• Model:GasInt-001

Gas Interlock system with Keyswitch

£ 180.54 (excl. VAT)

£ 216.65 (inc. VAT)

The GVI-001 is a gas interlock control system that either pressure switches or current sensors to prove airflow and when that airflow is proved then a electrical supply is made available to the gas valve actuator. Ask for details of other switches/sensors required.

Control panel features
• Airflow off lamp
• Airflow on lamp
• Keyswitch for normal/gas off
• 10 second overrun timer to overcome loss of supply to gas valve actuator in case of backdrafts

The GVI-001 has connections for 2 pressure/current switches. These switches are wired to the panel using the normally open contacts, which close when there is airflow present. The pressure switches are required to have closed contacts (airflow present) for the electrical supply to be available to the gas valve actuator.

When airflow is proved the airflow on lamp will light and the electrical supply to the gas valve actuator will be enabled. When there is a loss of airflow the gas valve actuator will remain enabled for 10 seconds. This is to prevent loss of gas in the event of backdrafts.

Control panel connections
• Electrical supply: 230v 1Ph 50Hz
• Remote emergency stop button
• Pressure switch for supply airflow proving
• Pressure switch for extract airflow proving
• Gas valve actuator: 230v 1Ph 50Hz motor open, spring return

Remote emergency stop button connections
The GVI-001 has connections to allow the fitting of a remote emergency stop button if required. When this is activated the electrical supply to the gas valve actuator will be disabled.

Be advised pressure switches are considered better than current switches for proving airflow.

