Table of Contents
Advertisement
Quick Links
Gasflag
Single Channel Control Panel
Alarm Only Apparatus
Installation, operating and
maintenance instructions, M07225
Issue 2 1/07/05
Crowcon Detection Instruments Ltd
2 Blacklands Way
Abingdon Business Park
Abingdon OXON
OX14 1DY
Advertisement
Table of Contents
Related Manuals for Crowcon Gasflag
Summary of Contents for Crowcon Gasflag
- Page 1 Gasflag Single Channel Control Panel Alarm Only Apparatus Installation, operating and maintenance instructions, M07225 Issue 2 1/07/05 Crowcon Detection Instruments Ltd 2 Blacklands Way Abingdon Business Park Abingdon OXON OX14 1DY...
- Page 2 All connections and earth settings are clearly labeled on the PCB. The Gasflag is supplied with a 50/60 Hz ac power supply unit of 230 V input (E01777) and 110 V input (E01782). The power supplies have red and black terminals for connecting to the Gasflag and provide 13 to 28 V dc supply.
- Page 3 The power supply provided with the Gasflag control unit is not fitted with an AC plug. As Gasflag is a safety device, the power supply must be permanently wired to a dedicated AC spur fed from a circuit breaker, marked as the disconnecting device for the Gasflag.
- Page 4 A FALLING alarm is typically used to monitor oxygen levels as a fall in the oxygen level is most critical. LINKS 15 and 17 set the Gasflag configuration for ALARM 1 and 2. The links should be set to A for FALLING or B for RISING.
- Page 5 LINKS 16 and 18 set the Gasflag configuration for ALARM 1 and 2, the links should be set to A for NON-LATCHING or B for LATCHING.
- Page 6 Figure 3.1 Electrical connections for powering an external alarm device 3.4 Setting earthing requirements The Gasflag control panel provides flexible earthing arrangements. The LINKS 1 and 2 on the RELAY PCB allows earthing configuration for 0 V and SCREEN. The links are summarised in the table below.
- Page 7 23.5 mA. 4.1 Fault condition If the Gasflag senses a fault from a short or open circuit condition the Fault Relay will change state, the Fault LED will illuminate and the BUZZER will sound a 1 Hz bleep. The fault alarm is non-latching and will return to normal if the fault condition clears.
- Page 8 The Gasflag is supplied with a power supply unit capable of powering up to two Gasflag units. If more then two units are to be daisy chained together then a higher rated power supply is needed. In the "Figure 5.1"...
Need help?
Do you have a question about the Gasflag and is the answer not in the manual?
Questions and answers