Midea Forest MOAA31-12CN1-NB8 User manual

FOREST R410A ONOFF CONTROL
TM_AF_R410A_ONOFF_SA_NA_2008
TECHNICAL MANUAL

Table of Contents Page
1. Specifications ................................................................................................ 3
1. Model Reference
2. General Specifications
3. Dimensional Drawings
4. Electrical Wiring Diagrams
5 Refrigerant Cycle Diagrams
6. Capacity Tables
7. Capacity Correction Factor for Height Difference
8. Noise Criterion Curves
9. Electrical Characteristics
2. Product Features ........................................................................................... 28
1. Operation Modes and Functions
2. Remote Controller Functions
3. Installation .................................................................................................... 34
1. Installation Overview
2. Location Selection
3. Indoor Unit Installation
4. Outdoor Unit Installation
5. Refrigerant Pipe Installation
6. Vacuum Drying and Leakage Checking
7. Additional Refrigerant Charge
8. Electrical and Gas Leak Checks
9. Test Operation

Contents
1. Model Reference....................................................................................................4
2. General Specifications...........................................................................................5
3. Dimensional Drawings ..........................................................................................7
4. Electrical Wiring Diagrams..................................................................................11
5 Refrigerant Cycle Diagrams ................................................................................15
6. Capacity Tables ....................................................................................................16
7. Capacity Correction Factor for Height Difference .............................................22
8. Noise Criterion Curves.........................................................................................23
9. Electrical Characteristics......................................................................................27
Specifications

Specifications
Page 4 
1. Model Reference
Refer to the following table to determine the specific indoor and outdoor unit model number of your purchased
equipment.
Outdoor Unit Model Indoor Unit Model Capacity (Btu/h) Power Supply
MOAA31-12CN1-NB8 MSAFB-12CRN1-NB8 12k
1Φ, 220~230V~, 60HzMOBA32-18CN1-NB8 MSAFC-18CRN1-NB8 18k
MOCA30-24CN1-NB8W MSAFD-24CRN1-NB8W 24k

Specifications
Page 5 
2. General Specifications
Model MSAFB-12CRN1-NB8 MSAFC-18CRN1-NB8 MSAFD-24CRN1-NB8W
Power supply V- Ph-Hz 220~230-1-60 220~230-1-60 220~230-1-60
Max. input consumption W 1850 2300 3500
Max. current A 9.0 11.9 17
Starting current A 28.5 41.9 58.0
Compressor
Model ASM120N2UDZB PA170M2A-3FT6 PA225M2AS-3MT6
Type ROTARY ROTARY ROTARY
Brand GMCC GMCC GMCC
Capacity W 3595/3650 5055/5155 6650/6715
Input W 1140/1140 1645/1660 2180//2240
Rated current(RLA) A 5.55/5.10 8.05/7.35 10.55/10.05
Locked rotor
Amp(LRA) A28.5 41.9 58
Thermal protector HPA -622 UP3-64 /
Thermal protector
position INTERNAL INTERNAL INTERNAL
Capacitor uF 40.0 40.0 55.0
Capacitor class P2 P2 P2
Refrigerant oil/oil
charge ml VG74/300 VG74/420 ESTER OIL VG74/620
Indoor fan
motor
Model YKFG-20-4-10L YKFG-28-4-6-5 YKFG-45-4-13
Input W 47.4 58.5 89.0
Insulation class E E B
IP rating IPX0 IPX0 IPX0
Capacitor uF 1.5 1.5 3
Capacitor class P2 P2 P2
Speed(Hi/Mi/Lo) r/min 1150/950/800 1180/1000/800 1200/1000/900
Indoor coil
Number of rows 2.0 2.0 2.0
Tube pitch(a)x row
pitch(b) mm 19.5x11.6 21x13.37 21x13.37
Fin spacing mm 1.2 1.2 1.3
Fin type (code) Hydrophilic aluminum Hydrophilic aluminum Hydrophilic aluminum
Tube outside dia.and
type mm Ф5,Inner groove tube Φ7,Inner groove tube Ф7,Inner groove tube
Coil length x height x
width mm 595x78x23.2+595x117x23.
2+595x78x23.2
750x189x26.74+
750x105x26.74
780x210x26.74+
780x105x26.74
Number of circuits 434
Indoor air flow (Hi/Mi/Lo) m3/h 593/482/388 781/669/508 1050/850/700
Indoor sound pressure level (Hi/Mi/Lo) dB(A) 39/34/29 41.5/37/33.5 46.5/42.0/37.0
Indoor unit
Dimension(W*D*H) mm 805x194x285 957x213x302 1040x220x327
Packing (W*D*H) mm 870x270x365 1035x295x385 1120x405x310
Net/Gross weight Kg 8.1/10.2 10.3/13.4 13/16

