Daikin Altherma EHYKOMB33AA - About this document; Documentation set; Breadcrumbs

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1 | About the product

Installer reference guide

EVLQ05+08CA + EHYHBH05A + EHYHBH/X08A + EHYKOMB33AA

Daikin Altherma hybrid heat pump

4P355634-1G – 2022.09

INFORMATION

This product is intended for domestic use only.

Main Page

Table of Contents2
About the Product6
About this Document8
Meaning of Warnings and Symbols8
Installer Reference Guide at a Glance10
General Safety Precautions12
For the Installer12
General12
Installation Site13
Refrigerant - in Case of R410A or R3214
Water16
Electrical16
Gas18
Gas Exhaust19
Local Legislation19
Specific Installer Safety Instructions21
About the Box28
Outdoor Unit28
To Unpack the Outdoor Unit28
To Remove the Accessories from the Outdoor Unit29
Indoor Unit30
To Unpack the Indoor Unit30
To Remove the Accessories from the Indoor Unit31
Gas Boiler31
To Unpack the Gas Boiler31
To Remove the Accessories from the Gas Boiler32
About the Units and Options34
Identification34
Identification Label: Outdoor Unit34
Identification Label: Indoor Unit35
Identification Label: Gas Boiler35
Combining Units and Options37
Possible Options for the Outdoor Unit37
Possible Options for the Indoor Unit38
Possible Options for the Gas Boiler41
Possible Combinations of Indoor Unit and Outdoor Unit46
Possible Combinations of Indoor Unit and Domestic Hot Water Tank47
Unit Installation48
Preparing the Installation Site48
Installation Site Requirements of the Outdoor Unit49
Additional Installation Site Requirements of the Outdoor Unit in Cold Climates50
Installation Site Requirements of the Indoor Unit51
Opening and Closing the Units52
About Opening the Units52
To Open the Outdoor Unit52
To Open the Switch Box Cover of the Indoor Unit53
To Open the Gas Boiler54
To Open the Switch Box Cover of the Gas Boiler54
To Close the Outdoor Unit55
To Close the Indoor Unit55
To Close the Gas Boiler55
To Install the Gas Boiler Cover Plate56
Mounting the Outdoor Unit56
About Mounting the Outdoor Unit56
Precautions When Mounting the Outdoor Unit57
To Provide the Installation Structure57
To Install the Outdoor Unit59
To Provide Drainage60
To Prevent the Outdoor Unit from Falling over61
Mounting the Indoor Unit62
About Mounting the Indoor Unit62
Precautions When Mounting the Indoor Unit62
To Install the Indoor Unit62
Mounting the Gas Boiler63
To Install the Gas Boiler63
To Install the Condensate Trap65
Connecting the Boiler to the Flue Gas System66
To Change the Gas Boiler to 80/125 Concentric Connection67
To Change the 60/100 Concentric Connection to a Dual Pipe Connection68
Calculate the Total Piping Length69
Appliance Categories and Pipe Lengths70
Applicable Materials74
Flue Pipe Position75
Insulation of the Gas Exhaust and Air Intake76
Fitting a Horizontal Flue System76
Fitting a Vertical Flue System77
Plume Management Kit77
Flues in Voids78
Flue Gas Materials (C63) Available on the Market79
About Securing the Flue System80
Condensate Pipe Work81
Internal Connections82
External Connections83
Piping Installation84
Preparing Refrigerant Piping84
Refrigerant Piping Requirements84
Refrigerant Piping Insulation85
Connecting the Refrigerant Piping85
About Connecting the Refrigerant Piping85
Precautions When Connecting the Refrigerant Piping86
Guidelines When Connecting the Refrigerant Piping87
Pipe Bending Guidelines87
To Flare the Pipe End87
To Braze the Pipe End88
Using the Stop Valve and Service Port89
To Connect the Refrigerant Piping to the Outdoor Unit90
To Connect the Refrigerant Piping to the Indoor Unit91
Checking the Refrigerant Piping91
About Checking the Refrigerant Piping91
Precautions When Checking the Refrigerant Piping92
To Check for Leaks92
To Perform Vacuum Drying92
To Insulate the Refrigerant Piping93
Charging Refrigerant94
About Charging Refrigerant94
Precautions When Charging Refrigerant95
To Determine the Additional Refrigerant Amount95
To Determine the Complete Recharge Amount95
To Charge Additional Refrigerant95
To Fix the Fluorinated Greenhouse Gases Label96
Preparing Water Piping96
Water Circuit Requirements96
Formula to Calculate the Expansion Vessel Pre-Pressure99
To Check the Water Volume and Flow Rate100
Changing the Pre-Pressure of the Expansion Vessel102
To Check the Water Volume: Examples103
Connecting Water Piping103
About Connecting the Water Piping103
