Daikin Altherma 3 H MT ECH2O ETSHB12P30E Series Installation Manual
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Installation manual
Daikin Altherma 3 H MT ECH₂O
ETSH12P30E▲▼
ETSH12P50E▲▼
ETSHB12P30E▲▼
ETSHB12P50E▲▼
ETSX12P30E▲▼
ETSX12P50E▲▼
ETSXB12P30E▲▼
ETSXB12P50E▲▼
Installation manual
English
▲= 1, 2, 3, ..., 9, A, B, C, ..., Z
Daikin Altherma 3 H MT ECH₂O
▼= , , 1, 2, 3, ..., 9
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Summary of Contents for Daikin Altherma 3 H MT ECH2O ETSHB12P30E Series
- Page 1 Installation manual Daikin Altherma 3 H MT ECH₂O ETSH12P30E▲▼ ETSH12P50E▲▼ ETSHB12P30E▲▼ ETSHB12P50E▲▼ ETSX12P30E▲▼ ETSX12P50E▲▼ ETSXB12P30E▲▼ ETSXB12P50E▲▼ Installation manual English ▲= 1, 2, 3, …, 9, A, B, C, …, Z Daikin Altherma 3 H MT ECH₂O ▼= , , 1, 2, 3, …, 9...
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Page 2: Table Of Contents
▪ Detailed step-by-step instructions and background information 6.3.9 To connect the space cooling/heating ON/OFF for basic and advanced usage output ................20 ▪ Format: Digital files on https://www.daikin.eu. Use the search 6.3.10 To connect the changeover to external heat source... 21 function to find your model. -
Page 3: Specific Installer Safety Instructions
Daikin website (publicly accessible). into contact with live parts. ▪ The full set of the latest technical data is available on the Daikin ▪ Before the filling process, de-energise the unit. Business Portal (authentication required). -
Page 4: About The Box
The rear locking parts are maybe no longer accessible when the indoor unit is at the final installation unit" [ 4 5]). location. (see "4.2.1 To open the indoor Installation manual ETSH/X(B)12P30+50EG Daikin Altherma 3 H MT ECH₂O 4P759872-1B – 2025.03... -
Page 5: Unit Installation
Install the indoor unit at a minimum distance of 1 m from other heat sources (>80°C) (e.g. electrical heater, oil heater, chimney) and combustible materials. Otherwise the unit may be damaged or in extreme cases catch fire. ETSH/X(B)12P30+50EG Installation manual Daikin Altherma 3 H MT ECH₂O 4P759872-1B – 2025.03... - Page 6 4 Hang the switch box in the lugs. 5 Remove the switch box cover. 3 Lift the top cover out of its mounting using the two front legs. Installation manual ETSH/X(B)12P30+50EG Daikin Altherma 3 H MT ECH₂O 4P759872-1B – 2025.03...
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Page 7: To Close The Indoor Unit
When closing the indoor unit, make sure that the tightening torque does NOT exceed 4.1 N•m. Screw plug Assembly wrench Spillover connector 2 Insert the spillover connector into the screw plug. 3 Mount the spillover connector. ETSH/X(B)12P30+50EG Installation manual Daikin Altherma 3 H MT ECH₂O 4P759872-1B – 2025.03... -
Page 8: Piping Installation
NOT ▪ You MUST check the minimum water volume and the minimum exceeded. The minimum water pressure to operate is 1 bar flow rate. (=0.1 MPa). Installation manual ETSH/X(B)12P30+50EG Daikin Altherma 3 H MT ECH₂O 4P759872-1B – 2025.03... -
Page 9: Connecting Water Piping
25-30 N•m). To avoid damage, apply the necessary countertorque with a suitable tool. ≤Ø7 mm 5 Connect the domestic hot water in and out pipes to the indoor unit. ETSH/X(B)12P30+50EG Installation manual Daikin Altherma 3 H MT ECH₂O 4P759872-1B – 2025.03... - Page 10 10 bar (=1 MPa) must be installed on the domestic cold water inlet connection in accordance with the applicable legislation. 7 Install the thermal insulation of the hydraulic block. Installation manual ETSH/X(B)12P30+50EG Daikin Altherma 3 H MT ECH₂O 4P759872-1B – 2025.03...
