Midea Forest MOAA31-12CN1-NB8 Technical Manual
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Midea Forest MOAA31-12CN1-NB8 Technical Manual

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TM_AF_R410A_ONOFF_SA_NA_2008
FOREST R410A ONOFF CONTROL
TECHNICAL MANUAL

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Summary of Contents for Midea Forest MOAA31-12CN1-NB8

  • Page 1 TM_AF_R410A_ONOFF_SA_NA_2008 FOREST R410A ONOFF CONTROL TECHNICAL MANUAL...

  • Page 2: Table Of Contents

    Table of Contents Page 1. Specifications ....................3 Model Reference General Specifications Dimensional Drawings Electrical Wiring Diagrams Refrigerant Cycle Diagrams Capacity Tables Capacity Correction Factor for Height Difference Noise Criterion Curves Electrical Characteristics 2. Product Features ................... 28 Operation Modes and Functions Remote Controller Functions 3.

  • Page 3: Specifications

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

  • Page 4: Model Reference

    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 MOBA32-18CN1-NB8 MSAFC-18CRN1-NB8 1Φ, 220~230V~, 60Hz MOCA30-24CN1-NB8W MSAFD-24CRN1-NB8W ...

  • Page 5: General Specifications

    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 1850 2300 3500 Max. current 11.9 Starting current 28.5 41.9 58.0 Model ASM120N2UDZB PA170M2A-3FT6 PA225M2AS-3MT6 Type ROTARY ROTARY ROTARY Brand GMCC GMCC GMCC Capacity 3595/3650 5055/5155...
  • Page 6 Model YKT-21-6-10L YKT-48-6-206-6 YKT-63-6-200L Input 55.5 103.8 136.0 Insulation class Outdoor fan IP rating IPX4 IPX4 IPX4 motor Capacitor Capacitor class Speed r/min 810/720 Number of rows Tube pitch(a)x row 14.5x12.56 19.5x11.6 19.5x11.6 pitch(b) Fin spacing Fin type (code) Unhydrophilic aluminium Unhydrophilic aluminium Unhydrophilic aluminium Outdoor coil...

  • Page 7: Dimensional Drawings

    3. Dimensional Drawings Indoor Unit Capacity W(mm) D(mm) H(mm) 1040  Page 7 ...
  • Page 8 Outdoor Unit  Page 8 ...
  • Page 9  Page 9 ...
  • Page 10  Page 10 ...

  • Page 11: Electrical Wiring Diagrams

    4. Electrical Wiring Diagrams Indoor unit Abbreviation Paraphrase Yellow-Green Conductor Positive and Negative Ion Generator Capacitor PLASMA Electronic Dust Collector LIVE NEUTRAL Indoor Room Temperature Coil Temperature of Indoor Heat Exchanger 12k/18k  Page 11 ...
  • Page 12  Page 12 ...
  • Page 13 Outdoor Unit Abbreviation Paraphrase 4-WAY Gas Valve Assembly/4-WAY VALVE AC-FAN Alternating Current FAN DC-FAN Direct Current FAN COMP Compressor  Page 13 ...
  • Page 14  Page 14 ...

  • Page 15: Refrigerant Cycle Diagrams

    5. Refrigerant Cycle Diagrams Cooling only Pipe Size (Diameter:ø) Piping length (m/ft) Elevation (m/ft) mm(inch) Capacity(Btu/h). Additional Refrigerant Liquid Rated Max. Rated Max. 9.52(3/8) 6.35(1/4) 20/65.6 8/26.2 15g/m (0.16oz/ft) 12.7(1/2) 6.35(1/4) 5/16.4 25/82 10/32.8 15.9(5/8) 9.52(3/8) 25/82 10/32.8 30g/m (0.32oz/ft) ...

