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The ITC model provides automatic changeover on fan failure as well as enabling a manual selection of either fan for duty sharing or test purposes. (BMS compatible via volt free contacts). This controller must have a permanent live supply. Any On/Off switching must be via the sensor connections S1 and SG terminals.

The ITC-DS model (Duty sharing). Incorporates a timing mechanism which operates alternate fans on 12 or 24 hour intervals, thus ensuring the extended life of the fan bearings. The controller also provides automatic changeover on fan failure along with the facility for manual selection of either fan. (BMS compatible via volt free contacts). This controller must have a permanent live supply. Any On/Off switching must be via the sensor connections S1 and SG terminals

Wired in conjunction with either an ITC or ITC-DS controller the RVC can be located up to 100m away using low cost ELV wiring. The compact, single gang RVC ELV (Extra Low Voltage) remote visual controller indicates status of Fan 1 and Fan 2 with status/warning lights. Push button allows Fan 1 and Fan 2 with standby (Off) to be selected.

The RSC multi-speed control system offers 2 speed fan versatility eg. Energy Management for night-time setback. Can be used in conjunction with Vent-Axia ITC, ITC-DS controllers using 5 step auto-transformer speed controllers for speed selection. Uses 24V output from ITC controller. Dimensions: 86mm x 178mm x 100mm (Width x Height x Depth)

Performance can be selected using an electronic controller. Surface mounting Provides infinitely variable speed control and features an On/Off/sensor slider with neon indicator. Adjustable minimum speed setting. Electrical connections for use with suitable external sensors are provided. 86 x 156 x 53mm (HxWxD). Hole for wall box: 80 x 150 x 50mm (H x W x D).

3 amp electronic controllers provide infinitely variable speed control from preset minimum to maximum. Features an On/Off switch with neon indicator and speed control knob. Built in 'Hard Start' auto maximum speed for a few seconds. Dimensions 150mm x 90mm x 65mm (Width x Height x Depth) Weight 0.5kg

6 amp electronic controllers provide infinitely variable speed control from preset minimum to maximum. Features an On/Off switch with neon indicator and speed control knob. Built in 'Hard Start' auto maximum speed for a few seconds. Dimensions 150mm x 90mm x 65mm (Width x Height x Depth) Weight 0.5kg

10 amp electronic controller provides infinitely variable speed control from preset minimum to maximum and feature On/Off Override switch for maximum speed. Neon indicator and built-in 'Hard Start' auto-maximum speed for a few seconds. Dimensions 167mm x 220mm x130mm (width x Height x Depth) Weight 1.3 Kg

Used in conjunction with speed controllable fans to provide 5 stepped speed without electronic motor ‘hum’. Several fans can be connected to one transformer provided their combined load does not exceed the controller rating. Rotary switch giving On/Off and five speeds, neon indicator Input Voltage 240V/1PH/50Hz, Max 3 Amps Output voltages at 240V/1PH/50Hz 0, 90, 115, 140, 175, 240 volts. Enclosures are protected to IP54 Dimension, 135mm x 170mm x 117mm (width x height x depth) Weight 4.0 Kg

Used in conjunction with speed controllable fans to provide 5 stepped speed without electronic motor ‘hum’. Several fans can be connected to one transformer provided their combined load does not exceed the controller rating. Rotary switch giving On/Off and five speeds, neon indicator Input Voltage 240V/1PH/50Hz, Max 5 Amps Output voltages at 240V/1PH/50Hz 0, 90, 115, 140, 175, 240 volts. Enclosures are protected to IP54 Dimension, 167mm x 219mm x 108mm (width x height x depth) Weight 5.0 Kg

Used in conjunction with speed controllable fans to provide 5 stepped speed without electronic motor ‘hum’. Several fans can be connected to one transformer provided their combined load does not exceed the controller rating. Rotary switch giving On/Off and five speeds, neon indicator Input Voltage 240V/1PH/50Hz, Max 7.5 Amps Output voltages at 240V/1PH/50Hz 0, 90, 115, 140, 175, 240 volts. Enclosures are protected to IP54 Dimension, 200mm x 253mm x 170mm (width x height x depth) Weight 9.0 Kg

Used in conjunction with speed controllable fans to provide 5 stepped speed without electronic motor ‘hum’. Several fans can be connected to one transformer provided their combined load does not exceed the controller rating. Rotary switch giving On/Off and five speeds, neon indicator Input Voltage 240V/1PH/50Hz, Max 13.6 Amps Output voltages at 240V/1PH/50Hz 0, 90, 115, 140, 175, 240 volts. Enclosures are protected to IP54 Dimension, 320mm x 240mm x 190mm (width x height x depth) Weight 13.0 Kg

Used in conjunction with speed controllable fans to provide 5 stepped speed without electronic motor ‘hum’. Several fans can be connected to one transformer provided their combined load does not exceed the controller rating. Rotary switch giving On/Off and five speeds, neon indicator Input Voltage 400V/3PH/50Hz, Max 1.0 Amps Output voltages at 400V/3PH/50Hz 0, 95, 145, 190, 240, 400 volts. Enclosures are protected to IP54 Dimension, 240mm x 284mm x 131mm (width x height x depth) Weight 4.7 Kg

