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MSMBB-12CRDN1-MP0W
Midea MSMBB-12CRDN1-MP0W User Manual
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Table of Contents
Default Chapter
2
Table of Contents
2
Safety Precaution
3
Warning
3
2 Part Names
6
Model Names of Indoor/Outdoor Units
6
Part Names of Indoor/Outdoor Units
7
3 Dimension
8
Indoor Unit
8
Outdoor Unit
10
4 Refrigerant Cycle Diagram
11
5 Printed Circuit Board Connector Wiring Diagram of Outdoor Unit
12
Installation Details
14
Wrench Torque Sheet for Installation
14
Connecting the Cables
14
Pipe Length and the Elevation
14
Installation for the First Time
15
Air Purging with Vacuum Pump
15
Air Purging by Refrigerant
15
Adding the Refrigerant after Running the System for Many Years
16
Procedure When Servicing the Indoor Unit Refrigeration Circuit
16
Refrigerant Charging
18
Discharge the Refrigerant
18
Evacuation after Servicing the Outdoor Unit Refrigeration Circuit
18
7 Operation Characteristics
20
8 Electronic Function
21
Abbreviation
21
Display Function
21
WIFI Control Display(Optional)
21
Main Protection
22
Open Condition
22
Indoor Fan Delayed Open Function
22
Compressor Preheating Functions
22
Operation Modes and Functions
23
Fan Mode
23
Indoor Fan Running Rules
23
Cooling Mode
23
Auto-Mode
24
Drying Mode
24
Auto-Restart Function
24
Forced Operation Function
24
Point Check Function
26
9 Troubleshooting
28
Electrolytic Capacitors
28
Indoor Unit Error Display
29
Outdoor Unit Error Display
30
Diagnosis and Solution
33
EEPROM Parameter Error Diagnosis and Solution
33
Indoor PCB
33
Outdoor PCB(18K Model)
33
Indoor / Outdoor Unit’s Communication Diagnosis and Solution
34
Zero Crossing Detection Error Diagnosis and Solution
36
Fan Speed Has Been out of Control Diagnosis and Solution(E3)
37
DC Motor Voltage Input and Output
38
Indoor AC Fan Motor
38
Indoor or Outdoor DC Fan Motor
38
Outdoor DC Fan Motor
38
Refrigerant Leakage Detection Diagnosis and Solution(EC)
41
Overload Current Protection Diagnosis and Solution(F0)
42
Over Voltage or too Low Voltage Protection Diagnosis and Solution(P1)
47
High Temperature Protection of Compressor Top Diagnosis and Solution
48
Main Parts Check
50
Temperature Sensor Checking
50
Temperature Sensor Resistance Value Table
51
Compressor Checking
54
IPM Continuity Check
55
Cooling Chart
56
Pressure on Service Port
56
Heating Chart
57
Disassembly Instructions
58
How to Remove the Front Panel
58
Indoor Unit
58
How to Remove the Electrical Parts
59
How to Remove the Evaporator
60
How to Remove the Fan Motor
61
Outdoor Unit
62
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Midea MSMBB-12CRDN1-MP0W Specifications
General
Brand
Midea
Model
MSMBB-12CRDN1-MP0W
Category
Air Conditioner
Language
English
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