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Y-IM, BQ240 Sunline 2000 Single Package Heat Pump

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66394-Y<strong>IM</strong>-D-1004<br />

evaporator coil and must be kept clean or replaced with<br />

same size and type. Dirty filters will reduce the capacity<br />

of the unit and will result in frosted coils or safety shutdown.<br />

Minimum filter area and required sizes are<br />

shown in Physical Data Table 5.<br />

SERVICE ACCESS<br />

The following removable panels provide access to all<br />

serviceable components:<br />

FIGURE 4 - RECOMMENDED DRAIN PIPING<br />

COMPRESSORS<br />

Units are shipped with compressor mountings factoryadjusted<br />

and ready for operation.<br />

• Compressor compartment<br />

• Electric <strong>Heat</strong> compartment<br />

• Side Supply & Return Air compartments<br />

(Two panels)<br />

• Blower compartment (Three panels)<br />

• Main control box<br />

• Filter compartment<br />

• Outdoor Air compartment (Two panels)<br />

Refer to the Unit Dimensions Figure 10 for location of<br />

these access panels.<br />

Do not loosen compressor mounting bolts.<br />

FILTERS<br />

Two-inch or four-inch filters can be supplied with each<br />

unit. Filters must always be installed ahead of the<br />

Make sure that all screws and panel latches<br />

are replaced and properly positioned on the<br />

unit to maintain an airtight seal.<br />

16 Unitary Products Group

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