Service manual

SiUS041111 Specifications
Specifications 9
60 Hz, 208 - 230V
Note:  The data are based on the conditions shown in the table below.
Model
Indoor Unit FTXN15KVJU FTXN18KVJU
Outdoor Unit
RXN15KEVJU RXN18KEVJU
Cooling Heating Cooling Heating
Capacity
Rated (Min. ~ Max.)
kW 4.4 (1.7 ~ 4.4) 5.28 (1.7 ~ 6.2) 5.28 (1.7 ~ 5.28) 6.33 (1.7 ~ 7.03)
Btu/h 15,000 (5,800 ~ 15,000) 18,000 (5,800 ~ 21,200) 18,000 (5,800 ~ 18,000) 21,600 (5,800 ~ 24,000)
kcal/h 3,780 (1,460 ~ 3,780) 4,540 (1,460 ~ 5,330) 4,540 (1,460 ~ 4,540) 5,440 (1,460 ~ 6,050)
Moisture Removal L/h 2.9 — 3.9 —
Running Current (Rated) A 6.11 - 5.53 8.46 - 7.65 7.33 - 6.63 10.75 - 9.72
Power Consumption
Rated
(Min. ~ Max.)
W 1,250 (280 ~ 1,250) 1,730 (260 - 2,160) 1,500 (300 ~ 1,500) 2,200 (270 ~ 2,530)
Power Factor % 98.4 - 98.3 98.3 - 98.3 98.4 - 98.4 98.4 - 98.4
EER (Rated) (Min. ~ Max.) Btu/h-W 12.0 - 12.0 -
COP (Rated) (Min. ~ Max.) W/W 3.52 (6.07 ~ 3.52) 3.05 (6.54 ~ 2.87) 3.52 (5.67 ~ 3.52) 2.88 (6.30 ~ 2.78)
Piping
Connections
Liquid inch (mm) 1/4 (6.4) 1/4 (6.4)
Gas inch (mm)  1/2 (12.7)  1/2 (12.7)
Drain
Indoor Unit
inch (mm)
I.D. 9/16 (14.0), O.D. 11/16 (18.0) I.D. 9/16 (14.0), O.D. 11/16 (18.0)
Outdoor Unit I.D. 11/16 (18.0) (Hole) I.D. 11/16 (18.0) (Hole)
Heat Insulation Both Liquid and Gas Pipes Both Liquid and Gas Pipes
Max. Interunit Piping Length feet (m) 98.4 (30) 98.4 (30)
Max. Interunit Height Difference feet (m) 65.6 (20) 65.6 (20)
Chargeless feet (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 FTXN15KVJU FTXN18KVJU
Front Panel Color White White
Airflow Rate
H
cfm
(m³/min)
519 (14.7) 568 (16.1) 572 (16.2) 614 (17.4)
M 438 (12.4) 491 (13.9) 480 (13.6) 533 (15.1)
L 364 (10.3) 406 (11.5) 403 (11.4) 448 (12.7)
SL 335 (9.5) 360 (10.2) 360 (10.2) 403 (11.4)
Fan
Type Cross Flow Fan Cross Flow Fan
Motor Output W 43 43
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 0.17 - 0.15 0.18 - 0.16 0.17 - 0.15 0.18 - 0.16
Power Consumption (Rated) W 34 - 34 36 - 36 34 - 34 36 - 36
Power Factor % 96.2 - 98.6 96.2 - 97.8 96.2 - 98.6 96.2 - 97.8
Temperature Control Microcomputer Control Microcomputer Control
Dimensions (H × W × D) inch (mm) 11-7/16 × 41-5/16 × 9-3/8 (290 × 1,050 × 238) 11-7/16 × 41-5/16 × 9-3/8 (290 × 1,050 × 238)
Packaged Dimensions (H × W × D) inch (mm) 13-9/32 × 45-5/32 × 14-13/32 (337 × 1,147 × 366) 13-9/32 × 45-5/32 × 14-13/32 (337 × 1,147 × 366)
Weight Lbs (kg) 26.5 (12) 26.5 (12)
Gross Weight Lbs (kg) 38.0 (17) 38.0 (17)
Operation Sound H / M / L / SL dB(A) 45 / 41 / 36 / 33 44 / 40 / 35 / 32 45 / 41 / 36 / 33 44 / 40 / 35 / 32
Sound Power dB(A) 61 60 61 60
Outdoor Unit RXN15KEVJU RXN18KEVJU
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) 22.1 (0.65) 22.1 (0.65)
Refrigerant
Type R-410A R-410A
Charge Lbs (kg) 3.2 (1.45) 3.2 (1.45)
Airflow Rate H
m³/min
(cfm)
1,472 (41.7) 1,501 (42.5) 1,667 (47.2) 1,501 (42.5)
Fan
Type Propeller Propeller
Motor Output W 60 60
Running Current (Rated) A 5.94 - 5.38 8.28 - 7.49 7.16 - 6.48 10.57 - 9.56
Power Consumption (Rated) W 1,216 - 1,216 1,694 - 1,694 1,466 - 1,466 2,164 - 2,164
Power Factor % 98.4 - 98.3 98.4 - 98.3 98.4 - 98.4 98.4 - 98.4
Starting Current A 8.46 10.75
Dimensions (H × W × D) inch (mm) 23-7/16 × 31-5/16 × 11-13/16 (595 × 795 × 300) 23-7/16 × 31-5/16 × 11-13/16 (595 × 795 × 300)
Packaged Dimensions (H × W × D) inch (mm) 25-3/4 × 37-3/32 × 15-3/4 (654 × 942 × 400) 25-3/4 × 37-3/32 × 15-3/4 (654 × 942 × 400)
Weight Lbs (kg) 93 (42) 93 (42)
Gross Weight Lbs (kg) 100 (45) 100 (45)
Operation Sound H dB(A) 51 53 53 53
Sound Power H dB(A) 65 67 67 67
Drawing No. 3D071516D 3D071517C
Conversion Formulae
kcal/h = kW × 860
Btu/h = kW × 3412
cfm = m³/min × 35.3
Cooling Heating Piping Length
Indoor ; 80°FDB (27°CDB)
67°FWB (19.4°CWB)
Outdoor ; 95°FDB (35°CDB)
75°FWB (24°CWB)
Indoor ; 70°FDB (21°CDB)
60°FWB (15.5°CWB)
Outdoor ; 47°FDB (8.3°CDB)
43°FWB (6°CWB)
25 ft (7.5 m)