Gree ER20000190 Manuals

Manuals and User Guides for Gree ER20000190. We have 1 Gree ER20000190 manual available for free PDF download: Service Manual

Gree ER20000190 Service Manual (98 pages)

Split Type High-temperature Versati Water Heater

Brand: Gree | Category: Water Heater | Size: 14 MB

Table of Contents
2
Product Data
5
Lineup
5
Nomenclature
5
Product Features
6
Operating Principle
8
Technical Data
9
Outline Dimensions
12
Outline Dimensions of the Outdoor Unit
12
Outline Dimensions of the Indoor Unit
13
Explosive Views and Part Lists
14
Supply Scope
17
Model Selection
18
Installation Example
18
Model Selection
19
Speculations of Power Supply
19
Operation Conditions
19
Flowchart of Model Selection
20
Design Principle
20
Selection of the Underfloor Coils
20
Calculation of Unit Load for Floor Heating
20
Selection of Tube Spacing of the Underfloor Coils
21
Selection of Loop Quantity of Coils for each Room
21
Quantity and Location of the Water Manifold
22
Design Requirements on Loop Quantity for Circulation Water
22
Requirements on Installation of the Water Manifold
23
Selection of FCU
24
FCU Type Selection
24
Matching of Capacity
24
Selection of the Water Tank
24
Specifications of the Water Tank
24
Volume Selection of the Water Tank
25
Examples for Model Selection
25
General Introduction to the Example Project
25
Heat Load Calculation
25
Model Selection
27
Control
28
Integral Control Concept
28
Control Principle Diagram
28
Control Flowchart
30
Main Control Logics
31
Cooling
31
Heating
31
Water Heating
31
Shutdown
32
Control to the Compressor
32
Control to the Fan
32
Control to the 4-Way Valve
33
Control to the Water Pump
33
Control the Electronic Expansion Valve
33
Protection Control
33
Control Panel
34
External View
34
Operation Instructions
36
Unit Installation
64
Installation Guides
64
Installation Position of the Outdoor Unit
64
Installation Positions of the Indoor Unit
65
Matters Need Attention
65
Field Supplied Pipes and Valves
65
Service Tools
66
Installation Instructions
67
Installation Examples
67
Pre-Installation
68
Selection of Installation Location
68
Outline Dimension of Outdoor Unit
69
Installation Clearance Data
70
Outline Dimension of Indoor Unit
70
Installation Clearance Data
71
Connection of Outlet Pipe for Indoor & Outdoor Unit
71
Installation of Protective Layer on the Connection Pipe
72
Electric Wiring
74
Wiring of the Terminal Board
76
Wiring of the 2-Way Valve
77
Wiring of Other Auxiliary Heat Sources
78
Wiring of the Gate-Controller
78
Wiring of the Remote Air Temperature Sensor
78
Wiring of the Thermostat
79
Wiring of the Control
80
Commissioning and Trial Run
81
Check before Startup
81
Trial Run
82
Test Operation & Troubleshooting & Maintenance
83
Precheck
83
Check for Wiring
83
Check for the Water System
83
Check for the Communication System
83
Trial Run
83
Error Code List
83
Flow Chart of Troubleshooting
86
Comp High-Pressure Protection E1
86
Comp Low- Pressure Protection E3
87
Comp Discharge Temp Protection E4
87
Overload Protection of Compressor or Driver Error
88
DC Fan Error EF
88
Temperature Sensor Error
89
Communication Malfunction E6
89
Capacity Switch Error (Code:"C5")
90
Diagnosis of Drive
90
Diagnosis Flowchart of Drive of Single-Phase Unit and Three-Phase Unit
90
Daily Maintenance and Repair
94
Daily Maintenance
94
Troubleshooting
94
Repair
95

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Gree ER20000190 Service Manual (98 pages)

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