Daikin Altherma 3 H HT F

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9 | Electrical installation

Installer reference guide

136

EPRA14~18D + ETVH16SU18+23E

Daikin Altherma 3 H HT F

4P644738-1A – 2022.03

Without low voltage cables With low voltage cables

Main Page

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 the Outdoor Unit22
To Unpack the Outdoor Unit24
To Remove the Accessories from the Outdoor Unit25
Indoor Unit26
To Unpack the Indoor Unit26
To Remove the Accessories from the Indoor Unit26
To Handle the Indoor Unit26
Domestic Hot Water Tank Kit27
To Remove the Accessories from the Domestic Hot Water Tank Kit27
Checklist for the Required DHW Accessories27
About the Units and Options29
Identification29
Identification Label: Outdoor Unit29
Identification Label: Indoor Unit30
Combining Units and Options30
Possible Combinations of Indoor Unit and Outdoor Unit30
Possible Options for the Outdoor Unit30
Possible Options for the Indoor Unit31
Application Guidelines34
Overview: Application Guidelines34
Setting up the Space Heating/Cooling System35
Single Room36
Multiple Rooms - One LWT Zone40
Multiple Rooms - Two LWT Zones44
Setting up an Auxiliary Heat Source for Space Heating49
Setting up the Domestic Hot Water Tank51
System Layout - Integrated DHW Tank51
Selecting the Volume and Desired Temperature for the DHW Tank52
Setup and Configuration - DHW Tank53
DHW Pump for Instant Hot Water54
DHW Pump for Disinfection54
Setting up the Energy Metering55
Produced Heat55
Consumed Energy56
Normal Kwh Rate Power Supply56
Preferential Kwh Rate Power Supply58
Setting up the Power Consumption Control58
Permanent Power Limitation59
Power Limitation Activated by Digital Inputs60
Power Limitation Process61
BBR16 Power Limitation62
Setting up an External Temperature Sensor62
Unit Installation64
Preparing the Installation Site64
Installation Site Requirements of the Outdoor Unit64
Additional Installation Site Requirements of the Outdoor Unit in Cold Climates67
Installation Site Requirements of the Indoor Unit67
Opening and Closing the Units68
About Opening the Units68
To Open the Outdoor Unit68
To Remove the Transportation Stay69
To Attach the Compressor Cover Piece70
To Close the Outdoor Unit71
To Open the Indoor Unit71
To Lower the Switch Box on the Indoor Unit73
To Close the Indoor Unit74
Mounting the Outdoor Unit74
About Mounting the Outdoor Unit74
Precautions When Mounting the Outdoor Unit74
To Provide the Installation Structure74
To Install the Outdoor Unit75
To Provide Drainage76
To Install the Discharge Grille78
To Remove the Discharge Grille, and Put the Grille in Safety Position79
Mounting the Indoor Unit81
About Mounting the Indoor Unit81
Precautions When Mounting the Indoor Unit81
To Install the Indoor Unit81
To Connect the Drain Hose to the Drain82
Piping Installation84
Preparing Water Piping84
Water Circuit Requirements84
Formula to Calculate the Expansion Vessel Pre-Pressure88
To Check the Water Volume and Flow Rate88
Changing the Pre-Pressure of the Expansion Vessel90
To Check the Water Volume: Examples91
Connecting Water Piping91
About Connecting the Water Piping91
Precautions When Connecting the Water Piping92
To Connect the Water Piping92
To Connect the Water Piping for Domestic Hot Water95
To Connect the Recirculation Piping98
To Fill the Water Circuit98
To Protect the Water Circuit against Freezing98
To Fill the Domestic Hot Water Tank102
To Insulate the Water Piping102
Electrical Installation104
About Connecting the Electrical Wiring104
Precautions When Connecting the Electrical Wiring104
Guidelines When Connecting the Electrical Wiring105
About Electrical Compliance107
About Preferential Kwh Rate Power Supply107
Overview of Electrical Connections Except External Actuators108
Connections to the Outdoor Unit108
