Daikin Altherma 3 R ECH2O Installation And Operating Manual

List of contents
Installation and operating manual
2
Daikin Altherma EHS(X/H)(B)-D
Daikin Altherma 3 R ECH₂O
008.1451099_00 – 07/2020
List of contents
1 General safety precautions 3
1.1 Particular safety instructions ..................................................... 3
1.1.1 Observing the instructions .......................................... 3
1.1.2 Meaning of warnings and symbols.............................. 4
1.2 Safety instructions for installation and operation....................... 4
1.2.1 General ....................................................................... 4
1.2.2 Intended use ............................................................... 5
1.2.3 Installation room.......................................................... 5
1.2.4 Electrical installation ................................................... 6
1.2.5 Requirements for heating and storage water.............. 6
1.2.6 Heating system and sanitary connection .................... 6
1.2.7 Operation .................................................................... 6
1.3 Maintenance, troubleshooting and decommissioning ............... 6
1.4 Warranty conditions................................................................... 7
2 Product description 8
2.1 Design and components............................................................ 8
2.2 Function of the 3‑way changeover valves ................................. 10
3 Set-up and installation 11
3.1 Dimensions and connection dimensions ................................... 11
3.2 Transport and delivery............................................................... 12
3.3 Installing the heat pump ............................................................ 12
3.3.1 Selecting the installation site....................................... 12
3.3.2 Installing the device .................................................... 13
3.4 Preparing the device for installation .......................................... 13
3.4.1 Remove the front screen............................................. 13
3.4.2 Remove the protective cover ...................................... 14
3.4.3 Moving the switch box to the service position............. 14
3.4.4 Open the switch box ................................................... 14
3.4.5 Removing the bottom thermal insulation..................... 15
3.4.6 Opening the air purge valve........................................ 15
3.4.7 Aligning the connections of the heating inflow and
return flow ................................................................... 16
3.4.8 Making the hood opening............................................ 17
3.4.9 Installing the rotary switch of the controller................. 17
3.4.10 Securing the hood....................................................... 17
3.5 Installing optional accessories................................................... 18
3.5.1 Installation of electric backup heater (EKBUxx).......... 18
3.5.2 Installation of the external heat generator connection
set (EKBUHSWB) ....................................................... 18
3.5.3 Installation of the DB connection kit............................ 18
3.5.4 Installation of the P connection kit .............................. 18
3.6 Water connection ...................................................................... 19
3.6.1 Minimum water volume............................................... 19
3.6.2 Connecting hydraulic lines.......................................... 19
3.6.3 Connecting the drain................................................... 20
3.7 Electrical connection ................................................................. 20
3.7.1 Overall connection diagram ........................................ 22
3.7.2 Position of the PCBs and terminal strips..................... 23
3.7.3 Mains connection........................................................ 23
3.7.4 General information on the electrical connection........ 23
3.7.5 Connecting the heat pump outdoor unit...................... 23
3.7.6 Connecting the outdoor temperature sensor
(optional) ..................................................................... 24
3.7.7 External switching contact .......................................... 24
3.7.8 EBA (external requirement request) ........................... 24
3.7.9 Connecting an external heat generator....................... 25
3.7.10 Connecting the room thermostat................................. 26
3.7.11 Connection of optional RoCon system components ... 26
3.7.12 Connecting the HP convector ..................................... 26
3.7.13 Connecting switching contacts (AUX outputs) ............ 27
3.7.14 Low rate mains connection (HT/NT) ........................... 27
3.7.15 Connecting an intelligent controller (Smart Grid - SG) 28
3.8 Connection for refrigerant.......................................................... 28
3.8.1 Laying refrigerant piping ............................................. 28
3.8.2 Pressure test and filling the refrigerant circuit.............. 28
3.9 Filling the system........................................................................ 29
3.9.1 Checking the water quality and adjusting the
manometer................................................................... 29
3.9.2 Filling hot water heat exchangers ................................ 29
3.9.3 Filling the storage tank................................................. 29
3.9.4 Filling the heating system ............................................ 29
4 Configuration 30
5 Check list for start-up 31
5.1 Requirements ............................................................................. 31
5.2 Commissioning at low ambient temperatures ............................ 31
5.3 Bleeding the hydraulic system.................................................... 31
5.4 Checking the minimum flow ....................................................... 32
5.5 Start screed drying (only if required) .......................................... 32
5.6 Commissioning checklist ............................................................ 32
5.7 Handover to the operating company .......................................... 33
6 Technical data 33
6.1 Information on the type plate...................................................... 33
6.2 Characteristic lines ..................................................................... 33
6.2.1 Sensor characteristic lines........................................... 33
6.2.2 Characteristic curves for pumps .................................. 34
6.3 Tightening torques...................................................................... 34
6.4 Minimum floor area and ventilation openings............................. 34
6.5 Electrical connection diagram .................................................... 36
6.6 Piping diagram for refrigerant circuit .......................................... 38

Daikin Altherma 3 R ECH2O Specifications

General

Refrigerant	R-32
Type	Air-to-Water Heat Pump
Energy Efficiency Class Heating	A+++
Energy Efficiency Class Cooling	A++
Operating Temperature Range Cooling	10°C to 46°C