Daikin RQYQ140-180PY1 Service Manual page 95

SiBE341001
2.1.3 Cool/Heat Changeover Setting [For RQCEP Type]
To use a cool/heat changeover remote controller
Set the dip switch on the BS unit PCB (DS 1-1) according to the following before turning on the BS unit.
Connect the cool/heat changeover remote controller to (A), (B) and (C) of the terminal strip X2M.
Note: • This setting is read by a micro-computer when the power is turned on.
• Be sure to set the switch before turning on the power.
• Be sure to close the EL. COMPO. BOX lid after setting.
To use a cool/heat centralized remote controller
"External control adaptor for the outdoor unit" is required to use a cool/heat centralized remote controller.
Set the dip switch on the BS unit PCB (DS 1-2) according to the following before turning on the BS unit.
Connect the connector of the "External control adaptor for the outdoor unit" to the connector (X2A) on the BS unit
PCB (Refer to the installation manual and the installation guide for details of the installation).
Connect the terminals (F1, F2) of the external control adaptor for the outdoor unit to the terminals (F1, F2: indoor
side) on the BS unit PCB (Refer to the figure below).
Set the external control adaptor for the outdoor unit according to the following:
• Set SS1 of the external control adaptor for the outdoor unit to "BOTH" or "C/H".
• Set SS2 of the external control adaptor for the outdoor unit to "ON".
• A unit No. of the cool/heat centralized remote controller can be set by setting the terminal address of the external
control adaptor for the outdoor unit to 0-7.
: OFF
: Set by other items
Test Operation
1 2
ON
OFF
DS1
X2A
BS unit PCB
F1 F2 F1 F2
Indoor Outdoor
side side
(Note1)
Higher 2 bits Lower 3 bits
DS1 DS2
: ON
Central Terminal
Cool/
heat No. address
Demand address
X2M
A B C
Cool / heat changeover
remote controller
1 2
ON
OFF
DS1
F1
External control
F2
adaptor for the
N
outdoor unit
P
Fig.1 Setting lower 3 bits of the cool/heat address by DS1 and 2
Set the same No. (0-7) as the outdoor unit and BS unit
controlled by the cool/heat centralized remote controller
No.0
No.1
No.2
No.3
Field Setting from Outdoor Unit
SS1
SS2
Terminal address
Cool/heat centralized
remote controller
No.4
No.5
No.6
No.7
86