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ERX125A7W1B
Daikin ERX125A7W1B - User Manual
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INSTALLATION MANUAL
ERX125A7W1B
ERX200A7W1B
ERX250A7W1B
Inver
ter condensing unit
2
Table of Contents
Main Page
Default Chapter
5
Default Chapter
5
Table of Contents
5
1 Introduction
6
Combination
6
2 Main Components
6
3 Selecting Installation Site
6
Standard Supplied Accessories
6
Technical and Electrical Specifications
6
4 Inspecting and Handling the Unit
7
5 Unpacking and Placing the Unit
7
6 Refrigerant Piping
8
Installation Tools
8
Selection of Piping Material
8
Pipe Connection
8
Connecting the Refrigerant Piping
9
Protection against Contamination When Installing Pipes
10
7 Leak Test and Vacuum Drying
10
8 Field Wiring
11
Internal Wiring - Parts Table
11
Power Circuit and Cable Requirements
12
General Cautions
12
System Examples
13
Leading Power Line and Transmission Line
13
Field Line Connection: Power Wiring
14
Wiring Example for Wiring Inside Unit
14
9 Pipe Insulation
14
10 Checking of Unit and Installation Conditions
15
11 Charging Refrigerant
15
Important Information Regarding the Refrigerant Used
15
Precautions When Adding R410A
15
Stop Valve Operation Procedure
15
Additional Refrigerant Charge
16
Checks after Adding Refrigerant
18
12 Before Operation
18
Service Precautions
18
Checks before Initial Start-Up
19
Field Setting
19
Test Operation
20
13 Service Mode Operation
22
14 Caution for Refrigerant Leaks
22
15 Disposal Requirements
23
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Daikin ERX125A7W1B Specifications
General
Category
Inverter
Model
ERX125A7W1B
Cooling Capacity
12.5 kW
Heating Capacity
14.0 kW
Power Supply
400V, 3 phase, 50Hz
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