HVAC: Johnson Controls Water Source Packaged Heat Pump Not Cooling (John Controls AC Unit Repair) Johnson Controls Roof Top Unit / Johnson Controls RTU Not Cooling Not Heating / Johnson Controls RTU Not Working /Johnson Controls RTU Troubleshooting / Johnson Controls York RTU Leaking Refrigerant / Johnson Controls Evaporator Belt Replacement / Johnson Controls Evaporator Belt Installation / Johnson Controls RTU Wiring / Johnson Controls Sensor Failure / Johnson Controls Dirty Air Filters / Johnson Controls RTU Air Filter Replacement / Johnson Controls RTU Air Filter Installation / Rooftop Package Unit High Head Pressure) HVAC Troubleshooting / AC Air Flow Troubleshooting / How To Clean Condenser Coil / How To Clean Evaporator Coil / How To Clean Air Conditioner Coils For Air Conditioning & Refrigeration Systems #HVAC #RTU #jumpermantech

When used to cool a building, a heat pump works like an air conditioner by transferring heat from inside the building to the outdoors. When used to heat a building, the heat pump operates in reverse: heat is transferred into the building from the outdoors. Common heat pump types are air source heat pumps, ground source heat pumps, water source heat pumps and exhaust air heat pumps. Heat pumps are also often used in district heating systems.

The water source heat pump replaces the outdoor fan and coil with a heat exchanger. For this system to work the building provides a loop of water. This water loop includes a cooling tower and a boiler to maintain the water entering and leaving the unit for optimal performance.

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