Gree GRSCQ10Pd/NhG2-M Manuals

Manuals and User Guides for Gree GRSCQ10Pd/NhG2-M. We have 1 Gree GRSCQ10Pd/NhG2-M manual available for free PDF download: Service Manual

Gree GRSCQ10Pd/NhG2-M Service Manual

Gree GRSCQ10Pd/NhG2-M Service Manual (137 pages)

Monobloc Type Air-to-water Heat Pump

Brand: Gree | Category: Heat Pump | Size: 15 MB

Table of Contents

Table of Contents
2
Product Data

5
- Lineup
  5
- Nomenclature
  7
- Product Features
  8
- Operating Principle
  11
- Technical Data
  12
Outline Dimensions

27
Explosive Views and Part Lists

28
Supply Scope

34
Model Selection

35
Installation Example

35
Model Selection

36
- Speculations of Power Supply
  36
- Operation Conditions
  37
- Flowchart of Model Selection
  37
- Design Principle
  37
Selection of the Underfloor Coils

37
Quantity and Location of the Water Traps and Collectors

39
- Design Requirements on Loop Quantity for Circulation Water
  39
- Requirements on Installation of the Water Trap (Collector)
  40
Section of FCU

41
- FCU Type Selection
  41
- Matching of Capacity
  41
Selection of the Water Tank

41
- Specifications of the Water Tank
  41
- Volume Selection of the Water Tank
  42
Examples for Model Selection

42
Control

45
Integral Control Concept

45
- Control Principle Diagram
  45
- Control Flowchart
  49
Main Control Logics

49
- Cooling
  49
- Heating
  50
- Water Heating
  52
- Shutdown
  52
- Control to the Compressor
  53
- Control to the Fan
  53
- Control to the 4-Way Valve
  53
- Control to the Water Pump
  53
- Control the Electrostatic Expansion Valve
  53
- Protection Control
  53
Control Panel

54
- General
  54
- Operation Instructions
  56
- Intelligent Control
  84
Unit Installation

93
Installation Guides

93
- Installation Position
  93
- Matters Need Attention
  94
Filed Supplied Pipes and Valves

94
Service Tools

95
Installation Instructions

96
- Installation Examples
  96
- Pre-Installation
  97
- Selection of Installation Location
  98
- Outline Dimension of Outdoor Unit
  98
- Installation of Monobolc Unit
  99
- Installation of Hydraulic Unit
  103
- Installation of Water Tank
  104
- Requirements on Water Quality
  109
- Electric Wiring
  109
- Wiring of the Terminal Board
  112
- Wiring of the 2-Way Valve
  114
- Wiring of Other Thermal
  114
- Wiring of Optional Electric Heater
  116
- Wiring of the Gate-Controller
  117
- Wiring of the Remote Air Temperature Sensor
  117
- Wiring of the Thermostat
  118
- Wiring of the Control
  119
Commissioning and Trial Run

120
- Check before Startup
  120
Test Operation & Troubleshooting & Maintenance

122
Trial Run

122
- Check for Wiring
  122
- Check for the Water System
  122
- Check for the Communication System
  122
Error Code List

122
Flow Chart of Troubleshooting

124
- Comp High-Pressure Protection E1
  124
- Comp Low- Pressure Protection E3
  125
- Comp Discharge Temp Protection E4
  125
- Overload Protection of Compressor or Driver Error
  126
- DC Fan Error EF
  126
- Temperature Sensor Error
  127
- Communication Malfunction E6
  127
- Capacity Switch Error (Code:"C5")
  128
Diagnosis of Driving

128
- Diagnosis Flowchart of Driving of Single-Phase Unit and Three-Phase Unit
  128
Daily Maintenance and Repair

132
- Daily Maintenance
  132
- Troubleshooting
  132
- Repair
  133
Positioning Drawing of the Water Pipes

136

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