20
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
FWKE / 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
FWC-G
Power supply cable size*
mm2
1.5
1.5
1.0
Number of wire
3
3
5
Recommended fuse*
A
3
5
6
Model
Unit
FUD20/25B
FUD30/40B
Power supply cable size*
mm2
1.5
1.5
Number of wire
3
4
Recommended fuse*
A
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 FUD Series
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Page 4: ...Table of Contents ii...
Page 71: ...67 Fan Performance Chart...
Page 76: ...72 Fan Performance Chart...
Page 77: ...73 Fan Performance Chart...
Page 78: ...74 Fan Performance Chart...
Page 79: ...75 Fan Performance Chart...
Page 80: ...76 Fan Performance Chart...
Page 81: ...77 Fan Performance Chart...
Page 82: ...78 Fan Performance Chart...
Page 88: ...84 Fan Performance Chart...
Page 125: ...121 Wiring Diagrams Model FWC08 10 12G MSP Model FWC02 03 04 06 08 12G EC LSP MSP...
Page 126: ...122 Wiring Diagrams Model FUD20B Model FUD25B...
Page 127: ...123 Wiring Diagrams Model FUD30B...
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