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ELECTRICAL CIRCULAR DUCT HEATERS

EKA

Electrical duct heaters EKA are designed to heat fresh air in ventilation systems. Casing

(EKA

protection class IP 44, except

EKA Type NV which protection class IP 30)

is made from Aluzinc coated

steel which is high temperature proof and with rubber seals for duct connection. Heating elements
tube is made from stainless steel AISI 304. There are 2 protection thermostats and screw terminals
for easy connection installed in the heaters.

Heaters can be installed horizontally with the electrical connection box facing upwards or

sideways and vertically

(only if the air flow direction upwards

)

. The air velocity in the duct of the

heater must be 1,

5 m/s minimum. The maximum temperature of the output is 50 °

D+63 B

PS PS

≤1,5

(1~230V)

<3,0 kW

(2~400V)

;

≤

3,0 kW

(3~400V)

Description

Dimensions

Содержание EKA 100

Страница 1: ...ELECTRICAL CIRCULAR DUCT HEATERS EKA ELECTRICAL CIRCULAR DUCT HEATERS EKA Technical data Mounting Maintenance ...

Страница 2: ...ments tube is made from stainless steel AISI 304 There are 2 protection thermostats and screw terminals for easy connection installed in the heaters Heaters can be installed horizontally with the electrical connection box facing upwards or sideways and vertically only if the air flow direction upwards The air velocity in the duct of the heater must be 1 5 m s minimum The maximum temperature of the...

Страница 3: ...ELECTRICAL CIRCULAR DUCT HEATERS EKA 2 D 25 B C D 50 50 A D 25 63 B PS PS C D 50 50 A 1 5 kW 1 230V 3 0 kW 2 400V 3 0 kW 3 400V ...

Страница 4: ... EKA 355 12kW 500 402 71 355 EKA 355 15kW 630 532 71 355 EKA 355 18kW 630 532 71 355 EKA 400 373 276 81 400 EKA 400 12kW 500 402 81 400 EKA 400 15kW 630 532 81 400 EKA 400 18kW 630 532 81 400 EKA 400 21kW 770 672 81 400 EKA 400 24kW 880 782 81 400 EKA 450 373 276 81 450 EKA 450 12kW 500 402 81 450 EKA 450 15kW 630 532 81 450 EKA 450 18kW 630 532 81 450 EKA 450 21kW 770 672 81 450 EKA 450 24kW 880 ...

Страница 5: ...0 1 5 EKA 315 315 425 1 230 0 6 9 0 0 6 1 0 1 2 2 400 1 0 9 0 1 0 1 5 3 400 3 0 9 0 1 0 1 5 EKA 315 12kW 315 425 2 400 12 1 0 1 5 3 400 12 1 0 1 5 EKA 315 15kW 315 425 2 400 15 1 0 1 5 3 400 15 1 0 1 5 EKA 315 18kW 315 425 2 400 18 1 0 1 5 3 400 18 1 0 1 5 EKA 355 355 535 1 230 0 6 9 0 0 6 1 0 1 2 2 400 1 0 9 0 1 0 1 5 3 400 3 0 9 0 1 0 1 5 EKA 355 12kW 355 535 2 400 12 1 0 1 5 3 400 12 1 0 1 5 EK...

Страница 6: ...450 24kW 450 860 3 400 24 1 0 1 5 EKA 500 500 1060 1 230 0 6 9 0 0 6 1 0 1 2 2 400 1 0 9 0 1 0 1 5 3 400 3 0 9 0 1 0 1 5 EKA 500 12kW 500 1060 1 230 9 1 0 2 400 12 1 0 1 5 3 400 12 1 0 1 5 EKA 500 15kW 500 1060 1 230 12 1 0 2 400 15 1 0 1 5 3 400 15 1 0 1 5 EKA 500 18kW 500 1060 2 400 18 1 0 1 5 3 400 18 1 0 1 5 EKA 500 21kW 500 1060 3 400 21 1 0 1 5 EKA 500 24kW 500 1060 3 400 24 1 0 1 5 Heaters ...

Страница 7: ...ntrol type NV Potentiometer on the top of the heater casing for temperature control NI External wired remote setpoint knob TR5K for temperature control NIS External wired remote 0 10 VDC signal for temperature control analog input ESKM External wired remote PWM ON OFF ON 6 24 VDC signal for temperature control MB External wired remote temperature control via Modbus RTU protocol RS485 2 Duct diamet...

