Hitachi RAS-3HVRNS - Page 151

Prevention control for excessively high discharge gas temperature
CMC : OFF
Outlet air temp.
of I.U.
Heating operation
Is it continuous for
more than 3 min?
Discharge air temp.
of indoor unit
Is setting temp.
lower than inlet air temp.
of indoor unit?
CMC : ON
Compresor RUN
Compressor stop
Higher than 65 ºC
Yes
Lower than 60 ºC
Yes
Lower than 65 ºC
Higher than 60 ºC
5 Control System
143
SMGB0060 rev. 1- 12/2010
5