Hitachi RAS-(4-12)HRNM(2)(E) - Outdoor Units IVX and ES Series; Available Ports

5 Control System
152
SMGB0064 rev.0 - 08/2011
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