Страница 8: ...ng when the temperature reaches 100 C Only way to reset it push the reset button on the top of the casing see mounting examples when the temperature drops below 100 C In the heaters EKA ESKM are installed additional thermostat with automatic reset for controller ESKM overheating protection This thermostat turns off the heating when the temperature reaches 70 C and turns on when the temperature dro...

Страница 9: ...taller to cut all power supply lines Automatic circuit breaker must be selected regarding power and nominal current see the electrical rating plate on the heater casing top of the heater and should have characteristic B Connect the heater to the mains power supply check that the voltage frequency power and current are the same as those indicated on the electrical rating plate The heater must be ea...

Страница 10: ...ELECTRICAL CIRCULAR DUCT HEATERS EKA 9 Fig 3 Mounting example EKA NIS Fig 4 Mounting example EKA ESKM Fig 5 Mounting example EKA NV 2NTC Fig 6 Mounting example EKA NI 2NTC ...

Страница 11: ...ir handling unit Fig 7 Mounting example EKA NV Preheater AHU Air handling unit Fig 8 Mounting example EKA NI Preheater AHU Air handling unit Fig 9 Mounting example EKA NIS Preheater AHU Air handling unit Fig 10 Mounting example EKA ESKM Preheater ...

Страница 12: ...e EKA MB external wired remote temperature control via Modbus RTU protocol RS485 Electrical duct heaters EKA with integrated temperature controller EKR KN works by PID regulator That enable fine temperature control Controller EKR KN controls load by Triacs without moving parts which causes no noise commutation Table 1 Technical characteristics of controller EKR KN Power supply depending on model s...

Страница 13: ...ps Max load kW Total load kW Controlled Max current A EKR 6 1 1 230 1 230 3 2 3 2 16 2 400 2 400 6 4 6 4 EKR 15 1 3 230 3 230 9 1 9 18 25 3 400 3 400 15 1 15 30 EKR 15 1P 3 230 3 230 9 4 135 144 25 3 400 3 400 15 4 225 240 EKR 30 1 3 230 3 230 15 1 15 30 45 3 400 3 400 30 1 30 60 EKR 30 1P 3 230 3 230 15 4 225 240 45 3 400 3 400 30 4 450 480 relay outputs 5A 230V intended for contactors control Fo...

Страница 14: ...ow Type Description Measurement range C Setpoint range C TJ K10K Duct temperature sensor 30 105 TR NTC10 Room temperature sensor panel 30 105 TR5K NTC10 Room temperature sensor panel with setpoint knob 30 105 0 30 TR5K External remote panel with setpoint knob 0 30 For more information read accessories user guide Additional accessories for the controllers ...

Страница 15: ... 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 Electrical duct heate...

Страница 16: ... 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 1 lights continuously it means that there is a failure of PTC air velocity sensor supply TJ K10K air temperature sensor potentiometer on the top of the heater casing When the heater power supply is switched on after powe...

Страница 17: ...lights continuously it means that there is a failure of PTC air velocity sensor When the heater power supply is switched on after power supply interruption or after any failure controller is in preparing mode for 30 seconds IMPORTANT If failure appears power supply must be switched off and only then performed fault elimination works Electrical duct heaters EKA NV 2NTC are designed with integrated ...

Страница 18: ...ly then performed fault elimination works Electrical duct heaters EKA NV PTC 2NTC are designed with integrated temperature control PTC air velocity and two temperature sensors potentiometer on the top of the heater casing for temperature setpoint When the heater power supply is switched on controller EKR KN is in preparing mode for 30 seconds LED 1 flashes once every 5 seconds If there is air velo...

Страница 19: ...velocity appears Heaters EKA NI PTC 2NTC can operate in two modes 1 Control by the supply air temperature sensor TJ K10K when the first 1 switch of JP1 see Fig 11 is in position OFF LED 1 flashes once per second Set point temperature 0 30 C 2 Control by the supply TJ K10K and by the room NTC10 air temperature sensor when the first 1 switch of JP1 see Fig 11 is in position ON LED 1 flashes twice pe...

