• 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

1 x Helios HQW-630/4 - IP551 x CBS-60 Outlet Flange for CSB/CBT-603 x Airvent ceiling fan controller1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5002 x Helios HQW-200/4 - IP558 x Transformer (silent) speed controller - RE 3.0 Amp1 x TG-K3/NTC10-01 - Duct temperature sensor1 x Easy-fix termination kit - High Rise Ventilator - EFT1 x Vent Axia T-Series Controller1 x WS - Reversing Switch from Helios Fans2 x Multiflow SMB550/4-1AC2 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x Transformer (silent) speed controller - RE 1.5 Amp2 x REE-1 Electronic Speed Controller2 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS3 x Electronic extractor fan speed controller - FSC 1.53 x Elta Variable Speed Drive IP66 - 0.75KW3 x TG-R room temperature sensor1 x KKS 100 silencer-section - For use with the MUB 100 size Fans.2 x Remote Timer Control - 13512 x SG-200 Fan Guard for the HQW 2002 x Quietflow SQS400-1ECL - Centrifugal Box Fan2 x Speed Controller - REB53 x Transformer Speed Control - RTRE- 12.0Amp3 x Elta Variable Speed Drive IP66 - 2.2KW7 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)2 x Isolator Switch - EFF-ISO1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3554 x REB-CVF 0-10v Controller5 x MTP 10, 10K, Speed control2 x Helios PU10 Speed Potentiometer (Flush Mounted)5 x Vent Axia Silent 100T (TIMER)2 x TUNE-R-200-3-M1 - Control Damper2 x Silent 100 Window Kit - windowS3 x Speed Controller - REB101 x Elta Wall Cowl SWC56/632 x TD Mixvent 800/200 EEXEIIT32 x Vent Axia ACM 200 inline mixed flow duct fan1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven2 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x Speed Controller - REB34 x Helios HQW-315/4 - IP551 x GRA-100 External Grill by S&P1 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x Single phase speed controller by auto-transformer - RMB 10.0 Amp3 x Helios HQW-250/4 - IP552 x EBM-Papst D4E225-BC01-17 Double inlet1 x Elta Louvre Shutter - 400mm2 x Transformer (silent) speed controller - RE 5.0 Amp5 x PIR Sensor - PIR22 x ENV 100 12v transformer SELV2 x Two Speed Switch - REGUL-25 x QPTW 250C Acoustic Twin Fan with Controller1 x UB47- Universal Insulated Terminal1 x Elta Wall Cowl SWC25/312 x Transformer Speed Control - RTRE- 7.0Amp1 x Elta Wall Cowl SWC35/401 x ELM 18 EX Flexible Cuff for ERM 181 x TUNE-R-200-3-M4 - Control Damper1 x RDH FLEX-SQUARE - ADH/RDH 04503 x Transformer 5 Speed Controller - ATC1-2TK1 x Transformer 5 Speed Controller - ATC1-4TK2 x RDS 11 Helios Transformer Controller With Motor Protection2 x Elta 6 Amp Electronic single phase speed controller.1 x Elta Wall Cowl SWC45/502 x PIR Sensor - PIR42 x Speed Controller - REB1-N1 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE2 x CBA-60 Inlet Flange for CBT-601 x Transformer Speed Control - RTRE- 1.5Amp2 x Transformer speed controller - ATC1 - 1.5 Amps1 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan3 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost2 x Elta 10 Amp Electronic single phase speed controller.2 x DDMP 10-08 3F 2210W M6A4 DG02 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan1 x CBT-100N Centrifugal1 x Compact SCD450/4-1AC1 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR1 x CBA-100 Inlet Flange for CBT-1002 x TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan4 x Helios RR-250-C Centrifugal inline fan1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x RDS 7 Helios Transformer Controller With Motor Protection1 x Skyflow SSR Horizontal Roof Cowl SSR31/35B1 x MTS10- extractor fan 3 step switch1 x HIMF - Mixed Flow Fan 100mm Inline Fan1 x Helios TSW 1.5 Amp Transformer speed controller1 x FRQ5-10A Inverter Speed controller1 x Vent Axia ACM 125 inline mixed flow duct fan1 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)
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