• Model:ACOAS-ADS-VFC

ACOAS-ADS-VFC - Automatic Duty Share Changeover panel

£ 143.00 (excl. VAT)

£ 171.60 (inc. VAT)

The ACOAS changeover panels are designed to suit single phase twin fan units with airflow switches. Please note that an airflow switch must be fitted to monitor each fan and the airflow switches must not “see” the airflow from the other fan I.E. the 2 airflow switches cannot be in the same airstream.
The control panel fascia has a power lamp, fan fail lamp and a rocker switch. The VFC models have fail contacts that can be used in conjunction with a remote indicator or to interface with a building management system.

Installation:
Check that the auto changeover panel supplied is compatible with the fan motors. Install in a dry sheltered position. Do not install in close proximity to a heat source. Remove the front cover of the controller by unscrewing the fascia fixing screws. This provides access to mounting holes and electrical terminals. All wiring must be carried out by a suitably qualified and competent person and comply with current applicable regulations.

Auto Changeover:
The control panel will automatically changeover from the duty fan to the standby fan if the fuse (within the auto changeover panel) for the duty fan ruptures.
Manual duty share models:
Manual duty share models are fitted with a 2-position (Fan A/Fan B) rocker switch enabling the user to manually select the duty fan. The control panel will auto changeover from the duty fan to the standby fan as described in Auto Changeover above.
Auto duty Share models:
Auto duty share models are fitted with an electronic timer to provide a 12 hour cycle time for each fan.The timer has a jumper link to allow testing of the auto changeover on a 1 minute test cycle for each fan. After testing the jumper link should be fitted back in the 12hr cycle time position. The position of the jumper link for the test cycle and 12 hour cycle are shown below.
Volt free contacts (VFC models)

These models are suffixed with VFC and feature 2 sets of volt free contacts, 1 set for a common fan run status and 1 set for a common fan fail status. The contacts are normally open and close when either fan is running or has failed.
PDF Files


Data Sheet

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Single Phase Transformer 4amps1 x PCA Diffuser - PCA-2501 x Round ceiling diffuser 250mm1 x Elta 6 Amp Electronic single phase speed controller.1 x Round ceiling diffuser 350mm1 x ELTA - Single Phase Transformer 10amps1 x Run On Timer - 5s - 4hrs - RT5A1 x Remote Timer Control - 13511 x Push Timer Switch - ZA41 x Helios ZNE Electronic Fan Overrun Timer1 x Time Delay Unit - DT20B2 x Multi Input Run On Timer - 0 - 20min - CFCU2 x 7 Day Programmable TIMECLOCK1 x REB-CVF 0-10v Controller2 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x ACO8AC/EC AutoChangeover panel1 x TTC-2000 Three phase electric heater controller1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x Elta ACO Panel 149-ACO14E1 x EC-Vent control board1 x EM30-24 Electro-Mechanical Control Panel1 x CONTROL ECOWATT - Basic1 x ACO 149-ACO1/EDV1 x Elta ACO Panel 149-ACO18B1 x EC-Vent Room Unit1 x EM30-24 Control Panel Commissioning Service1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x 204x60mm Insulated Rectangular Vertical 45° Bend1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x Binks Bullows - Spray Booth Filter1 x Egg Crate Grille with Dust panel filter 1 inch- 595x5951 x Single Deflection Grille 400mm with OBD damper1 x Non Vision 150mm x 150mm (Air Transfer) Grille - With Flange - MILL FINISH1 x Mini Diffuser - 100mm1 x 204 x 60mm Duct to Fitting Connector for use with Insulated Thermal Ducting1 x 204x60mm x 1m Insulated Rectangular Duct1 x Egg Crate Grille with Dust panel filter 1 inch- 300x3001 x 220x90mm Insulated Rectangular T-Piece1 x Same Day Shipping Surcharge - City Sprint1 x Northern Ireland Pallet Surcharge1 x DPD 12PM Delivery Surcharge1 x 204 x 60mm Duct to Duct Connector for use with Insulated Thermal Ducting1 x DPD 10:30AM Delivery Surcharge1 x Economy Airvent 150mm Fan With Pullcord & Shutters1 x DV-ROF-V-225 Roof mounted unit1 x Economy Airvent 100mm Fan with Timer1 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x Remote controller FLEX - for VEKO INT1 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Systemair Save Connect 2.0 Internet Module1 x Helios TSW 7.5 Amp Transformer speed controller2 x Vent Axia ACM 150 inline mixed flow duct fan1 x Transformer 5 Speed Controller - ATC1-4TK1 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x Helios TSW 3 Amp Transformer speed controller1 x Three Phase Transformer controllers - RMT 1.5 Amp1 x Three Phase 3 step - 10amp Transformer controller for use with the HV Wall Mounted fans.1 x Vent Axia ACM 100 inline mixed flow duct fan1 x RDS 11 Helios Transformer Controller With Motor Protection1 x Helios TSW MCB Amp Transformer speed controller1 x Helios TSW 1.5 Amp Transformer speed controller1 x TG-K Duct temperature sensor1 x Vent Axia ACM 125 inline mixed flow duct fan1 x BEAS-control module1 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x DEF-140T Inlet Guard for the CBT-100N1 x Envirovent G4 Filter - SL-G4/F71 x Speed Controller - REB31 x Single phase speed controller by auto-transformer - RMB 10.0 Amp1 x Vent Axia T-Series Controller
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