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FCQ-B7
Fresh air intake kit
1. Option kits KDDJ55B160, KDDJ55B160K,
KDDJ55B160F
Following restrictions must be kept:
1. Maximum 20% of the nominal indoor unit air
volume can be sucked from the fresh air duct.
2. Put an air filter in the duct.
3. When a duct fan is used, use the option kit
together with the duct fan. When only the duct
fan is operating, dust can fall from the air filter
into the room.
Adapter for wiring KRP1B57
Installation box for adaptor PCB (KRP1C98) is
necessary
2. Option kit KDDJ55X160
This kit can be used when the duct length is less
than 4 m.
Approximately 2 or 3% of the nominal indoor unit
air volume can be sucked from the fresh air duct.
The use of a duct fan is not allowed because the
sound of the duct can be heard at the indoor unit.
Option kit
Fresh air intake volume / static pressure
Static
pressure
(mmH
2
O)
Internal static
pressure
Note
Air volume m
3
/min
Note:
Air volume at the
inlet of the indoor
unit (not included:
pressure loss of
the duct)
Static
pressure
(mmH
2
O)
Air volume m
3
/min
Static pressure
(mmH
2
O)
Internal static pressure
Air volume m
3
/min
3TW22839-10A
KDDJ55B160
(without T-joint connection and
without duct fan)
KDDJ55B160K
(with T-joint connection, without
duct fan)
KDDJ55B160F
(with T-joint connection and with
duct fan)
KDDJ55X160
(direct installation)
•
4-Way Blow Ceiling Mounted Cassette
•
R-410A
•
FCQ35-60B7V1B
8
Accessories
8-2
Optional accessories
8
8-2
14
•
Split - Sky Air
•
Indoor Units