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General| Brand | York |
|---|---|
| Model | 30 to 50 TR |
| Category | Air Conditioner |
| Language | English |
Discusses hazards during installation and servicing of AC equipment, emphasizing qualified personnel.
Details site requirements and limitations for unit installation, including codes and heat loss calculations.
Information on factory-adjusted compressor mountings and shipping brackets before start-up.
Requirements for field wiring, grounding, electrical connections, and disconnect switches.
Emphasizes correct compressor rotation and cautions against altering internal wiring.
Steps to determine and adjust supply air volume using blower RPM and pulley settings.
Outlines safety precautions and responsibilities for unit operators and installers.
Describes the function and lockout procedure for the high pressure limit switch.
Explains the low pressure switch monitoring and lockout behavior.
Details the freezestat function and its effect on compressor operation and lockout.
Lists the safety controls monitored by the unit control board for cooling systems.
Provides guidance for diagnosing and resolving common cooling system issues.
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