ELECTRA | FAN COILS CATALOG 2024

190992 – Controller Panel Neptronic 1PH (BACNET/MODBUS) for On/Off or Proportional Cooling Valve &1 Level Heater up to3.5 kW

DS1 3&4 In Heating Mode

DS1 1&2 1

Fan Type

3 4 Voltage Range OFF OFF 3.0V to 10.0V OFF ON 3.0V to 8.0V ON OFF 3.0V to 6.0V ON ON 3.0V to 5.0V In Cooling Mode 3 4 Voltage Range OFF OFF 2.5V to 10.0V OFF ON 2.5V to 8.0V ON OFF 2.5V to 6.0V ON ON 2.5V to 5.0V

OFF AC Fan ON ECM Fan 2 OFF BACnet ON Modbus

Network Mode

TDF

COM PWR DATA

1 2 3 4 5 6 7

DS2 DIP Switch The 8 DIP switches

A+ B

represent a binary logic to calculate the MAC address. Default = all OFF

Optional: connect to enable service port

PWR STATUS

8 7 6 5 4 3 2 1

4 3 2 1

ON

ON

24Vac COM COM BUS

DS2

DS1

1 2 3

TB9

To other BACnet/Modbus device

IN B IN A+

3 1 2

JP1

TB10

COM

2 1 H-L1

JP3

220 VAC

TB3 (DO2)

TI1 TI2

N L1

L1

6 7 8 2 5 3 4 1

TO1

3 2 1 Neutral

COM

P2

TO2

Heater Coil

TB4

TB11

TI3 TI4

P1

TO3

A M

COM

Nh

4 3 2 1

Modulating Cooling Valve

TO4

Nh

JP4

AO1 AO2 COM AO3 AO4

1

TB5

0-10Vdc COM 24Vac

Nh

2 3 4 5

TB12

P1 P2

Fuse 10A F1

High temperature cut-out (by others)

AI1

1 2 3

External Temperature Sensor (10kΩ, Type 3))

TB13

COM

On/Off Valve

AI2 AI3

1 2 3 4 5 1 2 3 4 5

1 2

COM Heat/Cool

COM AI4

2 1 2 1 FAN LOW FAN MED FAN HIGH NEUTRAL 4 3 2 1 4 3 2 1 Ground

TB6

TB14

(DO1)

AI5 AI6

3-Speed Fan

Modulating Heating Valve

DI1

COM DI2

0

TB7

0-10Vdc COM 24Vac

TB15

DI3 DI4

1 2 1 2 1 2

TB16

TB8

EC Motor Power (optional)

EC Fan (optional)

COM 24VAC/6VA

TB17

0-10Vdc COM 12Vdc

12VDC/100mA COM

TB18

0

EF0B-LE1 Wiring Diagram - 1 Phase

Firmware Revision: V1.01

2020-08-19

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