Daikin EHFZ-D3V - Installer's Reference Guide Manual

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Installer reference guide

Daikin Altherma 3 R F

ERLA03DAV3 EHFZ03S18DJ3V

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Table of Contents2
About this Document6
Meaning of Warnings and Symbols7
Installer Reference Guide at a Glance8
General Safety Precautions10
For the Installer10
General10
Installation Site11
Refrigerant - in Case of R410A or R3211
Water13
Electrical13
Specific Installer Safety Instructions16
About the Box22
Overview: about the Box22
Outdoor Unit23
To Unpack the Outdoor Unit23
To Handle the Outdoor Unit23
To Remove the Accessories from the Outdoor Unit23
Indoor Unit24
To Unpack the Indoor Unit24
To Remove the Accessories from the Indoor Unit24
To Handle the Indoor Unit24
About the Units and Options26
Identification26
Identification Label: Outdoor Unit26
Identification Label: Indoor Unit26
Combining Units and Options27
Possible Combinations of Indoor Unit and Outdoor Unit27
Possible Options for the Outdoor Unit27
Possible Options for the Indoor Unit27
Application Guidelines31
Overview: Application Guidelines31
Setting up the Space Heating/Cooling System32
Multiple Rooms - Two LWT Zones32
Setting up an Auxiliary Heat Source for Space Heating35
Setting up the Domestic Hot Water Tank38
System Layout - Integrated DHW Tank38
Selecting the Desired Temperature for the DHW Tank38
Setup and Configuration - DHW Tank39
DHW Pump for Instant Hot Water40
DHW Pump for Disinfection40
Setting up the Energy Metering41
Produced Heat41
Consumed Energy41
Normal Kwh Rate Power Supply42
Preferential Kwh Rate Power Supply43
Setting up the Power Consumption Control44
Permanent Power Limitation44
Power Limitation Activated by Digital Inputs45
Power Limitation Process46
Setting up an External Temperature Sensor47
Unit Installation48
Preparing the Installation Site48
Installation Site Requirements of the Outdoor Unit49
Additional Installation Site Requirements of the Outdoor Unit in Cold Climates51
Installation Site Requirements of the Indoor Unit52
Opening and Closing the Units54
About Opening the Units54
To Open the Outdoor Unit54
To Close the Outdoor Unit54
To Open the Indoor Unit55
To Lower the Switch Box on the Indoor Unit57
To Close the Indoor Unit58
Mounting the Outdoor Unit58
About Mounting the Outdoor Unit58
Precautions When Mounting the Outdoor Unit58
To Provide the Installation Structure58
To Install the Outdoor Unit59
To Provide Drainage59
To Prevent the Outdoor Unit from Falling over60
Mounting the Indoor Unit61
About Mounting the Indoor Unit61
Precautions When Mounting the Indoor Unit61
To Install the Indoor Unit61
To Connect the Drain Hose to the Drain62
Finishing the Outdoor Unit Installation63
To Finish the Outdoor Unit Installation63
Piping Installation64
Preparing Refrigerant Piping64
Refrigerant Piping Requirements64
Refrigerant Piping Insulation65
Connecting the Refrigerant Piping65
About Connecting the Refrigerant Piping65
Precautions When Connecting the Refrigerant Piping66
Guidelines When Connecting the Refrigerant Piping67
Pipe Bending Guidelines67
To Flare the Pipe End67
To Braze the Pipe End68
Using the Stop Valve and Service Port69
To Connect the Refrigerant Piping to the Outdoor Unit70
To Connect the Refrigerant Piping to the Indoor Unit71
Checking the Refrigerant Piping71
About Checking the Refrigerant Piping71
Precautions When Checking the Refrigerant Piping72
Checking Refrigerant Piping: Setup72
To Check for Leaks72
To Perform Vacuum Drying73
Charging Refrigerant74
About Charging Refrigerant74
Precautions When Charging Refrigerant75
To Determine the Complete Recharge Amount75
To Fix the Fluorinated Greenhouse Gases Label75
Preparing Water Piping75
Water Circuit Requirements75
Formula to Calculate the Expansion Vessel Pre-Pressure78
To Check the Water Volume and Flow Rate78
Changing the Pre-Pressure of the Expansion Vessel80
To Check the Water Volume: Examples81
Connecting Water Piping81
