Service Manual
Table Of Contents
Specifications SiUS091601EA
19 Part 2 Specifications
Model Indoor Unit FDMQ12RVJU FDMQ18RVJU
Outdoor Unit RXL12QMVJU9 RXL18UMVJU
Cooling Heating Cooling Heating
Power Supply 1 , 60 Hz, 208 - 230 V 1 , 60 Hz, 208 - 230 V
Capacity (Min. ~ Max.)
4
kW 3.18 (1.91 ~ 3.87) 1 3.99 (1.85 ~ 4.98) 2 5.16 (2.64 ~ 5.92) 1 6.33 (2.64 ~ 7.33) 2
Btu/h 10,800 (6,500 ~ 13,200) 1 13,600 (6,300 ~ 17,000) 2 17,600 (9,000 ~ 20,200) 1 21,600 (9,000 ~ 25,000) 2
kcal/h 2,720 (1,640 ~ 3,330) 1 3,430 (1,590 ~ 4,280) 2 4,440 (2,270 ~ 5,090) 1 5,440 (2,270 ~ 6,300) 2
Capacity
3, 4
kW — 2.52 — 4.28
Btu/h — 8,600 — 14,600
kcal/h — 2,170 — 3,680
COP (Min. ~ Max.) — 3.70 (4.62 ~ 2.40) — 3.80 (5.28 ~ 2.78)
EER (Min. ~ Max.) 11.7 (14.4 ~ 9.9) — 12.7 (15.8 ~ 11.7) —
SEER / HSPF 18.0 10.8 19.4 10.3
Indoor Unit FDMQ12RVJU FDMQ18RVJU
Casing Color ——
Dimensions (H × W × D) in. (mm) 9-5/8 × 27-9/16 × 31-1/2 (245 × 700 × 800) 9-5/8 × 39-3/8 × 31-1/2 (245 × 1,000 × 800)
Coil Type Cross Fin Coil Cross Fin Coil
Rows × Stages × Fin per inch 3 × 26 × 18 3 × 26 × 18
Face Area ft² (m²) 1-15/16 (0.178) 3-1/8 (0.288)
Fan Type / Motor Output W Sirocco Fan / 130 Sirocco Fan / 230
Airflow
Rate
H / M / L cfm
(m³/min)
392 / 332 / 275
(11.1 / 9.4 / 7.8)
392 / 332 / 275
(11.1 / 9.4 / 7.8)
675 / 572 / 473
(19.1 / 16.2 / 13.4)
675 / 572 / 473
(19.1 / 16.2 / 13.4)
External Static
Pressure
inH
2
O 0.20 (0.60 - 0.12) 5 0.20 (0.60 - 0.20) 5
Pa 50 (150 - 30) 5 50 (150 - 50) 5
Sound Pressure Level 33 33 35 35
Sound Power Level 47 47 49 49
Air Filter — 6— 6
Weight (Mass) / Gross Weight (Gross Mass) Lbs (kg) 64 (29) / 71 (32) 82 (37) / 88 (40)
Piping
Connections
Liquid in. (mm) 1/4 (6.4) (Flare) 1/4 (6.4) (Flare)
Gas in. (mm) 3/8 (9.5) (Flare) 1/2 (12.7) (Flare)
Drain in. (mm) I.D. 1 (25) / O.D. 1-1/4 (32) I.D. 1 (25) / O.D. 1-1/4 (32)
Remote Controller
(Option)
Wired BRC1E73 BRC1E73
Wireless BRC082A43 BRC082A43
Outdoor Unit RXL12QMVJU9 RXL18UMVJU
Casing Color Ivory White Ivory White
Dimensions (H × W × D) in. (mm) 21-5/8 × 26-9/16 × 11-3/16 (550 × 675 × 284) 28-15/16 × 34-1/4 × 12-5/8 (735 × 870 × 320)
Coil Type Cross Fin Coil Cross Fin Coil
Rows × Stages × Fin per inch 2 × 24 × 17 2 × 32 × 18
Face Area ft² (m²) 3-11/16 (0.342) 7-1/16 (0.658)
Compressor Model 2YC36PXD 2YC63AAXD
Type Hermetically Sealed Swing Type Hermetically Sealed Swing Type
Motor Output W 1,100 1,920
Fan Type / Motor Output W Propeller / 20 Propeller / 76
Airflow Rate cfm
(m³/min)
1,144 (32.4) 1,006 (28.5) 2,418 (68.5) 2,361 (66.9)
