25HPA6Performancet Series 2---Stage Heat Pumpwith Puronr Refrigerant2 to 5 Nominal TonsInstallation InstructionNOTE: Read the entire instruction manual before starting theinstallation.SAFETY CONSIDERATIONSImproper installation, adjustment, alteration, service, maintenance,or use can cause explosion, fire, electrical shock, or otherconditions which may cause death, personal injury, or propertydamage. Consult a qualified installer, service agency, or yourdistributor or branch for information or assistance. The qualifiedinstaller or agency must use factory--authorized kits or accessorieswhen modifying this product. Refer to the individual instructionspackaged with the kits or accessories when installing.Follow all safety codes. Wear safety glasses, protective clothing,and work gloves. Use quenching cloth for brazing operations.Have fire extinguisher available. Read these instructionsthoroughly and follow all warnings or cautions included inliterature and attached to the unit. Consult local building codes andcurrent editions of the National Electrical Code ( NEC ) NFPA 70.In Canada, refer to current editions of the Canadian electrical codeCSA 22.1.Recognize safety information. This is the safety--alert symbol !! .When you see this symbol on the unit and in instructions ormanuals, be alert to the potential for personal injury.Understand these signal words; DANGER, WARNING, andCAUTION. These words are used with the safety--alert symbol.DANGER identifies the most serious hazards which will result insevere personal injury or death. WARNING signifies hazardswhich could result in personal injury or death. CAUTION is usedto identify unsafe practices which may result in minor personalinjury or product and property damage. NOTE is used to highlightsuggestions which will result in enhanced installation, reliability, oroperation.Indoor Thermostat Control OptionsModel InfinityControlStandard2---stageThermostat25HPA6 Yes Yes! WARNINGELECTRICAL SHOCK HAZARDFailure to follow this warning could result in personalinjury or death.Before installing, modifying, or servicing system, mainelectrical disconnect switch must be in the OFF positionand install a lockout tag. There may be more than 1disconnect switch. Lock out and tag switch with asuitable warning label.! WARNINGUNIT OPERATION AND SAFETY HAZARDFailure to follow this warning could result in personal injuryor equipment damage.PuronR refrigerant systems operate at higher pressures thanstandard R--22 systems. Do not use R--22 service equipmentor components on PuronR refrigerant equipment.