Carrier Performance 25HPA6 Installation Instructions Manual

Also see for 25HPA6: Wiring diagram

Contents

3Operating AmbientThe minimum outdoor operating ambient in cooling mode is 55_F(12.78_C) without low ambient cooling enabled, and themaximum outdoor operating ambient in cooling mode is 125_F(51.67_C). At line voltage of 208v (or below) and an outdoorambient of 120_F (48.9_C) (and above), the compressor operatesin low stage. On Infinity communicating systems ONLY, lowambient cooling operation is possible at ambient as low as 0_F(--17.78_C).The maximum outdoor operating ambient in heating mode is66°F/18.89_C on all models.Elevate UnitCAUTION!UNIT OPERATION HAZARDFailure to follow this caution may result in equipmentdamage or improper operation.Do not allow water and/or ice to build up in base pan.Elevate unit per local climate and code requirements to provideclearance above estimated snowfall level and ensure adequatedrainage of unit.CAUTION!UNIT OPERATION HAZARDFailure to follow this caution may result in equipmentdamage or improper operation.Locate the unit in such a way that it is stable in allcircumstances including adverse weather conditions.In Long--Line Applications, Install Liquid--LineSolenoid Valve (LSV)For refrigerant piping arrangements with equivalent lengths greaterthan 80 ft. (24.38 m) and/or when elevation difference betweenindoor and outdoor unit is greater than ±20 ft. (±6.10 m), followall requirements of the Long--Line Guideline—Air Conditionersand Heat Pumps Using PuronR refrigerant. If required byLong--Line Guideline, install LSV kit, part no. KHALS0401LLS,specifically designed for PuronR refrigerant heat pumps. LSVshould be installed within 2 ft. (0.61 m) of outdoor unit with flowarrow pointing toward outdoor unit. Follow the InstallationInstructions included with accessory kit.IMPORTANT: Flow arrow must point toward outdoor unit.Make Piping Connections! WARNINGPERSONAL INJURY AND UNIT DAMAGEHAZARDFailure to follow this warning could result in personalinjury or death.Relieve pressure and recover all refrigerant before systemrepair or final unit disposal. Use all service ports and openall flow--control devices, including solenoid valves.CAUTION!UNIT DAMAGE HAZARDFailure to follow this caution may result in equipmentdamage or improper operation.Do not leave system open to atmosphere any longer thanminimum required for installation. POE oil in compressor isextremely susceptible to moisture absorption. Always keepends of tubing sealed during installation.CAUTION!UNIT DAMAGE HAZARDFailure to follow this caution may result in equipmentdamage or improper operation.If ANY refrigerant tubing is buried, provide a 6 in. verticalrise at service valve. Refrigerant tubing lengths up to 36 in.(914.4 mm) may be buried without further specialconsideration. Do not bury lines longer than 36 in. (914.4mm).Outdoor units may be connected to indoor section using accessorytubing package or field--supplied refrigerant grade tubing of correctsize and condition. For tubing requirements beyond 80 ft. (24.38m), substantial capacity and performance losses can occur.Following the recommendations in the Application Guideline andService Manual--Residential Split--System Air Conditioners andHeat Pumps Using PuronR Refrigerant will reduce these losses.Refer to Table 1 for field tubing diameters. Refer to Table 2 foraccessory requirements.Outdoor Unit Connected to Factory--Approved IndoorUnitOutdoor unit contains correct system refrigerant charge foroperation with factory--approved, AHRI--rated indoor unit withhighest sales volume when connected by 15 ft. (4.57 m) offield--supplied or factory--accessory tubing, and factory--suppliedfilter drier. Check refrigerant charge for maximum efficiency.25HPA6