Building Automation Controls Catalog 2006 - Trane

SPECIALTY SENSORS
250
SPECIALTY SENSORS
CARBON DIOXIDE SENSORS
MODEL 4GS
DIMENSIONS WIRING
in
(cm)
1.12
(0.62)
5.12
(13.01)
MOUNTING
5.12
(13.01)
3.84
(9.75)
2.5
(6.35)
3.84
(9.75)
4GS Sensor
0.62
(1.58)
1.75
(4.44)
3.0
(7.62)
1.1
(2.79)
8
(20.32)
Duct Aspiration Box (optional)
1.25
(3.17)
(I) (V)
Current Voltage
Output Select
Jumper
V M
I R
24 VAC/DC IN
24 VAC/DC COMMON
RELAY
RELAY
CO2 OUT
CO2 COMMON
- +
Analog
Output
(R) (M)
Run
or
Menu
Mode Select
Jumper
Enter
Select
Note: CO 2 Common and 24 VAC/DC Common
are connected internally.
Display Models Only
18-30 VAC or
18-40 VDC (no polarity)
Control Relay (optional)
Contacts make on rise in CO 2
The 4GS should be mounted in an area that is representative of the conditioned space to be monitored. Avoid drafty
windows and doorways that might tend to dilute the atmosphere being controlled. Mounting height of 4-1/2' to 5' (1.2
to 1.5m) is recommended but is not critical since carbon dioxide diffuses rapidly in air.
The 4GS comes factory-configured for 4-20 mA analog output. If voltage output is required, moving the jumper on the
back of the unit from I to V will change the output to 0-10 VDC. The voltage output may, in turn, be changed to 0-5
VDC, the sensing range adjusted, and the (optional) relay setpoint changed by use of the programming keys on the
back of the 4GS and its optional LCD display. Units with no display will require the CAL-B-KEY calibration keypad for
adjustment. Refer to the programming manual supplied with the 4GS for configuration and calibration instructions.
ORDERING INFORMATION
MODEL DESCRIPTION
4GS-22C-06 Sensor with analog output only
4GS-22CD-06 Sensor with analog output and display
4GS-22CR-06 Sensor with analog output and relay
4GS-22CDR-06 Sensor with analog output, display, and relay
ACCESSORIES
4GS-DM-KIT Duct-mount kit for 4GS sensor (order sensor separately)
4GS-PT-KIT Impact sampling tube kit for 4GS sensor (order sensor
separately)
CAL-B-KEY Calibration keypad with cable and connector for 4GS sensor
RELATED PRODUCTS
UCK-1 Universal calibration kit
GAS-CO2-800 Calibration gas (800 ppm) 17L bottle