Fujitsu UTY-RNRYZ1 - Settable Temperature Ranges; Other Information; Outline Dimensions; Technical Specifications

4OPERATIONTIPS
4-1 Selectable Modes (for VRF system)
There are restrictions on the selectable modes depending on
the system conguration and operation status.
4-1-1 Heat recovery system
(a) When single indoor unit connected to RB unit
All the modes can be selected.
(b) When a master indoor unit is set in an RB group, only
the mode selected at the master indoor unit (*1) can be
used. (*1: “Fan” cannot be selected at the indoor unit
including the master indoor unit .)
(c) When a master indoor unit is not set in the RB Group,
refer to the following table.
Status Selectable Not selectable
Other indoor unit is in cool-
ing operation.
Cool, Dry Auto, Heat, Fan
Other indoor unit is in dehu-
midifying operation.
Cool, Dry Auto, Heat, Fan
Other indoor unit is in heat-
ing operation.
Heat Auto, Cool, Dry,
Fan
Other indoor unit is in anti
freeze operation.
Heat Auto, Cool, Dry,
Fan
4-1-2 When indoor units is connected for cooling
only in heat recovery system
(a) Refer to the following table:
Status Selectable Not selectable
At any time
Auto, Cool, Dry,
Fan
Heat
4-1-3 RB priority connection in heat recovery system
(a) For indoor units or RB groups by RB priority connec-
tion, refer to the following table:
Status Selectable Not selectable
Cooling priority is set by
external input.
Cool, Dry Auto, Heat, Fan
Heating priority is set by
external input.
Heat Auto, Cool, Dry,
Fan
4-1-4 Heat pump system
(a) Refer to the following table:
Status Selectable Not selectable
Other indoor unit is in cool-
ing operation.
Cool, Dry Auto, Heat, Fan
Other indoor unit is in dehu-
midifying operation.
Cool, Dry Auto, Heat, Fan
Other indoor unit is in heat-
ing operation.
Heat Auto, Cool, Dry,
Fan
Other indoor unit is in anti
freeze operation.
Heat Auto, Cool, Dry,
Fan
(b) When a master indoor unit is set in a refrigerant system,
only the mode selected at the master indoor unit (*2)
can be used. (*2: “Fan” cannot be selected at the indoor
unit including the master indoor unit .)
4-1-5 Outdoor unit priority connection in heat pump
system
(a) Refer to the following table:
Status Selectable Not selectable
Cooling priority is set by
external input.
Cool, Dry Auto, Heat, Fan
Heating priority is set by
external input.
Heat Auto, Cool, Dry,
Fan
4-2 Verication screen when setting is
complete
The verication screen which is
displayed when a setting is com-
plete is displayed for approximately
3 seconds. When this screen is
touched, the display switches to
the next screen.
(Example of screen)
On Timer
Setting changed.
4-3 Settable temperature range
The settable temperature range by operation mode and
indoor unit setting is shown in the table below.
Cool/Dry 18 to 30 °C (64 to 88 °F)
Heat
VRF system: 10 to 30 °C (48 to 88 °F)
Other system: 16 to 30 °C (60 to 88 °F)
Auto 18 to 30 °C (64 to 88 °F)
En-21
En-22