Indoor, Water-Cooled
Two-Stage Water Source Heat Pump
with Puron® Refrigerant (R-410A)
2 to 5½ Tons
50PTH - Horizontal
50PTV - Vertical
50PTD - Downflow
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The 50PT indoor water-cooled heat pump unit is designed for vertical, horizontal, or downflow installation with a variety of airflow configuations. These units utilize Puron® refrigerant, modulating scroll technology, and Carrier’s modulating hot water reheat to provide a practical and economical approach for comfort conditioning requirements in renovation and new construction applications. The 50PT unit can be used in both traditional and geothermal applications, and is also ideally suited for geothermal projects seeking LEED® certification.
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- Capacities of 2, 3, 4, and 5½ tons
- EERs up to 29.7
- Puron® non-ozone depleting R-410A refrigerant
- ICM2 (integrally controlled motor 2) fan motor
- Two-stage scroll compressor mounted on computer selected vibration isolator springs
- Water loop (boiler/tower and ground loop/water) application use with operating temperature range of 20 to 110 F
- Extended range package for open loop and geothermal applications (factory-installed option)
- Fully insulated unit with acoustic type insulation
- Modulating hot water reheat (factory-installed option)
- Equipped with performance monitor to ensure efficient heat pump operation
- TXV (thermostatic expansion valve) controlled
- Copper or cupronickel heat exchanger (factory-installed option)
- Hot water generator (factory-installed option)
- Mute package for applications requiring especially low noise levels (factory-installed option)
- Complete control system (standard) or deluxe microprocessor controls, PremierLink™, and LON (Local Operating Network) control systems (factory-installed options)
- Exceeds ASHRAE 90.1 performance requirements
- ARI/ISO 13256-1 certified
- Energy Star certified
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- Galvanized steel construction
- Stainless steel, coated, and insulated condensate pan
- E-coated coils for corrosive environments (factory-installed option)
- Eight standard safeties include anti-short cycle, random start delay, high/low refrigerant pressure protection, condensate overflow sensor, high/low voltage protection, automatic intelligent reset, water coil freeze protection, and air coil freeze protection
- Shipped with “report card” validating factory test and proper operation
- Two-way motorized control valve available for open type systems or variable speed pumping (factory-installed option or field-installed accessory)
- Reversing valve (4-way), water-to-refrigerant coaxial coil, and enhanced aluminum fin/rifled copper tube refrigerant-to-air heat exchanger standard
- Microprocessor control with DDC (Direct Digital Controls) options
- UL and ETL certified
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- Access to compressor section through service panels on three sides
- All service may be done through large, removable front or side panels
- Blower housing serviceable without disconnecting ductwork
- Permanently lubricated bearings on blower units
- Quick electrical disconnects on blower motor and control box components
- Easily removable control box
- Refrigerant circuit equipped with high/low pressure ports
- No tools required to change filters
- Standard, 1-in. filter
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- Units may be mounted in ceilings, closets, attics, etc.
- Ducted or free return connections
- Field convertible discharge
- Pre-wired and factory charged with R-410A refrigerant
- Horizontal units include factory-installed hanger isolation brackets
- Vertical units have internally trapped condensate drain
- Water and condensate connections are FPT and secured to cabinet
- Single point electrical connection
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- One-year unit
- 5-year compressor
- Extended warranty packages available
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| Copper or cupronickel heat exchangers |
| Deluxe microprocessor control system |
| Extended range units |
| Hot water generator |
| PremierLink™ controller |
| LONMark® compliant controller |
| Sound attenuation (mute) package |
| Two-way motorized control valve |
| Modulating hot water reheat |
| E-coated coils |
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| 2-in. filter rack |
| Ball valves (brass body) |
| Fire-rated hoses |
| Hose kit assemblies |
| Loop controller |
| Non-programmable thermostat |
| PremierLink accessories |
| Programmable 5-day thermostat |
| Programmable 7-day flush-mount thermostat |
| Programmable 7-day light-activated thermostat |
| Programmable 7-day thermostat |
| Remote sensors |
| Solenoid water control valves (brass body) |
| Two-way motorized control valve |
| Y strainers (bronze body) |
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Terms Of Use