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Altherma EHVH04S23DAV
Daikin Altherma EHVH04S23DAV User Manual
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Installer reference guide
Daikin Altherma – Low temperature split
English
Installer reference guide
Daikin Altherma – Low temperature split
ERGA04DAV3(A)
ERGA06DAV3(A)
ERGA08DAV3(A)
EHVH04S23DAV(G)
EHVH08S23DAV(G)
2
Table of Contents
Table of Contents
2
General Safety Precautions
3
About the Documentation
3
Meaning of Warnings and Symbols
3
For the Installer
4
General
4
Installation Site
4
Refrigerant
4
Brine
5
Water
5
Electrical
6
About the Documentation
6
About this Document
6
Installer Reference Guide at a Glance
7
About the Box
7
Overview: about the Box
7
Installation
7
Outdoor Unit
7
To Unpack the Outdoor Unit
7
To Handle the Outdoor Unit
7
To Remove the Accessories from the Outdoor Unit
8
Indoor Unit
8
To Unpack the Indoor Unit
8
To Handle the Indoor Unit
8
About the Units and Options
9
Overview: about the Units and Options
9
Identification
9
Identification Label: Outdoor Unit
9
Identification Label: Indoor Unit
9
Combining Units and Options
9
Possible Options for the Outdoor Unit
9
Possible Options for the Indoor Unit
9
Possible Combinations of Indoor Unit and Outdoor Unit
10
Application Guidelines
10
Overview: Application Guidelines
10
Setting up the Space Heating System
11
Single Room
11
Multiple Rooms - One LWT Zone
12
Multiple Rooms - Two LWT Zones
14
Setting up an Auxiliary Heat Source for Space Heating
15
Setting up the Domestic Hot Water Tank
16
System Layout - Integrated DHW Tank
16
Selecting the Volume and Desired Temperature for the DHW Tank
16
Setup and Configuration - DHW Tank
17
DHW Pump for Instant Hot Water
17
DHW Pump for Disinfection
17
Setting up the Energy Metering
18
Produced Heat
18
Consumed Energy
18
Normal Kwh Rate Power Supply
18
Preferential Kwh Rate Power Supply
19
Setting up the Power Consumption Control
19
Permanent Power Limitation
19
Power Limitation Activated by Digital Inputs
20
Power Limitation Process
20
Setting up an External Temperature Sensor
21
Preparation
21
Overview: Preparation
21
Preparing the Installation Site
21
Installation Site Requirements of the Outdoor Unit
21
Additional Installation Site Requirements of the Outdoor Unit in Cold Climates
22
Installation Site Requirements of the Indoor Unit
23
Preparing Refrigerant Piping
25
Refrigerant Piping Requirements
25
Refrigerant Piping Insulation
25
Preparing Water Piping
25
Water Circuit Requirements
25
Formula to Calculate the Expansion Vessel Pre-Pressure
26
To Check the Water Volume and Flow Rate
26
Changing the Pre-Pressure of the Expansion Vessel
27
To Check the Water Volume: Examples
28
Preparing Electrical Wiring
28
About Preparing Electrical Wiring
28
About Preferential Kwh Rate Power Supply
28
Overview of Electrical Connections Except External Actuators
29
Overview of Electrical Connections for External and Internal Actuators
29
Overview: Installation
29
Opening the Units
30
About Opening the Units
30
To Open the Outdoor Unit
30
To Open the Indoor Unit
30
To Open the Switch Box Cover of the Indoor Unit
30
To Lower the Switch Box on the Indoor Unit
31
Mounting the Outdoor Unit
31
About Mounting the Outdoor Unit
31
Precautions When Mounting the Outdoor Unit
31
To Provide the Installation Structure
31
To Install the Outdoor Unit
32
To Provide Drainage
33
To Prevent the Outdoor Unit from Falling over
34
Mounting the Indoor Unit
34
About Mounting the Indoor Unit
34
Precautions When Mounting the Indoor Unit
34
To Install the Indoor Unit
34
To Connect the Drain Hose to the Drain
34
Connecting the Refrigerant Piping
35
About Connecting the Refrigerant Piping
35
Precautions When Connecting the Refrigerant Piping
35
Guidelines When Connecting the Refrigerant Piping
36
Pipe Bending Guidelines
36
To Flare the Pipe End
36
To Braze the Pipe End
36
Using the Stop Valve and Service Port
36
To Connect the Refrigerant Piping to the Outdoor Unit
37
To Connect the Refrigerant Piping to the Indoor Unit
37
Checking the Refrigerant Piping
38
About Checking the Refrigerant Piping
38
Precautions When Checking the Refrigerant Piping
38
To Check for Leaks
38
To Perform Vacuum Drying
38
Charging Refrigerant
39
About Charging Refrigerant
39
