Daikin Altherma EHVH04S23DAV

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Table of Contents2
General Safety Precautions3
About the Documentation3
Meaning of Warnings and Symbols3
For the Installer4
General4
Installation Site4
Refrigerant4
Brine5
Water5
Electrical6
About the Documentation6
About this Document6
Installer Reference Guide at a Glance7
About the Box7
Overview: about the Box7
Installation7
Outdoor Unit7
To Unpack the Outdoor Unit7
To Handle the Outdoor Unit7
To Remove the Accessories from the Outdoor Unit8
Indoor Unit8
To Unpack the Indoor Unit8
To Handle the Indoor Unit8
About the Units and Options9
Overview: about the Units and Options9
Identification9
Identification Label: Outdoor Unit9
Identification Label: Indoor Unit9
Combining Units and Options9
Possible Options for the Outdoor Unit9
Possible Options for the Indoor Unit9
Possible Combinations of Indoor Unit and Outdoor Unit10
Application Guidelines10
Overview: Application Guidelines10
Setting up the Space Heating System11
Single Room11
Multiple Rooms - One LWT Zone12
Multiple Rooms - Two LWT Zones14
Setting up an Auxiliary Heat Source for Space Heating15
Setting up the Domestic Hot Water Tank16
System Layout - Integrated DHW Tank16
Selecting the Volume and Desired Temperature for the DHW Tank16
Setup and Configuration - DHW Tank17
DHW Pump for Instant Hot Water17
DHW Pump for Disinfection17
Setting up the Energy Metering18
Produced Heat18
Consumed Energy18
Normal Kwh Rate Power Supply18
Preferential Kwh Rate Power Supply19
Setting up the Power Consumption Control19
Permanent Power Limitation19
Power Limitation Activated by Digital Inputs20
Power Limitation Process20
Setting up an External Temperature Sensor21
Preparation21
Overview: Preparation21
Preparing the Installation Site21
Installation Site Requirements of the Outdoor Unit21
Additional Installation Site Requirements of the Outdoor Unit in Cold Climates22
Installation Site Requirements of the Indoor Unit23
Preparing Refrigerant Piping25
Refrigerant Piping Requirements25
Refrigerant Piping Insulation25
Preparing Water Piping25
Water Circuit Requirements25
Formula to Calculate the Expansion Vessel Pre-Pressure26
To Check the Water Volume and Flow Rate26
Changing the Pre-Pressure of the Expansion Vessel27
To Check the Water Volume: Examples28
Preparing Electrical Wiring28
About Preparing Electrical Wiring28
About Preferential Kwh Rate Power Supply28
Overview of Electrical Connections Except External Actuators29
Overview of Electrical Connections for External and Internal Actuators29
Overview: Installation29
Opening the Units30
About Opening the Units30
To Open the Outdoor Unit30
To Open the Indoor Unit30
To Open the Switch Box Cover of the Indoor Unit30
To Lower the Switch Box on the Indoor Unit31
Mounting the Outdoor Unit31
About Mounting the Outdoor Unit31
Precautions When Mounting the Outdoor Unit31
To Provide the Installation Structure31
To Install the Outdoor Unit32
To Provide Drainage33
To Prevent the Outdoor Unit from Falling over34
Mounting the Indoor Unit34
About Mounting the Indoor Unit34
Precautions When Mounting the Indoor Unit34
To Install the Indoor Unit34
To Connect the Drain Hose to the Drain34
Connecting the Refrigerant Piping35
About Connecting the Refrigerant Piping35
Precautions When Connecting the Refrigerant Piping35
Guidelines When Connecting the Refrigerant Piping36
Pipe Bending Guidelines36
To Flare the Pipe End36
To Braze the Pipe End36
Using the Stop Valve and Service Port36
To Connect the Refrigerant Piping to the Outdoor Unit37
To Connect the Refrigerant Piping to the Indoor Unit37
Checking the Refrigerant Piping38
About Checking the Refrigerant Piping38
Precautions When Checking the Refrigerant Piping38
To Check for Leaks38
To Perform Vacuum Drying38
Charging Refrigerant39
About Charging Refrigerant39
Precautions When Charging Refrigerant39
To Determine the Additional Refrigerant Amount39
