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Liebert Mini-Mate2, 8 Ton - Emerson Network Power

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6.0 SYSTEM OPERATION, TESTING, AND MAINTENANCE<br />

50<br />

System Operation, Testing, and Maintenance<br />

This section describes system testing, maintenance and replacement procedures. Use copies of the<br />

Maintenance Inspection Checklist to record preventive maintenance inspections.<br />

! WARNING<br />

Unit contains hazardous electrical voltage. Disconnect power supply before working within.<br />

Line side of factory disconnect remains energized when disconnect is off.<br />

6.1 System Testing<br />

6.1.1 Environmental Control Functions<br />

The performance of all control circuits can be tested by changing the setpoints, which activates each<br />

of the main functions.<br />

6.1.2 Cooling<br />

To test the cooling function, set the setpoint to a temperature of 10°F (5°C) below room temperature.<br />

A call for cooling should register and prompt the equipment to begin cooling cycle. (Disregard any<br />

temperature alarms). Upon completion of testing, return setpoint to the desired temperature.<br />

6.1.3 Heating<br />

Reheat may be tested by setting the setpoint 10°F (5°C) above room temperature. A call for heating<br />

should register and prompt the equipment to begin heating cycle. (Disregard any temperature<br />

alarms). Upon completion of testing, return setpoint to the desired temperature.<br />

6.1.4 Humidification<br />

To check humidification, set the humidity setpoint at RH 10% above the room humidity reading. After<br />

a short delay, the canister will fill with water and steam will be produced. Upon completion of testing,<br />

return the humidity setpoint to the desired humidity.<br />

6.1.5 Dehumidification<br />

The dehumidification performance can be tested by setting the humidity setpoint at RH 10% below<br />

room relative humidity. The compressor should turn on. Upon completion of testing, return humidity<br />

setpoint to the desired humidity.<br />

6.1.6 Remote Shutdown<br />

A connection point is provided for remote shutdown devices supplied by the customer. This terminal<br />

strip is located in the electric panel. (Terminals 37 and 38 are fitted with a jumper when no remote<br />

shutdown device is installed).

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