▪ A subset of the latest technical data is available on the regional Daikin website (publicly accessible). WARNING ▪ The full set of latest technical data is available on the Daikin Fixing method of the indoor unit MUST be in accordance Business Portal (authentication required).
WARNING The backup heater MUST have a dedicated power supply and MUST be protected by the safety devices required by the applicable legislation. ETSH/X(B)12P30+50EF Installation manual Daikin Altherma 3 H MT ECH₂O 4P663479-1 – 2021.07...
If you have limited installation space, do the following before installing the unit in its final position: "4.3.2 To drain" [ 4 8]. connect the drain hose to the Screw plug Assembly wrench Handle Installation manual ETSH/X(B)12P30+50EF Daikin Altherma 3 H MT ECH₂O 4P663479-1 – 2021.07...
4 If necessary, remove the top cover. This is necessary in the following cases: ▪ Connecting water piping ▪ Connecting BIV or DB-kit ▪ Connecting backup heater ETSH/X(B)12P30+50EF Installation manual Daikin Altherma 3 H MT ECH₂O 4P663479-1 – 2021.07...
In case of plastic pipes, make sure they are fully oxygen diffusion tight according to DIN 4726. The diffusion of oxygen into the piping can lead to excessive corrosion. Installation manual ETSH/X(B)12P30+50EF Daikin Altherma 3 H MT ECH₂O 4P663479-1 – 2021.07...
Minimum water volume Check that the total water volume in the installation is minimum 20 litres, the internal water volume of the outdoor unit NOT included. ETSH/X(B)12P30+50EF Installation manual Daikin Altherma 3 H MT ECH₂O 4P663479-1 – 2021.07...
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5 Connect the domestic hot water in and out pipes to the indoor unit. Do NOT exceed the maximum tightening torque (Thread size 1", 25-30 N•m). To avoid damage, apply the necessary countertorque with a suitable tool. Installation manual ETSH/X(B)12P30+50EF Daikin Altherma 3 H MT ECH₂O 4P663479-1 – 2021.07...
(maintenance, parts replacement). 100% Hose with a non-return valve (1/2") and an external manometer (field supply) Fill and drain valve Space heating/cooling water OUT Space heating/cooling water IN ETSH/X(B)12P30+50EF Installation manual Daikin Altherma 3 H MT ECH₂O 4P663479-1 – 2021.07...
Adding glycol to the water lowers the freezing point of water. piping from freezing. ▪ Protection against freezing: the glycol will prevent the liquid inside the piping from freezing. Installation manual ETSH/X(B)12P30+50EF Daikin Altherma 3 H MT ECH₂O 4P663479-1 – 2021.07...
Hose with non-return valve (1/2") 6 Do air purge on the bivalent heating circuit. 7 Check for water leaks. ETSH/X(B)12P30+50EF Installation manual Daikin Altherma 3 H MT ECH₂O 4P663479-1 – 2021.07...
"6.3.4 To connect the backup heater to the main unit" [ 4 19]. Shut-off valve "6.3.5 To connect the shut-off valve" [ 4 19]. Electricity meters "6.3.6 To connect the electricity meters" [ 4 20]. Installation manual ETSH/X(B)12P30+50EF Daikin Altherma 3 H MT ECH₂O 4P663479-1 – 2021.07...
Wireless room thermostat ▪ Installation manual of the wireless room thermostat ▪ Addendum book optional equipment Wired room thermostat ▪ Installation manual of the wired room without multi-zoning base thermostat unit ▪ Addendum book optional equipment ETSH/X(B)12P30+50EF Installation manual Daikin Altherma 3 H MT ECH₂O 4P663479-1 – 2021.07...
2 Connect the main power supply. In case of normal kWh rate power supply Interconnection Wires: (3+GND)×1.5 mm² cable Power supply Wires: 1N+GND indoor unit Maximum running current: 6.3 A — Installation manual ETSH/X(B)12P30+50EF Daikin Altherma 3 H MT ECH₂O 4P663479-1 – 2021.07...
MUST be protected by the safety devices required by the applicable legislation. CAUTION To guarantee the unit is completely earthed, ALWAYS connect the backup heater power supply and the earth cable. ETSH/X(B)12P30+50EF Installation manual Daikin Altherma 3 H MT ECH₂O 4P663479-1 – 2021.07...
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Connect the backup heater power supply as follows: 1N~, 50 Hz 230 V AC Model (power Connections to backup heater power supply) supply *3V (3V: 1N~ 230 V) SWB2 Q1DI 1N~, 50 Hz 230 V AC Installation manual ETSH/X(B)12P30+50EF Daikin Altherma 3 H MT ECH₂O 4P663479-1 – 2021.07...
2 Switch box 3 Switch box cover 4 Top cover 2 Connect both connection cables from the backup heater EKECBU* to the appropriate connectors as shown in the illustration below. ETSH/X(B)12P30+50EF Installation manual Daikin Altherma 3 H MT ECH₂O 4P663479-1 – 2021.07...
3 Switch box cover terminals as shown in the illustration below. 4 Top cover 2 Connect the electricity meters cable to the appropriate terminals as shown in the illustration below. Installation manual ETSH/X(B)12P30+50EF Daikin Altherma 3 H MT ECH₂O 4P663479-1 – 2021.07...
2 Connect the alarm output cable to the appropriate terminals as 4 Top cover shown in the illustration below. 2 Connect the space cooling/heating ON/OFF output cable to the appropriate terminals as shown in the illustration below. ETSH/X(B)12P30+50EF Installation manual Daikin Altherma 3 H MT ECH₂O 4P663479-1 – 2021.07...
