Service Manual

SiUS121502E Indoor Unit
Specifications 13
60 Hz, 208 - 230 V
Model
FFQ15LVJU FFQ18LVJU
Cooling Heating Cooling Heating
Rated Capacity 15 kBtu/h Class 18 kBtu/h Class
Decoration Panel
Model BYFQ60B3W1 BYFQ60B3W1
Color White White
Dimensions (H × W × D) 2-5/32 × 27-9/16 × 27-9/16 (55 × 700 × 700) 2-5/32 × 27-9/16 × 27-9/16 (55 × 700 × 700)
Weight (Mass) Lbs (kg) 6 (2.7) 6 (2.7)
Airflow Rate
H
cfm
(m³/min)
424 (12.0) 424 (12.0) 530 (15.0) 530 (15.0)
L 283 (8.0) 283 (8.0) 353 (10.0) 353 (10.0)
Fan
Type Turbo Fan Turbo Fan
Motor Output W 55 55
Speed Steps 2 Steps 2 Steps
Air Direction Control Horizontal, Downward Horizontal, Downward
Running Current (Rated) A 0.57 0.52 0.71 0.65
Power Consumption (Rated) W 112 103 140 130
Power Factor % 86.1 86.0 85.5 86.2
Temperature Control Microcomputer Control Microcomputer Control
Dimensions (H × W × D) in. (mm) 11-1/4 × 22-5/8 × 22-5/8 (285 × 575 × 575) 11-1/4 × 22-5/8 × 22-5/8 (285 × 575 × 575)
Packaged Dimensions (H × W × D) in. (mm) 14-9/16 × 27-1/16 × 26-9/16 (370 × 687 × 674) 14-9/16 × 27-1/16 × 26-9/16 (370 × 687 × 674)
Weight (Mass) Lbs (kg) 38.6 (17.5) 38.6 (17.5)
Gross Weight (Gross Mass) Lbs (kg) 46 (21) 46 (21)
Sound Pressure
Level
H / L dB(A) 42.5 / 31.5 42.5 / 31.5 46.0 / 37.5 46.0 / 37.5
Heat Insulation Both Liquid and Gas Pipes Both Liquid and Gas Pipes
Piping
Connections
Liquid in. (mm)
φ
1/4
(
φ
6.4
)
φ
1/4
(
φ
6.4
)
Gas in. (mm)
φ
1/2
(
φ
12.7)
φ
1/2
(
φ
12.7)
Drain in. (mm) VP20 (O.D.
φ
1-1/32
(
φ
26) / I.D.
φ
25/32
(
φ
20) VP20 (O.D.
φ
1-1/32
(
φ
26) / I.D.
φ
25/32
(
φ
20)
Drawing No. 3D080628A 3D080629A
Conversion Formulae
kcal/h = kW × 860
Btu/h = kW × 3412
cfm = m³/min × 35.3