  • Page 16: Capacity Tables

    6. Capacity Tables Cooling ID WB 16.0 18.0 19.0 22.0 INDOOR OUT- (℃) AIRFLOW DOOR ID DB (CMH) DB(℃) 23.0 25.0 27.0 29.0 23.0 25.0 27.0 29.0 23.0 25.0 27.0 29.0 23.0 25.0 27.0 29.0 (℃) 3.57 3.59 3.59 3.61 3.79 3.85 3.85...
  • Page 17 ID WB 16.0 18.0 19.0 22.0 INDOOR OUT- (℃) AIRFLOW DOOR ID DB (CMH) DB(℃) 23.0 25.0 27.0 29.0 23.0 25.0 27.0 29.0 23.0 25.0 27.0 29.0 23.0 25.0 27.0 29.0 (℃) 3.70 3.70 3.73 3.76 3.90 3.90 3.90 3.93 4.02 4.02 4.02...
  • Page 18 ID WB 16.0 18.0 19.0 22.0 INDOOR OUT- (℃) AIRFLOW DOOR ID DB (CMH) DB(℃) 23.0 25.0 27.0 29.0 23.0 25.0 27.0 29.0 23.0 25.0 27.0 29.0 23.0 25.0 27.0 29.0 (℃) 5.30 5.30 5.30 5.30 5.62 5.74 5.74 5.74 5.79 5.79 5.79...
  • Page 19 ID WB 16.0 18.0 19.0 22.0 INDOOR OUT- (℃) AIRFLOW DOOR ID DB (CMH) DB(℃) 23.0 25.0 27.0 29.0 23.0 25.0 27.0 29.0 23.0 25.0 27.0 29.0 23.0 25.0 27.0 29.0 (℃) 5.54 5.54 5.60 5.65 5.88 5.88 5.88 5.88 6.05 6.05 6.05...
  • Page 20 ID WB 16.0 18.0 19.0 22.0 INDOOR OUT- (℃) AIRFLOW DOOR ID DB (CMH) DB(℃) 23.0 25.0 27.0 29.0 23.0 25.0 27.0 29.0 23.0 25.0 27.0 29.0 23.0 25.0 27.0 29.0 (℃) 7.09 7.08 7.08 7.08 7.51 7.66 7.66 7.66 7.74 7.74 7.74...
  • Page 21 ID WB 16.0 18.0 19.0 22.0 INDOOR OUT- (℃) AIRFLOW DOOR ID DB (CMH) DB(℃) 23.0 25.0 27.0 29.0 23.0 25.0 27.0 29.0 23.0 25.0 27.0 29.0 23.0 25.0 27.0 29.0 (℃) 7.40 7.40 7.49 7.58 7.83 7.83 7.83 7.83 8.06 8.06 8.06...

  • Page 22: Capacity Correction Factor For Height Difference

    7. Capacity Correction Factor for Height Difference Capacity(Btu/h) Pipe Length (m) Cooling 0.951 0.917 0.896 Indoor Upper than Outdoor 0.995 0.961 0.927 0.905 Height difference 1.000 0.966 0.931 0.910 H (m) 1.000 0.966 0.931 0.910 Outdoor Upper than Indoor 0.966 0.931 0.910 Capacity(Btu/h)

  • Page 23: Noise Criterion Curves

    8. Noise Criterion Curves Indoor Unit 0.8m Microphone Notes: -Sound measured at 1.0m away from the center of the unit. -Data is valid at free field condition -Data is valid at nominal operation condition -Reference acoustic pressure OdB = 20µPa -Sound level will vary depending on a range of factors such as the construction -(acoustic absorption coefficient) of particular room in which the equipment is installed.
  • Page 24  Page 24 ...
  • Page 25 Outdoor Unit Note: H= 0.5 × height of outdoor unit Notes: -Sound measured at 1.0m away from the center of the unit. -Data is valid at free field condition -Data is valid at nominal operation condition -Reference acoustic pressure OdB=20µPa -Sound level will vary depending on arrange off actors such as the construction (acoustic absorption coefficient) of particular room in which the equipment is installed.
  • Page 26 Cooling Cooling NC-70 NC-70 NC-60 NC-60 NC-50 NC-50 NC-40 NC-40 NC-30 NC-30 1000 2000 4000 8000 1000 2000 4000 8000 Band Center Frequency /Hz Band Center Frequency /Hz Cooling NC-70 NC-60 NC-50 NC-40 NC-30 1000 2000 4000 8000 Band Center Frequency /Hz ...

