Specifications

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GAS DETECTOR
TWIST
> Description
TWIST is a wall mounted gas detector by means of catalytic sensor. The TWIST gives an acoustic and visual warning of any gas leaks.
TWIST also has an internal relay which can be connected to a normally open "NO" or normally closed "NC" shut off valve relay in order
to cut off the flow of gas once a leak has been detected.
> Functioning
- Auto check with fault indication.
- The unit activetes when it detect a gas concentration of 10% of the L.E.L. (Lower Explosive Limit).
- After powering up the gas detector, there is a 1 minute delay before the system is active.
- After detecting gas for a 20 seconds period, the acoustic alarm and shut OFF valve relay are activeted.
> TWIST
Product code Model
OB514410 TWIST METHANE-TOWN GAS
OB514510 TWIST GLP (Propane, butane)
OB514610 TWIST CO (Check availability)
> KIT TWIST + ELECTROVALVE
Product code Model
OB515212 KIT GAS METANE-TOWN GAS 1/2”
OB515312 KIT GAS GLP (Propane, butane) 1/2”
OB515234 KIT GAS METANE-TOWN GAS 3/4”
OB515334 KIT GAS GLP (Propane, butane) 3/4”
> Kit Twist + Shut Off Valve Relay
- Gas detector TWIST.
- Shut OFF valve normally open suitable for 1/2” or 3/4” pipe. (Consult for other contact configuration or different pipe).
Power supply
Capacity of contacts
Absorption
Operating
temperature
Relative humidity
Acoustic signal
Type of protection
Installation
230 Va.c. 50 Hz
Changeover 2, 5 A / 230 V
20 mA max
-5ºC to +40ºC
-30% -90%
85 dB (A) at 1m.
IP 42
Wall or box mounting
> Features > Dimensions
143
42
86
> Connection diagram
9
1 7
8
2
N
L
Weight: 250 gr.