Daikin EPRA16DAW1 User Manual (English)

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Installer reference guide

Daikin Altherma 3 H HT F

EPRA14DAV3

EPRA16DAV3

EPRA18DAV3

EPRA14DAW1

EPRA16DAW1

EPRA18DAW1

ETVZ16S18DA6V

ETVZ16S23DA6V

ETVZ16S18DA9W

ETVZ16S23DA9W

https://daikintechnicaldatahub.eu

Table of Contents2
General Safety Precautions6
About the Documentation6
Meaning of Warnings and Symbols6
For the Installer7
General7
Installation Site8
Refrigerant9
Brine10
Water11
Electrical11
About the Documentation14
About this Document14
Installer Reference Guide at a Glance15
About the Box17
Overview: about the Box17
Outdoor Unit17
To Handle the Outdoor Unit17
To Unpack the Outdoor Unit19
To Remove the Accessories from the Outdoor Unit20
Indoor Unit21
To Unpack the Indoor Unit21
To Remove the Accessories from the Indoor Unit21
To Handle the Indoor Unit21
About the Units and Options22
Overview: about the Units and Options22
Identification22
Identification Label: Outdoor Unit22
Identification Label: Indoor Unit23
Combining Units and Options23
Possible Combinations of Indoor Unit and Outdoor Unit23
Possible Options for the Outdoor Unit23
Possible Options for the Indoor Unit24
Application Guidelines27
Overview: Application Guidelines27
Setting up the Space Heating/Cooling System28
Multiple Rooms - Two LWT Zones29
Setting up the Domestic Hot Water Tank31
System Layout - Integrated DHW Tank31
Selecting the Volume and Desired Temperature for the DHW Tank31
Setup and Configuration - DHW Tank33
DHW Pump for Instant Hot Water33
DHW Pump for Disinfection34
Setting up the Energy Metering34
Produced Heat35
Consumed Energy35
Normal Kwh Rate Power Supply36
Preferential Kwh Rate Power Supply37
Setting up the Power Consumption Control38
Permanent Power Limitation39
Power Limitation Activated by Digital Inputs39
Power Limitation Process41
BBR16 Power Limitation41
Setting up an External Temperature Sensor42
Unit Installation44
Preparing the Installation Site44
Installation Site Requirements of the Outdoor Unit44
Additional Installation Site Requirements of the Outdoor Unit in Cold Climates47
Installation Site Requirements of the Indoor Unit47
Opening and Closing the Units48
About Opening the Units48
To Open the Outdoor Unit48
To Remove the Transportation Stay49
To Close the Outdoor Unit49
To Open the Indoor Unit50
To Lower the Switch Box on the Indoor Unit52
To Close the Indoor Unit53
Mounting the Outdoor Unit53
About Mounting the Outdoor Unit53
Precautions When Mounting the Outdoor Unit53
To Provide the Installation Structure53
To Install the Outdoor Unit54
To Provide Drainage55
To Install the Discharge Grille57
To Remove the Discharge Grille, and Put the Grille in Safety Position58
Mounting the Indoor Unit60
About Mounting the Indoor Unit60
Precautions When Mounting the Indoor Unit60
To Install the Indoor Unit60
To Connect the Drain Hose to the Drain61
Piping Installation63
Preparing Water Piping63
Water Circuit Requirements63
Formula to Calculate the Expansion Vessel Pre-Pressure65
To Check the Water Volume and Flow Rate65
Changing the Pre-Pressure of the Expansion Vessel68
To Check the Water Volume: Examples68
Connecting Water Piping69
About Connecting the Water Piping69
Precautions When Connecting the Water Piping69
To Connect the Water Piping69
To Connect the Recirculation Piping72
To Fill the Water Circuit72
To Protect the Water Circuit against Freezing73
To Fill the Domestic Hot Water Tank76
To Insulate the Water Piping76
Electrical Installation78
About Connecting the Electrical Wiring78
Precautions When Connecting the Electrical Wiring78
Guidelines When Connecting the Electrical Wiring79
About Electrical Compliance80
