Daikin Altherma 3 R W

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4P643603-1B 2022.05

Verantwortung für Energie und Umwelt

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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
Outdoor Unit22
To Handle, Unpack and Remove Accessories - Outdoor Unit22
To Remove the Transportation Stay24
Indoor Unit25
To Unpack the Indoor Unit25
To Remove the Accessories from the Indoor Unit25
About the Units and Options26
Identification26
Identification Label: Outdoor Unit26
Identification Label: Indoor Unit26
Combining Units and Options27
Possible Options for the Outdoor Unit27
Possible Options for the Indoor Unit27
Possible Combinations of Indoor Unit and Outdoor Unit30
Possible Combinations of Indoor Unit and Domestic Hot Water Tank31
Application Guidelines32
Overview: Application Guidelines32
Setting up the Space Heating/Cooling System33
Single Room34
Multiple Rooms - One LWT Zone38
Multiple Rooms - Two LWT Zones44
Setting up an Auxiliary Heat Source for Space Heating49
Setting up the Domestic Hot Water Tank51
System Layout - Standalone DHW Tank51
Selecting the Volume and Desired Temperature for the DHW Tank51
Setup and Configuration - DHW Tank53
DHW Pump for Instant Hot Water54
DHW Pump for Disinfection54
DHW Pump for Tank Preheating55
Setting up the Energy Metering56
Produced Heat57
Consumed Energy57
Normal Kwh Rate Power Supply58
Preferential Kwh Rate Power Supply59
Setting up the Power Consumption Control60
Permanent Power Limitation61
Power Limitation Activated by Digital Inputs61
Power Limitation Process62
BBR16 Power Limitation63
Smart Grid Capacity Limitation Due to Buffering64
Setting up an External Temperature Sensor64
Unit Installation66
Preparing the Installation Site66
Installation Site Requirements of the Outdoor Unit66
Additional Installation Site Requirements of the Outdoor Unit in Cold Climates68
Installation Site Requirements of the Indoor Unit69
Special Requirements for R32 Units70
Installation Patterns72
Opening and Closing the Units80
About Opening the Units80
To Open the Outdoor Unit80
To Close the Outdoor Unit81
To Open the Indoor Unit81
To Close the Indoor Unit83
Mounting the Outdoor Unit83
About Mounting the Outdoor Unit83
Precautions When Mounting the Outdoor Unit83
To Provide the Installation Structure84
To Install the Outdoor Unit84
To Provide Drainage85
To Install the Discharge Grille86
Mounting the Indoor Unit87
About Mounting the Indoor Unit87
Precautions When Mounting the Indoor Unit87
To Install the Indoor Unit87
To Connect the Drain Hose to the Drain89
Piping Installation90
Preparing Refrigerant Piping90
Refrigerant Piping Requirements90
Refrigerant Piping Insulation91
Connecting the Refrigerant Piping91
About Connecting the Refrigerant Piping91
Precautions When Connecting the Refrigerant Piping92
Guidelines When Connecting the Refrigerant Piping93
Pipe Bending Guidelines93
To Flare the Pipe End93
To Braze the Pipe End94
Using the Stop Valve and Service Port95
To Connect the Refrigerant Piping to the Outdoor Unit96
To Connect the Refrigerant Piping to the Indoor Unit99
Checking the Refrigerant Piping99
About Checking the Refrigerant Piping99
Precautions When Checking the Refrigerant Piping100
Checking Refrigerant Piping: Setup100
To Check for Leaks100
To Perform Vacuum Drying101
Charging Refrigerant102
About Charging Refrigerant102
Precautions When Charging Refrigerant103
Charging Additional Refrigerant104
Completely Recharging Refrigerant104
To Fix the Fluorinated Greenhouse Gases Label105
Preparing Water Piping106
Water Circuit Requirements106
Formula to Calculate the Expansion Vessel Pre-Pressure109
To Check the Water Volume and Flow Rate109
Changing the Pre-Pressure of the Expansion Vessel111
To Check the Water Volume: Examples112
Connecting Water Piping112
About Connecting the Water Piping112
Precautions When Connecting the Water Piping113
To Connect the Water Piping113
To Fill the Water Circuit114
To Fill the Domestic Hot Water Tank115
To Insulate the Water Piping115
Electrical Installation116
About Connecting the Electrical Wiring116