  • Page 27: Electrical Characteristics

    9. Electrical Characteristics Units Power Supply Compressor Model Phase Voltage TOCA 7.125 28.5 5.55 0.021 0.288 220-230 min:198 10.5 11.9 41.9 8.05 0.048 0.45 max:253 14.25 58.0 10.55 0.063 Notes: MCA: Minimum Circuit Amperes (A) TOCA: Total Over-current Amps. (A) MFA: Maximum Fuse Amperes (A) MSC: Maximum Starting Current RLA: Rated Load Amperes (A)

  • Page 28: Product Features

    Product Features Contents Operation Modes and Functions ................29 Display Function ..................29 Abbreviation ....................30 Safety Features ....................30 Fan Mode ....................30 Cooling Mode .....................30 Heating Mode(Heat Pump Units) ..............30 Auto-mode ....................31 Drying Mode ....................31 Forced Operation Function ................31 1.10 Auto-Restart Function ..................31 1.11 Refrigerant Leakage Detection ..............32 1.12 Self clean(Optional) ..................32 1.13 Follow me(Optional) ..................32...

  • Page 29: Operation Modes And Functions

    1. Operation Modes and Functions Display Function Unit display functions fresh defrost run timer fresh defrost run timer fresh defrost run timer Display A Display B Display C Display D Display E Display F Display Function Fresh(available on select units only) fresh or Defrost defrost or...

  • Page 30: Abbreviation

    Abbreviation • The outdoor fan and compressor are stopped. • Temperature control is disabled and no temperature Unit element abbreviations setting is displayed. • The indoor fan speed can be set to high, medium, low, Abbreviation Element or auto. Indoor room temperature •...

  • Page 31: Auto-Mode

    1.6.3 Outdoor Fan Control • AC will run in auto mode in the below cases: • Pressing the forced auto button. For on-off models, outdoor units just have one single fan speed. The operation of outdoor fan is consistent with the •...

  • Page 32: Refrigerant Leakage Detection

    2. Remote Controller Functions temperature set to 24°C. • If there is a power failure while the unit is running, the compressor starts 3 minutes after the unit restarts. If Infrared Wireless Remote Controller the unit was already off before the power failure, the compressor starts 1 minute after the unit restarts.
  • Page 33 stop. 5. RESET Button (inner located): Once the recessed RESET button is pressed, all of the current settings will be cancelled and the controller will return to the initial settings. 6. AIR DIRECTION Button: Press this button to change the swing angle of the louver.
  • Page 34 Installation Contents Accessories ........................35 Installation Overview ..................36 Location Selection ....................37 Indoor Unit Installation ..................39 Outdoor Unit Installation ..................44 Refrigerant Pipe Installation ................45 Vacuum Drying and Leakage Checking ..............47 Additional Refrigerant Charge ................48 Electrical and Gas Leak Checks ................48 Test Operation .....................49...

  • Page 35: Accessories

    Accessories Name Shape Quantity Mounting plate Clip anchor 5~8(depending on models) Mounting plate fixing screw ST3.9 X 25 5~8(depending on models) Remote controller Mode ON/OFF Timer Follow Self TurboI clean Fixing screw for remote controller holder ST2.9 x Optional Parts Remote controller holder Dry battery AAA.LR03 Seal...

  • Page 36: Installation Overview

    1. Installation Overview Installation Order 15cm (5.9in) 12cm 12cm (4.75in) (4.75in) 2.3m (90.55in) Select Installation Location Determine Wall Hole Position Attach Mounting Plate Drill Wall Hole  Page 36 ...

  • Page 37: Location Selection

    Connect Piping Prepare Refrigerant Connect Wiring piping W rap Piping and Cable (not applicable for some locations in the US ) STEP Mount Indoor Unit  Page 37 ...
  • Page 38 2. Location selection Unit location selection can refer to installation manual. DO NOT install the unit in the following locations: • Where oil drilling or fracking is taking place. • Coastal areas with high salt content in the air. • Areas with caustic gases in the air, such as near hot springs.

