Honeywell CM4 Technical Handbook page 98

CM4 Four-Point Continuous Monitor
5. Press either:
• 1 to reset the timer after servicing the filters (see
• 0 to continue without resetting timer
The display reads:
USES Chemcassette
The display will then show the Chemcassette
calibration.
Enter the CID number found on the label of the replacement
Chemcassette :
®
CID? XXXX-XXXX-XXXX
If there is a problem with the CID number or the Chemcassette
display will show one of the following messages:
Message Cause
UNKNOWN User pressed ESCAPE or ENTER instead of
Chemcassette entering a number
INVALID NUMBER CID mistyped
IMPROPER
Wrong tape for gas family
Chemcassette
Chemcassette
Time since manufacture too long
EXPIRED
CC PAST EXPIRY Time since manufacture twice too long
Chemcassette This CC previously installed and out of bag too
STALE long (See Table 8-2)
This CC previously installed and out of bag
CC VERY STALE
twice too long (See
CC EXP FLT IN This CC will be expired or stale before it is
XX DAY consumed, in XX days.
CM4 Technical Manual
Section
or
type for your CM4
®
HYDRIDES
Recovery
Retype CID number
Retype CID number
Use different
Chemcassette
Use newer
Chemcassette
Use newer
Chemcassette
Use newer
Chemcassette
Use newer
Table 8-2) Chemcassette
Replace
Chemcassette before
®
XX days elapse
9.3)
Hydrides
Mineral Acids
Ammonia
Phosgene
Hydrogen Sulfide
Hydrogen Cyanide
Hydrazine
Aliphatic Amines/Ammonia
Chlorine/Oxidizers
Fluorine/Oxidizers
Sulfur Dioxide
, the
®
XP4-C Hydrides
XP4-C Mineral Acids
Imminent XP4-C Ammonia
Fault
XP4-C Chlorine
Inst Maint
XP4-C Phosgene
XPC Hydrides
Unchanged
XPC Mineral Acids
Unchanged
XPC Ammonia
Y N
XPC Chlorine
®
XPC Phosgene
N Y
®
Y N When the correct CID has been entered, press the ENTER key. The
®
display will read:
N Y
®
Y N
6. Shift the tape load lever to open the optics block. The display
®
reads:
None
Imminent
9-3
Part
Description
Number
874300
874337
874402
874307
874304
847510
874347
874342
874007
1874-9306
874568
1258-9300
1258-9310
1258-9309
1258-9308
1258-9307
1874-9300
1874-9310
1874-9309
1874-9308
1874-9307
Table 9-1: Chemcassette
OPEN GATE/REPLACE CC
CHANGE CC/CLOSE GATE
Lifetime
In Bag Out of Bag
(days) (days)
183 35
183 35
183 16
183 35
183 35
183 16
183 35
183 35
183 16
183 35
183 35
365 130
365 130
365 130
365 130
365 130
365 100
365 100
365 100
365 100
365 100
®
Lifetimes