Precautions When Connecting the Water Piping103
Connecting the Water Piping of the Indoor Unit104
Connecting the Water Piping of the Gas Boiler105
To Fill the Space Heating Circuit106
To Fill the Domestic Water Circuit of the Gas Boiler107
To Fill the Domestic Hot Water Tank107
To Insulate the Water Piping107
Connecting the Gas Piping108
To Connect the Gas Pipe108
To Perform an Air Purge on the Gas Supply108
Electrical Installation110
About Connecting the Electrical Wiring110
Precautions When Connecting the Electrical Wiring111
Guidelines When Connecting the Electrical Wiring111
Overview of Electrical Connections Except External Actuators113
Overview of Electrical Connections for External and Internal Actuators114
About Preferential Kwh Rate Power Supply115
Connections to the Outdoor Unit116
To Connect the Electrical Wiring to the Outdoor Unit116
Connections to the Indoor Unit117
To Connect the Electrical Wiring to the Indoor Unit117
To Connect the Main Power Supply of the Indoor Unit118
To Connect the Main Power Supply of the Gas Boiler120
To Connect the Communication Cable between Gas Boiler and Indoor Unit120
To Connect the User Interface122
To Connect the Shut-Off Valve124
To Connect the Electrical Meter125
To Connect the Gas Meter125
To Connect the Domestic Hot Water Pump125
To Connect the Alarm Output126
To Connect the Space Cooling/Heating ON/OFF Output126
To Connect the Power Consumption Digital Inputs127
To Connect the Safety Thermostat (Normally Closed Contact)127
Configuration129
Indoor Unit129
Overview: Configuration129
Basic Configuration134
Advanced Configuration/Optimisation154
Menu Structure: Overview User Settings177
Menu Structure: Overview Installer Settings179
Gas Boiler180
Overview: Configuration180
Basic Configuration180
Operation190
Overview: Operation190
Heating190
Domestic Hot Water190
Flow Resistance Graph for Appliance Domestic Hot Water Circuit191
Operation Modes191
Commissioning194
Overview: Commissioning194
Precautions When Commissioning195
Checklist before Commissioning195
Checklist During Commissioning196
To Check the Minimum Flow Rate197
Air Purge Function197
To Perform a Test Run199
To Perform an Actuator Test Run200
Underfloor Heating Screed Dryout201
To Perform a Gas Pressure Test204
To Perform a Test Run on the Gas Boiler204
Hand-Over to the User206
Maintenance and Service207
Maintenance Safety Precautions207
Opening the Indoor Unit207
Checklist for Yearly Maintenance of the Outdoor Unit207
Checklist for Yearly Maintenance of the Indoor Unit208
To Disassemble the Gas Boiler209
To Clean the Inside of the Gas Boiler212
To Assemble the Gas Boiler213
Troubleshooting215
Overview: Troubleshooting215
Precautions When Troubleshooting215
Solving Problems Based on Symptoms216
Symptom: the Unit Is NOT Heating or Cooling as Expected216
Symptom: the Compressor Does NOT Start (Space Heating or Domestic Water Heating)217
Symptom: the Pump Is Making Noise (Cavitation)217
Symptom: the Pressure Relief Valve Opens218
Symptom: the Water Pressure Relief Valve Leaks218
Symptom: the Space Is NOT Sufficiently Heated at Low Outdoor Temperatures218
Symptom: the Pressure at the Tapping Point Is Temporarily Unusually High219
Symptom: Tank Disinfection Function Is NOT Completed Correctly (AH-Error)219
Symptom: Boiler Abnormality Detection (HJ-11 Error)220
Symptom: Boiler/Hydrobox Combination Abnormality (UA-52 Error)220
Symptom: the Burner Does NOT Ignite220
Symptom: the Burner Ignites Noisily221
Symptom: the Burner Resonates221
Symptom: no Space Heating by the Gas Boiler222
Symptom: the Power Is Reduced222
Symptom: Space Heating Does NOT Reach the Temperature222
Symptom: Hot Water Does NOT Reach the Temperature (no Tank Installed)222
Symptom: Hot Water Does NOT Reach the Temperature (Tank Installed)223
Solving Problems Based on Error Codes223
Error Codes: Overview223
Disposal232
Overview: Disposal232
To Pump down232
To Start and Stop Forced Cooling233
Technical Data234
Piping Diagram: Outdoor Unit234
Piping Diagram: Indoor Unit235
Wiring Diagram: Outdoor Unit236
Wiring Diagram: Indoor Unit237
Wiring Diagram: Gas Boiler243
ESP Curve: Indoor Unit244
Technical Specifications: Gas Boiler245
General245
Energy-Related Products Specifications247
Appliance Category and Supply Pressure248
Glossary252
Field Settings Table253

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