Hitachi RAS-5HVRNM1E Service Manual page 198

7 Test Run
Normal operation pressure
You can check the excess or the deficiency of the refrigerant in comparision with the following charts and actual pressure
measurement.
The following checking procedure is useful during test run and maintenance work.
MODEL RAS-(2-6)HVRN(1)(S)(E)
Cooling operation Heating operation
Discharge pressure Pd (MPa)
Discharge pressure Pd (MPa)
Outdoor unit temp. (DB ºC)
Indoor unit temp. (DB ºC)
Indoor unit inlet temp. (WBºC)
Outdoor unit inlet temp. (WBºC)
Suction pressure Ps (MPa)
Suction pressure Ps (MPa)
Outdoor unit temp. (DB ºC)
Indoor unit temp. (DB ºC)
Outdoor unit inlet temp. (WBºC)
Indoor unit inlet temp. (WBºC)
N O T E
• (*) When ambient temperature is less than 30 ºC, outdoor fan volume decrease.
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SMGB0060 rev. 1- 12/2010