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INTRODUCTION

The Carbon Monoxide Transmitter uses an 

electrochemical sensor to monitor the CO 

level and outputs a proportional 0-10 Vdc 

signal. The device may also be configured with 

an alarm relay.

BEFORE INSTALLATION

Read these instructions carefully before installing and commissioning 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.

MOUNTING

The transmitter should be mounted on a flat surface three to five feet from the floor of the area to be 

controlled. 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.

The transmitter has two integrated mounting tabs on either side of the enclosure that facilitate a #10 size 

screw (not supplied). See Figure 1. 

Remove the cover from the enclosure by loosening 

4 Phillips screws in each corner of the enclosure as 

seen in Figure 2. 

Complete wiring instructions on page 2. Re-install 

the cover and tighten the screws with a Phillips 

screwdriver. See Figure 3.

Figure 1

Figure 3

Figure 2

IN-GE-CMD5B1000XXX-002

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Carbon Monoxide Transmitter

CMD5B1000 Series - Installation Instructions

Содержание CMD5B1000 Series

Страница 1: ...gs MOUNTING The transmitter should be mounted on a flat surface three to five feet from the floor of the area to be controlled 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 The transmitter has two integrated mounting tabs on either side of the enclosure that facilitate a 10 size screw...

Страница 2: ... used to directly control alarms ventilation fans or may be connected to digital inputs of the B A S for status monitoring OPERATION In normal operation the sensor will measure the CO level in the surrounding air and output a proportional value on the 0 10 Vdc output The CO measurement range is 0 300 ppm An optional relay can be used to indicate an alarm condition The trip point for the relay can ...

Страница 3: ... at least 1 2 hour prior to calibration Calibrate the sensor first in clean air with no CO gas present Simply adjust the ZERO pot on the sensor board until a 0 Vdc output is obtained For this case adjust the output slightly above 0Vdc and then slowly reduce the output signal to 0Vdc The output signal may be monitored with a voltmeter connected to the OUTPUT and COMMON terminals Then attach the gas...

Страница 4: ...Vdc 20 or 24 Vac 10 non isolated half wave rectified Consumption Relay model 40 mA max Non relay Model 20 mA max Output Signal 0 10 Vdc Output Drive Capability 10K Ω min Optional Relay Contacts Form C contacts N O and N C 5 Amps 250 Vac 5 Amps 30 Vdc Relay Trip Point 25 60 or 150 ppm jumper selectable Relay Hysteresis 3 or 9 ppm Wiring Connections Screw terminal block 14 to 22 AWG Enclosure Polyca...

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