Multi Zone Air Conditioner
SVC MANUAL(Exploded View)
MODEL : A3UW243FA2 [MR24DY3JM]
CAUTION
Before Servicing the unit, read the safety
precautions in General SVC manual.
Only for authorized service personnel.
960-920-05
- 2 -
Only for training and service purposes
1. Specification
Note:
1. Capacities are based on the following conditions:
Cooling: - Indoor Temperature 26.7˚C(80˚F) DB/19.4˚C(67˚F)
- Outdoor Temperature 35˚C(95˚F) DB/23.9˚C(75˚F)
Heating: - Indoor Temperature 21.1˚C(70˚F) DB/15.6˚C(60˚F) WB
- Outdoor Temperature 8.3˚C(47˚F) DB/6.1˚C(43˚F) WB
Piping Length - Interconnecting Piping Length 7.5m(24.6 ft.)
- Level Difference of Zero
2. Wiring cable size must comply with the applicable local and national code.
3. The specification may be subject to change without prior notice for purpose of improvement.
4. For more Capacity(*),refer to the combination table
Conversion Formula
kW = Btu/h class X 0.0002931
cfm = CMM x 35.3
Power Supply V, Ø, Hz
Capacity(*) Btu/h class
Current Running Current A
Fan Motor Type
Fan Type
Motor Output(W) x No. of Unit
Air Flow Rate CMM
(H / M / L) CFM
External Static Pressure mmAq
Capacitor μF / Vac
Drive
Coil Row x Column x FPI
Dimensions Body mm(inch)
(W x H x D) Decorative Panel mm(inch)
Net Weight Body kg (lbs)
Decorative Panel kg (lbs)
Sound Level (H / M / L) dB(A)+3
Piping Liquid mm (inch)
Connections Gas mm (inch)
Drain(OD/ID) mm(inch)
Safety Devices
Referigerant
Referigerant Control
Transmission Interunit Cable No. x AWG
Model
Decoration Panel Name
AMNW12GTRA0[MC12Y3JM]
PT-UQC
AMNW18GTQA0[MC18Y3JM]
PT-UQC
Indoor unit type Ceilling Cassette - 4way
208/230, 1, 60 208/230, 1, 60
12,000 18,000
0.25 0.25
BLDC BLDC
Turbo Fan Turbo Fan
43 x 1 43 x 1
9.5 / 8.0 / 7.0 13.0 / 12.0 / 11.0
335 / 283 / 247 459 / 424 / 388
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--
Direct Drive Direct Drive
2R x 8C x 18 2R x 10C x 18
570 × 214 × 570 (22-7/16 x 8-7/16 x 22-7/16)
570 × 256 × 570 (22-7/16 x 10-3/32 x 22-7/16)
700 x 22 x 700 (27-9/16 x 7/8 x 27-9/16) 700 x 22 x 700 (27-9/16 x 7/8 x 27-9/16)
14.0 (30.9) 15.0 (33.1)
3.0 (6.6) 3.0 (6.6)
38/ 35/ 32 38/ 37/ 34
6.35 (1/4) 6.35 (1/4)
9.52 (3/8) 12.7 (1/2)
32.0(1-1/4) / 25.0(1) 32.0(1-1/4) / 25.0(1)
Fuse, thermal protector for fan motor Fuse, thermal protector for fan motor
R410A R410A
EEV(in Outdoor unit) EEV(in Outdoor unit)
4C x 18 4C x 18
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Only for training and service purposes
2. Piping Diagrams
Heat eHcHanger
Gas pipe connection por
t
(Hlare connection)
HiHuid pipe connection por
t
(Hlare connection)
Cooling
Heating
TurHo Han
Th3
Th1
Th2
LOC. Description PCB Connector
Th1 Thermistor for sunction air temperature CN_ROOM
Th2 Thermistor for evaporator inlet temperature CN_PIPE/IN
Th3 Thermistor for evaporator outlet temperature CN_PIPE/OUT
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