Fujitsu AOU18RLXFZH, AOU24RLXFZH User Manual
XLTH Outdoor Units 18, 24,000 BTUs
AOU18RLXFZH, AOU24RLXFZH
18, 24,000 BTUs
Ambient Heating Temperature of -15°F
Other models may go as low as -5°F, however they do not include a base heater and other advancements
found in XLTH models. |
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Connectable Indoor Unit Number |
The base of Fujitsu’s XLTH |
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Connectable Unit Capacity Class BTU/h |
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Rated Capacity Cooling/Heating BTU/h |
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outdoor condensing units. |
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Clg. Operating Range °F(°C) |
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Htg. Operating Range °F(°C) |
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Input Power: Clg/Htg Rated kW* |
Base Heater |
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Voltage/Frequency/Phase |
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Current: Total Max. (A) |
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When temperatures reach |
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Minimum Circuit Ampacity (A) |
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MAX.CRT.BKR (A) |
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36°F, a built-in heater warms |
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Outdoor Fan Airflow CFM (Clg/Htg) |
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the base of the outdoor unit |
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Fan: Type x Quantity |
so that condensation doesn’t |
Base Drainage Holes |
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Sound Pressure Level Cooling dB(A) |
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Sound Pressure Level Heating dB(A) |
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freeze. Without a heater, |
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The cultivated base |
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Pre-Charge Length Total Ft (m) |
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freezing condensate can |
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design discharges |
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Max. Length Total Ft (m) |
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cause noise, damage to the |
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melted water through |
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Max. Length Each Ft (m) |
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fan blade, condenser, and |
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many holes located at |
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Min. Length Total Ft (m) |
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system performance. |
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the bottom of the unit. |
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Min. Length Each Ft (m) |
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Max. Pipe Height Difference Between |
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Improved Heating Capacity |
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Outdoor Unit & Farthest Indoor Ft (m) |
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Max. Pipe Height Difference |
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Heating capacity at |
Capacity |
100 |
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Between Indoor Units Ft (m) |
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Connection Method |
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was improved by adopting |
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Conn. Pipe Diameter Inch |
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low outdoor temperatures |
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compressor. |
Heatingof |
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a large heat exchanger |
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50 |
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RLXFZ |
RLXFZH |
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Net Weight lbs. (kg) |
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and a high capacity |
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(Standard |
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Multi-Zone) |
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Dimensions: Height Inch |
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% |
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mm |
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47 |
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5 |
-15 |
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Width Inch |
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Ambient Temperature (F°) |
mm |
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Depth Inch |
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Nominal Capacities, SEER and HSPF Ratings |
Refrigerant |
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AOU AOU 18RLXFZH 24RLXFZH
Heat Pump |
Heat Pump |
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2 |
2 to 3 |
14,000 to 21,000 14,000 to 27,000
18,000/22,000 |
22,000/25,000 |
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14 to 115 |
14 to 115 |
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(-10 to 46) |
(-10 to 46) |
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-15 to 75 |
-15 to 75 |
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(-26 to 24) |
(-26 to 24) |
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1.33/1.70 |
1.65/1.81 |
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208-230/60/1 |
208-230/60/1 |
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16.4 |
20.8 |
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19.7 |
25.1 |
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20 |
30 |
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1,648/1,648 |
1,942/1,942 |
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Propeller x 1 |
Propeller x 1 |
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48 |
50 |
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50 |
52 |
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98 (30) |
98 (30) |
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164 (50) |
230 (70) |
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82 (25) |
82 (25) |
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49 (15) |
49 (15) |
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16 (5) |
16 (5) |
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49 (15) |
49 (15) |
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33 (10) |
33 (10) |
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Flare |
Flare |
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Liq. 1/4 x 2 |
Liq. 1/4 x 3 |
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Suc. 1/2 x 1, |
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Suc. 3/8 x 2 |
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3/8 x 2 |
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134 (61) |
146 (66) |
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32-11/16 |
32-11/16 |
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830 |
830 |
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35-7/16 |
35-7/16 |
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900 |
900 |
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13 |
13 |
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330 |
330 |
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R410A |
R410A |
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Data below is based on AHRI 210/240 non-ducted wall mounted models.
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Cooling |
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Heating Rated |
Heating Maximum |
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Model |
Indoor Unit |
Capacity |
EER |
SEER |
Capacity |
Capacity |
COP |
HSPF |
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Btu/h |
Btu/h |
Btu/h |
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Type |
Combination |
95◦F |
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47◦F |
17◦F |
17◦F |
5◦F |
47◦F |
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Non-Ducted |
9+9 |
18,000 |
13.5 |
21.5 |
22,000 |
14,200 |
23,600 |
22,000 |
3.79 |
10.3 |
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AOU18RLXFZH |
Ducted |
9+9 |
18,000 |
12.4 |
19.0 |
22,000 |
14,200 |
23,600 |
22,000 |
3.60 |
9.0 |
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Mixed |
9+9 |
18,000 |
13.0 |
20.3 |
22,000 |
14,200 |
23,600 |
22,000 |
3.70 |
9.7 |
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Non-Ducted |
9+7+7 |
22,000 |
13.3 |
20.0 |
25,000 |
15,400 |
26,400 |
25,000 |
4.04 |
10.3 |
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AOU24RLXFZH |
Ducted |
9+7+7 |
22,000 |
12.1 |
18.0 |
25,000 |
15,400 |
26,400 |
25,000 |
3.87 |
9.0 |
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Mixed |
9+7+7 |
22,000 |
12.7 |
19.0 |
25,000 |
15,400 |
26,400 |
25,000 |
3.96 |
9.7 |
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Yellow rows represent models that are ENERGY STAR® qualified.
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