Specifications

Operation Manual ED72-975
20 BRC1E61
3P243520-1
English 21
Setting Method of the Cooling/Heating Selection Eligibility
(VRV only)
Settin
g
Chan
g
es
See page 22 for an explanation of the cooling/heating selection eligibility.
1
Set temperature
28°C
Cool
Return Setting
Set temperature
28°C
Cool
Return Setting
Continue pressing Operation Mode
Ɣ
Selector button of the remote controller for
at least four seconds. (During backlight lit)
A remote controller will not display
” (Changeover under control) if a
cooling/heating selection eligibility is
granted to the remote controller.
The display “ Ɣ ” (Changeover under control) on
each remote controller connected to the same
outdoor unit or BS unit will start blinking.
Vent mode setting changes are possible regardless of the *
cooling/heating selection eligibility.
If a cooling/heating selection eligibility is set in the cooling/*
heating selection remote controller (
), all the remote controllers
will display “
” (Changeover under control). In this case, no
cooling/heating selection eligibility can be set in the remote
controllers.
Refer to the operation manual provided to the outdoor unit for the
details of the cooling/heating selection remote controller.
Set a cooling/heating selection eligibility as Ɣ
explained below.
The display “ ” (Changeover under control) will blink when the power is turned ON for the first time.
Selection Settings
2
Set temperature
28°C
Cool
Return Setting
Set temperature
28°C
Cool
Return Setting
Press Operation Mode Selector button Ɣ
of the remote controller for which the
selection eligibility to be set.
Then the cooling/heating selection
eligibility will be set and the display
” (Changeover under control) will
disappear.
The display “
” (Changeover under
control) will appear on the other remote
controllers.
01_EN_3P243520-1.indd 21 2/6/2009 5:50:01 PM
20 English
Ventilation Operation
When Air Conditioner Interlocked with Total Heat Exchanger
Preparation
For mechanical protection purposes, turn ON the system at least six hours before starting the Ɣ
operation of the system.
Do not turn OFF the system in season in order to ensure the smooth starting of the system. Ɣ
Operation Method
1
Set temperature
20°C
Vent
Return Setting
Set the Operation mode selector button Ɣ
to Ventilation in the case of operating
the total heat exchanger without the
system between seasons.
2
To change the ventilation mode setting, make Ɣ
necessary settings from the main menu
(see page 33).
Ventilation mode: Automatic, Heat exchange, and Bypass*
3
To change the ventilation rate, make necessary Ɣ
settings from the main menu
(see page 32).
Ventilation rate: Low or High*
4
Press On/Off button. Ɣ
The Operation lamp (green) will be lit
and the system will start operating.
5
The Operation lamp will be turned OFF Ɣ
and the system will stop operating when
On/Off button is pressed again.
Basic Operation Method
(Use of Direct Buttons)
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