HUUM UKU WiFi/LOCAL Heater Control Console

Important Safety Information & Warnings

NB! The following instructions for electrical works must be carried out by a certified electrician.

NB! This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.

NB! Children should be supervised to ensure that they do not play with the appliance.

NB! The installation instructions for appliances for public saunas that do not have a timer shall state that a pilot lamp showing that the heater is switched on is to be installed in the attendant's room. The previously provided manual does not contain this information.

For installation in public saunas, a separate timer compliant with UL 60730-1 and UL 60730-2-7 along with CSA E60730-1 and CSA E603730-2-7 standards must be used.

Device Set Includes

• UKU control panel
• Main module (2.56 in x 6.5 in x 9.65 in / 65 mm x 165 mm x 245mm)
• Temperature sensor
• Door sensor
• Thermal and door sensor cables (197+197 in / 5+5 m; 2×28 AWG)
• UKU control panel cable (118 in / 3 m; 4×28 AWG)

NB! Keep this operating manual near the device so that at any time you can get safety and important information for using the device.

Before Installation

• Read the operation manual thoroughly to use all benefits and prevent damage.
• Only a certified electrician or a person with equal qualifications may install the device.
• Installation and maintenance are only allowed when the device is not under voltage.
• For unique problems not covered, contact your vendor for safety.
• Altering or rebuilding the control device without authorization is prohibited.
• The manufacturer reserves the right to make improvements. The latest manual is available at www.huumsauna.com.
• Ensure building cables from the main switchboard to the sauna location have sufficient cross-section. For older buildings, check connecting boxes and consider a new cable. Install separate protection for the heater.
• Connecting the unit to the mains without an earth-leakage circuit breaker is recommended.

Symbols Used in the Installation Manual:

WARNING! Not following these instructions may lead to serious or fatal injuries.

CAUTION! Not following these instructions may lead to minor to semi-serious injuries or cause damage to objects.

NB! Also, follow special safety requirements in individual chapters. Dispose of packaging material according to applicable rules.

The following sauna details are marked with numbers in the guide:

• 1: UKU control panel
• 2: Main module
• 3: Door sensor
• 4: Temperature sensor
• 5: Heater (not included)
• 6: Vaporizer (not included)
• 7: Light (not included)

Installing UKU Electrical Control Device

• Before installation, disconnect the electric heater from the power supply at the switchboard.
• The control device (1) must be installed outside the steam room, at user's eye level near the door, or as recommended by the manufacturer.
• If your main controller (2) supports Wi-Fi, install it where reception is adequate.
• The device must be installed in a dry place. It has an IPX4 protection degree. Power cables must be anchored via the provided cable gland.
• Do not exceed a room temperature of 104°F (40°C) and relative humidity of 95%.
• Before powering, ensure the controller box is sealed to prevent pollution. All cable inlets and the box must be properly sealed.

CAUTION! The control device must be permanently connected to the mains without plugs. A method to disconnect all poles from the mains (a circuit breaker) must be installed. Power cables must meet UL 62 (US) and CSA 49 (Canada) standards with a minimum temperature rating of 140°F (60°C). Cable cross-section depends on heater power; consult the heater manual. Recommended wire sizes: 10 AWG for 4.5-6 kW heaters, 6 AWG for 9 kW heaters, 10 AWG for 12 kW heaters (double-wire), 6 AWG for 15-18 kW heaters (double-wire). Always have the correct cable size approved and installed by a qualified electrician.

NB! A method to disconnect all poles from the mains (a circuit breaker) must be installed on the power circuit.

NB! Measure cable lengths and determine locations of cables and device parts (refer to figure).

Control Panel – UKU (1)

With a wooden housing

• Remove the back cover of the UKU control panel to attach it to the wall.
• Attach the back cover to the wall so the upper edge of the control panel is at eye level.
• Connect the power cable to the device's screw terminal.
• Attach the device to the wall-mounted back cover. Secure with side screws.

