Midea DLCERAH12AAJ Manuals

Manuals and User Guides for Midea DLCERAH12AAJ. We have 1 Midea DLCERAH12AAJ manual available for free PDF download: Service Manual

Midea DLCERAH12AAJ Service Manual

Midea DLCERAH12AAJ Service Manual (73 pages)

DLCERA Series Outdoor Unit Single Zone Ductless System - Sizes 09 to 24

Brand: Midea | Category: Air Conditioner | Size: 9.29 MB

Table of Contents

Table of Contents
1
Introduction
1
Safety Considerations
1
Model/Serial Number Nomenclatures
2
- Outdoor Unit
  2
- Unit Sizes
  2
- Sizes 9K and 12K
  5
Dimensions
5
- Outdoor Unit Clearance
  8
- Clearances for Multiple Units
  8
Clearances
8
Equipment Damage Hazard
9
Electrical Data
9
Wiring
9
Refrigeration Cycle Diagrams
14
- Piping and Refrigerant Information
  15
- General Refrigerant Line Sizing
  15
Refrigerant Lines
15
- Using Vacuum Pump
  16
- Deep Vacuum Method
  16
- Triple Evacuation Method
  16
System Evacuation and Charging
16
- Main Protection
  17
- Display Function
  17
- Compressor Top Temperature Protection
  17
Electronic Functions
17
- Auto Fan Action in HEATING Mode
  18
- Compressor Running Rules
  18
- Outdoor Fan Running Rules
  18
- COOLING Mode
  18
- DEFROST Mode
  19
- DRY Mode
  19
- Low Indoor Room Temperature Protection
  19
- Forced Operation Function
  19
- Refrigerant Leak Detection
  20
- Point Check Function
  20
- Information Enquiry
  20
- Discharge Position
  22
- Safety
  22
- Electrolytic Capacitors
  22
Troubleshooting
22
Outdoor Unit Diagnostic Guides
23
- Size 12K (115V)
  24
- Size 09K−12K (208−230V)
  24
Pcb Diagrams
24
- Sizes 18K−24K (208−230V)
  25
- Indoor PCB
  26
- Outdoor PCB
  26
- EEPROM Parameter Error Diagnosis and Solution (E0/F4)
  26
Diagnosis and Solution
26
- Indoor / Outdoor Unit’s Communication Diagnosis and Solution (E1)
  27
- Test the DC Voltage
  28
- Test the Reactor Resistance
  28
- Zero Crossing Detection Error Diagnosis and Solution (E2)
  29
- Fan Speed Has Been out of Control Diagnosis and Solution (E3/F5)
  30
- Motor Connector
  31
- DC Motor Voltage Input and Output (Voltage: 220−240V~)
  31
- DC Motor Voltage Input and Output (Voltage : 115V~)
  31
- Refrigerant Leakage Detection Diagnosis and Solution (EC)
  33
- Overload Current Protection Diagnosis and Solution (F0)
  34
- P-V
  36
- P-U
  36
- P−W
  37
- N−U
  37
- N−V
  38
- N−W
  38
- Over Voltage or too Low Voltage Protection Diagnosis and Solution (P1)
  39
- Inverter Compressor Drive Error Diagnosis and Solution (P4)
  41
- Main Parts Check
  42
- Temperature Sensor Checking
  42
- Compressor Checking
  43
- Fan Motor
  44
- IPM Continuity Check
  44
- Cooling Chart
  45
- Pressure on Service Port
  45
- Heating Chart
  46
- Disassembly Instructions Sizes 12K (115V)
  47
- Panel Plate
  47
- Fan Assembly
  48
- Four-Way Valve
  52
- Compressor
  52
Appendix 1
70
Temperature Sensor Resistance Value Table for T5
71

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