CMS-2 CARBON MONOXIDE MONITOR
Page 7
© 2018 CLEMCO INDUSTRIES CORP.
www.clemcoindustries.com
Manual No. 22925, Rev. I, 04/18
3.0 OPERATION
WARNING
Do not breathe compressed air that this
instrument monitors unless the instrument has
been calibration tested, and if needed
calibrated per Section 4.0. Using a monitor that
has not been calibration tested can permit
undetected CO to enter the respirator air lines.
Breathing toxic gases can cause death.
3.1
Setup for Operation
3.1.1
Position the Run/Calibration toggle switch to the
RUN position.
3.1.2
Open the sample air isolation valve to supply
test air to the monitor.
3.1.3
Plug the instrument into a grounded 120-volt AC
power supply. If the monitor is converted to operate on
12-volt power, connect to a 12-volt DC power source; be
certain the positive and negative leads go to the correct
terminal. There is no on/off switch on the monitor; it will
initiate operation as soon as power is applied.
3.2 Warm-Up
Period
3.2.1
With electrical power applied and 55 psi to 100
psi sample air supplied to the inlet, the monitor will go
through a five minute warm-up period.
3.2.2
During the warm-up period, the audible alarms
are disabled and the external visual alarm is
yellow
. At
the end of the warm-up period, the
yellow
exterior light
turns
green
, indicating that the instrument is functioning
and the sample air does not exceed the contamination
limit.
NOTE: If the instrument has been off for a
prolonged period, it is normal for the alarms to
activate for a short period of time after the warm-up
cycle.
3.2.3
Make sure alarms function per Section 5.5. If the
alarms function as described, proceed to place the
instrument in operating mode, per Section 3.3.
3.2.4
If the instrument goes into an alarm (exterior
light remains
red
with continuous audible alarm) after
the warm-up, reinitiate warm-up by terminating and
restarting power.
3.2.5
Continued alarm condition after several warm-
up periods indicates that the sample air exceeds the
permissible contamination level or the instrument
requires calibration. Refer to Section 4.0.
WARNING
DO NOT use the respirator during the warm-up
period. The alarms are disabled and will not
warn against toxic gases.
3.3 Operating
Mode
3.3.1
Following the warm-up period, with the toggle
correctly positioned to RUN and the sample air flowing
through the unit, the monitor is in full operating mode.
3.3.2
Before donning the respirator, verify that the
monitor is in the operating mode; the exterior alarm light
must be
green
with no audible alarm.
WARNING
Do not use compressed air monitored by this
instrument for breathing without first checking
that the instrument is in full operating mode,
and the that exterior alarm light is illuminated
green
. Failure to heed this warning can cause
death from the inhalation of CO.
3.4 Shutdown
3.4.1
If the instrument is not to be moved and is
protected from the weather, simply shut off the isolation
valve and unplug the power cord. If the unit is to be
transported or if it is not protected from the weather,
proceed as follows:
3.4.2
Watch the flow meter; when air flow stops,
remove the urethane tubing from the supply line and
monitor inlet. The tubing is easily removed by pushing in
the tube fitting ring while pulling the tubing.
3.4.3
Coil the tubing and place it inside the instrument
case to keep the tubing clean.
3.4.4
Place tape or other cover over the inlet fitting to
keep instrumentation clean.
3.4.5
Transport the instrument in the passenger
compartment of the service vehicle, not in the trunk or
truck bed. See Care and Handling in Section 5.1.
