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Midea Manuals
Air Conditioner
MEHS-09PSH1
Service manual
Midea MEHS-09PSH1 Service Manual
Mission 3d inverter series indoor/outdoor units
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Table Of Contents
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Safety Precaution
Warning
2 Model List
Model Names of Indoor/Outdoor Units
3 Dimension
Indoor Unit
Outdoor Unit
4 Refrigerant Cycle Diagram
5 Wiring Diagram
Indoor Unit
Mehs-09Psh1, Mehs-12Psh1
Mehsu-09Phh2, Mehsu-12Phh2
Outdoor Unit
Installation Details
Wrench Torque Sheet for Installation
Connecting the Cables
Pipe Length and the Elevation
Installation for the First Time
Adding the Refrigerant after Running the System for Many Years
Re-Installation While the Indoor Unit Need to be Repaired
Re-Installation While the Outdoor Unit Need to be Repaired
7 Operation Characteristics
8 Electronic Function
Abbreviation
Display Function
Main Protection
Operation Modes and Functions
Fan Mode
Cooling Mode
Compressor Running Rules
Evaporator Temperature Protection
Heating Mode
Outdoor Fan Running Rules
Indoor Fan Running Rules
Evaporator Coil Temperature Protection
Auto-Mode
Forced Operation Function
Drying Mode
Point Check Function
9 Troubleshooting
Safety
Indoor Unit Error Display
Outdoor Unit Error Display
Diagnosis and Solution
EEPROM Parameter Error Diagnosis and Solution
Indoor / Outdoor Unit’s Communication Diagnosis and Solution
Zero Crossing Detection Error Diagnosis and Solution (E2)
Fan Speed Has Been out of Control Diagnosis and Solution(E3)
DC Motor Voltage Input and Output(Voltage :115V~)
DC Motor Voltage Input and Output(Voltage: 220-240V~)
Indoor AC Fan Motor
Outdoor DC Fan Motor
Refrigerant Leakage Detection Diagnosis and Solution
Overload Current Protection Diagnosis and Solution(F0)
For 24K~36K
Over Voltage or too Low Voltage Protection Diagnosis and Solution
IPM Continuity Check
Error Code
Low Pressure Protection Diagnosis and Solution(P6)
Trouble Shooting
Main Parts Check
Temperature Sensor Checking
Temperature Sensor Resistance Value Table for T1,T2,T3,T4
Temperature Sensor Resistance Value Table for TP
Normal Voltage of P and N
Compressor Checking
Cooling Chart
Pressure on Service Port
Heating Chart
Disassembly Instructions
Indoor Unit
How to Remove the Electrical Parts
How to Remove the Evaporator
How to Remove the Fan Motor
Outdoor Unit
How to Remove the Fan Ass’y
How to Remove the Four-Way Valve
How to Remove the Compressor
How to Remove the Panel Plate
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Quick Links
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Indoor Unit Error Display
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Mission 3D Inverter Series
Service Manual 2016
MBSUL-A-1604
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Table of Contents
Troubleshooting
Troubleshooting
28
Low pressure protection diagnosis and solution(P6)
53
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This manual is also suitable for:
Mehs-12psh1
Mehsu-09phh2
Mehsu-24phh2
Mehsu-12phh2
Mehs-30psh2
Mehs-36psh2
...
Show all
Mchs-09psh1
Mchsu-09phh2
Mchsu-18phh2
Mchs-12psh1
Mchsu-24phh2
Mchsu-12phh2
Mehsu-18phh2
Mchs-30psh2
Mchs-36psh2
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