LEO FS
36Pages

LEO KMFS VENTILATION UNITS

• Horizontal range of air stream 6 • LEO KMFS control system 16 • LEO KMFS connection diagrams 19 • Air flow regulation - technical data 26 • Heating capacity tables

GENERAL CHARACTERISTICS Heating capacity (kW) Air flow (m³/h) Weight (kg) Colour Casing KMFS 5–15 230–1150 32,0–35,0 grey antistatic ABS LEO FS | KMFS fan heaters are designed to operate indoors. They can be used for heating the buildings with small and medium cubic measure. Casing made of durable plastic, air blades made of anodized aluminium and modern design enable to install them in representative rooms like: restaurants, pubs, shops etc. is equipped with mixing chamber, which enables to supply the fresh air into the room. It is the simpliest mechanical ventilation system. There are two...

CASING Is made of durable plastic - ABS. It fully covers all of the water and electrical connections, which makes the unit very aesthetic. EASY INSTALLATION Light construction and integrated installation console provide easy and quick installation of the unit. There is no need to use any additional brackets or supporting structures. FAN LEO FS type M units are equipped with energy-efficient EC fan, which power consumption is only 57,5W. This type of fan ensures big savings during unit’s operation. REGULATION OF AIR VOLUME SUPPLY LEO KMFS heating and ventilation unit ensures mechanical...

TECHNICAL DATA FS S Fan Max. air flow [m3/h] Power supply [V/Hz] Max. current consumption [A] Max. power consumption [W] IP / Insulation class Max. acoustic pressure level* [dB(A)] Max. air stream range** [m] Heat exchanger Nominal heating capacity***[kW] Air temperature rise (ΔT)*** [oC] Max. water temperature [oC] Max. water pressure [MPa] Connection [”] Casing Colour Air filter Place of installation Max. ambient temperature [oC] Installation position Unit weight [kg] Weight of unit filled with water [kg] LEO FS|KMFS S/V - axial, single phase, AC LEO FS|KMFS M - axial with electronically...

Air temperature rise at unit’s maximum air flow. Inlet air temperature 0°C. Tw1/Tw2 - inlet/outlet water temperature. HORIZONTAL RANGE OF AIR STREAM Horizontal range of isothermal stream (at velocity boundary equal to 0,5 m/s).

KMFS Operation point of the unit.

INTEGRATED INSTALLATION CONSOLE LEO FS and KMFS have integrated installation console. There is no need to use any additional holders. Wall-mounted air inlet is equipped with galvanized net and fixed shutter, which protect air inlet against rain, snow etc. INSTALLATION OPTIONS

INSTALLATION TIPS Steady air circulation should be provided in the entire room. Correctly installed heaters should direct the air to the occupied zone. Heaters installed on the opposite walls should be overlapped. Air flow stream should not be limited. Fresh air can be delivered to the unit by the straight air ducts. Air inlet should not be limited.

MODULATED CONTROL SYSTEM VNT20 control panel with built-in room thermostat SRQ2d two-way valves with actuator SRQ3d three-way valves with actuator VNTLCD control panel with weekly programmer and built-in room thermostat TEMPERATURE DIAGRAM It is is energy-efficient heating system prepared for buildings with medium and big cubic measure. Airflow and heating capacity are automatically controlled depending on actual temperature - air flow is adjusted to current heat demand. Control panel (VNTLCD or VNT20) automatically and stepless change the speed of the fan according to difference between...

ON/OFF CONTROL SYSTEM RE room thermostat with weekly programmer SRQ2d two-way valves with actuator TR 5-step fan speed regulator TRd 5-step fan speed regulator S/V SRQ3d three-way valves with actuator It is the simplest ON/OFF regulation system. Fan heater is controlled by room thermostat, which turns on the unit (or/and opens the valve) when measured temperature drops below set temperature. Air flow is regulated by transformer regulator. FEATURES: Low thermal inertia. Low investment costs. Easy to use. Independent regulation of every single unit. Gradual regulation of air flow. TEMPERATURE...

BMS PROGRAMMING VNTLCD control panel enables to connect the system to BMS (Building Management System). It is equipped with communication protocol MODBUS in RTU mode. Communication takes place at a speed of {4800|9600|19200|38400} (without parity control, 1 bit of stop). It is possible to set up to 31 addresses. Temperature of internal sensor Temperature input to the regulator Status of heating/cooling relay Output voltage on AOUT contact Current speed of fans Temperature of antifreeze protection Status of selected master sensor 0 - internal sensor 1 - external sensor Status of control 0 -...

Parameter TZAD_MANUAL TZAD_AUTO VSPEED_HI VSPEED_LO ALARM_ID Parameter range Scale factor Set temperature in manual mode Set temperature in automatic mode Upper limit of fans speed Lower limit of fans speed Unit’s internal error alarms (broken solder joints, communication errors) Correction of fans speed Temperature correction of external sensor Status of temperature regulator setting Fans speed in manual mode Fans speed in automatic mode Fans speed when antifreeze protection is active VSPEED_MANUAL VSPEED_AUTO VSPEED_AF Software version Upper limit of temperature hysteresis.* Lower limit...

LEO FS CONTROL SYSTEM COMPONENTS Power supply: 230 V 50 Hz Protection degree: IP20 Temperature adjustment range: +5 … +35°C Operating temperature range: -10 … +60°C Output control signal: analog 0-10 V Way of control: buttons, LED display Velocity control range: 0-100% Temperature sensor: built-in (optional PT-1000) Contacts load: inductive 3 A, resistance 8 A Dimensions (HxWxL): 70x120x25 mm Max. wire diameter: 2mm2 VNT20 control panel with built-in room thermostat additional equipment Technical data Power supply: 230 V 50 Hz Protection degree: IP20 Temperature adjustment range: +5 … +50°C...

ON/OFF CONTROL SYSTEM Technical data Temperature adjustment range: +10 … +30°C Operating temperature range: 0 … +40°C Protection degree: IP30 Contacts load: inductive 3 A, resistance 10 A Dimensions (HxWxL): 84x84x40 mm Max. wire diameter: 2,5 mm2 RE room thermostat with weekly programmer Temperature adjustment range: +5 … +45°C Operating temperature range: -10 … +50°C Protection degree: IP20 Contacts load: inductive 3,5 A, resistance 16 A Power supply: 2x1,5V AA batteries Dimensions (HxWxL): 86x138x25 mm Max. wire diameter: 2 mm2 Power supply: 230V 50/60 Hz Protection degree: IP54...