Used in conjunction with speed controllable fans to provide 5 stepped speed without electronic motor ‘hum’. Several fans can be connected to one transformer provided their combined load does not exceed the controller rating. Rotary switch giving On/Off and five speeds, neon indicator Input Voltage 415V/3PH/50Hz, Max 4.0 Amps Output voltages at 415V/3PH/50Hz 0, 65, 110, 175, 285, 415 volts. Enclosures are protected to IP54 Dimension, 240mm x 320mm x 190mm (width x height x depth) Weight 13.0 Kg

Used in conjunction with speed controllable fans to provide 5 stepped speed without electronic motor ‘hum’. Several fans can be connected to one transformer provided their combined load does not exceed the controller rating. Rotary switch giving On/Off and five speeds, neon indicator Input Voltage 415V/3PH/50Hz, Max 7.0 Amps Output voltages at 415V/3PH/50Hz 0, 65, 110, 175, 285, 415 volts. Enclosures are protected to IP54 Dimension, 300mm x 400mm x 150mm (width x height x depth) Weight 27.2 Kg

Used in conjunction with speed controllable fans to provide 5 stepped speed without electronic motor ‘hum’. Several fans can be connected to one transformer provided their combined load does not exceed the controller rating. Rotary switch giving On/Off and five speeds, neon indicator Input Voltage 415V/3PH/50Hz, Max 11.0 Amps Output voltages at 415V/3PH/50Hz 0, 65, 110, 175, 285, 415 volts. Enclosures are protected to IP54 Dimension, 300mm x 400mm x 150mm (width x height x depth) Weight 34.2 Kg

Automatically switches on fans on either a rise or fall in air temperature. Can be used for Trickle/ Boost operation on either intake or extract systems. Setting range: +6°C to +30°C. Two internal range limit/locking rings are included to allow setting within a limited temperature range or locking at a fixed set-point. IP20 rated. Sealed sensing mechanism. Mounting direct on surface only. Dimensions: 80 x 104 x 36mm (H x W x D).

For applications where regular switching is required at fixed periods or at different times on different days of the week, eg: offices, shops, pubs and restaurants.

The 7-day TimeSwitch gives twelve On or Off positions per day and can be set for 7 days. The cycle will repeat until changed.

• Analogue clock display and integral time switches for ease of setting.
• Manual override.
• Removable clear plastic cover protects TimeSwitch face.
• Volt free changeover contacts.
• Time base: 7 days.
• Shortest switching time: 2 hours.
• Maximum load: 16amp resistive (8amp inductive).
• Ambient operating temperature range -20°C to +85°C.
• Dimensions: 104 x 74 x 52mm (H x W x D).
• Supply voltage 220-240V/1/50Hz

Humidity Control is automatic and can be set to switch between 65 and 90%RH. An integral pullcord provides a manual override function if required. Can be wired for either ON/OFF or Trickle Boost operation. Set Point adjustable. Maximum switching load 1 amp inductive. Pullcord override indicator Ambient operating temperature 0°C to +40°C. Dimensions:87 x 87 x 33mm (H x W x D). Supply voltage 24V DC SELV. Humidity sensors should be sited approx. 100mm below ceiling level and not above cupboards, refer to siting details in fitting and wiring instructions supplied with product.

Operates Vent-Axia ventilating units on either a rise or a fall in humidity to control the damaging effects of condensation.

• Concealed adjustment.
• Setting range 20% to 80% RH.
• Ambient operating temperature 0°C to +50°C.
• Dimensions: 82 x 132 x 40mm (H x W x D).
• Rating 2A (1A inductive).
• Switching range 120-240V.
• Designed for use with controllers with ‘Auto’ mode facility.
• Single pole changeover contacts.

Automatically reacts to the deterioration of air quality, sensing tobacco smoke, smells and toilet odours to regulate mechanically ventilated areas, such as cinemas, pubs, clubs, restaurants, kitchens, toilets and conference rooms. The sensor switches when the air quality declines below an adjustable preset level. This is registered by a self-cleaning ceramic sensing head. The air quality sensor should not be used for the detection of combustible gases. Ambient operating temperature range 0°C to +50°C. MIN - MAX mode or direct Damper control. Dimensions:87 x 157 x 47mm (H xWxD) Surface mounted. 1 - 25 min O/R timer. Supply voltage 24V DC SELV.

A wall or ceiling mounted movement detector for use with any domestic Vent-Axia mains voltage product. Also suitable for use with Vent-Axia T-Series controllers on ‘Auto’ setting and ITC controllers on sensor mode. Visionex PIR can be wired for either On/Off or Trickle/ Boost operation.

• Fits any UK single gang mounting box.
• Adjustable timer overrun (5-25 minutes).
• Range of detection up to 10 metres.
• Designed to meet IP43.
• Ambient operating temperature range 0°C to +50°C.
• Maximum load: 2.5 amps/600W inductive. Not suitable for use with lighting.
• Internal use only.
• No switched live required for internal rooms and WCs.
• Double insulated.
• Volt-free contacts.
• Supply voltage 220-240V/1/50Hz.

20 amp electronic controller provides infinitely variable speed control from preset minimum to preset maximum via lid mounted potentiometer and features; On/Off Override contacts for remote switching Built-in 'Hard Start' auto-maximum speed for a few seconds. 24V (80mA) supply for remote sensors(lid potentiometer to be disconnected) 0-10v Input for remote sensor Motor Thermal protection connections (TP's) IP rating - IP54 Weight 2.3 Kg