Daikin EHSX16P50BA [3/84] Technical data 71
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Daikin EHSX16P50BA [3/84] Technical data 71

Daikin EHSX16P50BB [3/84] Technical data 71
List of contents
Daikin Altherma EHS(X/H)
Daikin Altherma integrated solar unit
008.1441399_02 – 01/2021 – EN
Installation and operating instructions
3
1 General Information . . . . . . . . . . . . . . . . . . . 4
1.1 Observing instructions . . . . . . . . . . . . . . . . . . . .4
2 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.1 Warning signs and explanation of symbols. . . . .5
2.1.1 Meaning of the warnings . . . . . . . . . . . . . . . . . . . . 5
2.1.2 Validity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.1.3 Handling instructions . . . . . . . . . . . . . . . . . . . . . . . 5
2.2 Avoiding danger . . . . . . . . . . . . . . . . . . . . . . . . .6
2.3 Intended use . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
2.4 Instructions for operating safety . . . . . . . . . . . . .6
2.4.1 Before working on the hydraulic system . . . . . . . . 6
2.4.2 Electrical installation . . . . . . . . . . . . . . . . . . . . . . . 7
2.4.3 Working on cooling systems (heat pump) . . . . . . . 7
2.4.4 Site of installation . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.4.5 Requirements for the heating and storage water . 8
2.4.6 Heating system and sanitary connection. . . . . . . . 8
2.4.7 Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.4.8 Instruct the operator . . . . . . . . . . . . . . . . . . . . . . . 9
3 Product description . . . . . . . . . . . . . . . . . . 10
3.1 Design and components . . . . . . . . . . . . . . . . . .10
3.1.1 Top of unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.1.2 Device housing and internal design
Daikin Altherma EHS(X/H)…P30B . . . . . . . . . . . 11
3.1.3 Device housing and internal design
Daikin Altherma EHS(X/H)B …P30B. . . . . . . . . . 12
3.1.4 Device housing and internal design
Daikin Altherma EHS(X/H)…P30B . . . . . . . . . . . 13
3.1.5 Device housing and internal design
Daikin Altherma EHS(X/H) B…P50B. . . . . . . . . . 14
4 Set-up and installation . . . . . . . . . . . . . . . . 16
4.1 Dimensions and connections . . . . . . . . . . . . . .17
4.1.1 Daikin Altherma EHS(X/H)…P30B . . . . . . . . . . . 17
4.1.2 Daikin Altherma EHS(X/H)…P50B . . . . . . . . . . . 18
4.1.3 Scope of delivery. . . . . . . . . . . . . . . . . . . . . . . . . 19
4.2 Set-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
4.3 Remove cover hood and heat insulation. . . . . .21
4.4 Water connection . . . . . . . . . . . . . . . . . . . . . . .22
4.4.1 Aligning the connections of the heating feed and
return flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
4.4.2 Connecting hydraulic lines. . . . . . . . . . . . . . . . . . 24
4.4.3 Assembly DB connection kit . . . . . . . . . . . . . . . . 25
4.4.4 Assembly Biv connection kit . . . . . . . . . . . . . . . . 25
4.5 Electrical connection . . . . . . . . . . . . . . . . . . . . .26
4.5.1 Overall connection plan
Daikin Altherma EHS(X/H) . . . . . . . . . . . . . . . . . 27
4.5.2 Position of the circuit boards . . . . . . . . . . . . . . . . 28
4.5.3 Connection assignment, circuit board A1P . . . . . 28
4.5.4 Terminal assignment for the RTX-EHS circuit
board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
4.5.5 Connection assignment, circuit board
RoCon BM1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
4.5.6 Mains connection Daikin Altherma EHS(X/H) . . . 29
4.5.7 Open controller housing and making the electrical
connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
4.5.8 Connection of ERLQ exterior heat pump unit . . . 30
4.5.9 Connection of external temperature sensor
RoCon OT1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
4.5.10 Connection of an external switching contact . . . . 31
4.5.11 External demand signal (EDS) . . . . . . . . . . . . . . 31
4.5.12 Connection of the electrical Daikin Backup-Heater