Specifications
Page 6 
Outdoor fan
motor
Model YKT-21-6-10L YKT-48-6-206-6 YKT-63-6-200L
Input W 55.5 103.8 136.0
Insulation class B B B
IP rating IPX4 IPX4 IPX4
Capacitor uF 1.5 3 3
Capacitor class P2 P2 P2
Speed r/min 870 880 810/720
Outdoor coil
Number of rows 1.0 1.0 1.0
Tube pitch(a)x row
pitch(b) mm 14.5x12.56 19.5x11.6 19.5x11.6
Fin spacing mm 1.2 1.2 1.2
Fin type (code) Unhydrophilic aluminium Unhydrophilic aluminium Unhydrophilic aluminium
Tube outside dia.and
type mm Ф5,Inner groove tube Ф5,Inner groove tube Ф5,Inner groove tube
Coil length x height x
width mm 675x406x12.56 760x507x11.6 778x663x11.6
Number of circuits 2 2 3
Outdoor air flow m3/h 1295 2091 2884
Outdoor sound pressure level dB(A) 53 56.5 60.0
Outdoor unit
Dimension(W*D*H) mm 681x285x434 770x300x555 845x363x702
Packing (W*D*H) mm 795x345x505 900x348x625 965x395x775
Net/Gross weight Kg 23.7/25.6 33.4/35.8 42.3/45.3
Refrigerant Type R410A R410A R410A
Charged quantity Kg 0.46 0.56 0.91
Design pressure MPa 4.2/1.5 4.2/1.5 4.2/1.5
Refrigerant
piping
Liquid side/ Gas side mm(inch) Φ6.35/Φ9.52(1/4"/3/8") Φ6.35/Φ12.7(1/4"/1/2") Φ9.52/Φ15.9(3/8”/5/8”)
Max. refrigerant pipe
length m20 25 25
Max. difference in
level m8 10 10
Connection wiring 1.5x3Core 2.5x3Core 1.0x4Core
Plug type 16#x3/SP008 1.5x3/no-plug 1.5x3/no-plug
Thermostat type Remote Control Remote Control Remote Control
Operation temperature 17-30 17-30 17-30
Ambient tem-
perature
Indoor(cooling/ heat-
ing) °C 17-32/- 17-32/- 17-32/-
Outdoor(cooling/heat-
ing) °C 18-43/- 18-43/- 18-43/-
Qty’per 20’ /40’ /40’HQ 124/267/300 86/180/208 64/136/146
Notes:
1) Capacities are based on the following conditions:
Cooling(T1): - Indoor Temperature 27°C(80.6°F) DB /19 °C(66.2°F) WB
-Outdoor Temperature 35 °C(95°F) DB /24 °C(75.2°F) WB
-Interconnecting Piping Length 5m
- Level Difference of Zero.
2) Capacities are Net Capacities.
3) Due to our policy of innovation some specifications may be changed without notification.

Specifications
Page 7 
3. Dimensional Drawings
3.1 Indoor Unit
W
H
D
Capacity W(mm) D(mm) H(mm)
12k 805 194 285
18k 957 213 302
24k 1040 220 327

Specifications
Page 8 
3.2 Outdoor Unit
12k

Specifications
Page 9 
18k

Specifications
Page 10 
24k