Страница 20: ... Possible values Default value Device address 1 247 10 Baud rate 2400 4800 9600 19200 38400 9600 Parity None Even Odd None Stop bit None 1 2 1 There is connection provided on the PCB for Modbus see Fig 11 Connector pin layout and meanings are shown in Fig 12 Fig 12 Connector for Modbus control 12VDC B A GND For detailed information about control via Modbus please contact manufacturer Description o...

Страница 21: ...nsor for minimum air velocity detection PS Differential pressure switch for air flow detection TJ K10K Supply air temperature sensor TR NTC10 Room temperature sensor panel TR5K NTC10 Room temperature sensor panel with remote setpoint knob TR5K External remote setpoint knob panel 3 6 Kw 3 6 kW Fig 13 Electrical wiring diagrams of single phase 230V heater EKA 1f 6 kW 6 kW Fig 14 Electrical wiring di...

Страница 22: ... EKA 21 Fig 15 Electrical wiring diagram of 3 phase 400V heater EKA 3f 3 6 kW 3 6 kW Fig 16 Electrical wiring diagrams of single phase 230V heater EKA 1f PS 6 kW 6 kW Fig 17 Electrical wiring diagrams of 2 phase 400V heater EKA 2f PS ...

Страница 23: ...ELECTRICAL CIRCULAR DUCT HEATERS EKA 22 Fig 18 Electrical wiring diagram of 3 phase 400V heater EKA 3f PS 3 6 kW 3 6 kW Fig 19 Electrical wiring diagrams of single phase 230V heater EKA NV 1f ...

Страница 24: ...ELECTRICAL CIRCULAR DUCT HEATERS EKA 23 6 kW 6 kW Fig 20 Electrical wiring diagrams of 2 phase 400V heater EKA NV 2f Fig 21 Electrical wiring diagram of 3 phase 400V heater EKA NV 3f ...

Страница 25: ...CTRICAL CIRCULAR DUCT HEATERS EKA 24 3 6 kW 3 6 kW Fig 22 Electrical wiring diagrams of single phase 230V heater EKA NV 1f PS 6 kW 6 kW Fig 23 Electrical wiring diagrams of 2 phase 400V heater EKA NV 2f PS ...

Страница 26: ...ELECTRICAL CIRCULAR DUCT HEATERS EKA 25 Fig 24 Electrical wiring diagram of 3 phase 400V heater EKA NV 3f PS 3 6 kW 3 6 kW Fig 25 Electrical wiring diagrams of single phase 230V heater EKA NV 1f PTC ...

Страница 27: ...ELECTRICAL CIRCULAR DUCT HEATERS EKA 26 6 kW 6 kW Fig 26 Electrical wiring diagrams of 2 phase 400V heater EKA NV 2f PTC Fig 27 Electrical wiring diagram of 3 phase 400V heater EKA NV 3f PTC ...

Страница 28: ...CAL CIRCULAR DUCT HEATERS EKA 27 3 6 kW 3 6 kW Fig 28 Electrical wiring diagrams of single phase 230V heater EKA NV 1f PTC PS 6 kW 6 kW Fig 29 Electrical wiring diagrams of 2 phase 400V heater EKA NV 2f PTC PS ...

Страница 29: ...ELECTRICAL CIRCULAR DUCT HEATERS EKA 28 Fig 30 Electrical wiring diagram of 3 phase 400V heater EKA NV 3f PTC PS Fig 31 Electrical wiring diagram of single phase 230V heater EKA NV 1f PTC K ...

Страница 30: ...ELECTRICAL CIRCULAR DUCT HEATERS EKA 29 Fig 32 Electrical wiring diagram of 2 phase 400V heater EKA NV 2f PTC K Fig 33 Electrical wiring diagram of 3 phase 400V heater EKA NV 3f PTC K ...

Страница 31: ...CTRICAL CIRCULAR DUCT HEATERS EKA 30 3 6 kW 3 6 Kw Fig 34 Electrical wiring diagrams of single phase 230V heater EKA NV 1f PH 6 kW 6 kW Fig 35 Electrical wiring diagrams of 2 phase 400V heater EKA NV 2f PH ...

Страница 32: ...ELECTRICAL CIRCULAR DUCT HEATERS EKA 31 Fig 36 Electrical wiring diagram of 3 phase 400V heater EKA NV 3f PH 3 6 kW 3 6 Kw Fig 37 Electrical wiring diagrams of single phase 230V heater EKA NV 1f 2NTC ...

