Fujitsu 18RCLX Manual - Page 37
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Flex Zone Outdoor Unit
AOU48RLXFZ1
Connect 2 to 8 indoor units
80 to 130% connectable capacity
Connect 39,000 to 62,000 BTU
2 Indoor Units
18k BTU/h + 24 k BTU/h = 42k BTU/h ··OK
12k BTU/h + 24 k BTU/h = 36k BTU/h ··Not
Allowed (below 80%)
Compact Size
The compact size of outdoor unit AOU48RLXFZ1 allows for
many installation opportunities.
Self Diagnostic Feature
This printed circuit board provides
three modes of diagnostics -
setting, monitoring and function
mode, as well as error codes.
It also provides a pre-
commissioning check function.
Setting mode allows optional
functions to be selected. Monitoring mode provides temperature
for each thermistor, compressor operation and other functions.
Function mode provides cooling test run, heating test run and
pump down operation.
Piping Flexibility
Contractors can choose the
best direction for piping from
the outdoor unit.
Back
Right
Front
Bottom
48,000 BTUs
8 Indoor Units
7k BTU/h × 8 units = 56k BTU ··OK
9k BTU/h × 8 units = 72k BTU ··Not Allowed
(over 130%)
40" minimum
clearance
required
DC Twin Rotary Compressor
A high performance, low noise,
large capacity DC twin rotary
compressor is used. Includes
Quiet Mode for night operation.
48,000 BTUs
Connectable Indoor Unit
Connectable Indoor Unit
Connectable Branch Box
Nominal Cooling
Max Cooling
Nominal Heating
Low Temp. Heating 17°F
Max Heating
Clg. Operating Range °F(°C)
Htg. Operating Range °F(°C)
Input Power: Cooling Rated kW*
Input Power: Heating Rated kW*
Voltage/Frequency/Phase
Current: Clg Outdoor Max.
Current: Htg Outdoor Max.
Recommended Fuse Size
Outdoor Fan Speed RPM
Fan: Type x Quantity
Fan Motor Output W
Sound Pressure Level Cooling
Sound Pressure Level Heating
Max. Pipe Length Total Ft (m)
Max. Pipe Length Between Box &
Farthest Indoor Unit Ft (m)
Max. Pipe Height Difference Between
Outdoor Unit & Branch Box Ft (m)
Max. Pipe Height Difference
Between Indoor Units Ft (m)
Max. Pipe Height Difference Between
Outdoor Unit & Farthest Indoor Ft (m)
Connection Method
Conn. Pipe Diameter
Net Weight lbs.
Dimensions: Height
Width
Depth
Refrigerant
SEER
Ducted
14.7
Non-Ducted
17.0
Mixed
15.8
AOU48RLXFZ1
Heat Pump
2 to 8
Number
80 to 130% Nominal
Capacity
(39,000 - 62,000 BTU)
1 to 3
Number
48,000
BTU/h
51,100
BTU/h
54,000
BTU/h
BTU/h
40,000
57,000
BTU/h
23-115 (-5-46)
5-75 (-15-24)
5.52 / 5.19 / 5.35
5.02 / 4.89 / 4.96
208-230/60/1
24.5 / 23.0 / 23.7
(A)
22.3 / 21.7 / 22.0
(A)
40
(A)
890/910
(Clg/Htg)
Propeller x 1
111
56
dB(A)
58
dB(A)
377 (115)
49 (15)
98 (30)
49 (15)
98 (30)
Flare
3/8 (Liq.) 5/8 (Suc.)
Inch
216 (98)
(kg)
36
Inch
914
mm
38-1/4
Inch
970
mm
14-5/8
Inch
370
mm
R410A
*Ducted / Non-Ducted / Mixed
HSPF
EER**
9.3
8.7
9.8
9.25
9.5
8.97
**Cooling
37