11
• Systems • Control Systems
21
• Individual control systems
11 Survey of various control systems
For more effective localized environmental control Daikin offers various control systems such as single or double remote control or centralized control.
This enables the construction of a variety of operational control systems which can be adapted for various uses from remote control to building
automation (BA).
Standard number of units
1 remote control controls 1
indoor unit
2 remote controls control 1
indoor unit
1 remote control controls up to
16 indoor units simultaneously
2 remote controls control up to
16 indoor units from 2 different
places simultaneously
Same as the number of units
controlled by remote control
Same as the number of units
controlled by remote control
NOTES
★1 In case of group control, the remote control used as master control must be selected with auto-swing function (BRC1A51, 61). When the group has cassette or ceiling suspended or cassette corner or wall mounted models.
★2 In case of using BRC2A51 (S-REMOCON) to heat recovery series, be sure not to use this independently. Use with other remote controls (BRC1A51·52, KRC19-26 or DCS302A51).
Function
• Operational functions
– Start/Stop (ON/OFF)
– Temperature setting
– Timer setting (Settings in units of 1 hour up to
a maximum of 72 hours)
– Air flow setting
– Air flow direction adjustment (Swing flap)
BRC1A51 only
• Indication function
– Operating display
– Program dry function display
– Defrost/Hot start display
– Filter sign
– Temperature setting display
– Timer display
– Air flow display
– Abnormal operation display
★In case of group control all the indoor units in
the system are set to the same value and each
unit is controlled individually by its internal
thermostat. (Not by the thermostat equipped in
remote control)
In common case of double remote control the
most recent takes priority. (Selection between
master and slave control is essential)
• Forcibly stops indoor unit operation by command
from outside.
• During remote control group control, input a
command from outside to any one of the indoor
units.
• Operates HRV in accordance with indoor unit
operation.
• In case of group control, the thermostat
equipped in remote control is not available.
Outline of systemUnit name and model
RC1D517
BRC1C517
★2
BRC2A51
Connected to indoor units
• For group control it is
connected to 1 unit out of
the group
• In case of control by 2
remote controls both
controls are connected to
the indoor unit
Objective / use
Local operation of remote control
For control from a
distant place
For control from 2
places (remote or local)
Control of several indoor
units on a floor at the
same time
For above control from
distant place
If forgotten to turn
equipment off, or in case
of emergency
Operation of other
equipment combined
with the operation of
indoor unit
Control method
Remote operation of
remote control
2 remote controls
Group control
(1)
Group control by 2
remote controls
(1)
Forced OFF command
from outside
Combining control by
remote control
Remote control Remote control
Remote control
(V0091)
Each up to 500m
in length
Remote control
(V0092)
(V0093)
Remote controlRemote control
Remote control
Remote control
Each up to 500m
in length
Remote control
(V0094)
Interunit wiring may be up
to 500m in length
Up to 16 indoor units may
be connected
Remote control
Remote
control
(V0095)
Interunit wiring may be up to
500m in length
Up to 16 indoor units may
be connected
• For local operation of remote control
Remote control
Forced
/OFF input
Forced
/OFF input
Forced
ON/OFF
input
Remote control
Remote
control
(V0097)
• For group control
• For HRV system
HRV
Remote control
(V0098)
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