5-2
5 Startup
WARNING
Prior to carrying out any work ensure local
and site procedures are followed. Ensure
that the associated control panel is inhibited
so as to prevent false alarms.
The following procedure should be followed carefully
and only performed by suitably trained personnel.
1. Ensure the detector is wired correctly
according to Sections 4.6 and 4.7.
2. Ensure that the correct sensor cartridge is
fitted. (If the cartridge has not been stored
at room temperature, allow one hour for
equilibration.)
3. Ensure the on/off switch on the mounting
bracket assembly is in the on position.
4. Apply power to the system.
5. After the startup routine the detector will
display normal operating mode as shown
in Section 6.
6. Perform a leak test as shown in Section 8.5
to ensure all connections are secure.
6. If using a multi gas sensor cartridge refer
to Section 7.2.2 to ensure the correct gas
ID code is selected.
7. Allow the detector to stabilize until the
‘WArm’ message is no longer displayed.
The maximum warm up time is listed in
Appendix B. Warm-up times are typically
much faster.
8. If this is a first-time startup, an F49 or F88
fault code may be displayed; there is no
actual fault and the fault message can
be cleared by depressing the ‘X’ cancel
button for 2 seconds.
To properly activate the Midas
®
with a
cartridge for the first time:
• When ‘Change Gas’ scrolls on the
display, hit the ‘3’ on the Midas
®
front
panel.
• When the ‘reboot’ completes then press
and hold the ‘X’ to clear any latched
fault(s).
• If “FIrSt CEll” is displayed, press ‘3’.
The cartridge has now been accepted by the
Midas
®
as the correct type to be used.
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