• 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

2 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Remote controller FLEX - for VEKO INT1 x Helios TSW 7.5 Amp Transformer speed controller1 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Push Timer Switch - ZA42 x Vent Axia ACM 100 inline mixed flow duct fan1 x MEV Spider Wireless boost Switch - MEV-SWH-W2 x Vent Axia ACM 150 inline mixed flow duct fan2 x Transformer 5 Speed Controller - ATC1-10TK2 x Electronic extractor fan speed controller - FSC 1.51 x Remote Timer Control - 13511 x CBM 9-9 550w 4P VR (Open Motor)1 x Speed Controller - REB11 x Silent 100 Window Kit - windowS1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan2 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x Transformer 5 Speed Controller - ATC1-4TK2 x DEF-140T Inlet Guard for the CBT-100N2 x Single phase speed controller by auto-transformer - RMB 1.5 Amp2 x Elta 3 Amp Electronic single phase speed controller with TK2 x MWS 1.5 – Transformer Controller With Motor Protection2 x Single phase speed controller by auto-transformer - RMB 3.5 Amp2 x Transformer (silent) speed controller - RE 3.0 Amp1 x CBA-60 Inlet Flange for CBT-601 x Transformer Speed Control - RTRE- 1.5Amp1 x MTS10- extractor fan 3 step switch1 x QPTW 250C Acoustic Twin Fan with Controller1 x Multiflow SMB550/4-1AC1 x UB47- Universal Insulated Terminal1 x Contactor Interface Station - CI92 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x Vent Axia ACM 200 inline mixed flow duct fan2 x Vent Axia ACM 125 inline mixed flow duct fan1 x KMBI 225 Connector rectangular/circular to install on the discharge of CMT1 x Transformer Speed Control - RTRE- 7.0Amp1 x MTP 10, 10K, Speed control1 x PIR Sensor - PIR21 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x Speed Controller - REB81 x CBT-100N Centrifugal1 x DDMP 12-12 3F 1810W M6A4 DG01 x KKS 100 silencer-section - For use with the MUB 100 size Fans.1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR2 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan2 x Transformer (silent) speed controller - RE 1.5 Amp2 x Speed Controller - REB51 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)2 x Helios HQW-200/2 - IP551 x Elta 6 Amp Electronic single phase speed controller.1 x Silentub - STUB 1002 x Isolator Switch - ISOSW1 x Airvent ceiling fan controller1 x ELM 18 EX Flexible Cuff for ERM 182 x Helios TSW 3 Amp Transformer speed controller1 x Helios TSW 1.5 Amp Transformer speed controller2 x CS2 Current Switch1 x Single phase speed controller by auto-transformer - RMB 10.0 Amp1 x Speed Controller - REB102 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x CMT-2 225/090 1.1KW - Single inlet centrifugal fan direct driven2 x Temperature Fan Speed Controller - ATCP4-WMS1 x Helios TSW 0.3Amp Compact Transformer speed controller2 x MWS 3 – Transformer Controller With Motor Protection1 x 7 Day Programmable TIMECLOCK1 x TG-K3/NTC10-01 - Duct temperature sensor1 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS1 x WS - Reversing Switch from Helios Fans1 x Helios HQW-250/4 - IP552 x Skyflow SSR Horizontal Roof Cowl SSR31/35B1 x ENV 100 12v transformer SELV1 x REB-CVF 0-10v Controller1 x Transformer 5 Speed Controller - ATC1-2TK1 x MV-B Dual Switch for use with Helios HQW plate fans,1 x Helios HQW-315/4 - IP55
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