To Determine the Complete Recharge Amount39
To Charge Additional Refrigerant39
To Fix the Fluorinated Greenhouse Gases Label39
Connecting the Water Piping40
About Connecting the Water Piping40
Precautions When Connecting the Water Piping40
To Connect the Water Piping40
To Connect the Recirculation Piping41
To Fill the Water Circuit41
To Fill the Domestic Hot Water Tank41
To Insulate the Water Piping41
Connecting the Electrical Wiring41
About Connecting the Electrical Wiring41
About Electrical Compliance41
Precautions When Connecting the Electrical Wiring41
Guidelines When Connecting the Electrical Wiring42
Specifications of Standard Wiring Components42
To Connect the Electrical Wiring on the Outdoor Unit42
To Connect the Electrical Wiring on the Indoor Unit43
To Connect the Main Power Supply44
To Connect the Shut-Off Valve44
To Connect the Electrical Meters44
To Connect the Domestic Hot Water Pump44
To Connect the Alarm Output44
To Connect the Space Heating ON/OFF Output45
To Connect the Changeover to External Heat Source45
To Connect the Power Consumption Digital Inputs45
To Connect the Safety Thermostat (Normal Closed Contact)45
To Connect the Anti-Legionella Heater Power Supply46
Finishing the Outdoor Unit Installation46
To Finish the Outdoor Unit Installation46
Finishing the Indoor Unit Installation46
To Close the Indoor Unit46
Configuration47
Overview: Configuration47
To Access the most Used Commands47
Configuration Wizard48
Possible Screens48
Possible Screens: Overview48
Home Screen48
Main Menu Screen49
Menu Screen49
Setpoint Screen49
Detailed Screen with Values50
Detailed Screen with Weather-Dependent Curve50
Schedule Screen: Example50
Settings Menu52
Malfunction52
Room52
Main Zone53
Additional Zone56
Space Heating57
Tank60
User Settings63
Information64
Installer Settings65
Menu Structure: Overview User Settings73
Menu Structure: Overview Installer Settings74
Commissioning75
Overview: Commissioning75
Precautions When Commissioning75
Checklist before Commissioning75
Checklist During Commissioning75
To Check the Minimum Flow Rate76
Air Purge Function76
To Perform an Operation Test Run76
To Perform an Actuator Test Run77
Underfloor Heating Screed Dryout77
10 Hand-Over to the User78
Maintenance and Service78
Overview: Maintenance and Service78
Maintenance Safety Precautions78
Checklist for Yearly Maintenance of the Outdoor Unit79
Checklist for Yearly Maintenance of the Indoor Unit79
To Drain the Domestic Hot Water Tank80
About Cleaning the Water Filter in Case of Trouble80
To Remove the Water Filter80
To Clean the Water Filter in Case of Trouble81
To Install the Water Filter81
12 Troubleshooting81
Overview: Troubleshooting81
Precautions When Troubleshooting82
Solving Problems Based on Symptoms82
Symptom: the Unit Is NOT Heating as Expected82
Symptom: the Compressor Does NOT Start (Space Heating or Domestic Water Heating)82
Symptom: the System Is Making Gurgling Noises after Commissioning83
Symptom: the Pump Is Making Noise (Cavitation)83
Symptom: the Pressure Relief Valve Opens83
Symptom: the Water Pressure Relief Valve Leaks84
Symptom: the Space Is NOT Sufficiently Heated at Low Outdoor Temperatures84
Symptom: the Pressure at the Tapping Point Is Temporarily Unusually High84
Symptom: Decoration Panels Are Pushed Away Due to a Swollen Tank84
Symptom: Tank Disinfection Function Is NOT Completed Correctly (AH-Error)84
Solving Problems Based on Error Codes85
To Display the Help Text in Case of a Malfunction85
Error Codes: Overview85
13 Disposal86
Overview: Disposal86
To Pump down86
To Start and Stop Forced Cooling87
14 Technical Data88
Piping Diagram: Outdoor Unit88
Piping Diagram: Indoor Unit89
Wiring Diagram: Outdoor Unit90
Wiring Diagram: Indoor Unit91
Indoor Unit94
Ventilation: Indoor Unit94
ESP Curve: Indoor Unit95
Glossary95
Field Settings Table96

Daikin Altherma EHVH04S23DAV - Page 106

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