Service Manual

Specifications SiUS091133
7 Specifications
60 Hz, 208 - 230 V
Note:  The data are based on the conditions shown in the table below.
Model
Indoor Unit FTXS15LVJU FTXS18LVJU
Outdoor Unit
RXS15LVJU RXS18LVJU
Cooling Heating Cooling Heating
Capacity
Rated (Min.~Max.)
kW 4.4 (1.7 ~ 4.4) 5.28 (1.7 ~ 5.28) 5.28 (1.7 ~ 5.28) 6.33 (1.7 ~ 6.33)
Btu/h 15,000 (5,800 ~ 15,000) 18,000 (5,800 ~ 18,000) 18,000 (5,800 ~ 18,000) 21,600 (5,800 ~ 21,600)
kcal/h 3,780 (1,460 ~ 3,780) 4,540 (1,460 ~ 4,540) 4,540 (1,460 ~ 4,540) 5,440 (1,460 ~ 5,440)
Moisture Removal gal/h (L/h) 0.8 (3.0) — 1.0 (3.8) —
Running Current (Rated) A 5.2 - 4.7 6.5 - 5.9 7.1 - 6.4 8.4 - 7.6
Power Consumption Rated
(Min.~Max.)
W 1,040 (450 ~ 1,040) 1,320 (450 ~ 1,320) 1,420 (450 ~ 1,420) 1,710 (450 ~ 1,710)
Power Factor % 96.2 - 96.2 97.6 - 97.3 96.2 - 96.5 97.9 - 97.8
COP (Rated) W/W 4.23 (3.78 ~ 4.23) 4.00 (3.78 ~ 4.00) 3.72 (3.78 ~ 3.72) 3.70 (3.78 ~ 3.70)
EER (Rated) Btu/h·W 14.4 (12.9 ~ 14.4) 13.6 (12.9 ~ 13.6) 12.7 (12.9 ~ 12.7) 12.6 (12.9 ~ 12.6)
Piping
Connections
Liquid in. (mm) 1/4 (6.4) 1/4 (6.4)
Gas in. (mm)  1/2 (12.7)  1/2 (12.7)
Drain in. (mm) 5/8 (16.0) 5/8 (16.0)
Heat Insulation Both Liquid and Gas Pipes Both Liquid and Gas Pipes
Max. Interunit Piping Length ft (m) 98.4 (30) 98.4 (30)
Max. Interunit Height Difference ft (m) 65.6 (20) 65.6 (20)
Chargeless ft (m) 32.8 (10) 32.8 (10)
Amount of Additional Charge of Refrigerant oz/ft (g/m) 0.21 (20) 0.21 (20)
Indoor Unit FTXS15LVJU FTXS18LVJU
Front Panel Color White White
Airflow Rate
H
m³/min
(cfm)
16.1 (568) 16.8 (593) 16.5 (583) 17.7 (625)
M 13.5 (477) 14.3 (505) 13.7 (484) 14.9 (526)
L 10.9 (385) 11.8 (417) 10.9 (385) 12.2 (431)
SL 10.2 (360) 10.5 (371) 10.2 (360) 11.3 (399)
Fan
Type Cross Flow Fan Cross Flow Fan
Motor Output W 48 48
Speed Steps 5 Steps, Quiet, Auto 5 Steps, Quiet, Auto
Air Direction Control Right, Left, Horizontal, Downward Right, Left, Horizontal, Downward
Air Filter Removable / Washable / Mildew Proof Removable / Washable / Mildew Proof
Running Current (Rated) A 0.31 - 0.29 0.31 - 0.29 0.32 - 0.30 0.32 - 0.30
Power Consumption (Rated) W 38 - 38 38 - 38 38 - 38 38 - 38
Power Factor (Rated) % 58.9 - 57.0 58.9 - 57.0 57.1 - 55.1 57.1 - 55.1
Temperature Control Microcomputer Control Microcomputer Control
Dimensions (H × W × D) in. (mm) 13-3/8 × 41-5/16 × 9-3/4 (340 × 1,050 × 248) 13-3/8 × 41-5/16 × 9-3/4 (340 × 1,050 × 248)
Packaged Dimensions (H × W × D) in. (mm) 13 × 45-11/16 × 16-7/8 (331 × 1,160 × 429) 13 × 45-11/16 × 16-7/8 (331 × 1,160 × 429)
Weight (Mass) Lbs (kg) 31 (14) 31 (14)
Gross Weight (Gross Mass) Lbs (kg) 44 (20) 44 (20)
Sound Pressure Level (H / M / L / SL) dB(A) 45 / 40 / 35 / 32 43 / 38 / 33 / 30 46 / 41 / 36 / 33 45 / 40 / 35 / 32
Sound Power Level dB 61 59 62 61
Outdoor Unit RXS15LVJU RXS18LVJU
Casing Color Ivory White Ivory White
Compressor
Type Hermetically Sealed Swing Type Hermetically Sealed Swing Type
Model 2YC36BXD 2YC36BXD
Motor Output W 1,100 1,100
Refrigerant Oil
Type FVC50K FVC50K
Charge oz (L) 21.8 (0.650) 21.8 (0.650)
Refrigerant
Type R-410A R-410A
Charge Lbs (kg) 3.97 (1.8) 3.97 (1.8)
Airflow Rate
H
m³/min
(cfm)
48.5 (1,713) 39.8 (1,405) 50.4 (1,780) 40.9 (1,444)
L 41.6 (1,469) 37.0 (1,306) 42.3 (1,494) 37.6 (1,328)
Fan
Type Propeller Propeller
Motor Output W 53 53
Running Current (Rated) A 5.0 - 4.5 6.3 - 5.7 6.9 - 6.2 8.2 - 7.4
Power Consumption (Rated) W 1,002 - 1,002 1,282 - 1,282 1,382 - 1,382 1,672 - 1,672
Power Factor (Rated) % 96.3 - 96.8 97.8 - 97.8 96.3 - 96.9 98.0 - 98.2
Starting Current A 6.5 8.4
Dimensions (H × W × D) in. (mm) 28-15/16 × 32-1/2 × 11-13/16 (735 × 825 × 300) 28-15/16 × 32-1/2 × 11-13/16 (735 × 825 × 300)
Packaged Dimensions (H × W × D) in. (mm) 31-7/16 × 37-15/16 × 15-3/8 (798 × 964 × 390) 31-7/16 × 37-15/16 × 15-3/8 (798 × 964 × 390)
Weight (Mass) Lbs (kg) 104 (47) 104 (47)
Gross Weight (Gross Mass) Lbs (kg) 117 (53) 117 (53)
Sound Pressure Level (H / L) dB(A) 47 / 44 48 / 45 49 / 46 49 / 46
Sound Power Level (H) dB 61 62 63 63
Drawing No. 3D075043 3D075044
Conversion Formulae
kcal/h = kW × 860
Btu/h = kW × 3412
cfm = m³/min × 35.3
Cooling Heating Piping Length
Indoor ; 80°FDB (26.7°CDB) / 67°FWB (19.4°CWB)
Outdoor ; 95°FDB (35°CDB) / 75°FWB (24°CWB)
Indoor ; 70°FDB (21°CDB) / 60°FWB (15.6°CWB)
Outdoor ; 47°FDB (8.3°CDB) / 43°FWB (6°CWB)
25 ft (7.5 m)