(EKBUxx). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
4.5.13 Connection of an external heat generator . . . . . . 33
4.5.14 Connection of the Daikin room thermostat . . . . . 34
4.5.15 Connection optional RoCon system components 35
4.5.16 Connection of the Daikin FWXV(15/20)AVEB . . . 35
4.5.17 Connection switch contacts (AUX outputs) . . . . . 36
4.5.18 Low tariff mains connection (HT/NT) . . . . . . . . . . 36
4.5.19 Connection intelligent controller
(Smart Grid - SG). . . . . . . . . . . . . . . . . . . . . . . . . 37
4.5.20 Symbols and legend keys on connection and
circuit diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . 37
4.6 Laying coolant lines . . . . . . . . . . . . . . . . . . . . . 40
4.7 Pressure test and filling the coolant circuit. . . . 40
4.8 Filling the system with water . . . . . . . . . . . . . . 40
4.8.1 Checking the water quality and adjusting the
pressure gauge . . . . . . . . . . . . . . . . . . . . . . . . . . 40
4.8.2 Filling the hot water heat exchanger . . . . . . . . . . 41
4.8.3 Filling the storage tank. . . . . . . . . . . . . . . . . . . . . 41
4.8.4 Filling the heating system . . . . . . . . . . . . . . . . . . 41
5 Start-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
5.1 Initial start-up . . . . . . . . . . . . . . . . . . . . . . . . . . 42
5.1.1 Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
5.1.2 Start-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
5.1.3 Set the commissioning parameters . . . . . . . . . . . 43
5.1.4 Venting the hydraulics . . . . . . . . . . . . . . . . . . . . . 43
5.1.5 Check the minimum flow rate. . . . . . . . . . . . . . . . 44
5.1.6 Configuring Screed Program parameters
(only if necessary) . . . . . . . . . . . . . . . . . . . . . . . . 44
5.2 Re-commissioning . . . . . . . . . . . . . . . . . . . . . . 45
5.2.1 Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
5.2.2 Start-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
6 Decommissioning . . . . . . . . . . . . . . . . . . . . 46
6.1 Temporary shutdown . . . . . . . . . . . . . . . . . . . . 46
6.1.1 Draining the storage tank. . . . . . . . . . . . . . . . . . . 46
6.1.2 Draining the heating circuit and hot water circuit . 47
6.2 Final shutdown. . . . . . . . . . . . . . . . . . . . . . . . . 48
7 Service and maintenance. . . . . . . . . . . . . . 50
7.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
7.2 Activities to be performed annually . . . . . . . . . 51
7.3 Filling and topping up the storage tank . . . . . . 53
7.4 Filling and topping up the heating system . . . . 54
8 Errors, malfunctions and messages . . . . . 56
8.1 Recognising errors, correcting malfunctions . . 56
8.1.1 Current fault display. . . . . . . . . . . . . . . . . . . . . . . 56
8.1.2 Read Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
8.1.3 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . 56
8.2 Malfunctions . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
8.3 Fault codes. . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
8.4 Monitoring and configuration DIP Switch . . . . . 67
8.5 Emergency operation . . . . . . . . . . . . . . . . . . . . 67
9 Hydraulic system connection . . . . . . . . . . 68
10 Technical data . . . . . . . . . . . . . . . . . . . . . . . 71
10.1 Equipment data . . . . . . . . . . . . . . . . . . . . . . . . 71
10.1.1 Daikin Altherma EHS(X/H)…P30B . . . . . . . . . . . 71
10.1.2 Daikin Altherma EHS(X/H)…P50B . . . . . . . . . . . 74
10.2 Characteristic lines. . . . . . . . . . . . . . . . . . . . . . 76
10.2.1 Sensor characteristic lines. . . . . . . . . . . . . . . . . . 76
10.2.2 Characteristic curves for pumps . . . . . . . . . . . . . 78
10.3 Tightening torque . . . . . . . . . . . . . . . . . . . . . . 78
10.4 Circuit diagram Daikin Altherma EHS(X/H) . . . 79
11 Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
12 List of keywords . . . . . . . . . . . . . . . . . . . . . 83

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