21
Application Information
Others
The controller board of 4 pipes system (W3) comes with other dry contact options.
L
COMP
TRANSFORMER
UNOCP
A_FRZ
W_OPEN
TFULL
SHED
Unoccupied Mode
Anti Freeze Mode
Window Open Mode
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.
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
If the dry contact is closed, Window Open Mode will be activated on the fan coil unit which is connected and
vice versa.
Note: The dry contact connection point can be connected with individual fan coil unit only. It cannot be connected
parallel with other fan coil units.
Cable Size
Model
Unit
FWE / FWF / FWK / FWW
Power supply cable size*
mm2
1.5
Number of wire
3
Recommended fuse*
A
2
Model
Unit
FWC03C
FWC04C
FWC06C
FWC07C
Power supply cable size*
mm2
1.5
1.5
1.5
1.5
Number of wire
3
3
3
3
Recommended fuse*
A
1
1
1
2
Model
Unit
FWC09C
FWC11/12/14/16C FWC02/03/04/05FD
FWC06/08FD
Power supply cable size*
mm2
1.5
1.5
1.5
1.5
Number of wire
3
3
5
5
Recommended fuse*
A
3
5
1
2
Model
Unit
FWC10FD
FWC-H
FUD20/25B
FUD30/40B
Power supply cable size*
mm2
1.5
1.0
1.5
1.5
Number of wire
5
5
3
4
Recommended fuse*
A
3
6
10
10
Important:
* These values are for information only. They should be checked and selected to comply local
or national codes and regulations. They are also subjected to the type of installation and size of
conductor
Summary of Contents for FWW Series
Page 2: ......
Page 4: ...Table of Contents ii...
Page 85: ...81 Selection Process...
Page 136: ...132 Wiring Diagrams Model FWC02 03 04 05 06FD Model FWC08 10FD...
Page 137: ...133 Wiring Diagrams Model FWC03 04 06 14 16 18 20H Model FWC08 10 12H...
Page 138: ...134 Wiring Diagrams Model FUD20B Model FUD25B...
Page 139: ...135 Wiring Diagrams Model FUD30 40B...
Page 143: ......