Hitachi RAS-(4-12)HNP(1)(E) - Page 216

7 Test run
202
SMGB0087 rev.0 - 12/2013
Operation DipSwitchSetting Operation Remarks
Manual
Defrost

Manual defrost operation starts
Press PSW1 for more than 3 se-
conds during heating operation, the
defrost operation is started after 2
minutes.This function is not availa-
ble within 5 minutes after starting
heating operation
 Manual defrost operation nis-
hes
Defrost operation is automatically
ended and the heating operation is
started.
 Defrost operation is available regar-
dless of frosting condition and total time
of heating operation.
 Defrost operation in not performed
when the temperature of outdoor heat
exchanger is higher than 10ºC, high
pressure is higher than 3.3 MPa (33kgf/
cm
2
G) or Thermo-OFF.
• Do not repeat defrost operation fre-
quently.
 N O T E
IncaseofRAS-(2-2.5)HVNPorRAS-3HVNCoperationisperformedbyDSW301onthePCBoftheoutdoorunitinstead
ofDSW1.