Grunaire GSU241HX Manuals

Manuals and User Guides for Grunaire GSU241HX. We have 1 Grunaire GSU241HX manual available for free PDF download: Service Manual

Grunaire GSU241HX Service Manual

Grunaire GSU241HX Service Manual (72 pages)

DC Inverter Multi-Split Air-Condition Unit

Brand: Grunaire | Category: Air Conditioner | Size: 2.28 MB

Table of Contents

Service Manual
1
Table of Contents
2
Main Features
3
Introduction
3
- Outdoor Unit Data
  4
- DC Invertor 1:1
  4
Product Data Sheet
4
- Specifications
  6
- Operating Limits
  13
Rating Conditions
13
Outline Dimensions
14
- Indoor Units Capacity
  18
- Cooling Capacity
  18
Performance Data
18
Electrical Data
30
Wiring Diagrams
32
Refrigeration Diagrams
36
Tubing Connections
39
- Control System
  40
- Function of Inverter Indoor Unit
  40
- Operating Mode
  42
- Heating
  43
- Timer and Sleep
  44
- Auto Mode
  44
- Ventilation
  44
- Air Flow Control
  45
- Turbo Function
  45
- Protection
  45
- Sound Indication
  46
- Display
  46
- Fault Display of Indoor Unit
  46
- Fault Display of Outdoor Unit
  46
- Other Function
  46
- Test Model
  47
- Function of Dual DC Inverter Type
  48
- Input & Output of Outdoor Controller
  48
- System Frame Drawing
  48
- Major Performance Index
  48
- Operation in Cooling Mode
  49
- Control of Expansion Valve in Cooling Mode
  49
- Control of Compressor’s Frequency
  49
- Control of Fan Motor in Cooling Mode
  49
- Operation in Heating Mode
  50
- Control of Fan Motor in Heating Mode
  50
- Control of Reverse Valve
  50
- Operation in Dehumidify Mode
  50
- Defrost of Heating Mode
  51
- Defrost Start Condition
  51
- Defrost End Condition
  51
- Interval Time of Defrost
  51
- Operation Mode Control of Outdoor Unit
  52
- Protect Function
  52
- Oil Return Circle Period
  52
- Control of Oil Return Circle
  52
- Leakage or Reverse Valve Fault
  53
- High Temp. Protection of Compressor Discharge
  53
- High Temp. Protection of Middle Coil Pipe of Condenser
  53
- High Temp. Protection of Indoor Coil Pipe
  53
- DC Voltage of Wire Protection
  54
- Outdoor Unit Fault of Indoor Unit Display
  54
- Air Conditioner Failures and Corrective Actions
  55
12. Troubleshooting
55

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