Страница 33: ...ELECTRICAL CIRCULAR DUCT HEATERS EKA 32 6 kW 6 kW Fig 38 Electrical wiring diagrams of 2 phase 400V heater EKA NV 2f 2NTC Fig 39 Electrical wiring diagram of 3 phase 400V heater EKA NV 3f 2NTC ...

Страница 34: ...L CIRCULAR DUCT HEATERS EKA 33 3 6 kW 3 6 Kw Fig 40 Electrical wiring diagrams of single phase 230V heater EKA NV 1f PTC 2NTC 6 kW 6 kW Fig 41 Electrical wiring diagrams of 2 phase 400V heater EKA NV 2f PTC 2NTC ...

Страница 35: ...ELECTRICAL CIRCULAR DUCT HEATERS EKA 34 Fig 42 Electrical wiring diagram of 3 phase 400V heater EKA NV 3f PTC 2NTC 3 6 kW 3 6 Kw Fig 43 Electrical wiring diagrams of single phase 230V heater EKA NI 1f ...

Страница 36: ...ELECTRICAL CIRCULAR DUCT HEATERS EKA 35 6 kW 6 kW Fig 44 Electrical wiring diagrams of 2 phase 400V heater EKA NI 2f Fig 45 Electrical wiring diagram of 3 phase 400V heater EKA NI 3f ...

Страница 37: ...CTRICAL CIRCULAR DUCT HEATERS EKA 36 3 6 kW 3 6 Kw Fig 46 Electrical wiring diagrams of single phase 230V heater EKA NI 1f PS 6 kW 6 Kw Fig 47 Electrical wiring diagrams of 2 phase 400V heater EKA NI 2f PS ...

Страница 38: ...ELECTRICAL CIRCULAR DUCT HEATERS EKA 37 Fig 48 Electrical wiring diagram of 3 phase 400V heater EKA NI 3f PS 3 6 kW 3 6 Kw Fig 49 Electrical wiring diagrams of single phase 230V heater EKA NI 1f PTC ...

Страница 39: ...ELECTRICAL CIRCULAR DUCT HEATERS EKA 38 6 kW 6 Kw Fig 50 Electrical wiring diagrams of 2 phase 400V heater EKA NI 2f PTC Fig 51 Electrical wiring diagram of 3 phase 400V heater EKA NI 3f PTC ...

Страница 40: ...CAL CIRCULAR DUCT HEATERS EKA 39 3 6 kW 3 6 Kw Fig 52 Electrical wiring diagrams of single phase 230V heater EKA NI 1f PTC PS 6 kW 6 Kw Fig 53 Electrical wiring diagrams of 2 phase 400V heater EKA NI 2f PTC PS ...

Страница 41: ...ELECTRICAL CIRCULAR DUCT HEATERS EKA 40 Fig 54 Electrical wiring diagram of 3 phase 400V heater EKA NI 3f PTC PS Fig 55 Electrical wiring diagram of single phase 230V heater EKA NI 1f PTC K ...

Страница 42: ...ELECTRICAL CIRCULAR DUCT HEATERS EKA 41 Fig 56 Electrical wiring diagram of 2 phase 400V heater EKA NI 2f PTC K Fig 57 Electrical wiring diagram of 3 phase 400V heater EKA NI 3f PTC K ...

Страница 43: ...CTRICAL CIRCULAR DUCT HEATERS EKA 42 3 6 kW 3 6 Kw Fig 58 Electrical wiring diagrams of single phase 230V heater EKA NI 1f PH 6 kW 6 Kw Fig 59 Electrical wiring diagrams of 2 phase 400V heater EKA NI 2f PH ...

Страница 44: ...ELECTRICAL CIRCULAR DUCT HEATERS EKA 43 Fig 60 Electrical wiring diagram of 3 phase 400V heater EKA NI 3f PH 3 6 kW 3 6 Kw Fig 61 Electrical wiring diagrams of single phase 230V heater EKA NI 1f 2NTC ...

Страница 45: ...ELECTRICAL CIRCULAR DUCT HEATERS EKA 44 6 kW 6 Kw Fig 62 Electrical wiring diagrams of 2 phase 400V heater EKA NI 2f 2NTC Fig 63 Electrical wiring diagram of 3 phase 400V heater EKA NI 3f 2NTC ...

