Hitachi UTOPIA RAS-4HVRP2E - Cancellation of Outdoor Ambient Temperature Limit; Cancellation of the Outdoor Ambient Temperature Limit (GS)

6 Optional functions
RAS-(4-6)H(V)(R/N)(C/P)2E
SMGB0136 rev.0 - 07/2021
136
6.2.3.5 Cancellation of the outdoor ambient temperature limit (GS)
Press PSW1 and select the setting condition “0” to “3” at the cancellation of outdoor ambient temperature limit of G5.
Then this function can be set.
The heating operation is continued under a high outdoor temperature or the cooling operation is continued under a low
temperature.
Setting condition Operation mode for cancellation
0 Not available (default setting)
1 Heating
2 Cooling
3 Heating/Cooling

Heating operation
The limitation of the permissible outdoor temperature
area in heating operation (factory setting) as shown in
the right gure is cancelled.
? NOTE
Whentheoutdoorambienttemperaturelimitforheatingopera-
tioniscancelled,theoperationmaystopduetoincreasinghigh
pressuresincetheprotectioncontrolisnotcancelled.
23
0
15 21
29
-22
Indoor Inlet Air
Temperature (ºC)
Operation
stoppage area
Outdoor Temperature (ºC)

Cooling operation
The limitation of the permissible outdoor temperature area
in cooling operation (factory-set) as shown in the right
gure is cancelled.
? NOTE
Whentheoutdoorambienttemperaturelimitforcoolingoperationis
cancelled,theoperationmaystopduetodecreasinglowpressure
sincetheprotectioncontrolisnotcancelled.
-7 38
21
27
Operation
stoppage area
Indoor Inlet Air
Temperature (ºC)
Outdoor Temperature (ºC)
? NOTE
Ifthisfunctionissetandtheoutdoorunitoperatesintheoperationstoppageareashownintheabovegureforalongtime,theoutdoor
unitmaybedamagedsinceprotectioncontroliscancelledandsomealarmcodesbyabnormaloperationmayoccur.Ifthealarmcodes
occurfrequently,contactyourdistributororcontractor.