Specifications

MZ-RD – Multi-Zone Remote Display
2 Instruction 3015-5157
WARNING: This instrument has not been designed to be intrinsically safe for use in areas
classified as hazardous locations. For your safety, DO NOT
use it in hazardous (classified)
locations.
WARNING: Under no circumstances should the MZ-RD be operated without connection
to a protective ground. Doing so poses a potential shock hazard and is also a violation of
electrical safety standards applicable to this type of equipment.
WARNING: Do not operate this equipment in the presence of flammable liquids, vapors
or aerosols. Operation of any electrical instrument in such an environment constitutes a
safety hazard.
WARNING: Extreme care should be exercised when accessing the interior of the remote
display. Only qualified electrical maintenance personnel should perform connections and
adjustments. Always remove AC power before working inside the remote display’s
enclosure.
IMPORTANT: The protection provided by the remote display may be impaired if the
remote display is used in a manner not specified by Bacharach, Inc. Modifications to this
remote display, not expressly approved, will void the warranty.
IMPORTANT: In case of malfunction, do not continue to use this equipment if there are
any symptoms of malfunction or failure. In the case of such occurrence, de-energize the
power supply and contact a qualified repair technician or the nearest Bacharach Service
Center. Use ONLY the provided knockouts for electrical and communication wiring.
Drilling into the box will void the warranty.
WARNING: To clean the outside of the case use a DRY CLOTH. DO NOT use soap and
water.
IMPORTANT: This device is designed for operation at or below an altitude of 6,562 ft
(2,000 m). Do not operate this device above this altitude limit.
1.4. Communications Options
The MZ-RD features full two-way communications via an RS-485 interface. MODBUS RTU is the
communication protocol standard. The instrument (P/N 3015-5138) can be connected to a Building
Management System or it may be operated as a stand-alone system with Bacharach’s gas monitors.
Please refer to the Appendix for a more complete discussion of communication protocols.