CO Guardian LLC
Document No.
03-452-201
1951 E. AIRPORT DRIVE
Date: 8/20/2006
TUCSON, AZ. 85706
REV F
MODEL 452-201 OWNERS MANUAL
Page 7 of 22
DESCRIPTION
1.0 GENERAL
This section gives a physical and functional description of the CO Guardian CO Detector
indicator as installed in a typical reciprocating engine type aircraft.
2.0 PHYSICAL
DESCRIPTION
Remote mounted CO Detector part numbers are listed in Table 1.
PART
NUMBER
SERVICE
LIFE
Pressure
Relay*
POWER
CONNECTOR
DATA BUSS**
452-201-001 7
Years
No
14 VDC
8 pin & 9 pin
RS-232 Data Buss
452-201-002 7
Years
No
28 VDC
8 pin & 9 pin
RS-232 Data Buss
452-201-003
7 Years
No
14 VDC
8 pin
No Data Buss
452-201-004
7 Years
No
28 VDC
8 pin
No Data Buss
452-201-005 7
Years
No
14 VDC
9 pin
RS-232 Data Buss
452-201-006
7 Years
No
28 VDC
9 pin
RS-232 Data Buss
452-201-007 7
Years
NO
14 VDC
9 pin
RS-232 Data Buss
452-201-008 7
Years
NO
28 VDC
9 pin
RS-232 Data Buss
452-201-009 7
Years
Yes
14 VDC
9 pin
RS-232 Data Buss
452-201-010 7
Years
Yes
28 VDC
9 pin
RS-232 Data Buss
TABLE 1 - Part Numbers
The Detector must be returned to CO Guardian at the end of Service Life for replacement and
calibration of the CO sensor to maintain airworthiness of the unit.
*Pressure relay is designed for information purpose. The relay is activated at 10,000 feet for 5
seconds and remains on after 12,500 feet using the pressure sensor built in the 452 models.
** RS-232 data is transmitted to MFD Displays like the Garmin G1000 and Garmin GNS480
that displays CO Level, Cabin Temperature, Cabin Pressure and has the capability of being
remotely reset able using RS232 input into the detector. See the Manufacturers installation
manual for hookup and data display capabilities.
**RS-232 data is transmitted to MFD Displays like the Garmin G3X, G1000 and Garmin
GNS480 that displays CO Level, Cabin Pressure and has the capability of being remotely reset
able using RS232 input into the detector with certain MFDs. See the Manufacturers installation
manual for hookup and data display capabilities.
