From inside (document excerpt):
50ZPA Baset 13 SEER Single Packaged Air Conditioner System With R 22 Refrigerant Single and Three Phase 2 to 5 Nominal Tons (Sizes 024 060) Owner’s Information Manual A05194 Fig. 1 – Unit 50ZPA – NOTE TO EQUIPMENT OWNER: For your convenience, please record the model and serial numbers of your new equipment in the spaces provided. This information, along with the installation data and dealer contact information, will be helpful should your system require maintenance or service.
UNIT INFORMATION Model # _ Serial # __ ACCESSORIES (List type and model #) INSTALLATION INFORMATION Date Installed __ DEALERSHIP CONTACT INFORMATION Company Name _ Address __ Phone Number _ Technician Name __ NOTE TO INSTALLER: This manual must be left with the equipment owner. 1 SAFETY CONSIDERATIONS Installation and servicing of this equipment can be hazardous due to mechanical and electrical components. Only trained and qualified personnel should install, repair, or service this equipment. Untrained personnel can perform basic maintenance functions such as cleaning and replacing air filters. All other operations must be performed by trained service personnel. When working on this equipment, observe precautions in the literature, on tags, and on labels attached to or shipped with the unit and other safety precautions that may apply. Follow all safety codes. Installation must be in compliance with local and national building codes. Wear safety glasses, protective clothing, and work gloves. Have fire extinguisher available. Read these instructions thoroughly and follow all warnings or cautions included in literature and attached to the unit. Recognize safety information. This is the safety-alert symbol When you see this symbol on the unit and in instructions or manuals, be alert to the potential for personal injury. Understand these signal words: DANGER, WARNING, and CAUTION. These words are used with the safety-alert symbol. DANGER identifies the most serious hazards which will result in severe personal injury or death. WARNING signifies hazards which could result in personal injury or death. CAUTION is used to identify unsafe practices which may result in minor personal injury or product and property damage. NOTE is used to highlight suggestions which will result in enhanced installation, reliability, or operation. Note: Installer: This manual should be left with the equipment user. ! TO SHUT OFF UNIT: Note: If the unit is being shut down because of a malfunction, call your dealer as soon as possible. 1. Set the temperature switch to OFF. 2. Turn off the electrical power supply to unit. ROUTINE MAINTENANCE All routine maintenance should be handled by skilled, experienced personnel. Your dealer can help you establish a standard procedure. For your safety, keep the unit area clear and free of combustible materials, gasoline, and other flammable liquids and vapors. To assure proper functioning of the unit, flow of condenser air must not be obstructed from reaching the unit. Clearance from the top of the unit is 48 in. (1219 mm). Clearance of at least 36 in. (914 mm) is required on sides except the power entry side (42 in. [1067 mm] clearance) and the duct side (12 in. [305 mm] minimum clearance).