Precautions When Charging Refrigerant
39
To Determine the Additional Refrigerant Amount
39
To Determine the Complete Recharge Amount
39
To Charge Additional Refrigerant
39
To Fix the Fluorinated Greenhouse Gases Label
39
Connecting the Water Piping
40
About Connecting the Water Piping
40
Precautions When Connecting the Water Piping
40
To Connect the Water Piping
40
To Connect the Recirculation Piping
41
To Fill the Water Circuit
41
To Fill the Domestic Hot Water Tank
41
To Insulate the Water Piping
41
Connecting the Electrical Wiring
41
About Connecting the Electrical Wiring
41
About Electrical Compliance
41
Precautions When Connecting the Electrical Wiring
41
Guidelines When Connecting the Electrical Wiring
42
Specifications of Standard Wiring Components
42
To Connect the Electrical Wiring on the Outdoor Unit
42
To Connect the Electrical Wiring on the Indoor Unit
43
To Connect the Main Power Supply
44
To Connect the Shut-Off Valve
44
To Connect the Electrical Meters
44
To Connect the Domestic Hot Water Pump
44
To Connect the Alarm Output
44
To Connect the Space Heating ON/OFF Output
45
To Connect the Changeover to External Heat Source
45
To Connect the Power Consumption Digital Inputs
45
To Connect the Safety Thermostat (Normal Closed Contact)
45
To Connect the Anti-Legionella Heater Power Supply
46
Finishing the Outdoor Unit Installation
46
To Finish the Outdoor Unit Installation
46
Finishing the Indoor Unit Installation
46
To Close the Indoor Unit
46
Configuration
47
Overview: Configuration
47
To Access the most Used Commands
47
Configuration Wizard
48
Possible Screens
48
Possible Screens: Overview
48
Home Screen
48
Main Menu Screen
49
Menu Screen
49
Setpoint Screen
49
Detailed Screen with Values
50
Detailed Screen with Weather-Dependent Curve
50
Schedule Screen: Example
50
Settings Menu
52
Malfunction
52
Room
52
Main Zone
53
Additional Zone
56
Space Heating
57
Tank
60
User Settings
63
Information
64
Installer Settings
65
Menu Structure: Overview User Settings
73
Menu Structure: Overview Installer Settings
74
Commissioning
75
Overview: Commissioning
75
Precautions When Commissioning
75
Checklist before Commissioning
75
Checklist During Commissioning
75
To Check the Minimum Flow Rate
76
Air Purge Function
76
To Perform an Operation Test Run
76
To Perform an Actuator Test Run
77
Underfloor Heating Screed Dryout
77
10 Hand-Over to the User
78
Maintenance and Service
78
Overview: Maintenance and Service
78
Maintenance Safety Precautions
78
Checklist for Yearly Maintenance of the Outdoor Unit
79
Checklist for Yearly Maintenance of the Indoor Unit
79
To Drain the Domestic Hot Water Tank
80
About Cleaning the Water Filter in Case of Trouble
80
To Remove the Water Filter
80
To Clean the Water Filter in Case of Trouble
81
To Install the Water Filter
81
12 Troubleshooting
81
Overview: Troubleshooting
81
Precautions When Troubleshooting
82
Solving Problems Based on Symptoms
82
Symptom: the Unit Is NOT Heating as Expected
82
Symptom: the Compressor Does NOT Start (Space Heating or Domestic Water Heating)
82
Symptom: the System Is Making Gurgling Noises after Commissioning
83
Symptom: the Pump Is Making Noise (Cavitation)
83
Symptom: the Pressure Relief Valve Opens
83
Symptom: the Water Pressure Relief Valve Leaks
84
Symptom: the Space Is NOT Sufficiently Heated at Low Outdoor Temperatures
84
Symptom: the Pressure at the Tapping Point Is Temporarily Unusually High
84
Symptom: Decoration Panels Are Pushed Away Due to a Swollen Tank
84
Symptom: Tank Disinfection Function Is NOT Completed Correctly (AH-Error)
84
Solving Problems Based on Error Codes
85
To Display the Help Text in Case of a Malfunction
85
Error Codes: Overview
85
13 Disposal
86
Overview: Disposal
86
To Pump down
86
To Start and Stop Forced Cooling
87
14 Technical Data
88
Piping Diagram: Outdoor Unit
88
Piping Diagram: Indoor Unit
89
Wiring Diagram: Outdoor Unit
90
Wiring Diagram: Indoor Unit
91
Indoor Unit
94
Ventilation: Indoor Unit
94
ESP Curve: Indoor Unit
95
Glossary
95
Field Settings Table
96
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Daikin Altherma EHVH04S23DAV Specifications
General
Brand
Daikin
Model
Altherma EHVH04S23DAV
Category
Air Conditioner
Language
English
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