With a plastic housing

• Connect the power cable to the UKU control panel's cable screws.
• Pull off the control panel knob.
• Attach the device to the wall with screws.
• Replace the control knob onto the control panel.

Main Module (2)

• When installing inside the steam room, place the enclosure 4-19.7 in (10-50 cm) above the floor.
• Fix the unit to the wall with 4 screws.
• Do not attach the main module to the ceiling or inclined surfaces.
• Connect the cables for the UKU control panel, temperature sensor, and door switch through a cable gland to the enclosure and main module (see figure).
• Connect the power cable (240V 2(N)~ ) of the control console through the cable glands to the main module (see figure).

Door Sensor (3)

The door switch consists of a sensor and a magnet.

• Use a 13/64 in (5mm) diameter drill for installing a door sensor recessed in the door frame.
• Install the door sensor at a maximum height of 15.8 in (40 cm) from the floor.
• Connect cable ends to the switch terminals.
• Secure the magnet to the door, allowing it to close and pass directly by the doorpost.
• Fix the sensor to the doorpost so it aligns with the magnet when the door closes. The maximum distance between sensor parts when the door is closed should be 0.2 in (5 mm).

Temperature Sensor with Overheating Protection (4)

• Connect the cable to the temperature sensor's plug (see figure).
• Screw the temperature sensor onto the wall (see figure).
• The temperature sensor cannot be placed above the heater; it must be at least 19.7 in (50 cm) away from it.
• The temperature sensor should be 5.9-7.9 in (15-20 cm) from the ceiling.
• The temperature sensor must be at least 19.7 in (50 cm) from any air opening (ventilation, door, window).

Vaporizer (6)

• A vaporizer connects to outputs SL and SN as shown in the figure. If a vaporizer is connected, select the vaporizer function in the control console settings (see User instructions).

NB! When connecting the control console with an electrical heater that has a vaporizer function, ensure the water tank is always filled with water. If the water tank is empty, the vaporizer function is disabled, risking burnout of the heating element.

Connection of a Lighting System (7)

• Lighting/ventilation can be connected to the LL and LN outputs of the control console (see figure). This allows switching the connected system on/off from the control console.
• To use the lighting function, select it in the control console settings (see User instructions).
• Maximum power for incandescent lamps/ventilation systems is 120V 100W; for LED lights, it's 120V 50W.

Connecting the WiFi Controller to the Network

• The WiFi modem complies with 802.11 b/g/n standards.
• The controller is compatible only with 2.4 GHz networks. Connection fails if your 5 GHz network has the same name as the 2.4 GHz one.
• The controller does not support WiFi names and passwords longer than 20 characters.
• On the UKU control panel, go to the settings menu (hold button for 10s).
• Navigate to “WIFI settings”.
• Select “SSID” and choose your network.
• Enter the password and follow the wizard's instructions to connect.
• Refer to the “UKU Mobile App” section for further instructions.

UKU Mobile App

The UKU WiFi device can also be controlled via a smartphone app, allowing you to operate the sauna remotely.

Download the HUUM application from your mobile phone's operating system app store:

• iOS – App Store
• Android – Google Play

• Create a user account.
• Link the control console's ID (e.g., 2XXXXX) to your user account. The ID and code are on the main module's sticker.
• Verify all mobile app functions work correctly and commands reach the sauna within 60 seconds. If functions do not work, contact the manufacturer at info@huumsauna.com.

Testing

NB! Have a qualified electrician perform tests.

WARNING! Risk of electric shock! Tests must be performed while power is on.

• Check power terminals of the circuit breaker and main module. Poor connections can cause fire. Turn on power from the switchboard. The screen will flash briefly; the device is ready.
• Check the door switch: Close the steam room door. Turn on the control console, set temperature, and turn on heating. Contactors should switch on. Open the door; contactors should switch off in 5-10 seconds. Close the door; contactors should switch on again.
• Check the temperature sensor:
• Install protection. Turn off power at the sauna switchboard for 15 seconds, then turn it back on. The control console should turn off and then display the current temperature upon powering up.
• Temperature updates periodically (1 degree at a time); it may take time to reach the actual reading.
• Set desired temperature to 122°F (50°C). Turn the sauna on and check if the temperature is maintained. Turn heating off.
• Set desired temperature and turn heating on. Verify the temperature is achieved and maintained.

