PureAire Monitoring Systems, Inc.
13
3.5 Initial Startup
Once installation of the gas detector has been completed, it is ready for startup. The following
procedures should be performed before placing the instrument into operation:
1.
Check the integrity of all wiring.
2.
Apply 24 VDC power.
3.
After power up, reset the zero. Refer to Section 6.2.4
The instrument should now be powered up. Upon power up, the Universal Gas Detector LCD displays
the PureAire logo and then starts a 30 second count down. During the entire warm-up period the
monitor will momentarily activate the internal relays and horn. If you have external horns and alarms
connected to the detectors internal relays, they will also activate. It will also output a 2 mA signal and
illuminate the fault LED. The LED will turn off at the end of the warm-up.
NOTE:
After power up it is necessary to reset the zero. Refer to Section 6.2.4
NOTE: At initial power up, the internal relays and horn will activate momentarily. If you have
external horns and alarms connected to the detectors internal relays, they will also activate.
Gas Name
30 WARM
Universal
transmitter
Cell Holder
connector
Sensor Cell
Sensor Cell
Protector
1) Insert the sensor cell into
the cell holder on the
Universal transmitter.
Carefully rotate the
sensor to align the male
pins on the sensor cell to
the female pins on the
sensor cell holder.
NOTE:
Align the locating notch
on the sensor cell with the notch
on the connector inside the Cell
holder
2) Push up on the sensor to
make the connection
inside the Cell holder
3) Attach the Sensor Cell
Protector to the
transmitter by twisting it
clockwise onto the Cell
holder
