Daikin Altherma 3 H MT W

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Table of Contents2
About the Documentation6
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 Box21
Overview: about the Box21
Outdoor Unit21
To Handle the Outdoor Unit21
To Unpack the Outdoor Unit23
To Remove the Accessories from the Outdoor Unit24
Indoor Unit24
To Unpack the Indoor Unit25
To Remove the Accessories from the Indoor Unit25
About the Units and Options26
Overview: about the Units and Options26
Identification26
Identification Label: Outdoor Unit26
Identification Label: Indoor Unit27
Combining Units and Options27
Possible Combinations of Indoor Unit and Outdoor Unit27
Possible Combinations of Indoor Unit and Domestic Hot Water Tank27
Possible Options for the Outdoor Unit28
Possible Options for the Indoor Unit28
Application Guidelines32
Overview: Application Guidelines32
Setting up the Space Heating/Cooling System33
Single Room34
Multiple Rooms - One LWT Zone38
Multiple Rooms - Two LWT Zones43
Setting up an Auxiliary Heat Source for Space Heating47
Setting up the Domestic Hot Water Tank50
System Layout - Standalone DHW Tank50
Selecting the Volume and Desired Temperature for the DHW Tank50
Setup and Configuration - DHW Tank52
DHW Pump for Instant Hot Water53
DHW Pump for Disinfection54
DHW Pump for Tank Preheating55
Setting up the Energy Metering55
Produced Heat56
Consumed Energy56
Normal Kwh Rate Power Supply57
Preferential Kwh Rate Power Supply58
Setting up the Power Consumption Control59
Permanent Power Limitation60
Power Limitation Activated by Digital Inputs61
Power Limitation Process62
BBR16 Power Limitation63
Setting up an External Temperature Sensor64
Unit Installation65
Preparing the Installation Site65
Installation Site Requirements of the Outdoor Unit65
Additional Installation Site Requirements of the Outdoor Unit in Cold Climates67
Installation Site Requirements of the Indoor Unit68
Opening and Closing the Units69
About Opening the Units69
To Open the Outdoor Unit69
To Remove the Transportation Stay70
To Close the Outdoor Unit71
To Open the Indoor Unit71
To Close the Indoor Unit73
Mounting the Outdoor Unit73
About Mounting the Outdoor Unit73
Precautions When Mounting the Outdoor Unit74
To Provide the Installation Structure74
To Install the Outdoor Unit75
To Provide Drainage76
To Install the Discharge Grille77
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 Installation83
Preparing Water Piping83
Water Circuit Requirements83
Formula to Calculate the Expansion Vessel Pre-Pressure85
To Check the Water Volume and Flow Rate86
Changing the Pre-Pressure of the Expansion Vessel88
To Check the Water Volume: Examples88
Connecting Water Piping89
About Connecting the Water Piping89
Precautions When Connecting the Water Piping89
To Connect the Water Piping89
To Fill the Water Circuit91
To Protect the Water Circuit against Freezing91
To Fill the Domestic Hot Water Tank95
To Insulate the Water Piping95
Electrical Installation96
About Connecting the Electrical Wiring96
Precautions When Connecting the Electrical Wiring96
Guidelines When Connecting the Electrical Wiring97
About Electrical Compliance99
Specifications of Standard Wiring Components99
About Preferential Kwh Rate Power Supply99
Overview of Electrical Connections Except External Actuators100
Connections to the Outdoor Unit100
To Connect the Electrical Wiring to the Outdoor Unit101
To Reposition the Air Thermistor on the Outdoor Unit107
Connections to the Indoor Unit108
To Connect the Main Power Supply111
To Connect the Backup Heater Power Supply114
To Connect the Shut-Off Valve116
To Connect the Electricity Meters117
To Connect the Domestic Hot Water Pump118
To Connect the Alarm Output119
To Connect the Space Cooling/Heating ON/OFF Output120
To Connect the Changeover to External Heat Source121
To Connect the Power Consumption Digital Inputs122
To Connect the Safety Thermostat (Normally Closed Contact)123
To Connect a Smart Grid124
To Connect the WLAN Cartridge (Delivered as Accessory)128
Configuration130
Overview: Configuration130
To Access the most Used Commands131
To Connect the PC Cable to the Switch Box133
Configuration Wizard133
Possible Screens135
Possible Screens: Overview135
Home Screen136
Main Menu Screen138
Menu Screen139
Setpoint Screen140
Detailed Screen with Values141
Schedule Screen: Example141
Weather-Dependent Curve145
What Is a Weather-Dependent Curve145
2-Points Curve146
Slope-Offset Curve147
Using Weather-Dependent Curves148
Settings Menu150
Malfunctioning150
Room151
Main Zone155
Additional Zone165
Space Heating/Cooling170
Tank179
User Settings187
Information191
Installer Settings192
Commissioning220
User Profile220
Operation221
Wlan221
Menu Structure: Overview User Settings225
Menu Structure: Overview Installer Settings226
Commissioning228
Overview: Commissioning228
Precautions When Commissioning229
Checklist before Commissioning229
Checklist During Commissioning230
Minimum Flow Rate230
Air Purge Function231
Operation Test Run232
Actuator Test Run233
Underfloor Heating Screed Dryout234
Hand-Over to the User238
Maintenance and Service239
Overview: Maintenance and Service239
Maintenance Safety Precautions239
Yearly Maintenance240
Yearly Maintenance Outdoor Unit: Overview240
Yearly Maintenance Outdoor Unit: Instructions240
Yearly Maintenance Indoor Unit: Overview240
Yearly Maintenance Indoor Unit: Instructions240
About Cleaning the Water Filter in Case of Trouble242
To Remove the Water Filter243
To Clean the Water Filter in Case of Trouble243
To Install the Water Filter244
Troubleshooting246
Overview: Troubleshooting246
Precautions When Troubleshooting246
Solving Problems Based on Symptoms247
Symptom: the Unit Is NOT Heating or Cooling as Expected247
Symptom: Hot Water Does NOT Reach the Desired Temperature248
Symptom: the Compressor Does NOT Start (Space Heating or Domestic Water Heating)248
Symptom: the System Is Making Gurgling Noises after Commissioning248
Symptom: the Pump Is Blocked249
Symptom: the Pump Is Making Noise (Cavitation)250
Symptom: the Pressure Relief Valve Opens250
Symptom: the Water Pressure Relief Valve Leaks251
Symptom: the Space Is NOT Sufficiently Heated at Low Outdoor Temperatures251
Symptom: the Pressure at the Tapping Point Is Temporarily Unusually High252
Symptom: Tank Disinfection Function Is NOT Completed Correctly (AH-Error)252
Solving Problems Based on Error Codes253
To Display the Help Text in Case of a Malfunction253
Error Codes: Overview253
Disposal259
To Recover Refrigerant259
To Manually Open the Electronic Expansion Valves260
Recovery Mode - in Case of 3N~ Models (7-Segments Display)261
Recovery Mode - in Case of 1N~ Models (7-Leds Display)262
Technical Data265
Service Space: Outdoor Unit266
Piping Diagram: Outdoor Unit267
Piping Diagram: Indoor Unit268
Wiring Diagram: Outdoor Unit269
Wiring Diagram: Indoor Unit274
ESP Curve: Indoor Unit280
Glossary281
Field Settings Table282

Daikin Altherma 3 H MT W - Page 294

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