About Connecting the Water Piping81
Precautions When Connecting the Water Piping82
To Connect the Water Piping82
To Connect the Recirculation Piping84
To Fill the Water Circuit84
To Fill the Domestic Hot Water Tank84
To Insulate the Water Piping85
Electrical Installation86
About Connecting the Electrical Wiring86
Precautions When Connecting the Electrical Wiring87
Guidelines When Connecting the Electrical Wiring87
About Electrical Compliance88
About Preferential Kwh Rate Power Supply89
Overview of Electrical Connections Except External Actuators89
Connections to the Outdoor Unit90
Specifications of Standard Wiring Components90
To Connect the Electrical Wiring to the Outdoor Unit90
Connections to the Indoor Unit91
To Connect the Main Power Supply94
To Connect the Backup Heater Power Supply96
To Connect the User Interface97
To Connect the Shut-Off Valve99
To Connect the Electricity Meters100
To Connect the Domestic Hot Water Pump101
To Connect the Alarm Output102
To Connect the Space Cooling/Heating ON/OFF Output103
To Connect the Changeover to External Heat Source104
To Connect the Power Consumption Digital Inputs105
To Connect the Safety Thermostat (Normally Closed Contact)106
After Connecting the Electrical Wiring to the Indoor Unit108
Configuration110
Overview: Configuration110
To Change the User Permission Level111
To Access the most Used Commands112
To Copy the System Settings from the First to the Second User Interface113
Quick Wizard: Set the System Layout after First Power on114
Basic Configuration115
Quick Wizard: Language / Time and Date115
Quick Wizard: Standard115
Quick Wizard: Options118
Space Heating/Cooling Control123
Domestic Hot Water Control126
Contact/Helpdesk Number127
Weather-Dependent Curve127
What Is a Weather-Dependent Curve127
2-Points Curve128
Using Weather-Dependent Curves128
Advanced Configuration/Optimisation129
Space Heating/Cooling Operation: Advanced129
Domestic Hot Water Control: Advanced139
Heat Source Settings144
System Settings147
Menu Structure: Overview User Settings155
Menu Structure: Overview Installer Settings156
Commissioning158
Overview: Commissioning158
Precautions When Commissioning159
Checklist before Commissioning159
Checklist During Commissioning160
To Check the Minimum Flow Rate160
Air Purge Function161
To Perform a Test Run162
To Perform an Actuator Test Run163
Underfloor Heating Screed Dryout163
Hand-Over to the User167
Maintenance and Service168
Maintenance Safety Precautions168
Checklist for Yearly Maintenance of the Outdoor Unit169
Checklist for Yearly Maintenance of the Indoor Unit169
To Drain the Domestic Hot Water Tank172
About Cleaning the Water Filter in Case of Trouble172
To Remove the Water Filter172
To Clean the Water Filter in Case of Trouble173
To Install the Water Filter174
Troubleshooting176
Overview: Troubleshooting176
Precautions When Troubleshooting176
Solving Problems Based on Symptoms177
Symptom: the Unit Is NOT Heating or Cooling as Expected177
Symptom: the Compressor Does NOT Start (Space Heating or Domestic Water Heating)178
Symptom: the System Is Making Gurgling Noises after Commissioning178
Symptom: the Pump Is Blocked179
Symptom: the Pump Is Making Noise (Cavitation)179
Symptom: the Pressure Relief Valve Opens180
Symptom: the Water Pressure Relief Valve Leaks180
Symptom: the Space Is NOT Sufficiently Heated at Low Outdoor Temperatures181
Symptom: the Pressure at the Tapping Point Is Temporarily Unusually High182
Symptom: Decoration Panels Are Pushed Away Due to a Swollen Tank182
Symptom: Tank Disinfection Function Is NOT Completed Correctly (AH-Error)182
Solving Problems Based on Error Codes182
Error Codes: Overview183
Disposal190
Overview: Disposal190
To Pump down190
Technical Data192
Piping Diagram: Outdoor Unit193
Piping Diagram: Indoor Unit194
Wiring Diagram: Outdoor Unit195
Wiring Diagram: Indoor Unit197
ESP Curve: Indoor Unit202
Glossary203
Field Settings Table204

Daikin EHFZ-D3V - Installer's Reference Guide Manual

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