EOS Econ 4 series

Control unit, dry and humid sauna

Electronic sauna control unit (dry & humid sauna) for demanding, private and commercial users.

Electronic sauna control unit for dry and humid sauna operation (H-variant for sauna heaters with vaporizer) with a large LCD display with multi-language menu navigation and new innovative functions. Particularly suitable for advanced commercial sauna cabins.

Extra-large, multi-line LCD display, all parameters at a glance. With 24 h pre-set timer in real time. Menu navigation in 12 languages, clock, output for cabin light 230V, Life-Guard function, remaining heating time display. With keypad lock (child lock). Safety temperature limitation 139 °C. Unlimited heating time (for commercial use).

Switching power 9 kW, may be extended for connection of more powerful heaters. Inc. temperature sensor with 2 m cable. Humidity sensor optional.

Additionally with:

Dimmable cabin light (10-step, automatic detection of inductive and capacitive loads).
Output for ventilation fan (3-speed).
Holiday home mode (restricted access - only basic functions)
4 user profiles.

The H-variant additionally with humidity control and output for vaporizer. Humidity control on time basis, adjustable in 10 steps. With low water recognition, after-heating and sauna dry function after the humid operation. Control range: 30 °C - 70 °C (dry mode) and 30 °C - 115 °C (humid mode).

Optional accessories:

Remote Start Module: with this module you can start your sauna from a remote location up to 100 m. An integrated LED lamp indicates the current operation status.
Bench Sensor: improves temperature control, recommended especially for large saunas or complex layouts.
F2 Humidity sensor: for humidity control as per relative air humidity in a sauna.

EOS Econ D4

Control unit for Finnish (dry) sauna. Ideal for private and commercial use. Temperature control range: 30 °C – 115 °C.

EOS Econ H4

Control unit for saunas with dry and humid operation. Compatible with all Bi-O sauna heaters up to 9 kW (power extension possible). Temperature control range: 30 °C – 115 °C (Finnish) and 30 °C – 70 °C (Bi-O).

Your advantages

Illuminated extra-large alphanumeric multiline LCD display, shows all parameters at a glance. Menu navigation in 12 languages.
Modern, slim housing design.
For dry and humid sauna operation. Digital temperature control:
- in dry (Finnish) sauna mode: 30 °C - 115 °C (D4/H4)
- in humid sauna mode: 30 °C - 70 °C (H4)
Remote switching possible (optional remote start button).
Dimmable cabin light (10-step, automatic detection of inductive and capacitive loads).
Output for fan, 3-step speed adjustment.
“Holiday home mode” (restricted access mode).
Switching capacity 9 kW, may be extended with an PEB device.
EOS Econ H4:
- Humidity control - proportional to time, adjustable in 10 steps.
- With water shortage alarm, sauna dry function (after-heating and extractor fan operation to dry sauna room after humid mode).

Technical specifications

Electrical connection	400 V 3N ~ 50 Hz
Switching capacity	9,0 kW resistive load (AC1 mode) Humidity mode (H4): 6 kW + 3 kW for vaporizer equipment. Can be expanded via the connection of power switching devices
Power extension via LSG unit	PEB 10 / PEB 18 / PEB 36
Temperature control range	30 - 115 °C Finnish (D4/H4) 30 - 70 °C Bi-O (H4)
Start time pre-selection	up to 24 hrs
Cabin light/fan outputs	max. 100 W
Heating time limitation	6 h, 12 h, unlimited
Dimensions H/W/D in cm	22 / 25 / 6,7
Ambient temperature in operation	-10 to +40 °C
Weight without packaging	1,0 kg