Daikin RZQ Series FCQ20EVA Service Manual page 68

Field Setting from Remote Controller
 External Activation from Optional PCB
Graph
Low night noise operation can also be activated from the optional PCB (KRP58M51).
Power supply connector
(on outdoor unit PCB X77A)
Low night noise operation will start when the contact on LNOP-COM is closed and will remain active as long
as the contact is closed. No field setting on the outdoor unit or by remote controller is required.
Low night noise operation will be ended when the contact is re-opened.
Use of the KRP58M51 enables the use of an external time clock.
Exceptions
The Low night noise operation will be overruled in the following conditions:
 Pump down residual operation
 Startup control
 Defrost operation
 Oil recovery
59
Output on X801M = 12VDC, 12mA
Maximum wire length = 100 m
DS1
ON
OFF
1 2 3 4
X800M
X801M
3 2 1 LNOP COM
Transmission connector
(on outdoor unit PCB X6A)
X801M
3 2 1 LNOP COM
SiME281501E
Field Setting