Download specifications HERE

Available Options

4 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan2 x Elta Variable Speed Drive IP66 - 2.2KW1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x Elta Variable Speed Drive IP66 - 7.5KW1 x Frequency converter FU 075 14 - IP661 x FU 22 25 Frequency Inverter1 x FRQ5-4A V2 Inverter Speed Controller1 x FU 075 52 Frequency Inverter (IP20)1 x FRQ-10A V2 Inverter Speed controller1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x FU 15 16 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 5.5KW1 x FRQ5-10A Inverter Speed controller2 x Elta Variable Speed Drive IP66 - 1.5KW1 x Frequency converter RUCK - FU 075 201 x Elta Variable Speed Drive IP66 - 4.0KW1 x Elta 10 Amp Electronic single phase speed controller.1 x Frequency converter RUCK - FU 075 211 x FU 075 04 Frequency Inverter (IP20)1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x ELTA - Three Phase Transformer 10amps1 x ELTA - Three Phase Transformer 3amps1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x ELTA - Single Phase Transformer 2amps1 x NKS-D swirl diffuser v-300 x 300mm1 x Balance S Diffuser - NO RING - 125mm1 x Circular Ceiling Diffuser - TST 1251 x Electronic extractor fan speed controller - FSC 1.51 x Circular Ceiling Diffuser - TST 1001 x PCA Diffuser - PCA-3151 x Curved Blade Grille 600x600 (2way blow)1 x Round ceiling diffuser 400mm1 x ELTA - Single Phase Transformer 8amps1 x JSR 200 Painted RAL50181 x Circular Ceiling Diffuser - TST 2001 x Airvent ceiling fan controller2 x Elta 3 Amp Electronic single phase speed controller with TK1 x ELTA - Single Phase Transformer 12amps1 x Circular Ceiling Diffuser - TST 1601 x EFSC-3N- Single Phase Speed Control2 x Elta 6 Amp Electronic single phase speed controller with TK1 x ELTA - Single Phase Transformer 16amps2 x AIRVENT speed control - AIR4019612 x COM-31 x Balance S Diffuser - NO RING - 100mm1 x Round ceiling diffuser 200mm1 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x ELTA - Single Phase Transformer 4amps1 x EFSC-6N- Single Phase Speed Control1 x Round ceiling diffuser 300mm2 x Elta 6 Amp Electronic single phase speed controller.1 x PCA Diffuser - PCA-2501 x Round ceiling diffuser 250mm1 x Round ceiling diffuser 350mm1 x ELTA - Single Phase Transformer 10amps1 x Remote Timer Control - 13512 x Push Timer Switch - ZA41 x Multi Input Run On Timer - 0 - 20min - CFCU1 x 7 Day Programmable TIMECLOCK1 x ACOAS/ AC/EC Auto Changeover 8Amp2 x ACO8AC/EC AutoChangeover panel1 x Helios TSW 3 Amp Transformer speed controller1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x ACO 149-ACO1/EDV1 x Elta ACO Panel 149-ACO18B1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x Easy-fix termination kit - High Rise Ventilator - EFT1 x Systemair Save Connect 2.0 Internet Module1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x Elta Wall Cowl SWC56/631 x Elta Louvre Shutter - 400mm1 x GRA-100 External Grill by S&P1 x Elta Wall Cowl SWC25/311 x Elta Wall Cowl SWC35/401 x Elta Wall Cowl SWC45/501 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x Jet Cowl - 315mm1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Egg Crate Grille with Dust panel filter 1 inch- 595x5951 x Single Deflection Grille 400mm with OBD damper1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x Remote controller FLEX - for VEKO INT1 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Transformer 5 Speed Controller - ATC1-4TK1 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Vent Axia ACM 150 inline mixed flow duct fan1 x RTRD - Three Phase Speed Controller - 2 Amp1 x Transformer 5 Speed Controller - ATC1-12TK1 x Helios TSW 1.5 Amp Transformer speed controller1 x Vent Axia ACM 200 inline mixed flow duct fan2 x Transformer speed controller - ATC1 - 1.5 Amps1 x Vent Axia ACM 100 inline mixed flow duct fan1 x Isolator Switch - ISOSW1 x Vent Axia ACM 125 inline mixed flow duct fan1 x TG-K Duct temperature sensor1 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 Envirovent G4 Filter - SL-G4/F71 x Speed Controller - REB51 x Vent Axia T-Series Controller1 x MWS 1.5 – Transformer Controller With Motor Protection1 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x Transformer (silent) speed controller - RE 1.5 Amp1 x Transformer (silent) speed controller - RE 3.0 Amp1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x Multiflow SMB550/4-1AC1 x REB-CVF 0-10v Controller1 x MTP 10, 10K, Speed control1 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)1 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x PIR Sensor - PIR41 x Speed Controller - REB11 x UB47- Universal Insulated Terminal1 x Quietflow SQS400-1ECL - Centrifugal Box Fan1 x Speed Controller - REB2.5-N1 x Mini Diffuser - 100mm1 x MTS10- extractor fan 3 step switch1 x Compact SCD450/4-1AC1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x VTR 300 STD Filter Kit1 x Elta - Room Sensor - Temp/Humid/C021 x QPTW 250C Acoustic Twin Fan with Controller1 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x Silentub - STUB 1001 x CO2 Room Sensor - CO2-R1 x TTC-2000 Three phase electric heater controller1 x Contactor Interface Station - CI91 x Duct Termination with Mesh - 100mm1 x TUNE-R-250-3-M0 - Control Damper (NO ACTUATOR)1 x LFBR 315 G4 - Helios Inline Filter Box - 315mm1 x SAVE VSR 300 heat recovery unit1 x Elta ACO Panel 149-ACO14E1 x CFI In-line 150 - Carbon Filter1 x EC-Vent control board1 x EM30-24 Electro-Mechanical Control Panel1 x Flat Roof Terminal -OFT 5 - Asphalt1 x Duct Termination with Mesh - 150mm1 x CBB-60N Centrifugal1 x 100mm Round Connector with Damper1 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan1 x VTR 500 STD Filter Kit1 x ACO3TO-ADS-VFC-7.1A1 x SDD-U Anti Vibration Pads1 x Biflow SB250-CON4-3 - High Temperature Bifurcated Fan1 x Silentub - STUB 2001 x 125mm Round Connector with Damper1 x Helios ZNE Electronic Fan Overrun Timer1 x Envirovent Silent MV160/100S Mixvent - 100mm - (5 year warranty)1 x Potentiometer EGH 01 - for DDMP Fans1 x Biflow SB315-CON4-3 - High Temperature Bifurcated Fan1 x EM30-24 Control Panel Commissioning Service1 x Elta SLC560/4C-3AC - IP551 x Elta SLC500/4B-1AC - IP551 x Helios VARW 450/4 - TK1 x Elta Turboflow-TF - 450mm - Single phase1 x FAST-TRACK RANGE 75mm - Seal Ring (1 bag of 10)1 x CAD-COMPACT 500 ADVANCED N8 - MVHR unit1 x Biflow SB250-CON2-3 - High Temperature Bifurcated Fan1 x DDMP 10-10 FLANGE1 x Vent Axia W300310 Controller Electronic 1.5A1 x Elta SCP315/4-1AC - IP551 x Envirovent 4 Way Remote Control Switch - SWHBKRF-4
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