Daikin FWG05AATNMV1 Installation Manual page 16

C) OTHERS
The controller board comes with other option.
LIVE
L
HTR
i) Unoccupied Mode
If the dry contact is closed, the Unoccupied mode is activated and vice versa. When Timer On is active, system goes back to
Occupied mode.
The dry contact connection points can be connected in parallel with other fan coil unit (FCU) boards. If the dry contact is
closed. Unoccupied mode will be activated on all the fan coil units which are connected in parallel as shown in figure above.
ii) Anti Freeze Mode
Anti Freeze operation has the highest priority among all unit operation. Anti Freeze operation will be activated only if dry
contact is closed and vice versa.
iii) Window Open Mode
The dry contact connection points can be connected in parallel with other fan coil unit (FCU) boards. If the dry contact is
closed, Window open mode will be activated on all the fan coil units which are connected in parallel as shown in figure below.
iv) Load Shedding
The dry contact connection points can be connected in parallel with other fan coil unit (FCU) boards. If the dry contact is
closed, load shedding mode will be activated on all the fan coil units which are connected in parallel as shown in figure below.
FCU1
Global Unoccupied, Global Window Open and Global Load Shedding operation could also be activated via the network
communication bus line by the master controller with or without the above connection. (Depends on availability for this feature.)
Note:
i) Auto Fan Mode is only applicable in model 3 only. (Cooling only with Boiler).
ii) Fan mode is not available in valveless control.
iii) Wired handset has an indoor room sensor. Avoid locating the wired handset at isolated places where room temperature
reading will be inaccurate.
CN_TW
CN_PGRM
CN_STP
H_SEN C_SEN ROOM
CN_WIR
FCU2
1-14
CN_DRY
Unoccupied Mode
Windows Open Mode
Anti Freeze Mode
Connect to Level Switch
M1
M2
M3
M4
Load Shedding Mode
CN_DSP
FCU3
GLOBAL
SW
SWITCH