4 Top cover 2 Install the switch box metal insert. 2 Connect the changeover to external heat source cable to the appropriate terminals as shown in the illustration below. Installation manual ETSH/X(B)12P30+50EF Daikin Altherma 3 H MT ECH₂O 4P663479-1 – 2021.07...
8H-03 will occur. Safety thermostat contact: 16 V DC detection (voltage supplied by PCB). The voltage-free contact shall ensure the minimum applicable load of 15 V DC, 10 mA. ETSH/X(B)12P30+50EF Installation manual Daikin Altherma 3 H MT ECH₂O 4P663479-1 – 2021.07...
Jumper (factory-mounted). If you also connect a safety thermostat (Q4L), replace the jumper with the safety thermostat wires. Smart Grid pulse meter 1 Install the switch box metal insert. Installation manual ETSH/X(B)12P30+50EF Daikin Altherma 3 H MT ECH₂O 4P663479-1 – 2021.07...
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3 Install the components of the Smart Grid relay kit as follows: 9 10 X 5M.10 X 5M.9 X 5M 2× 2× 5 Connect the high voltage wiring as follows: ETSH/X(B)12P30+50EF Installation manual Daikin Altherma 3 H MT ECH₂O 4P663479-1 – 2021.07...
2 Connect the DHW signal cable as shown in the illustration below. 6.3.15 To connect the solar input Wires: 0.5 mm² Solar input contact: 5 V DC (voltage supplied by PCB) Installation manual ETSH/X(B)12P30+50EF Daikin Altherma 3 H MT ECH₂O 4P663479-1 – 2021.07...
(via the unit), the configuration wizard starts to help you configure the system. The Advanced user pin code is 1234. Additional menu items for the user are now visible. ETSH/X(B)12P30+50EF Installation manual Daikin Altherma 3 H MT ECH₂O 4P663479-1 – 2021.07...
When confirmed, the system will restart and recent changes will be applied. Installation manual ETSH/X(B)12P30+50EF Daikin Altherma 3 H MT ECH₂O 4P663479-1 – 2021.07...
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Code Description Only one leaving water temperature zone: [E-0D] Glycol Filled system: Is the system filled with glycol? ▪ 0: No ▪ 1: Yes a Main LWT zone ETSH/X(B)12P30+50EF Installation manual Daikin Altherma 3 H MT ECH₂O 4P663479-1 – 2021.07...
If the storage temperature setpoint is higher than 50°C and 0: Underfloor Maximum 55°C Variable no auxiliary boiler is installed, Daikin recommends NOT to heating disable the backup heater second step because it will have 1: Fancoil unit Maximum 55°C...
Influence of the LWT setpoint mode [2.4] is as follows: ▪ In Fixed LWT setpoint mode, the scheduled actions consist of desired leaving water temperatures, either preset or custom. ETSH/X(B)12P30+50EF Installation manual Daikin Altherma 3 H MT ECH₂O 4P663479-1 – 2021.07...
ON/OFF condition. 7.4.2 Additional zone Thermostat type Only applicable in external room thermostat control. For more info zone" [ 4 34]. about the functionality, see "7.4.1 Main Installation manual ETSH/X(B)12P30+50EF Daikin Altherma 3 H MT ECH₂O 4P663479-1 – 2021.07...
Main zone pump fixed PWM Mixing valve turning time Only applicable in Swedish language. INFORMATION Depending on the selected installer settings and unit type, settings will be visible/invisible. ETSH/X(B)12P30+50EF Installation manual Daikin Altherma 3 H MT ECH₂O 4P663479-1 – 2021.07...
The power supply voltage matches the voltage on the commissioning checklist is also available on the Daikin identification label of the unit. Business Portal (authentication required). There are NO loose connections or damaged electrical The general commissioning checklist is complementary to components in the switch box.
4 27]. change the user permission 2 Select OK to confirm. 2 Go to [A.2]: Commissioning > Actuator test run. 3 Select a test from the list. Example: Pump. ETSH/X(B)12P30+50EF Installation manual Daikin Altherma 3 H MT ECH₂O 4P663479-1 – 2021.07...
▪ Show the user what to do for the maintenance of the unit. ▪ Explain the user about energy saving tips as described in the operation manual. Installation manual ETSH/X(B)12P30+50EF Daikin Altherma 3 H MT ECH₂O 4P663479-1 – 2021.07...
10 Technical data Technical data A subset of the latest technical data is available on the regional Daikin website (publicly accessible). The full set of latest technical data is available on the Daikin Business Portal (authentication required). 10.1 Piping diagram: Indoor unit...
Position in switch box English Translation SWB1 Main switch box (1) Main power connection (1) Main power connection SWB2 Backup heater switch box Outdoor unit Outdoor unit SWB1 Switch box Installation manual ETSH/X(B)12P30+50EF Daikin Altherma 3 H MT ECH₂O 4P663479-1 – 2021.07...
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Shut-off valve Shut-off valve Smartgrid contacts Smart Grid contacts Smartgrid feed-in Smart Grid feed-in Solar input Solar input Space C/H On/OFF output Space cooling/heating On/OFF output SWB1 Switch box ETSH/X(B)12P30+50EF Installation manual Daikin Altherma 3 H MT ECH₂O 4P663479-1 – 2021.07...
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2 core Power limitation demand input 4 Only for remote user interface 2 core A8P: X801M: 4-5 signal 2×0.75 X 5M: 11-12 A14P: P1-P2 user interface communication 4D132247 Installation manual ETSH/X(B)12P30+50EF Daikin Altherma 3 H MT ECH₂O 4P663479-1 – 2021.07...
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4P663479-1 0000000X 4P663479-1 2021.07 Verantwortung für Energie und Umwelt...
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