Macurco CM-6 Specifications

1 Macurco™ Carbon Monoxide Detector, Controller and Transducer CM-6 User Instructions Important: Keep these User Instructions fo

10the second selection “PUt” or Power Up Test setting. Push Enter. If the testis “On” push Next to turn it “OFF” (flashing) then push Enter to confir

11Selecting Fan Relay Runtime – “Frr” To select the Fan Minimum Runtime setting, in normal mode, push the Next button to get to “Con” or the Configur

12are to be performed at the appropriate Macurco manufacturing facility. Macurco does not sanction any third-party repair facilities. Do not disassem

13d. The 4-20mA output will then ramp up from 4 to 20 mA over the next 130 seconds of the test, so if the circuit is wired in the normal manner, the

14Gas Testing Testing the Fan Relay 1. Remove the Philips screw on the front of the CM-6. Remove the front cover. 2. Open the FCK. Connect the 50

15d. Detector has Alarm relay set to disable (OFF). Set Alarm relay to 100 ppm and repeat the test. 6. Remove the gas from the sensor after Test.

16FIELD CALIBRATION PROCEDURE Note: For optimum calibration results the unit should be in clean air and be in a low ambient air flow. 1. Remove the

2 TABLE OF CONTENTS GENERAL SAFETY INFORMATION 3 Intended Use 3 List of Warnings and Cautions 3 USE INSTRUCTIONS AND LIMIT

3GENERAL SAFETY INFORMATION Intended Use The Macurco CM-6 is a low voltage, dual relay Carbon Monoxide (CO) detector, controller and transducer. The

4 USE INSTRUCTIONS AND LIMITATIONS Each person using this equipment must read and understand the information in these User Instructions before use.

5 Specifications  Power: 3 W (max) from 12 to 24 VAC or 12 to 32 VDC  Current @ 24 VDC: 75 mA in alarm (two relays), 50 mA (fan relay only) and 2

6 Installation 1. The CM-6 mounts on a 4” square (or 4x4) electrical box supplied by the contractor. Do not mount the CM-6 inside another box, unles

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8 Power Up The CM-6 steps through an internal self-test cycle for the first 1 minute that it is powered. The unit will execute the test cycle any

9Operation 1. With the display function turned “On”, the CM-6 will show the current concentration of CO ppm or “0” (zero) in clean air. When the CO