Daikin REYQ-AATJA, Service Manual

Page: 31 / 495

SiUS372201EA Specifications
Part 1 General Information 24
Model name (Combination unit) REYQ264AATJA REYQ288AATJA
Model name (Independent unit)
REYQ120AATJA
REYQ144AATJA
REYQ144AATJA
REYQ144AATJA
Power supply 3 phase, 208/230 V, 60 Hz 3 phase, 208/230 V, 60 Hz

1 Cooling
capacity
Nominal
Btu/h
(kW)
264,000 (77.4) 288,000 (84.4)
Rated 252,000 (73.9) 274,000 (80.3)

2 Heating
capacity
Nominal
Btu/h
(kW)
297,000 (87.0) 324,000 (95.0)
Rated 282,000 (82.6) 294,000 (86.2)
Casing color Ivory white (5Y7.5/1) Ivory white (5Y7.5/1)
Dimensions: (H × W × D)
in. (mm)
65-3/8 × 48-13/16 × 30-1/8 + 65-3/8 × 48-13/16 × 30-1/8
(1,660 × 1,240 × 765 + 1,660 × 1,240 × 765)
65-3/8 × 48-13/16 × 30-1/8 + 65-3/8 × 48-13/16 × 30-1/8
(1,660 × 1,240 × 765 + 1,660 × 1,240 × 765)
Heat exchanger Cross fin coil Cross fin coil
Compressor Type Hermetically sealed scroll type Hermetically sealed scroll type
Volume m³/h (12.5 + 12.5) + (11.3 + 18.1) (10.8 + 17.3) + (10.8 + 17.3)
Number of
revolutions
r/min (5,892 + 5,892) + (5,334 + 5,334) (5,094 + 5,094) + (5,094 + 5,094)
Motor output kW (3.6 + 3.6) + (3.26 + 5.55) (3.11 + 5.31) + (3.11 + 5.31)
Starting method Soft start Soft start
Fan Type Propeller fan Propeller fan
Motor output ×
Number of units
kW 0.65 × 2 + 0.65 × 2 0.65 × 2 + 0.65 × 2
Airflow rate cfm
(m³/min)
8,965 (253.9) + 9,675 (274) 9,675 (274) + 9,675 (274)
Drive Direct drive Direct drive
Connecting
pipes
Liquid pipe in. (mm)

3/4 (19.1) C1220T (brazing connection)

3/4 (19.1) C1220T (brazing connection)
Suction gas pipe in. (mm)

1-3/8 (34.9) C1220T (brazing connection)

1-3/8 (34.9) C1220T (brazing connection)
High/Low pressure
gas pipe
in. (mm)

1-1/8 (28.6) C1220T (brazing connection)

1-1/8 (28.6) C1220T (brazing connection)
Weight lbs (kg) 712 (323) + 785 (356) 785 (356) + 785 (356)
Sound pressure level
(Reference data)
dB(A) 67 69
Sound power level
(Reference data)
dB 88 88
Safety devices High pressure switch, Fan driver overload protector,
Overcurrent fuse, Inverter overload protector,
Leak detecting device
High pressure switch, Fan driver overload protector,
Overcurrent fuse, Inverter overload protector,
Leak detecting device
Defrost method Deicer Deicer
Capacity control % 1-100 1-100
Refrigerant Refrigerant name R-410A R-410A
Charge lbs (kg) 25.8 (11.7) + 25.8 (11.7) 25.8 (11.7) + 25.8 (11.7)
Control Electronic expansion valve Electronic expansion valve
Standard accessories Installation manual, Operation manual,
Connection pipes, Clamps
Installation manual, Operation manual,
Connection pipes, Clamps
Drawing No. 4D134604A 4D134604A
Notes:

1.

2.
Indoor temp.: 80°FDB (26.7°CDB), 67°FWB (19.4°CWB) / Outdoor temp.: 95°FDB (35.0°CDB) / Rated capacity is certified under AHRI standard 1230.
Indoor temp.: 70°FDB (21.1°CDB) / Outdoor temp.: 47°FDB (8.3°CDB), 43°FWB (6.1°CWB) / Rated capacity is certified under AHRI standard 1230.