Daikin Altherma EHVH04S18CB3V

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14 Technical data

Installer reference guide

ERLQ004~008CA + EHVH/X04+08S18+26CB

Daikin Altherma – Low temperature split

4P384973-1A – 2016.02

BRN Brown

GRN Green

ORG Orange

PPL Purple

RED Red

WHT White

YLW Yellow

Main Page

Table of Contents2
General Safety Precautions3
About the Documentation3
General4
Installation Site4
Refrigerant4
Brine5
Water5
Electrical5
About the Documentation6
About this Document6
Installer Reference Guide at a Glance6
About the Box7
Overview: about the Box7
Outdoor Unit7
To Unpack the Outdoor Unit7
To Remove the Accessories from the Outdoor Unit7
Indoor Unit8
To Unpack the Indoor Unit8
To Remove the Accessories from the Indoor Unit8
About the Units and Options8
Overview: about the Units and Options8
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 Guidelines11
Overview: Application Guidelines11
Setting up the Space Heating/Cooling System11
Single Room11
Multiple Rooms - One LWT Zone13
Multiple Rooms - Two LWT Zones15
Setting up an Auxiliary Heat Source for Space Heating16
Setting up the Domestic Hot Water Tank17
System Layout - Integrated DHW Tank17
Selecting the Volume and Desired Temperature for the DHW Tank17
Setup and Configuration - DHW Tank18
DHW Pump for Instant Hot Water18
DHW Pump for Disinfection19
Setting up the Energy Metering19
Produced Heat19
Consumed Energy19
Normal Kwh Rate Power Supply19
Preferential Kwh Rate Power Supply20
Setting up the Power Consumption Control20
Permanent Power Limitation21
Power Limitation Activated by Digital Inputs21
Power Limitation Process21
Setting up an External Temperature Sensor22
Preparation22
Overview: Preparation22
Preparing Installation Site22
Installation Site Requirements of the Outdoor Unit22
Additional Installation Site Requirements of the Outdoor Unit in Cold Climates23
Installation Site Requirements of the Indoor Unit23
Preparing Refrigerant Piping24
Refrigerant Piping Requirements24
Refrigerant Piping Insulation24
Preparing Water Piping24
Water Circuit Requirements24
Formula to Calculate the Expansion Vessel Pre-Pressure25
To Check the Water Volume and Flow Rate26
Changing the Pre-Pressure of the Expansion Vessel26
To Check the Water Volume: Examples27
Preparing Electrical Wiring27
About Preparing Electrical Wiring27
About Preferential Kwh Rate Power Supply27
Overview of Electrical Connections Except External Actuators28
Overview of Electrical Connections for External and Internal Actuators28
Overview: Installation28
Opening the Units29
About Opening the Units29
To Open the Outdoor Unit29
To Open the Indoor Unit29
To Open the Switch Box Cover of the Indoor Unit29
Mounting the Outdoor Unit29
About Mounting the Outdoor Unit29
Precautions When Mounting the Outdoor Unit30
To Provide the Installation Structure30
To Install the Outdoor Unit31
To Provide Drainage31
To Prevent the Outdoor Unit from Falling over32
Mounting the Indoor Unit32
About Mounting the Indoor Unit32
Precautions When Mounting the Indoor Unit32
To Install the Indoor Unit32
Connecting the Refrigerant Piping32
About Connecting the Refrigerant Piping32
Precautions When Connecting the Refrigerant Piping33
Guidelines When Connecting the Refrigerant Piping33
Pipe Bending Guidelines33
To Flare the Pipe End33
To Braze the Pipe End34
Using the Stop Valve and Service Port34
To Connect the Refrigerant Piping to the Outdoor Unit35
To Connect the Refrigerant Piping to the Indoor Unit35
Checking the Refrigerant Piping35
About Checking the Refrigerant Piping35
Precautions When Checking the Refrigerant Piping35
To Check for Leaks35
To Perform Vacuum Drying36
Charging Refrigerant36
About Charging Refrigerant36
Precautions When Charging Refrigerant36
To Determine the Additional Refrigerant Amount37
To Determine the Complete Recharge Amount37
To Charge Refrigerant37
To Fix the Fluorinated Greenhouse Gases Label37
Connecting the Water Piping37
About Connecting the Water Piping37
Precautions When Connecting the Water Piping37
To Connect the Water Piping37
To Connect the Recirculation Piping38
To Connect the Pressure Relief Valve to the Drain38
