Johnson Controls GS3000 Installation Manual

Introduction
The GS3000 Modbus Carbon Monoxide (CO) Transmitter
uses an electrochemical sensor to monitor CO levels in a
range of 0 ppm to 500 ppm and communicates through an
RS-485 network configured for Modbus protocol.
Figure 1: GS3000 Modbus CO Transmitter
Important: Read these instructions carefully before
you install and commission the CO transmitter.
Failure to follow these instructions may result
in product damage. Do not use in an explosive
or hazardous environment, with combustible or
flammable gases, as a safety or emergency stop
device, or in any other application where failure
of the product could result in personal injury.
Take electrostatic discharge precautions during
installation and do not exceed the device ratings.
Dimensions
Figure 2: Dimensions of the GS3000 Modbus CO
Transmitter
GS3000 Indoor Modbus Carbon Monoxide
Transmitter Installation Guide
Mounting
About this task:
• Mount the transmitter on a flat surface three to five feet
from the floor of the controlled area.
• Do not mount the sensor near doors, opening windows,
supply air diffusers, or other known air disturbances.
• Avoid areas with vibrations or rapid temperature
changes.
To install the transmitter, complete the following steps:
1.
2.
3.
Figure 3: Integrated mounting tabs
Figure 4: Removing the cover
Part No. 24-11484-00021 Rev. —
The transmitter has two integrated mounting tabs
on either side of the enclosure. Use a No. 10 screw
(not supplied) to mount the transmitter. See Figure
3.
To remove the cover from the enclosure, loosen the
4 Phillips screws in each corner of the enclosure.
See Figure 4.
Complete the wiring instructions outlined in the
Wiring section.
*241148400021-*
2020-10-01
(barcode for factory use only)
GS3000, GS3001