Installation And Operating Instructions; Location; Installation - Macurco Modbus RS-485 User Instructions

INSTALLATION AND OPERATING INSTRUCTIONS

The following instructions are intended to serve as a guideline for the use of the Macurco Modbus RS-485 Adapter MRS-485. It is
not to be considered all-inclusive, nor is it intended to replace the policy and procedures for each facility. If you have any doubts
about the applicability of the equipment to your situation, call Technical Service at 1-877-367-7891.

Location

Refer to the user instructions of the specific Macurco 6-Series gas detector to which the MRS-485 will be connected.

Installation

Gas Detection
The Macurco MRS-485 Adapter converts the Macurco 6-Series 4-20mA analog output to a digital output for use with addressable
network systems The Macurco 6-Series is a family of fully programmable, low voltage, dual relay gas detectors, controllers and
transducers for BAS, HVAC and Fire & Security applications. The 6-Series detectors are used to measure the concentration of
various gas and provide feedback and automatic control to help ensure a safe environment: Carbon Monoxide, Methane, Propane,
Hydrogen, Nitrogen Dioxide and other gases.
1. Remove the 4-20mA/Power plug from the Macurco 6-Serires gas detector
2. Plug the MRS-485 adapter into the empty socket.
3. Install the provided MRS-485 screw.
4. See the wiring diagram for wire connection.
1. The 6-Series detector mounts on a 4"x 4" electrical box supplied by the contractor.
2. Connect the detector to the control cables with terminal plugs. When making connections, make sure the power is off.
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