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PACKAGED TERMINAL A/C SERVICE MANUAL Heat Controller
25
Preventative maintenance is essential to proper unit operation, efciency and longevity.
To ensure equipment operates properly, it must be properlymaintained. Equipment operation should be checked and veried
several times during each year. During regular unit inspection and maintenance, follow the guidelines below:
• Clean both sides of outdoor coil. (Never use high pressure spray on coils.)
• Clean basepan and outdoor vent lter.
• Clean outdoor orice and fan.
• Clean indoor coil. (Never use high pressure spray on coils.)
• Clean indoor fan, wire screen and front panel.
• Clean or install new indoor-air inlet lter(s).
• Clean wall sleeve and outdoor grille.
• Inspect cord and receptacle.
• Secure electrical connections.
• Ensure front panel is properly mounted and not damaged.
• Ensure wall sleeve is installed properly.
• Ensure heat and cool cycles operate properly.
PREVENTATIVE MAINTENANCE