Precautions When Connecting the Electrical Wiring116
Guidelines When Connecting the Electrical Wiring117
About Electrical Compliance118
About Preferential Kwh Rate Power Supply119
Overview of Electrical Connections Except External Actuators120
Connections to the Outdoor Unit120
Specifications of Standard Wiring Components121
To Connect the Electrical Wiring to the Outdoor Unit121
Connections to the Indoor Unit123
To Connect the Main Power Supply127
To Connect the Backup Heater Power Supply129
To Connect the Shut-Off Valve132
To Connect the Electricity Meters133
To Connect the Domestic Hot Water Pump134
To Connect the Alarm Output135
To Connect the Space Cooling/Heating ON/OFF Output136
To Connect the Changeover to External Heat Source137
To Connect the Power Consumption Digital Inputs138
To Connect the Safety Thermostat (Normally Closed Contact)139
To Connect a Smart Grid140
Finishing the Outdoor Unit Installation145
To Check the Insulation Resistance of the Compressor145
To Finish the Outdoor Unit Installation145
Configuration146
Overview: Configuration146
To Access the most Used Commands147
To Connect the PC Cable to the Switch Box149
Configuration Wizard150
Possible Screens151
Possible Screens: Overview151
Home Screen152
Main Menu Screen154
Menu Screen155
Setpoint Screen156
Detailed Screen with Values157
Preset Values and Schedules157
Using Preset Values157
Using and Programming Schedules158
Schedule Screen: Example161
Setting the Energy Prices165
Weather-Dependent Curve167
What Is a Weather-Dependent Curve167
2-Points Curve168
Slope-Offset Curve169
Using Weather-Dependent Curves170
Settings Menu172
Malfunctioning172
Room173
Main Zone177
Additional Zone187
Space Heating/Cooling192
Tank201
User Settings210
Information215
Installer Settings216
Commissioning244
User Profile244
Operation244
Wlan245
Menu Structure: Overview User Settings248
Menu Structure: Overview Installer Settings249
Commissioning251
Overview: Commissioning251
Precautions When Commissioning252
Checklist before Commissioning252
Checklist During Commissioning253
Minimum Flow Rate253
Air Purge Function254
Operation Test Run255
Actuator Test Run256
Underfloor Heating Screed Dryout257
Hand-Over to the User261
Maintenance and Service262
Maintenance Safety Precautions262
Yearly Maintenance263
Yearly Maintenance Outdoor Unit: Overview263
Yearly Maintenance Outdoor Unit: Instructions263
Yearly Maintenance Indoor Unit: Overview263
Yearly Maintenance Indoor Unit: Instructions263
About Cleaning the Water Filter in Case of Trouble265
To Remove the Water Filter265
To Clean the Water Filter in Case of Trouble266
To Install the Water Filter267
Troubleshooting269
Overview: Troubleshooting269
Precautions When Troubleshooting269
Solving Problems Based on Symptoms270
Symptom: the Unit Is NOT Heating or Cooling as Expected270
Symptom: Hot Water Does NOT Reach the Desired Temperature270
Symptom: the Compressor Does NOT Start (Space Heating or Domestic Water Heating)271
Symptom: the System Is Making Gurgling Noises after Commissioning271
Symptom: the Pump Is Blocked273
Symptom: the Pump Is Making Noise (Cavitation)273
Symptom: the Pressure Relief Valve Opens274
Symptom: the Water Pressure Relief Valve Leaks274
Symptom: the Space Is NOT Sufficiently Heated at Low Outdoor Temperatures275
Symptom: the Pressure at the Tapping Point Is Temporarily Unusually High276
Symptom: Tank Disinfection Function Is NOT Completed Correctly (AH-Error)276
Solving Problems Based on Error Codes276
To Display the Help Text in Case of a Malfunction277
Error Codes: Overview277
Disposal282
To Recover Refrigerant282
To Open the Stop Valves283
To Manually Open the Electronic Expansion Valves283
Recovery Mode - in Case of 3N~ Models (7-Segments Display)284
Recovery Mode - in Case of 1N~ Models (7-Leds Display)287
Technical Data289
Service Space: Outdoor Unit290
Piping Diagram: Outdoor Unit292
Piping Diagram: Indoor Unit293
Wiring Diagram: Outdoor Unit294
Wiring Diagram: Indoor Unit295
ESP Curve: Indoor Unit301
Glossary302
Field Settings Table303

Daikin Altherma 3 R W - Page 316

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