Operation Manual

• To start or stop heating, briefly press the button on the control panel.
• During heating, a heating icon (?) appears above the temperature value.
• If you see the [WiFi disconnected icon], you are not connected to WiFi. Refer to page 8 for connection instructions.
• If you see the [WiFi connected icon], your device is connected and ready for app use. See the “UKU Mobile App” section.
• WiFi signal strength is indicated by filled bars.
• The screen remains active during heating.
• Using the mobile app allows choosing heating periods based on controller settings. From the control panel, select heating times: 3/6 hours (private saunas), 12 hours (semi-public), 18 hours (public).
• The control console turns off after heating ends or when the button is used.
• The number in the top-right corner is the target temperature; the center displays the current temperature. Adjust temperature using the knob.
• To access the settings menu, press and hold the button for 10 seconds.
• In the settings menu, you can select between °F and °C.
• Vent/Light: This function turns on connected appliances (LN LL outputs) for a selected time whenever the door is opened.

Child Lock

• The child lock function can be activated from the settings menu.
• It automatically activates when the control console screen turns off.
• When child lock is active, press and hold the button, turn it 15 degrees right, then 15 degrees left, and back to activate the screen.

Timer

• To activate the timer, press and hold the button for 3 seconds.
• After selecting the time, a short press on the button activates the timer. The timer function will not activate unless the button is pressed.

Lighting

• A lighting function can be selected from the settings menu.
• When selected, the light turns on/off with two quick button presses.

Vaporizer

• A vaporizer function can be selected from the settings menu.
• When selected, steam increases by pressing, holding, and turning the button right; steam decreases by turning the button left. Heat intensity is shown as an indicator (1-10) in the lower-left corner.

Using the Mobile App

• Set desired sauna temperature and heating time (last setting is remembered).
• Turn the sauna on.
• More details are available in the application's instructions.

General Safety Information for the User

• If thermal protection (266°F / 130°C) trips, check sauna condition and safety. For heat sensor replacement, contact info@huumsauna.com.
• For unique problems not in the manual, contact your vendor for safety.
• Do not alter or rebuild the control device for safe use.
• The manufacturer reserves the right to make technical changes.

Purposeful Use

• Ensure no objects are on the heater; even non-combustible items can cause overheating and fire.
• Close the steam room door while the sauna heats. Heating will not work with an open door.
• This device is not intended for use by persons with limited physical, sensory, or mental abilities (including children), or those lacking experience/knowledge, unless supervised or instructed by a responsible person.
• Ensure children do not play with the device.
• For safety, turn off the sauna's circuit breaker when not in use.
• For remote control use, check heater condition and remove items from it. Ensure the steam room is safe and close the door.
• Old devices contain recyclable materials; do not dispose of them with household waste.
• Turn off the sauna's circuit breaker if not using the sauna for an extended period.

Warranty

Buyers must read the user manual and follow instructions. Damage from non-compliance voids the warranty.

If defects are found that are attributable to the manufacturer, the buyer can demand repair or replacement within 5 years of purchase. A purchase receipt is required for warranty claims.

Warranty Terms:

• Warranty applies only to products used according to the manual.
• Warranty does not cover natural wear and tear.
• Warranty does not cover defects or wear from planned use.
• Warranty does not apply if:
• Damage/defects are caused by transportation or other factors outside manufacturer control.
• Product is damaged by carelessness, improper storing, or overload.
• Installation errors occurred due to non-compliance with the manual.
• Product has been modified.
• Warranty period has expired.
• Product is incomplete.

Submit all demands directly to the reseller or via email: Canada: canada.support@huumsauna.com, USA: usa.support@huumsauna.com.

Find the latest updates at www.huumsauna.com.