Страница 46: ...L CIRCULAR DUCT HEATERS EKA 45 3 6 kW 3 6 Kw Fig 64 Electrical wiring diagrams of single phase 230V heater EKA NI 1f PTC 2NTC 6 kW 6 Kw Fig 65 Electrical wiring diagrams of 2 phase 400V heater EKA NI 2f PTC 2NTC ...

Страница 47: ...ELECTRICAL CIRCULAR DUCT HEATERS EKA 46 Fig 66 Electrical wiring diagram of 3 phase 400V heater EKA NI 3f PTC 2NTC 3 6 kW 3 6 Kw Fig 67 Electrical wiring diagrams of single phase 230V heater EKA NIS 1f ...

Страница 48: ...ELECTRICAL CIRCULAR DUCT HEATERS EKA 47 6 kW 6 Kw Fig 68 Electrical wiring diagrams of 2 phase 400V heater EKA NIS 2f Fig 69 Electrical wiring diagram of 3 phase 400V heater EKA NIS 3f ...

Страница 49: ...TRICAL CIRCULAR DUCT HEATERS EKA 48 3 6 kW 3 6 Kw Fig 70 Electrical wiring diagrams of single phase 230V heater EKA NIS 1f PS 6 kW 6 Kw Fig 71 Electrical wiring diagrams of 2 phase 400V heater EKA NIS 2f PS ...

Страница 50: ...ELECTRICAL CIRCULAR DUCT HEATERS EKA 49 Fig 72 Electrical wiring diagram of 3 phase 400V heater EKA NIS 3f PS 3 6 kW 3 6 Kw Fig 73 Electrical wiring diagrams of single phase 230V heater EKA NIS 1f PTC ...

Страница 51: ...ELECTRICAL CIRCULAR DUCT HEATERS EKA 50 6 kW 6 Kw Fig 74 Electrical wiring diagrams of 2 phase 400V heater EKA NIS 2f PTC Fig 75 Electrical wiring diagram of 3 phase 400V heater EKA NIS 3f PTC ...

Страница 52: ...AL CIRCULAR DUCT HEATERS EKA 51 3 6 kW 3 6 Kw Fig 76 Electrical wiring diagrams of single phase 230V heater EKA NIS 1f PTC PS 6 kW 6 Kw Fig 77 Electrical wiring diagrams of 2 phase 400V heater EKA NIS 2f PTC PS ...

Страница 53: ...ELECTRICAL CIRCULAR DUCT HEATERS EKA 52 Fig 78 Electrical wiring diagram of 3 phase 400V heater EKA NIS 3f PTC PS Fig 79 Electrical wiring diagram of single phase 230V heater EKA NIS 1f PTC K ...

Страница 54: ...ELECTRICAL CIRCULAR DUCT HEATERS EKA 53 Fig 80 Electrical wiring diagram of 2 phase 400V heater EKA NIS 2f PTC K Fig 81 Electrical wiring diagram of 3 phase 400V heater EKA NIS 3f PTC K ...

Страница 55: ...TRICAL CIRCULAR DUCT HEATERS EKA 54 3 6 kW 3 6 Kw Fig 82 Electrical wiring diagrams of single phase 230V heater EKA NIS 1f PH 6 kW 6 Kw Fig 83 Electrical wiring diagrams of 2 phase 400V heater EKA NIS 2f PH ...

Страница 56: ...ELECTRICAL CIRCULAR DUCT HEATERS EKA 55 Fig 84 Electrical wiring diagram of 3 phase 400V heater EKA NIS 3f PH 3 kW Fig 85 Electrical wiring diagram of single phase 230V heater EKA ESKM 1f ...

Страница 57: ...ELECTRICAL CIRCULAR DUCT HEATERS EKA 56 6 kW Fig 86 Electrical wiring diagram of 2 phase 400V heater EKA ESKM 2f 15 kW Fig 87 Electrical wiring diagram of 3 phase 400V heater EKA ESKM 3f ...

Страница 58: ... normal operating conditions for 24 months from the date of manufacturer s invoice Please note that the product warranty terms may vary depending on purchase or installation contracts During the product warranty period warranty service free of charge is provided for product malfunctions caused under normal operating conditions For warranty service contact an official Ventmatika dealer Any manipula...

Страница 59: ...ELECTRICAL CIRCULAR DUCT HEATERS EKA 58 Notes ...

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