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Page 11: To Connect The Expansion Vessel
1 Connect a hose with a non-return valve (1/2") and an external pump in case of low temperatures. manometer (field supply) to a water tap and the fill and drain valve. Secure the hose against slipping off. ETSH/X(B)12P30+50EG Installation manual Daikin Altherma 3 H MT ECH₂O 4P759872-1B – 2025.03... -
Page 12: To Fill The Heat Exchanger Inside The Storage Tank
Prevent from supply filling kit. Make sure you comply with the applicable outdoor bursting freezing legislation. temperature –5°C 1 Open the shut-off valve for the cold water supply. –10°C Installation manual ETSH/X(B)12P30+50EG Daikin Altherma 3 H MT ECH₂O 4P759872-1B – 2025.03... -
Page 13: To Fill The Storage Tank
Follow the steps described in the previous chapter. Electricity meters "6.3.6 To connect the electricity meters" [ 4 19]. Domestic hot water "6.3.7 To connect the domestic hot pump" [ 4 19]. pump water ETSH/X(B)12P30+50EG Installation manual Daikin Altherma 3 H MT ECH₂O 4P759872-1B – 2025.03... - Page 14 ▪ Installation manual of the wired room For the additional zone: without multi-zoning base thermostat ▪ [3.A] Ext thermostat type unit ▪ Addendum book optional equipment ▪ [3.9] (read-only) Control Installation manual ETSH/X(B)12P30+50EG Daikin Altherma 3 H MT ECH₂O 4P759872-1B – 2025.03...
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Page 15: To Connect The Electrical Wiring To The Indoor Unit
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 — ETSH/X(B)12P30+50EG Installation manual Daikin Altherma 3 H MT ECH₂O 4P759872-1B – 2025.03... -
Page 16: To Connect The Backup Heater Power Supply
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. Installation manual ETSH/X(B)12P30+50EG Daikin Altherma 3 H MT ECH₂O 4P759872-1B – 2025.03... - Page 17 Connect the backup heater power supply as follows: Model (power Connections to backup heater power supply) supply *3V (3V: 1N~ 230 V) SWB2 Q1DI 1N~, 50 Hz 230 V AC ETSH/X(B)12P30+50EG Installation manual Daikin Altherma 3 H MT ECH₂O 4P759872-1B – 2025.03...
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Page 18: To Connect The Backup Heater To The Main Unit
3 Switch box cover 4 Top cover 5 Side panel 2 Connect both connection cables from the backup heater EKECBU* to the appropriate connectors as shown in the illustration below. Installation manual ETSH/X(B)12P30+50EG Daikin Altherma 3 H MT ECH₂O 4P759872-1B – 2025.03... -
Page 19: To Connect The Electricity Meters
4 Top cover 5 Side panel 2 Connect the electricity meters cable to the appropriate terminals as shown in the illustration below. ETSH/X(B)12P30+50EG Installation manual Daikin Altherma 3 H MT ECH₂O 4P759872-1B – 2025.03... -
Page 20: To Connect The Alarm Output
2 Connect the alarm output cable to the appropriate terminals as 5 Side panel 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. Installation manual ETSH/X(B)12P30+50EG Daikin Altherma 3 H MT ECH₂O 4P759872-1B – 2025.03... -
Page 21: To Connect The Changeover To External Heat Source
3 Switch box cover 4 Top cover 5 Side panel 2 Connect the changeover to external heat source cable to the appropriate terminals as shown in the illustration below. ETSH/X(B)12P30+50EG Installation manual Daikin Altherma 3 H MT ECH₂O 4P759872-1B – 2025.03... -
Page 22: To Connect The Safety Thermostat (Normally Closed Contact)
▪ The safety thermostat has a maximum temperature variation rate of 2°C/min. ▪ There is a minimum distance of 2 m between the safety thermostat and the 3‑way valve. Installation manual ETSH/X(B)12P30+50EG Daikin Altherma 3 H MT ECH₂O 4P759872-1B – 2025.03... -
Page 23: Smart Grid
STEP 3 STEP 1 STEP 2 STEP 1 Smart Grid relay kit installation STEP 2 Low voltage connections STEP 3 High voltage connections High voltage Smart Grid contact 1 ETSH/X(B)12P30+50EG Installation manual Daikin Altherma 3 H MT ECH₂O 4P759872-1B – 2025.03... - Page 24 X12M.25 X12M.23 X15M.3 X15M.4 X12M.25 X12M.24 X15M.5 X15M.6 4 Connect the low voltage wiring as follows: 3 Install the components of the Smart Grid relay kit as follows: Installation manual ETSH/X(B)12P30+50EG Daikin Altherma 3 H MT ECH₂O 4P759872-1B – 2025.03...
