Veris G Series Installation Manual
Installation Guide
Air Quality
Z202025-0R
Page 1 of 3
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Other companies’ trademarks are hereby acknowledged to belong to their respective owners.
TM
NOTICE
• This product is not intended for life or safety applications.
• Do not install this product in hazardous or classified locations.
• Read and understand the instructions before installing
this product.
• Turn off all power supplying equipment before working on it.
• The installer is responsible for conformance to all applicable codes.
No responsibility is assumed by Veris Industries for any consequences arising out of the
use of this material.
Product Identification
Product Overview
The G Series carbon monoxide detectors measure CO levels and signal control systems to provide an inlet of fresh
air optimal for the space at a given time. G Series devices are equipped with a relay contact that closes when
the CO level is below 25 ppm and opens when the CO level is above 25 ppm (when used with a normally closed
contactor). Removal of the sensor, interruption of power, or cut wires cause the relay circuit to open and start the
fan. Minimum relay cycle time is 3 minutes to prevent fan short-cycling.
Audible Alarm: An 85 dB alarm sounds if the CO level rises above 100 ppm for 30 minutes.
G Series
Carbon Monoxide Transmitter
and Fan Controller
G
D = Duct mount
W = Wall mount
Enclosure
Auxiliary Alarm Output
Output
A = Auxiliary Contact
X = None
= Standard
V = Field-selectable,
0-5/0-10VDC
M =4-20mA
R = Relay only
S
US or EU
Specifications
Input Power 15-30VDC/24VAC, 0.3A@24VAC
Sensor Type Digitally profiled metal oxide semiconductor (MOS)
Sensor Life 5-10 years typical, replaceable
Detection Range 0 to 200 ppm
Analog Output 3-wire sourcing, 4-20mA or user selectable 0-5V/0-10V (specify mA
or V)
Output Scaling User-selectable 100 ppm F.S. or 200 ppm F.S.
Response Time 2 min 30 sec sample interval cycle
Relay Output N.O. Form A (SPST) 8A@30VAC/VDC; (Use with N.C. contactor)
Relay Setpoint 25 ppm
High Limit Setpoint 100 ppm for 30 minutes
High Limit Alarm Audible, 85 dB, resets below 100 ppm (solid-state contact for -AS
version)
High Limit Contact (-AS Models) 250VAC/DC, 120mA max. Ron 35 Ω
LED Indicators Solid Green = Normal; Solid Red = Call for ventilation;
Flashing Green = Sensor life has expired; Flashing Red = High-limit
alarm
Operating Temperature Range -20° to 50°C (-4° to 122°F)
Operating Humidity Range 0 to 90% RH non-condensing
Coverage 5000-7500 sq ft typical (465-697 sq m)
Housing White powder coat over steel