aeroterme electrice industriale

8/11/2019 aeroterme electrice industriale

http://slidepdf.com/reader/full/aeroterme-electrice-industriale 1/12

ELECTRIC FAN HEATERS


http://slidepdf.com/reader/full/aeroterme-electrice-industriale 2/12EL | 2

• General characteristic 3• Construction 4• Dimensions 5• Technical data 5• Installation 6• Control system 8• Connection diagram 9• Velocity of the air flow 9• Mixing chamber 10

TABLE OF CONTEST



LEO EL fan heaters are designed to operate indoors. They areused for heating rooms with a big cubic measure like industrialbuildings, warehouses and department stores. Commonly thoseare used in areas where heating units operate temporarily or/andother sources are not available.

* I step of heating capacity

GENERAL CHARACTERISTIC

EL

Heating capacity (kW) 9* or 16*/23

Air flow (m³/h) 3400*/4200

Weight (kg) 23,5

Colour grey

Casing sheet steel + plastic



LEO EL 23

Step I step II step

Heating capacity [kW] 9/16 23

Air temperature rise T [°C]* 10/16 21

Power supply [V/Hz] 3×400 / 50

Power consumption [A] 13/23 34

Air flow [m3/h] 3400 4200

Acoustic pressure level** [dB(A)] 51

Air stream range*** [m] 18 23

IP / Insulation class 20

Installation position Vertical

Max. ambient temperature [°C] 40

Casing Powder painted steel

Colour grey

Weight [kg] 23,5

* At inlet air temperature 0°C.** Acoustic pressure level measured in the room of average sound absorption, capacity 1500 m3, at distance of 5m from the unit.*** Horizontal range of isothermal stream (at velocity boundary equal to 0,5 m/s).

DIMENSIONS

6 0 0

640

726

630370

TECHNICAL DATA

LEO EL 23 dimensions LEO EL 23 with bracket



Steady air circulation should be provided in the entire room. Heaters installed on the opposite walls should be overlapped.

Is not allowed to install fan heater under the ceiling. Air flow stream shouldn’t be limited.

Air inlet shouldn’t be limited.

INSTALLATION OPTIONS



Leo EL is equipped with full control system which allow tostart up unit just after montage and supplying with current.Main control box has protective equipment which preventdamage of fan and heat exchanger.

Signal lamps: Operating mode:

Lamp signalize too hightemperature of heating element.Exchanger will be switched off, fanwill continue operating.

Lamp signalize too low air volume,filters are clogged or fan in notoperating.

Lamp signalize heating.

Summer mode

I heating step

II heating step

Room thermostat is delivered in set with unit on 5 m longcable. It allow to adjust desired temperature and operatingmode: I step heating, II step heating, summer mode.

MODESummer mode I step (9/16 kW) II step (23 kW)

Description Fan operate without heatingHeating modet (9 kW) = +10 °C*t (16 kW) = +16 °C*

Heating modet (23 kW) = +21 °C*

Thermostatic mode n/aAfter reaching temperature set on room thermostat, exchanger and fan(with 30 sec. delay) will be switched off.

Continuous mode n/aAfter reaching temperature set on room thermostat, exchanger will beswitched off. Fan operating continuously.

!

! I

II

* At inlet air temperature 0 oC

room thermostatwith mode switch

CONTROL SYSTEM

AVAILABLE OPERATING MODES

Main control box



min. 5×6 mm2

power supply

3 × 400 V

min. 5×0,75 mm2

CONNECTION DIAGRAM

Room thermostat with mode switches is delivered with5 m long cable. Cable can be elongated.

Max. length of thermostat cable 20 m.Max. diameter of thermostat cable 2 mm2.

Max. diameter of supplying cable 10 mm2.

VELOCITY OF THE AIR FLOW

range [m]

a i r v e l o c i t y [ m / s ]

0 5 10 15 20 25

1,5

3,0

4,0

1,0

2,5

3,5

0,5

2,0

0,0

4,5

air flow 4200 m3/h air flow 3400 m3/h

LEO EL 23



VELOCITY OF THE AIR FLOW LEO KMEL

range [m]

a i r v e l o c i t y [ m / s ]

0 2 4 6 8 10 12 14 16 18

1,5

3,0

4,0

1,0

2,5

3,5

0,5

2,0

0,0

4,5

MIXING CHAMBER

Leo EL connected with Leo KM mixingchamber create simplest ventilation system.Flowair offer control sets which allow to

connect exhaust fan to balance air volumeduring ventilation process.

More information in KMFB catalogue

6 0 0

6 4 0

640

600 920

KME

I step

Heating capacity (kW) ,5/14,5

urrent consumption (A) 2/20,5

ir temperature rise ∆T (°C) 12/19

ir ow (m /h) 32

eight (kg) 5



NOTES

aeroterme electrice industriale

Documents