Sound Pressure Level dB(A) 50 50 54 55
Sound Power Level dB(A) 62 62 66 67
Weight (Mass) / Gross Weight (Gross Mass) Lbs (kg) 70 (32) / 80 (36) 130 (59) / 137 (62)
Piping
Connections
Liquid in. (mm) 1/4 (6.4) (Flare) 1/4 (6.4) (Flare)
Gas in. (mm) 3/8 (9.5) (Flare) 1/2 (12.7) (Flare)
Drain in. (mm) I.D. 5/8 (16) I.D. 5/8 (16)
Safety Devices Fuse Fuse
Max. Interunit Piping Length ft (m) 65-5/8 (20) 98-1/2 (30)
Max. Interunit Height Difference ft (m) 49-1/4 (15) 65-5/8 (20)
Chargeless ft (m) 32-13/16 (10) 32-13/16 (10)
Amount of Additional Charge of Refrigerant oz/ft
(g/m)
0.21 (20) 0.32 (30)
Refrigerant Oil Type / Charge oz (L) FVC50K / 12.4 (0.375) FVC50K / 31.75 (0.900)
Refrigerant Type / Charge Lbs (kg) R-410A / 2.09 (0.95) R-410A / 3.53 (1.60)
Drawing No. C: 3D123805 C: 3D123805
Notes 1 Indoor temp.: 80.0°FDB (26.7°CDB), 67.0°FWB
(19.4°CWB) / Outdoor temp.: 95.0°FDB (35.0°CDB) /
Equivalent piping length: 25 ft (7.6 m) / Level difference: 0
2 Indoor temp.: 70.0°FDB (21.1°CDB) / Outdoor temp.:
47.0°FDB (8.3°CDB), 43.0°FWB (6.1°CWB) / Equivalent
piping length: 25 ft (7.6 m) / Level difference: 0
3 Indoor temp.: 70.0°FDB (21.1°CDB) / Outdoor temp.:
17.0°FDB (-8.3°CDB), 15.0°FWB (-9.4°CWB) / Equivalent
piping length: 25 ft (7.6 m) / Level difference: 0
4 Capacities are net, including a deduction for cooling
(an addition for heating) for indoor fan motor heat.
5 External static pressure is changeable in 13 stages by
remote controller.
6 Air filter is not standard accessory, but please mount it
in the duct system of the suction side. Select its dust
collection efficiency (gravity method) 50% or more.
1 Indoor temp.: 80.0°FDB (26.7°CDB), 67.0°FWB
(19.4°CWB) / Outdoor temp.: 95.0°FDB (35.0°CDB) /
Equivalent piping length: 25 ft (7.6 m) / Level difference: 0
2 Indoor temp.: 70.0°FDB (21.1°CDB) / Outdoor temp.:
47.0°FDB (8.3°CDB), 43.0°FWB (6.1°CWB) / Equivalent
piping length: 25 ft (7.6 m) / Level difference: 0
3 Indoor temp.: 70.0°FDB (21.1°CDB) / Outdoor temp.:
17.0°FDB (-8.3°CDB), 15.0°FWB (-9.4°CWB) / Equivalent
piping length: 25 ft (7.6 m) / Level difference: 0
4 Capacities are net, including a deduction for cooling
(an addition for heating) for indoor fan motor heat.
5 External static pressure is changeable in 11 stages by
remote controller.
6 Air filter is not standard accessory, but please mount it
in the duct system of the suction side. Select its dust
collection efficiency (gravity method) 50% or more.
Conversion Formulae
kcal/h = kW × 860
Btu/h = kW × 3412
cfm = m³/min × 35.3