• 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

1 x Circular Ceiling Diffuser - TST 1251 x PCA Diffuser - PCA-3151 x Circular Ceiling Diffuser - TST 1001 x JSR 200 Painted RAL50181 x Round ceiling diffuser 400mm1 x Circular Ceiling Diffuser - TST 2001 x Curved Blade Grille 600x600 (2way blow)1 x Circular Ceiling Diffuser - TST 1601 x Round ceiling diffuser 300mm1 x Round ceiling diffuser 200mm1 x Balance S Diffuser - NO RING - 100mm1 x Round ceiling diffuser 250mm1 x PCA Diffuser - PCA-2501 x Round ceiling diffuser 350mm1 x Run On Timer - 5s - 4hrs - RT5A3 x Push Timer Switch - ZA43 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Time Delay Unit - DT20B1 x 7 Day Programmable TIMECLOCK1 x WSD 100 (1060x1060x70)1 x D2E-146-AP47-751 x Helios ZNE Electronic Fan Overrun Timer6 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 Elta 10 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 2amps2 x Vent Axia ACM 150 inline mixed flow duct fan1 x Electronic extractor fan speed controller - FSC 1.51 x EC6H - Reversible Group Fan Electronic Controller1 x Elta 3 Amp Electronic single phase speed controller with TK1 x Elta 2 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 16amps1 x ELTA - Single Phase Transformer 8amps1 x Airvent ceiling fan controller1 x ELTA - Single Phase Transformer 12amps1 x Elta 3 Amp Electronic single phase speed controller.2 x EFSC-3N- Single Phase Speed Control2 x Elta 6 Amp Electronic single phase speed controller with TK1 x ELTA - Single Phase Transformer 4amps1 x AIRVENT speed control - AIR4019613 x COM-31 x PM230-TF, AC 230V Damper Actuator, Spring Return, 2 x SPDT, 72C Thermal Fuse1 x Elta Variable Speed Drive IP66 - 0.75KW (1ph to 3ph)1 x EFSC-6N- Single Phase Speed Control1 x Elta 6 Amp Electronic single phase speed controller.1 x Vent Axia ACM 100 inline mixed flow duct fan1 x ELTA - Single Phase Transformer 10amps1 x Elta Variable Speed Drive IP66 - 1.5KW (1ph to 3ph)1 x Transformer speed controller - ATC1 - 1.5 Amps2 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x TTC-2000 Three phase electric heater controller1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x ACO8AC/EC AutoChangeover panel1 x Elta ACO Panel 149-ACO14E1 x EM30-24 Electro-Mechanical Control Panel1 x EC-Vent control board1 x CONTROL ECOWATT - Basic1 x ACO 149-ACO1/EDV1 x Elta ACO Panel 149-ACO18B3 x Systemair Save Connect 2.0 Internet Module1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x EC-Vent Room Unit1 x KKS 100 silencer-section - For use with the MUB 100 size Fans.1 x REB-CVF 0-10v Controller1 x MTP 10, 10K, Speed control1 x REE-2 Electronic Speed Controller1 x Vent Axia Silent 100T (TIMER)2 x Transformer 5 Speed Controller - ATC1-12TK1 x Remote Timer Control - 13512 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)3 x Three Phase Transformer controllers - RMT 1.5 Amp3 x Isolator Switch - ISOSW2 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x Transformer 5 Speed Controller - ATC1-2TK2 x Transformer 5 Speed Controller - ATC1-4TK6 x Vent Axia ACM 125 inline mixed flow duct fan6 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x Envirovent 4 Way Remote Control Switch - SWHBKRF-42 x Vent Axia ACM 200 inline mixed flow duct fan5 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan2 x Remote controller FLEX - for VEKO INT1 x Transformer 5 Speed Controller - ATC1-8TK3 x Helios TSW 3 Amp Transformer speed controller1 x Transformer 5 Speed Controller - ATC1-10TK2 x Temperature Fan Speed Controller - ATCP4-WMS2 x Helios TSW 7.5 Amp Transformer speed controller2 x Helios TSW 0.3Amp Compact Transformer speed controller2 x Helios TSW MCB Amp Transformer speed controller2 x Helios TSW 1.5 Amp Transformer speed controller1 x MV-B Dual Switch for use with Helios HQW plate fans,2 x CS2 Current Switch3 x MWS 3 – Transformer Controller With Motor Protection2 x TG-K Duct temperature sensor1 x Single phase speed controller by auto-transformer - RMB 8.0 Amp1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT
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