Maintenance

6.0 MAINTENANCE

! WARNING

Potentially lethal voltages exist within this equipment during operation. Observe all cautions and warnings in this manual. Failure to do so could result in serious injury or death. Only qualified service and maintenance personnel should work with this equipment.

6.1Filters

Replaceable evaporator air filter(s) are supplied with the unit. The filter(s) are easily serviceable from the outside, through the top front access panel.

Filters are usually the most neglected item in an environmental control system. To maintain efficient operation, they should be checked monthly and changed as required. Units supplied with Economiz- ers may require replacement filters more frequently because of airborne dust and organic materials.

Filters can be replaced from the front by opening the lower front access panel.

! WARNING

Power must be OFF while replacing the filter.

6.2Blower Package

Periodic checks of the blower package include: blower wheels, housings, motor and motor mounting bracket. With the power off, inspect and remove any debris from the wheels and housings. Also check to see that they are tightly mounted on the motor shaft and rotate freely without rubbing against the housing.

! WARNING

POWER MUST BE OFF WHILE INSPECTING THE BLOWER EQUIPMENT.

6.3Economizer - Optional

Each month, the Economizer should be inspected and any debris removed from the intake hood, damper blade and enthalpy sensor.

6.4Heat

Heaters can be serviced and/or removed from inside through the discharge opening or from outside by removing the top.

! WARNING

Power must be OFF while working on heaters.

6.5Refrigeration System

Each month, the components of the refrigeration system should be inspected for proper function and signs of wear. Since, in most cases, evidence of malfunction is present prior to component failure, peri- odic inspections can be a major factor in the prevention of most system failures.

6.5.1Refrigerant Lines

Check all refrigerant lines and capillaries for vibration isolation, and support as necessary. Visually inspect all refrigerant lines for leaks.

6.5.2Discharge Pressure

Discharge pressure can be increased or decreased by load conditions or condenser efficiency. The high-pressure switch will shut the compressor/contactor at its cut-out setting of 400 PSIG (2758 kPa). See 5.4.2 - High Pressure (Standard).

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Emerson 2 user manual Filters, Blower Package, Heat, Refrigeration System

2 specifications

Emerson 2 is an advanced automation and control technologies platform designed to enhance operational efficiencies across various industries. This next-generation system builds upon its predecessor, incorporating cutting-edge technologies that facilitate seamless integration and data-driven decision-making.

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