An air conditioner with a power input of 1 2 kW is working as a refrigerator ( 61538 61472 3) or as a heat pump ( 61538 4) It maintains an office at 20 61616 C year round which exchanges 0 5 kW per degree temperature difference with the atmosphere Find the maximum and minimum outside temperature fo...

Analyse the unit in heat pump mode Replacement heat transfer equals the lo ...

An air-conditioner with a power input of 1.2 kW is working as a refrigerator (= 3) or

Question:

An air-conditioner with a power input of 1.2 kW is working as a refrigerator (= 3) or as a heat pump (’ = 4). It maintains an office at 20C year round which exchanges 0.5 kW per degree temperature difference with the atmosphere. Find the maximum and minimum outside temperature for which this unit is sufficient.