GREE GRS-CQ12Pd/NaEM Manuals

Manuals and User Guides for GREE GRS-CQ12Pd/NaEM. We have 1 GREE GRS-CQ12Pd/NaEM manual available for free PDF download: Service Manual

GREE GRS-CQ12Pd/NaEM Service Manual

GREE GRS-CQ12Pd/NaEM Service Manual (130 pages)

Air-to-water Heat Pump Split Versati series

Brand: GREE | Category: Air Conditioner | Size: 9.76 MB

Table of Contents

Table of Contents
2
Product
6
Product Data
6
- Lineup
  6
  - Main Unit
    6
  - Water Tank
    7
- Nomenclature
  7
  - Main Unit
    7
- Product Features
  8
  - General
    8
  - Features
    8
- Operating Principle
  9
  - Schematic Diagram
    9
- Technical Data
  10
  - Parameter List
    10
  - Nominal Working Conditions
    14
  - Operation Range
    14
  - Electric Data
    14
  - Capacity Correction
    15
Outline Dimensions
16
- Outline Dimensions of Outdoor Unit
  16
- Outline Dimensions of Indoor Unit
  18
Explosive Views and Part Lists
19
Supply Scope
29
Design and Selection
31
Installation Example
31
Model Selection
33
- Speculations of Power Supply
  33
- Operation Conditions
  33
- Flowchart of Model Selection
  34
- Design Principle
  34
Selection of the Underfloor Coils
34
Quantity and Location of the Water Traps and Collectors
36
- Design Requirements on Loop Quantity for Circulation Water
  36
- Requirements on Installation of the Water Trap (Collector)
  38
Section of FCU
38
- FCU Type Selection
  38
- Matching of Capacity
  38
Selection of the Water Tank
39
- Specifications of the Water Tank
  39
- Volume Selection of the Water Tank
  39
Examples for Model Selection
40
Unit Control
43
Integral Control Concept
43
- Control Principle Diagram
  43
- Control Flowchart
  46
Main Control Logics
46
- Cooling
  46
  - Control to the Compressor
    46
  - Freeze Protection
    47
- Heating
  47
- Water Heating
  47
  - Water Heating by the Main Unit
    47
  - Water Heating by the Solar System
    48
- Shutdown
  48
- Control to the Compressor
  48
- Control to the Fan
  48
- Control to the 4-Way Valve
  49
- Control to the Water Pump
  49
- Control the Electrostatic Expansion Valve
  49
- Protection Control
  49
Controller
50
- External View
  50
  - Keys & Indicating Leds
    50
  - Standby Page and Homepage
    51
- Operation Instructions
  52
  - On/Off
    52
  - Function Setting
    53
  - Parameter Setting (Parameter Set)
    73
  - View
    76
  - General Setting
    81
  - Key Lock
    82
Unit Installation
84
Installation Guides
84
Filed Supplied Pipes and Valves
85
Service Tools
87
Instalaltion Instructions
88
- Installation Examples
  88
- Pre-Installation
  89
- Selection of Installation Location
  89
- Outline Dimension of Outdoor Unit
  90
- Installation Clearance Data
  92
- Outline Dimension of Indoor Unit
  92
- Installation Clearance Data
  93
- Installation of Water Tank
  93
- Electric Wiring
  96
- Wiring of the Terminal Board
  99
- Wiring of the 2-Way Valve
  101
- Wiring of The3-Way Valve
  102
- Wiring of Other Auxiliary Heat Sources
  103
- Wiring of the Gate-Controller
  103
- Wiring of the Remote Air Temperature Sensor
  104
- Wiring of the Thermostat
  105
- Wiring of the Control
  107
Commissioning and Trial Run
109
- Check before Startup
  109
- Test Run
  110
Test Operation & Troubleshooting & Maintenance
112
Trial Run
112
- Check for Wiring
  112
- Check for the Water System
  112
- Check for the Communication System
  112
- Trial Run
  113
Error Code List
113
Flow Chart of Troubleshooting
115
- Comp High-Pressure Protection E1
  115
- Comp Low- Pressure Protection E3
  116
- Comp Discharge Temp Protection E4
  117
- Overload Protection of Compressor or Driver Error
  118
- DC Fan Error EF
  119
- Temperature Sensor Error
  119
- Communication Malfunction E6
  120
- Capacity Switch Error (Code:"C5")
  121
Diagnosis of Driving
121
- Diagnosis Flowchart of Driving of Single-Phase Unit and Three-Phase Unit
  121
Daily Maintenance and Repair
126
- Daily Maintenance
  126
- Troubleshooting
  127
- Repair
  127
  - Key Components
    127
  - Charging and Discharging of Refrigerant
    129

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