Daikin CTXU25G2V1B Service Manual page 98

Operation Manual
NOTE
Notes on "HUMID HEAT operation" at multi system
• When the indoor units in both 2 rooms are set to HUMID HEAT operation/FRESH AIR SUPPLY VENTILATION, the indoor unit in either 1
of the room operate HUMID HEAT operation/FRESH AIR SUPPLY VENTILATION.
(The indoor units in both 2 rooms do not simultaneously go into HUMID HEAT operation/FRESH AIR SUPPLY VENTILATION.)
Priority is given to the indoor unit in either one of the rooms already in operation. When the humidity of the room to which priority is given
reaches a target level, the humidification of the room will stop and the humidification of the other room will start automatically. (page 26.)
Refer to the following application examples
Example 1
Initial state of operation
Room A
Room B
• The unit in Room B in HEAT operation
will be changed into HUMID HEAT
operation while the unit in Room A is in
HUMID HEAT operation.
The result is shown in the illustration on
the right.
• While the unit in Room A is in
"CONT" HUMID HEAT operation, the
unit in Room B will not go into
HUMID HEAT operation automatically
as right example. (The multi-monitor
lamp is yellow in a standby state.)
Example 2
Initial state of operation
Room A
Room B
• The unit in Room B in HEAT operation
will be added ventilation while the unit in
Room A is in HUMID HEAT operation.
The result is shown in the illustration on
the right.
87
:The indoor units in both 2 rooms are in HUMID HEAT operation.
Room A
HUMID
HEAT
ORANGE
Room B
HEAT
RED
• The unit in first selected priority
operation in Room A will take
precedence, and the unit in Room B will
go into a standby state. (Yellow) When
the humidity of Room A satisfies the
preset condition, HUMID HEAT
operation in Room A will be switched to
the unit in Room B automatically.
The result is shown in the illustration on
the right.
:The indoor units in the rooms are in HUMID HEAT operation and FRESH AIR SUPPLY VENTILATION,
respectively.
Room A
HUMID
HEAT
ORANGE
Room B
HEAT
RED
• The unit in first selected priority operation
in Room A will take precedence.
The unit in Room B keeps HEAT operation and will
go into a standby state for ventilation. (Yellow)
In case you will start ventilation the unit
in Room B, the HUMID HEAT operation
of Room A have to be stopped.
The result is shown in the illustration on the right.
First selected priority
HUMID
HEAT
ORANGE
HEAT
YELLOW
First selected priority
HUMID
HEAT
ORANGE
HEAT
YELLOW
Automatic switchover between 2 rooms
Room A
HEAT
ORANGE
Room B
HUMID
HEAT
ORANGE
• The humidification of Room A is finished,
and the unit in a standby state in Room
B will go into HUMID HEAT operation.
When the humidity of Room A drops, the
unit in Room A will be switched HUMID
HEAT operation and the unit in Room B
will be switched HEAT operation
automatically. (Because the unit in
Room A is first selected priority.)
The result is shown in the illustration on
the left.
Room A
Not appear
Room B
HEAT/
SUPPLY VENTILATION
RED
• The unit in Room B is in HEAT operation
besides ventilation.
Installation / Operation Manual
SiBE12-908
13