Descrip On - Ventmatika EKA Technical Data Manual

Descrip on

Electrical duct heaters EKA are designed to heat fresh air in ven la on systems. Casing (EKA protec on class IP
44, except EKA Type NV which protec on class IP 30) is made from Aluzinc coated steel which is high temperature
proof and with rubber seals for duct connec on. Tube of hea ng element is made from stainless steel AISI 304.
There are 2 protec on thermostats and screw terminals for easy connec on installed in the heaters.
Heaters can be installed horizontally with the electrical connec on box facing upwards or sideways and
ver cally (only if the air flow direc on upwards). Heaters can't be installed in explosive and aggressive substances
environment. Heaters can be used only for the clean air hea ng or prehea ng. Heaters intended only for inside
installa on. If heater is installed in such way that can be accidental contact with hea ng elements, protec ve grill
must be installed. The air velocity in the duct of the heater must be 1,5 m/s minimum. The maximum temperature
of the output is 50 °C.
Heaters EKA with integrated temperature controller EKR-K... (See Fig. 1) can be controlled in five different ways
depending on control type:
Type EKA NV – poten ometer on the lid of the heater (See page 11).
Type EKA NI – external wired remote setpoint knob (TR5K) for temperature control (See page 11).
Type EKA NIS – external wired remote 0...10V signal for temperature control (See page 12).
Type EKA ESKM – external wired remote PWM (ON/OFF: ON(6...24)VDC) signal for temp. control
Electrical duct heaters EKA with integrated temperature controller EKR-K... works by PID regulator. That enable
fine temperature control. Controller EKR-K... controls load by Triacs without moving parts, which causes no-noise
commuta on.
View may vary depending on type EKR-K.
4
Fig. 1