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EKHBRD-ACY1
Daikin EKHBRD-ACY1 - User Manual
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INSTALLATION MANUAL
EKHBRD011ABV1
EKHBRD014ABV1
EKHBRD016ABV1
EKHBRD011ABY1
EKHBRD014ABY1
EKHBRD016ABY1
EKHBRD011A
CV1
EKHBRD014A
CV1
EKHBRD016A
CV1
EKHBRD011A
CY1
EKHBRD014A
CY1
EKHBRD016A
CY1
Indoor unit for air to water heat pump system
2
Table of Contents
Main Page
Table of Contents
4
Introduction
4
General Information
4
Scope of this Manual
5
Model Identification
5
Typical Application Examples
5
Application Examples with Only 1 Heat Emitter
5
And 1 Heat Source (EKHBRD Unit)
5
Application Examples with 2 or more Different Heat Emitters and 1 Heat Source (EKHBRD Unit)
7
Application Examples with 2 Different Heat Sources (Auxiliary Boiler + EKHBRD Unit)
8
Design of the Hydraulic System
9
Accessories
10
Accessories Supplied with this Unit
10
Overview of the Indoor Unit
10
Main Components
10
Switch Box Main Components
11
Functional Diagram
11
Installation of the Indoor Unit
12
Selecting an Installation Location
12
Dimensions and Service Space
12
Inspecting and Handling the Unit
12
Installing the Indoor Unit
12
Piping Connection Work
15
Refrigerant Piping Work
15
Guidelines for Flare Connection
15
Water Piping Work
15
Checking the Water Circuit
15
Checking the Water Volume and Expansion Vessel Pre-Pressure
16
Setting the Pre-Pressure of the Expansion Vessel
17
Connecting the Water Circuit
17
Precautions When Connecting Field Piping and Regarding Insulation
17
Charging Water
17
Method for Adding Water
17
Electrical Wiring Work
18
Precautions on Electrical Wiring Work
18
Internal Wiring - Parts Table
18
System Overview of Field Wiring
19
Connection of the Indoor Unit Power Supply and Communication Cable(S)
19
Installation of the Remote Controller
20
Connection to a Benefit Kwh Rate Power Supply
20
Start-Up and Configuration
22
Pre-Operation Checks
22
Field Settings
22
Procedure
23
Detailed Description
23
Simultaneous Demand of Space Heating and Domestic Water Heating
29
Multiple Set Point Control
32
Field Settings Table
35
Final Check and Test Run
37
Final Check
37
Test Run
37
Temperature Read-Out Mode
37
Procedure for Space Heating
37
Procedure for Domestic Water Heating
37
Maintenance and Service
38
Maintenance Activities
38
Troubleshooting
38
General Guidelines
38
Opening the Unit
39
General Symptoms
39
Error Codes
40
Unit Specifications
41
Technical Specifications
41
Electrical Specifications
41
Annex
42
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Daikin EKHBRD-ACY1 Specifications
General
Category
Air Conditioner
Cooling Capacity
2.5 kW
Heating Capacity
3.2 kW
Refrigerant
R32
Power Supply
220-240V, 50Hz
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