To Connect the Electrical Wiring to the Outdoor Unit109
To Reposition the Air Thermistor on the Outdoor Unit115
Connections to the Indoor Unit116
To Connect the Main Power Supply119
To Connect the Backup Heater Power Supply121
To Connect the Shut-Off Valve123
To Connect the Electricity Meters124
To Connect the Domestic Hot Water Pump125
To Connect the Alarm Output126
To Connect the Space Cooling/Heating ON/OFF Output127
To Connect the Changeover to External Heat Source128
To Connect the Power Consumption Digital Inputs129
To Connect the Safety Thermostat (Normally Closed Contact)130
To Connect a Smart Grid131
To Connect the WLAN Cartridge (Delivered as Accessory)135
After Connecting the Electrical Wiring to the Indoor Unit135
Configuration137
Overview: Configuration137
To Access the most Used Commands138
To Connect the PC Cable to the Switch Box140
Configuration Wizard140
Possible Screens142
Possible Screens: Overview142
Home Screen143
Main Menu Screen145
Menu Screen146
Setpoint Screen147
Detailed Screen with Values148
Schedule Screen: Example148
Weather-Dependent Curve152
What Is a Weather-Dependent Curve152
2-Points Curve153
Slope-Offset Curve154
Using Weather-Dependent Curves155
Settings Menu157
Malfunctioning157
Room158
Main Zone162
Additional Zone173
Space Heating/Cooling177
Tank186
User Settings194
Information199
Installer Settings200
Commissioning223
User Profile223
Operation224
Wlan224
Menu Structure: Overview User Settings227
Menu Structure: Overview Installer Settings228
Commissioning230
Overview: Commissioning230
Precautions When Commissioning231
Checklist before Commissioning231
Checklist During Commissioning232
Minimum Flow Rate232
Air Purge Function233
Operation Test Run234
Actuator Test Run235
Underfloor Heating Screed Dryout236
Hand-Over to the User240
Maintenance and Service241
Maintenance Safety Precautions241
Yearly Maintenance241
Yearly Maintenance Outdoor Unit: Overview241
Yearly Maintenance Outdoor Unit: Instructions242
Yearly Maintenance Indoor Unit: Overview242
Yearly Maintenance Indoor Unit: Instructions242
To Drain the Domestic Hot Water Tank245
To Inspect the Inside of the Domestic Hot Water Tank246
About Cleaning the Water Filter in Case of Trouble247
To Remove the Water Filter247
To Clean the Water Filter in Case of Trouble248
To Install the Water Filter249
Troubleshooting251
Overview: Troubleshooting251
Precautions When Troubleshooting251
Solving Problems Based on Symptoms252
Symptom: the Unit Is NOT Heating or Cooling as Expected252
Symptom: Hot Water Does NOT Reach the Desired Temperature253
Symptom: the Compressor Does NOT Start (Space Heating or Domestic Water Heating)253
Symptom: the System Is Making Gurgling Noises after Commissioning254
Symptom: the Pump Is Blocked254
Symptom: the Pump Is Making Noise (Cavitation)255
Symptom: the Pressure Relief Valve Opens255
Symptom: the Water Pressure Relief Valve Leaks256
Symptom: the Space Is NOT Sufficiently Heated at Low Outdoor Temperatures256
Symptom: the Pressure at the Tapping Point Is Temporarily Unusually High257
Symptom: Tank Disinfection Function Is NOT Completed Correctly (AH-Error)257
Solving Problems Based on Error Codes258
To Display the Help Text in Case of a Malfunction258
Error Codes of the Unit258
Disposal263
To Recover Refrigerant263
To Manually Open the Electronic Expansion Valves264
Recovery Mode265
Technical Data267
Service Space: Outdoor Unit268
Piping Diagram: Outdoor Unit269
Piping Diagram: Indoor Unit270
Wiring Diagram: Outdoor Unit271
Wiring Diagram: Indoor Unit276
Technical Specifications: Domestic Hot Water Tank282
Test Results in Accordance with EN12897 (2016)282
Warning Label282
ESP Curve: Indoor Unit283
Glossary284
Field Settings Table285

Daikin Altherma 3 H HT F - Page 136

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