Summary of Contents for ECH-8-DM

Page 1: ...ECH 8 DM CONTROLLER FOR WATER HEATERS COOLERS WITH EC FAN Mounting and operating instructions ...

Page 2: ... Table of contents SAFETY AND PRECAUTIONS 3 PRODUCT DESCRIPTION 4 ARTICLE CODES 4 INTENDED AREA OF USE 4 TECHNICAL DATA 4 STANDARDS 4 OPERATIONAL DIAGRAMS 5 WIRING AND CONNECTIONS 6 MOUNTING INSTRUCTIONS IN STEPS 6 OPERATING INSTRUCTIONS 8 VERIFICATION OF INSTALLATION 9 TRANSPORT AND STORAGE 10 WARRANTY AND RESTRICTIONS 10 MAINTENANCE 10 ...

Page 3: ...affect the product performance Make sure the work environment is as dry as possible avoid condensation All installations shall comply with local health and safety regulations and local electrical standards and approved codes This product can only be installed by an engineer or a technician who has expert knowledge of the product and safety precautions Avoid contacts with energised electrical parts...

Page 4: ...e Supplyvoltage ECH 8 DM 85 305 VAC 50 60 Hz INTENDED AREA OF USE Warehouse air coolers equipped with EC fan and water valve The ideal controller for hot water air heaters in warehouses sheds stables etc Temperature controlled ventilation systems For indoor use surface wall mounted TECHNICAL DATA Supply voltage 85 305 VAC 50 60 Hz Stepless analogue output in automatic mode 0 6 0 10 VDC max load 20...

Page 5: ... mode cooling Unregulated output water valve control Analogue output EC fan speed control 5 C 35 C 0 4 C Valve output Setpoint Temperature Ts C Measured temperature T C Us 230 VAC 0 VAC Analogue output Setpoint Temperature Ts C Measured temperature T C 0 20 40 60 80 100 35 C 2 C 5 C 0 4 Manual mode 0 1 2 3 4 5 0 20 40 60 80 100 Analogue output Switch position Heating Cooling T Ts Valve heater outp...

Page 6: ...nd follow these steps 1 Unscrew the front cover and open the enclosure 2 Fix the unit onto the wall or panel using the provided screws and dowels Mind the correct position and mounting dimensions as shown in Fig 1 and Fig 2 Fig 1 Mounting dimensions Fig 2 Mounting position 128 5 180 208 92 5 98 115 Correct Incorrect 6 TEMP 5 20 30 35 10 25 15 6 TEMP 5 20 30 35 10 25 15 3 Insert the cables through ...

Page 7: ...tput range selection Jumper removed default 0 6 VDC Jumper installed 0 10 VDC 3 Temperature mode selection Jumper removed default heating Jumper installed cooling 4 PROG header 1 2 3 4 5 Put a jumper onto pins 1 and 2 and wait for at least 5 seconds to reset the Modbus communication parameters 1 2 3 4 5 Put a jumper onto pins 3 and 4 and restart the supply to enter bootloader mode 4 Tighten the ca...

Page 8: ...ed temperature via the left rotary switch Fig 4 Fig 4 Temperature setpoint selection 35 C 5 C 20 C 0 1 2 3 4 5 A 35 C 5 C 20 C 0 1 2 3 4 5 A 3 Select the operating mode by turning the control switch knob on the right to the relevant position 3 1 Manual mode In manual mode the fan speed can be selected manually via the switch position 1 5 Fig 5 In heating mode the motor will be enabled at the selec...

Page 9: ... is recovered the analogue output value will follow again the sensor settings VERIFICATION OF INSTALLATION ATTENTION Use only tools and equipment with non conducting handles when working on electrical devices Safe operation depends on proper installation Before start up ensure the following The mains supply is connected correctly The speed regulator must be properly earth protected During operatio...

Page 10: ...conditions stock in original packing WARRANTY AND RESTRICTIONS Two years from the delivery date against defects in manufacturing Any modifications or alterations to the product after the date of publication relieve the manufacturer of any responsibilities The manufacturer bears no responsibility for any misprints or mistakes in this data MAINTENANCE In normal conditions this product is maintenance...

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