To Fill the Water Circuit38
To Fill the Domestic Hot Water Tank39
To Insulate the Water Piping39
Connecting the Electrical Wiring39
About Connecting the Electrical Wiring39
About Electrical Compliance39
Precautions When Connecting the Electrical Wiring39
Guidelines When Connecting the Electrical Wiring39
To Connect the Electrical Wiring on the Outdoor Unit40
To Connect the Electrical Wiring on the Indoor Unit40
To Connect the Main Power Supply41
To Connect the Backup Heater Power Supply42
To Connect the User Interface43
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 Cooling/Heating ON/OFF Output44
To Connect the Changeover to External Heat Source45
To Connect the Power Consumption Digital Inputs45
Finishing the Outdoor Unit Installation45
To Finish the Outdoor Unit Installation45
To Close the Outdoor Unit45
Finishing the Indoor Unit Installation45
To Fix the User Interface Cover to the Indoor Unit45
To Close the Indoor Unit45
Configuration46
Overview: Configuration46
To Connect the PC Cable to the Switch Box46
To Access the most Used Commands46
To Copy the System Settings from the First to the Second User Interface47
To Copy the Language Set from the First to the Second User Interface47
Quick Wizard: Set the System Layout after First Power on47
Basic Configuration48
Quick Wizard: Language / Time and Date48
Quick Wizard: Standard48
Quick Wizard: Options50
Quick Wizard: Capacities (Energy Metering)52
Space Heating/Cooling Control52
Domestic Hot Water Control56
Contact/Helpdesk Number56
Advanced Configuration/Optimization56
Space Heating/Cooling Operation: Advanced56
Domestic Hot Water Control: Advanced61
Heat Source Settings64
System Settings66
Menu Structure: Overview User Settings71
Menu Structure: Overview Installer Settings72
Commissioning73
Overview: Commissioning73
Precautions When Commissioning73
Checklist before Commissioning73
Checklist During Commissioning73
To Check the Minimum Flow Rate73
Air Purge Function74
To Perform a Test Run74
To Perform an Actuator Test Run75
Underfloor Heating Screed Dryout75
10 Hand-Over to the User76
Maintenance and Service76
Overview: Maintenance and Service77
Maintenance Safety Precautions77
Opening the Indoor Unit77
Checklist for Yearly Maintenance of the Outdoor Unit77
Checklist for Yearly Maintenance of the Indoor Unit77
To Drain the Domestic Hot Water Tank78
12 Troubleshooting78
Overview: Troubleshooting78
Precautions When Troubleshooting78
Solving Problems Based on Symptoms78
Symptom: the Unit Is NOT Heating or Cooling as Expected78
Symptom: the Compressor Does NOT Start (Space Heating or Domestic Water Heating)79
Symptom: the Pump Is Making Noise (Cavitation)79
Symptom: the Pressure Relief Valve Opens79
Symptom: the Water Pressure Relief Valve Leaks79
Symptom: the Space Is NOT Sufficiently Heated at Low Outdoor Temperatures80
Symptom: the Pressure at the Tapping Point Is Temporarily Unusual High80
Symptom: Decoration Panels Are Pushed Away Due to a Swollen Tank80
Symptom: Tank Disinfection Function Is NOT Completed Correctly (AH-Error)80
Solving Problems Based on Error Codes80
Error Codes: Overview80
Disposal83
Overview: Disposal83
To Pump down83
To Start and Stop Forced Cooling83
14 Technical Data84
Overview: Technical Data84
Dimensions and Service Space84
Dimensions and Service Space: Outdoor Unit84
Dimensions and Service Space: Indoor Unit85
Center of Gravity87
Center of Gravity: Outdoor Unit87
Components88
Components: Outdoor Unit88
Components: Switch Box (Outdoor Unit)88
Components: Indoor Unit88
Components: Switch Box (Indoor Unit)89
Piping Diagram90
Piping Diagram: Outdoor Unit90
Piping Diagram: Indoor Unit91
Wiring Diagram92
Wiring Diagram: Outdoor Unit92
Wiring Diagram: Indoor Unit95
Technical Specifications101
Technical Specifications: Outdoor Unit101
Technical Specifications: Indoor Unit104
Operation Range106
Operation Range: Heating and Cooling106
Operation Range: Domestic Hot Water107
ESP Curve108
ESP Curve: Indoor Unit108
15 Glossary109
Field Settings Table110

Daikin Altherma EHVH04S18CB3V - Page 94

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