-
102
-
Indoor unit
Outdoor unit
Indoor unit
Outdoor unit
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#
!
4.2 Range of usage & limitations
System
1 to 6 units 1 to 8 units
Item
Indoor intake air temperature
(Upper, lower limits)
Outdoor air temperature
(Upper, lower limits)
Total Piping Length
(Total of the lengths of all piping)
MAX. 100m
Indoor unit MAX. 70m
MAX. 30m
MAX. 15m
MAX. 4m
! " # !
Maximum Piping Distance
(From outdoor unit to farthest indoor unit)
Within 50 m
Total length of ø9.52 liquid pipe
Number of connected units
Total capacity
FDC112KXEN6
112KXES6
FDC140KXEN6
140KXES6
FDC155KXEN6
155KXES6
90 ~ 168 112 ~ 210
1 to 8 units
124 ~ 233
Outdoor unit is higher
Outdoor unit is lower
Indoor units
that can be
used in
combination
Difference in
height between
indoor and outdoor
units
Difference in height between indoor units
Indoor unit atmosphere (behind ceiling)
temperature and humidity
1 cycle time
Stop time
Voltage fluctuation
Phase unbalance
Compressor
stop/start
frequency
Power source
voltage
Voltage drop during start
$
Allowable length of refrigerant piping, height difference between indoor and outdoor unit
(1) Branch pipe method (using branch piping)
(2) Header System (Header used)
Note (1) There is no limit to the permissible piping lengths for the main pipes or other piping, but keep furthest indoor unit piping to 50 m with
a diameter of ø9.52.
(2) A branch piping system cannot be connected after a header system.
(Furthest indoor unit)
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