your safety and to protect your property from moisture-related electrical faults, you must employ a Registered Electrician for this installation. Always defer to their professional judgment. Self-installation or failure to follow manufacturer wiring diagrams will result in the immediate voiding of all warranties.

1. Warranty Coverage & Duration

This warranty protects the Fenix FX110C hardware against manufacturing defects under the following conditions:

• Domestic/Private Use: 24 Months (2 Years).
• Commercial/Professional Use: 24 Months (excluding wearable parts like sensors/fuses).
• Proof of Purchase: Your original invoice and the electrician's EIC are required for all claims.

2. The Professional Installation Clause (Combi-Specific)

Because the FX110C regulates humidity, the warranty is strictly conditional upon:

• Certified Labor: The system must be installed and commissioned by a Registered Electrical Contractor.
• The EIC Document: You must retain the Electrical Installation Certificate (EIC). This is mandatory to prove the unit was correctly earthed and fused for a dual-load (Heater + Steamer) system.
• Wiring Standards: Your electrician must use SiHF-JB Silicone Cable (rated to 180°C) for all internal sauna runs. Standard PVC cable is susceptible to failure in high-humidity "Combi" environments and will void the warranty.

3. Humidity & Sensor Maintenance

• Sensor Placement: The specialised Temperature & Humidity sensor must be installed exactly as specified in the manual. Warranty claims regarding "inaccurate readings" or "heater overheating" will be rejected if the sensor is found to be incorrectly placed (e.g., too close to the steam outlet).
• Drying Cycle: The owner is responsible for ensuring the "Sauna Dehumidifying Cycle" is allowed to run after every steam session. Repeatedly bypassing this cycle can lead to moisture damage within the unit or the sauna cabin, which is not covered by the warranty.

4. Digital & WiFi Connectivity

• Hardware Only: The warranty covers the Fenix hardware. It does not cover issues arising from your home network, ISP failures, or insufficient WiFi signal strength caused by sauna insulation.
• Firmware: The unit must be kept up to date via the MyHarvia App. Software-related logic errors caused by a failure to update the firmware are not considered hardware defects.

5. Exclusions

This warranty does not cover:

• Physical damage to the touch panel glass not reported within 24 hours of delivery.
• Damage caused by lime-scale buildup or poor water quality used in the connected steamer.
• Damage caused by electrical surges or incorrect supply voltage.
• Corrosion caused by the use of prohibited salt or chlorine additives in the steaming unit.

User Manuals

Harvia Spare Parts

Harvia Fenix Flyer