Power On/Off - Honeywell CM4 Technical Handbook

CM4 Four-Point Continuous Monitor
3.12 Loading Chemcassette
For Chemcassette loading procedure, see
®
9.2.4.
WARNING
Be sure to install the correct Chemcassette
part number information.) Make sure the label on the Chemcassette
and the label on the analyzer correspond. Incorrect Chemcassette
replacement defeats the CM4's ability to warn of dangerous gas
concentrations.
NOTE:
Only one Chemcassette

3.13 Power On/Off

Use the rocker switch on the right rear of the unit, above the power
cord, to turn on power to the Model CM4. For Rack Mount units, use
the power panel at the top of the rack. The number of each switch
correlates to the position of the CM4 unit in the rack.
The display shows:
Upon power-up, the CM4 conducts a self-diagnostic procedure to
check:
• Memory
• Hardware
• Voltages
The display shows:
CM4 Technical Manual
Tape
®
Section 9.2.3
. (See Appendix A
®
type should be used with each carrier.
®
CM4
SELF TEST
CM4 V305
After this display, the Chemcassette
on. The display shows:
and
for
NOTE:
®
The CM4 automatically attempts to enter the Monitoring Mode
®
whenever it is switched on.
3.14 Installation Notice
Press PROGRAM to exit the Monitor Mode.
You must perform the following Quick-start procedure at installation
before operating the instrument. With the Chemcassette
installed:
1. Access Service Mode 4.8 in the SERVICE (4.SERVICE) menu.
The display will show:
2. Press 1 to switch the pump on. A new pressure counts value
will appear in the display. This is your "normal reading. "
3. Select 2 to set the High and Low Limits.
4. Set the High Limit value to the "normal reading" plus 52 ±
12.
5. Set the Low Limit value to the "normal reading" minus 52 ±
12.
6. When the values are set, press ENTER to store the values.
Refer to Section 8.9 for more details on this procedure.
3-14
advances and the pump turns
®
STABILIZING
then
CURRENTLY MONITORING
PRESSURE CTS = 832
1 = PUMP 2 = LIMITS
and tubing
®