EDUS72-975
Operation Manual
BRC1E71
19
3P243520-2C
18
English
Basic Operation
Precautions for Selecting the Cool / Heat Changeover Master Indoor Unit
The cool/heat changeover master must be set for a single indoor unit in the following applications
Ɣ
(2-Pipe Heat Pump System)
(3-Pipe Heat Recovery System)
Indoor unit
Indoor unit
A
number of indoor units are
connected to a single outdoor unit.
Set any one of the indoor units as
the cool/heat changeover master
.
A
number of indoor units are
connected to a single BS unit.
Set any one of the indoor units as
the cool/heat changeover master
.
BS unit:
The BS unit is used for cooling or
heat mode selection.
Key Lock
Operation
Confirm and cancel Key Lock settings in the basic display screen.
1
Cool
Return
Setting
Set to
Cool
74
F
Basic screen
Press the Menu/OK button for at least four
Ɣ
seconds. (While the backlight is
illuminated)
2
Cool
Return
Setting
Set to
Cool
74
F
“
Ɣ
” will appear
.
All buttons are disabled when the keys
are locked.
T
o
cancel the key lock mode, continue
Ɣ
pressing Menu/OK button for at least
four seconds. (While the backlight is
illuminated)
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English
17
3
Cool
Return
Setting
Set to
Cool
74
F
Press the Mode button on the remote
Ɣ
controller of the indoor unit designated
as the cool/heat changeover master (the
remote controller not displaying the
MASTER
CONTROLLED
icon) repeatedly until the desired
mode is selected.
The display will
change to “Fan”, “Dry”, “Auto”, “Cool”,
“Heat” each time the button is pressed.
Simultaneously
, the other indoor units on
Ɣ
the system will follow suit and change
modes to refl
ect the new mode selected
at the changeover master remote
controller
.
Cool / Heat Mode Selection
A
vailability
“Cool”, “Heat” and “Auto” are all only available for selection on the cool/heat changeover master
Ɣ
indoor unit.
The following table indicates the available operating modes of the other indoor units
on the system based upon the selected mode of the master indoor unit.
When the master indoor
unit is set to
The other indoor units in the system can be set to
Cool
Dry
Heat
Fan
Cool mode
Dry mode
Heat mode
Fan mode
Auto mode (Cooling operation)
Auto mode (Heating operation)
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Summary of Contents for BRC1E71
Page 1: ...AMERICAS...
Page 8: ...EDUS72 975 Features BRC1E71 7 1 5 Other Features...