  • Page 39: Indoor Unit Installation

    3. Indoor Unit Installation Correct orientation of Mounting Plate Service space for indoor unit 15cm (5.9in) or more For Forest series: 12cm (4.75in) 12cm (4.75in) or more or more 398mm(15.98in) 241mm(9.48in) 228.5mm(8.99in) Indoor unit outline 2.3m (90.55in) or more Right rear wall Left rear wall hole 65mm (2.5in) hole 65mm (2.5in)
  • Page 40 3. Place the protective wall cuff in the hole. This protects the edges of the hole and will help seal it when you finish the installation process. NOTE: When drilling the wall hole, make sure to avoid wires, plumbing, and other sensitive components. Wall Indoor Outdoor...
  • Page 41 Connect signal and power cable 3.6.1 Before performing electrical work, read these regulations 1. All wiring must comply with local and national electrical codes, and must be installed by a licensed electrician. CORRECT CORRECT NOT CORRECT NOT CORRECT 2. All electrical connections must be made according to Make sure there are no kinks Make sure there are no kinks Kinks in the drain hose...
  • Page 42 • Signal Cable: H07RN-F use the cable clamp to fasten the signal cable to the unit. Screw the cable clamp down tightly. Table: Minimum Cross-Sectional Area able of Power and Signal Cables 9. Replace the wire cover on the front of the unit, and the plastic panel on the back.
  • Page 43 3. Using insulation tape, wrap the signal wire, refrigerant smaller than the holes on the back of the unit. If you find pipes, and drain hose tightly together. Double-check that that you don’t have ample room to connect embedded all items are bundled in accordance with the picture above. pipes to the indoor unit, the unit can be adjusted left or right by about 30-50mm (1.25-1.95in), depending on the NOTE:...

  • Page 44: Outdoor Unit Installation

    4. Outdoor unit installation(Side Never hold the inlet of the outdoor unit to prevent it from deforming. Discharge Unit) Do not touch the fan with hands or other objects. Service space for outdoor unit Do not lean it more than 45, and do not lay it sidelong. Make concrete foundation according to the specifications of the outdoor units.

  • Page 45: Refrigerant Pipe Installation

    5. Refrigerant Pipe Installation Maximum length and drop height Ensure that the length of the refrigerant pipe, the number of bends, and the drop height between the indoor and Base pan hole of outdoor units meets the requirements shown in the outdoor unit following table.
  • Page 46 A (mm/inch) Outer diameter of pipe (inch(mm)) 1.3/0.05 1/4" (6.35) 0.7/0.0275 3/8" (9.52) 1.0/0.04 1.6/0.063 1.8/0.07 1/2" (12.7) 1.0/0.04 5/8" (15.9) 2.0/0.078 2.2/0.086 3/4" (19) 2.0/0.078 2.4/0.094 • After flared the pipe, the opening part must be seal by end cover or adhesive tape to avoid duct or exog- enous impurity come into the pipe.

  • Page 47: Vacuum Drying And Leakage Checking

    6. Vacuum Drying and Leakage water might penetrated into pipeline. Checking 3. Construction period is long, and rain water might penetrated into pipeline. Purpose of vacuum drying 4. Rain water might penetrate into pipeline during construction. • Eliminating moisture in system to prevent the phe- nomena of ice-blockage and copper oxidation.

  • Page 48: Additional Refrigerant Charge

    7. Additional Refrigerant Charge 8. Electrical and Gas Leak Checks • After the vacuum drying process is carried out, the additional refrigerant charge process need to be Electrical Safety Checks performed. • After installation, confirm that all electrical wiring is The outdoor unit is factory charged with refrigerant.

  • Page 49: Test Operation

    9. Test Operation 5. After the Test Run is successfully completed, and you confirm that all checks points in List of Checks to Perform have PASSED, do the following: Before test run: • Using remote control, return unit to normal operating Only perform test run after you have completed the temperature.

This manual is also suitable for:

Forest msafb-12crn1-nb8Forest moba32-18cn1-nb8Forest msafc-18crn1-nb8Forest moca30-24cn1-nb8wForest msafd-24crn1-nb8w

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