About Preferential Kwh Rate Power Supply80
Overview of Electrical Connections Except External Actuators81
Connections to the Outdoor Unit82
To Connect the Electrical Wiring to the Outdoor Unit82
To Reposition the Air Thermistor on the Outdoor Unit88
Connections to the Indoor Unit89
To Connect the Main Power Supply92
To Connect the Backup Heater Power Supply94
To Connect the Shut-Off Valve96
To Connect the Electricity Meters97
To Connect the Domestic Hot Water Pump98
To Connect the Alarm Output99
To Connect the Space Cooling/Heating ON/OFF Output100
To Connect the Changeover to External Heat Source101
To Connect the Power Consumption Digital Inputs102
To Connect the Safety Thermostat (Normally Closed Contact)103
After Connecting the Electrical Wiring to the Indoor Unit105
Configuration107
Overview: Configuration107
To Access the most Used Commands108
Configuration Wizard110
Possible Screens111
Possible Screens: Overview111
Home Screen112
Main Menu Screen115
Menu Screen116
Setpoint Screen116
Detailed Screen with Values117
Schedule Screen: Example117
Weather-Dependent Curve121
What Is a Weather-Dependent Curve121
2-Points Curve122
Slope-Offset Curve123
Using Weather-Dependent Curves124
Settings Menu126
Malfunctioning126
Room127
Main Zone131
Additional Zone141
Space Heating/Cooling146
Tank154
User Settings160
Information165
Installer Settings166
Commissioning184
Operation184
WLAN Adapter185
Menu Structure: Overview User Settings187
Menu Structure: Overview Installer Settings188
Commissioning189
Overview: Commissioning189
Precautions When Commissioning190
Checklist before Commissioning190
Checklist During Commissioning191
Minimum Flow Rate191
Air Purge Function192
Operation Test Run195
Actuator Test Run196
Underfloor Heating Screed Dryout196
Hand-Over to the User200
Maintenance and Service201
Overview: Maintenance and Service201
Maintenance Safety Precautions201
Yearly Maintenance202
Yearly Maintenance Outdoor Unit: Overview202
Yearly Maintenance Outdoor Unit: Instructions202
Yearly Maintenance Indoor Unit: Overview202
Yearly Maintenance Indoor Unit: Instructions202
To Drain the Domestic Hot Water Tank205
About Cleaning the Water Filter in Case of Trouble206
To Remove the Water Filter206
To Clean the Water Filter in Case of Trouble206
To Install the Water Filter208
Overview: Maintenance and Service208
Troubleshooting209
Overview: Troubleshooting209
Precautions When Troubleshooting209
Solving Problems Based on Symptoms210
Symptom: the Unit Is NOT Heating or Cooling as Expected210
Symptom: Hot Water Does NOT Reach the Desired Temperature211
Symptom: the Compressor Does NOT Start (Space Heating or Domestic Water Heating)211
Symptom: the System Is Making Gurgling Noises after Commissioning211
Symptom: the Pump Is Blocked212
Symptom: the Pump Is Making Noise (Cavitation)212
Symptom: the Pressure Relief Valve Opens213
Symptom: the Water Pressure Relief Valve Leaks213
Symptom: the Space Is NOT Sufficiently Heated at Low Outdoor Temperatures214
Symptom: the Pressure at the Tapping Point Is Temporarily Unusually High215
Symptom: Tank Disinfection Function Is NOT Completed Correctly (AH-Error)215
Solving Problems Based on Error Codes215
To Display the Help Text in Case of a Malfunction215
Error Codes: Overview216
Disposal220
To Recover Refrigerant220
Technical Data222
Service Space: Outdoor Unit223
Piping Diagram: Outdoor Unit224
Piping Diagram: Indoor Unit225
Wiring Diagram: Outdoor Unit227
Wiring Diagram: Indoor Unit232
Glossary238
Field Settings Table239

Brand	Daikin
Model	EPRA16DAW1
Category	Heat Pump
Language	English

Daikin EPRA16DAW1 User Manual

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