Description Of Control Type; Description Of Operating Eka Nv; Description Of Operating Eka Ni - Ventmatika EKA Series Technical Data, Mounting, Maintenance

ELECTRICAL CIRCULAR DUCT HEATERS

Description of control type

Heater type
EKA NV...
EKA NI... External wired remote panel with setpoint knob (TR5K)
EKA NIS... External wired remote (0...10) VDC signal (analog input)
EKA ESKM... External wired remote PWM (ON/OFF: ON (6...24) VDC) signal
EKA MB... External wired remote control via Modbus RTU protocol (RS485)
* – other setpoint range on request
** – power of the heater (kW)

Description of operating EKA NV ...

Electrical duct heaters EKA NV ... are designed with integrated temperature control, one
2
temperature sensor, potentiometer on the top of the heater casing for temperature setpoint.
When the heater power supply is switched on, LED 6 on the controller (EKR-KN...) PCB (see Fig.
11) flashes once every 8 seconds if setpoint is 0 °C and every second if setpoint is
controller turns on the heating depending on the demand, LED 5 lights (see Fig. 11).
Heaters EKA NV ... operates by the supply (TJ-K10K) air temperature sensor. Setpoint
temperature (0...30) °C.
There can be set the different desired (setpoint) air temperature by potentiometer on the top
of the heater casing.
If LED 6 lights continuously it means that there is a failure of: supply (TJ-K10K) air temperature
sensor or potentiometer on the top of the heater casing.
IMPORTANT:
If failure appears, power supply must be switched off and only then performed
fault elimination works.

Description of operating EKA NI ...

Electrical duct heaters EKA NI ... are designed with integrated temperature control, one
2
temperature sensor, wired remote control panel (TR5K) for temperature setpoint.
When the heater power supply is switched on, LED 6 on the controller (EKR-KN...) PCB (see Fig.
11) flashes once every 8 seconds if setpoint is 0 °C and every second if setpoint is
controller turns on the heating depending on the demand, LED 5 lights (see Fig. 11).
Heaters EKA NI ... operates by the supply (TJ-K10K) air temperature sensor. Setpoint
temperature (0...30) °C.
There can be set the different desired (setpoint) air temperature by wired remote control panel.
If LED 6 lights continuously it means that there is a failure of: supply (TJ-K10K) air temperature
sensor or wired remote control panel TR5K.
Temperature control type
Potentiometer on the top of the heater casing
EKA
Setpoint range
(0...30) °C*
(0...30) °C
P**×(0...100) %
P**×(0...100) %
(0...30) °C or
P**×(0...100) %
0 °C. If
higher than
0 °C. If
higher than
14