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Page 25: To Connect The Wlan Cartridge (Delivered As Accessory)
X12M 6 Fix the cable with cable ties to the cable tie mountings. General information, see "6.3.1 To connect the electrical wiring to the unit" [ 4 15]. indoor ETSH/X(B)12P30+50EG Installation manual Daikin Altherma 3 H MT ECH₂O 4P759872-1B – 2025.03... -
Page 26: To Connect The Dhw Output
To restart the configuration wizard, Installer settings > Configuration wizard. To access Installer settings, see commands" [ 4 27]. "7.1.1 To access the most used Installation manual ETSH/X(B)12P30+50EG Daikin Altherma 3 H MT ECH₂O 4P759872-1B – 2025.03... -
Page 27: To Access The Most Used Commands
Use this wizard to set the most important initial settings for the unit to run properly. If required, you can afterwards configure more settings. You can change all these settings via the menu structure. ETSH/X(B)12P30+50EG Installation manual Daikin Altherma 3 H MT ECH₂O 4P759872-1B – 2025.03... -
Page 28: Configuration Wizard: Language
Malfunctioning main menu screen. To keep energy consumption low, we recommend to set Emergency to auto SH reduced/DHW off if the house is unattended for longer periods. Installation manual ETSH/X(B)12P30+50EG Daikin Altherma 3 H MT ECH₂O 4P759872-1B – 2025.03... -
Page 29: Configuration Wizard: Backup Heater
Keep in mind that this valve might not be shown on the illustrations. If the storage temperature setpoint is higher than 50°C and no auxiliary boiler is installed, Daikin recommends NOT to Glycol Filled system disable the backup heater second step because it will have... -
Page 30: Configuration Wizard: Main Zone
[3.7] [2‑0D] ▪ 0: Underfloor heating increase the maximum modulation [2.C]. ▪ 1: Fancoil unit Control ▪ 2: Radiator Define how the operation of the unit is controlled. Installation manual ETSH/X(B)12P30+50EG Daikin Altherma 3 H MT ECH₂O 4P759872-1B – 2025.03... -
Page 31: Configuration Wizard: Tank
You can use this setting to limit the temperature at the hot water taps. The maximum temperature is NOT applicable during disinfection function. See disinfection function. To set the heat pump ON hysteresis: ETSH/X(B)12P30+50EG Installation manual Daikin Altherma 3 H MT ECH₂O 4P759872-1B – 2025.03... -
Page 32: Slope-Offset Curve
Main zone – Cooling [2.4] Main zone > Setpoint Weather dependent mode Additional zone – Heating [3.4] Additional zone > WD heating, fixed cooling Setpoint mode OR Weather dependent Installation manual ETSH/X(B)12P30+50EG Daikin Altherma 3 H MT ECH₂O 4P759872-1B – 2025.03... -
Page 33: Settings Menu
Number that users can call in case of You feel … Fine-tune with problems. setpoints: At regular outdoor At cold outdoor temperatures … temperatures … Cold ↑ — ↑ — ETSH/X(B)12P30+50EG Installation manual Daikin Altherma 3 H MT ECH₂O 4P759872-1B – 2025.03... -
Page 34: Menu Structure: Overview Installer Settings
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. Installation manual ETSH/X(B)12P30+50EG Daikin Altherma 3 H MT ECH₂O 4P759872-1B – 2025.03... -
Page 35: Commissioning
There are NO loose connections or damaged electrical commissioning checklist is also available on the Daikin components in the switch box. Business Portal (authentication required). There are NO damaged components or squeezed The general commissioning checklist is complementary to pipes on the inside of the indoor and outdoor units. -
Page 36: To Perform An Air Purge
If the outdoor temperature is outside the range of EKMIKPHA) operation, the unit may NOT operate or may NOT deliver ▪ Bizone mixing valve test (bizone kit EKMIKPOA or the required capacity. EKMIKPHA) Installation manual ETSH/X(B)12P30+50EG Daikin Altherma 3 H MT ECH₂O 4P759872-1B – 2025.03... -
Page 37: To Perform An Underfloor Heating Screed Dryout
UA 17 is output at AL 3 * ECH2O. Hand-over to the user Once the test run is finished and the unit operates properly, make sure the following is clear for the user: ETSH/X(B)12P30+50EG Installation manual Daikin Altherma 3 H MT ECH₂O 4P759872-1B – 2025.03... -
Page 38: 10 Technical Data
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 the latest technical data is available on the Daikin Business Portal (authentication required). 10.1 Piping diagram: Indoor unit... -
Page 39: Wiring Diagram: Indoor Unit
(1) Main power connection (1) Main power connection SWB1 Main switch box Outdoor unit Outdoor unit SWB2 Backup heater switch box SWB1 Switch box (2) User interface (2) User interface ETSH/X(B)12P30+50EG Installation manual Daikin Altherma 3 H MT ECH₂O 4P759872-1B – 2025.03... - Page 40 Smart Grid contacts Smart Grid 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 (4) Option PCBs (4) Option PCBs Installation manual ETSH/X(B)12P30+50EG Daikin Altherma 3 H MT ECH₂O 4P759872-1B – 2025.03...
- Page 41 A14P: P1-P2 user interface Power limitation A8P: X801M: 4-5 user interface communication demand input 4 signal 2 core 2x0.75 Only for LAN adapter A13P: P1-P2 user interface communication 4D132247 D ETSH/X(B)12P30+50EG Installation manual Daikin Altherma 3 H MT ECH₂O 4P759872-1B – 2025.03...
- Page 44 4P759872-1 B 00000009 4P759872-1B 2025.03...
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