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Single Zone Gas Monitor
1.5.1. AC Power Supply
IMPORTANT: The Single Zone monitor uses a universal power supply that is capable of
accepting inputs of 100 to 240 VAC, 50/60 Hz. The monitor's power consumption is
15 Watts. It is highly recommended that the monitor be connected directly to the AC power
source, preferably on its own circuit (with UPS or surge protection).
WARNING: A switch or circuit breaker rated 1.0 A, 250 VAC, with a minimum terminal
spacing of 3.0 mm must be attached to the monitor's AC power leads. This switch must
also be located in close proximity to the monitor, and be in easy reach of the operator. This
switch should also be clearly marked as the monitor's main AC disconnect device.
1.5.2. Protective Grounding
WARNING: Under no circumstances should the SZ unit 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.
1.5.3. Explosive Atmosphere
WARNING: Do not operate this equipment in the presence of flammable liquids, vapors or
aerosols. Operation of any electrical equipment in such an environment constitutes a
safety hazard.
1.5.4. Proper Exhaust Venting
WARNING: It is imperative that the monitor's exhaust port be vented as described in this
manual. Failure to do so may constitute a safety hazard.
1.5.5. Accessing the Interior of the Monitor
WARNING: Extreme care should be exercised when accessing the interior of the monitor.
Only qualified electrical maintenance personnel should perform connections and
adjustments. Always remove AC power before performing work inside the monitor.
1.5.6. Misuse and Modifications to the Monitor
WARNING: The protection provided by the monitor may be impaired if the monitor is used
in a manner not specified by Bacharach, Inc. Modifications to this monitor, not expressly
approved, will void the warranty.
NOTE: Use ONLY the provided knockouts for electrical and communications wiring.
Drilling into the box will void the warranty.
1.5.7. In Case of Malfunction
WARNING: 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.
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P/N: 3015-4256 Rev 13
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