Haier 18VHJ(DB) Manuals

Manuals and User Guides for Haier 18VHJ(DB). We have 1 Haier 18VHJ(DB) manual available for free PDF download: Service Manual

Haier 18VHJ(DB) Service Manual

Haier 18VHJ(DB) Service Manual (117 pages)

Wall mounted Type DC Inverter E-Series

Brand: Haier | Category: Air Conditioner | Size: 11.88 MB

Table of Contents

Table of Contents
2
Introduction
4
Safety Cautions
4
Caution in Repair
4
Cautions Regarding Products after Repair
5
Inspection after Repair
7
Using Icons
8
Using Icons List
8
List of Functions
9
Specifications
10
Printed Circuit Board Connector Wiring Diagram
12
Indoor Unit Connectors
12
Pcb
13
Connectors
14
Outdoor Unit
16
Funcitions and Control
22
Main Functions and Control Specification of Indoor Unit
22
Temperature Adjusting Function
22
Main Functions
23
Special Functions
24
Powerful Running
24
Silent Running
25
Air Cleaning
25
Timed Running
25
Sleeping Function
26
Trial Running
26
Power Failure Compensation
26
Rated Operation
27
Main Functions and Control Specification of Outdoor Unit
28
Outdoor Unit Operation Frequency and Control
28
Outdoor Fan Control
29
Four-Way Valve Control
29
Outdoor Defrosting Control
29
PTC Output Control
30
System Protection Function
31
Outdoor Temperature Limit
32
Special Features
32
Fault Display and Treatment
32
Function of Main Thermistor
33
- Intdoor Unit
  34
- Room Sensor
  34
Value of Thermistor
34
- Pipe Sensor
  37
- Ambient Sensor, Suction Sensor, Defrosting Sensor
  41
- Discharging Sensor
  45
- System Configuration
  49
- Instruction
  49
- Parts and Functions
  50
- Indoor Unit
  50
- Remote Controller
  50
- Loading of the Battery
  50
- Clock Set
  51
- Base Operation
  51
- Emergency Operation and Test Operation
  51
- Sleep Operation
  52
- Power/Soft Operation
  52
- Health Operation
  52
- Health Airflow Operation
  53
- Timer On/Off On-Off Operation
  53
- Air Filter Cleaning
  54
- Maintenance
  54
- Replacement of Air Purifying Filter
  54
- For Smart Use of the Air Conditioner
  54
- Cautions
  55
- Trouble Shooting
  56
- Service Diagnosis
  57
- Problem Symptoms and Measures
  57
Caution for Diagnosis
57
Error Codes and Description Indoor Display
58
For 12K Indoor Unit
75
For 18K Indoor Unit
85
For 12/18K Outdoor Unit
94
- Removal of Fan and Fan Motor
  98
- Removal of Fan Motor Bracket and Partition
  100
- Removal of Computor and Heat Exchanger
  102
- Appendix
  104
- Piping Diagrams
  104
- Cooling Mode
  104
- Heating Mode
  104
- Wiring Diagrams
  105
- For 12K
  105
- For 18 K
  106
- Circuit Diagrams
  109
- Module Board Circuit Diagrams
  112
- Control Board Circuit Diagrams
  112

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