• Model:ACO8AC/EC

ACO8AC/EC AutoChangeover panel

£ 300.62 (excl. VAT)

£ 360.74 (inc. VAT)

The dual AC/EC fan controller is a mains powered, twin fan controller with enclosure, suitable for all EC 0-10V speed controllable and AC fans.

The fans run alternately based on a selectable changeover period.
Potentiometers allow setting of the two fan speeds, normal and boost. The fan speeds are selected by volt free contacts or 0-10V input.

There is also an optional single-fan operation mode. Two VFC inputs - Normal/Boost and Remote on/off
Alarm output for fan fail, solid state relay 230V/8A contacts
LED for Fan OK/Fault
LED Fan1/Fan2 run
Duty share/changeover 3/6/9/12/15/18/21/24 hour set via switch
Remote enable input, volt free contacts
Normal/Boost fan speed input.
Current sensing 1 to 8 amp
Option to external boost/run via 0-10V input via BMS
Max adjustable output 0-10V to fans
Fan fault volt free contacts
Can select to start fan A or fan B

Download datasheet HERE
PDF Files


Wiring info

3 x COM-33 x Isolator Switch - ISOSW4 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x CS2 Current Switch1 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)2 x Single phase speed controller by auto-transformer - RMB 3.5 Amp3 x MWS 3 – Transformer Controller With Motor Protection1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven2 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Helios TSW 7.5 Amp Transformer speed controller1 x Push Timer Switch - ZA41 x TG-K3/NTC10-01 - Duct temperature sensor1 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan2 x TG-K Duct temperature sensor4 x Elta 6 Amp Electronic single phase speed controller with TK1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT3 x Elta Variable Speed Drive IP66 - 0.75KW1 x Single phase speed controller by auto-transformer - RMB 8.0 Amp1 x Systemair Save Connect 2.0 Internet Module4 x MWS 1.5 – Transformer Controller With Motor Protection4 x WS - Reversing Switch from Helios Fans2 x TG-R room temperature sensor1 x Remote Timer Control - 13512 x Isolator Switch - EFF-ISO1 x Transformer 5 Speed Controller - ATC1-12TK1 x Single phase speed controller by auto-transformer - RMB 10.0 Amp2 x Helios HQW-200/4 - IP552 x PIR Sensor - PIR22 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x EC6H - Reversible Group Fan Electronic Controller1 x BEAS-control module1 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x Helios HQW-200/2 - IP551 x CBM 9-9 550w 4P VR (Open Motor)1 x Elta - Room Sensor - Temp/Humid/C022 x Helios HQW-630/4 - IP551 x Quietflow SQS100-1ECL - Centrifugal Box Fan1 x TG-K Duct temperature sensor2 x RDH FLEX-SQUARE - ADH/RDH 04501 x UB47- Universal Insulated Terminal1 x Speed Controller - REB12 x Transformer Speed Control - RTRE- 7.0Amp1 x Electronic extractor fan speed controller - FSC 1.52 x Flakt Woods ME 1.6 speed controller 6.0amp - EA9011592 x Transformer (silent) speed controller - RE 3.0 Amp1 x Helios ESA-1 Surface mounted Speed Control 1amp1 x HIMF - Mixed Flow Fan 100mm Inline Fan1 x CFI In-line 425 - Carbon Filter1 x Multiflow SMB550/4-1AC1 x Vent Axia T-Series Controller1 x Elta 6 Amp Electronic single phase speed controller.1 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS1 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x Envirovent G4 Filter - SL-G4/F72 x Silent 100 Window Kit - windowS2 x Speed Controller - REB101 x Helios HQW-315/4 - IP551 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR1 x Transformer Speed Control - RTRE- 1.5Amp1 x DDMP 12-12 3F 1810W M6A4 DG01 x FRQ5-10A Inverter Speed controller1 x PIR Sensor - PIR41 x Helios TSW 1.5 Amp Transformer speed controller
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