Table Of Contents - Daikin Altherma M ECH2O Series Installation And Maintenance Instructions Manual

List of contents
1 General Information. . . . . . . . . . . . . . . . . . . . 3
1.1 Refer to the manual . . . . . . . . . . . . . . . . . . . . . . . 3
1.2 Warranty conditions . . . . . . . . . . . . . . . . . . . . . . . 3
2 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1 Warnings and symbols. . . . . . . . . . . . . . . . . . . . . 4
2.1.1 Meaning of the warnings . . . . . . . . . . . . . . . . . . . . . .4
2.1.2 Validity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
2.1.3 Handling instructions. . . . . . . . . . . . . . . . . . . . . . . . .4
2.2 Avoiding danger . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.3 Intended use . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.4 Instructions for operating safety . . . . . . . . . . . . . . 5
2.4.1 Before working on the hydraulic system . . . . . . . . . .5
2.4.2 Electrical installation . . . . . . . . . . . . . . . . . . . . . . . . .5
2.4.3 Site of installation . . . . . . . . . . . . . . . . . . . . . . . . . . .6
2.4.4 Heating system and sanitary connection . . . . . . . . .6
2.4.5 Demands on the heating and pressure-free storage
water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
2.4.6 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
2.4.7 Instruct the owner . . . . . . . . . . . . . . . . . . . . . . . . . . .6
3 Product description. . . . . . . . . . . . . . . . . . . . 8
3.1 Design and components . . . . . . . . . . . . . . . . . . . 8
3.1.1 Exterior of the device and interior structure
EKHWMX(B)300C. . . . . . . . . . . . . . . . . . . . . . . . . . .8
3.1.2 Exterior of the device and interior structure
EKHWMX(B)500C. . . . . . . . . . . . . . . . . . . . . . . . . . .9
3.1.3 Upper side of the device . . . . . . . . . . . . . . . . . . . . .10
4 Set-up and installation . . . . . . . . . . . . . . . . 12
4.1 Dimensions and connections . . . . . . . . . . . . . . . 13
4.1.1 EKHWMX(B)300C. . . . . . . . . . . . . . . . . . . . . . . . . .13
4.1.2 EKHWMX(B)500C. . . . . . . . . . . . . . . . . . . . . . . . . .14
4.1.3 Scope of delivery. . . . . . . . . . . . . . . . . . . . . . . . . . .15
4.2 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4.3 Removing the cover and thermal insulation . . . . 17
4.4 Water connection . . . . . . . . . . . . . . . . . . . . . . . . 18
4.4.1 Aligning the connections of the heating supply and
return. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
4.4.2 Connecting hydraulic lines . . . . . . . . . . . . . . . . . . .20
4.4.3 Installation of the DB connection kit . . . . . . . . . . . .22
4.4.4 Installation of the P connection kit. . . . . . . . . . . . . .22
4.5 Electrical connection . . . . . . . . . . . . . . . . . . . . . 22
4.5.1 Daikin Altherma M ECH
diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
4.5.2 Position of the printed circuit boards . . . . . . . . . . . .24
4.5.3 RoCon BM2C printed circuit board connection
diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
4.5.4 Mains connection Daikin Altherma M ECH
4.5.5 Opening the controller housing and establishing
electrical connections . . . . . . . . . . . . . . . . . . . . . . .25
4.5.6 Connecting the heat pump outdoor unit . . . . . . . . .25
4.5.7 Connecting an external switching contact. . . . . . . .25
4.5.8 External requirement request (EBA) . . . . . . . . . . . .26
4.5.9 Connecting an external heat generator. . . . . . . . . .26
4.5.10 Connecting a Daikin room thermostat. . . . . . . . . . .27
4.5.11 Connecting optional Daikin RoCon system
components. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
4.5.12 Connecting a Daikin FWXV-ATV3 . . . . . . . . . . . . .28
4.5.13 Connecting switching contacts (AUX outputs) . . . .29
4.5.14 Off-peak mains connection (HT/NT) . . . . . . . . . . . .29
4.5.15 Connecting an intelligent controller
(Smart Grid - SG) . . . . . . . . . . . . . . . . . . . . . . . . . .30
4.5.16 Symbols and key names for connection and wiring
diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Installation and maintenance instructions
2
O overall connection
2
O. . . . .25
2
4.6 Filling the system on the water side . . . . . . . . . 31
4.6.1 Checking the water quality and adjusting the
pressure gauge . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
4.6.2 Filling the hot water heat exchanger . . . . . . . . . . . 31
4.6.3 Filling the storage tank . . . . . . . . . . . . . . . . . . . . . 31
4.6.4 Filling the heating system . . . . . . . . . . . . . . . . . . . 31
5 Start-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
5.1 Initial start-up. . . . . . . . . . . . . . . . . . . . . . . . . . . 33
5.1.1 Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
5.1.2 Starting the device. . . . . . . . . . . . . . . . . . . . . . . . . 33
5.1.3 Setting commissioning parameters . . . . . . . . . . . . 33
5.1.4 Bleeding the hydraulic system. . . . . . . . . . . . . . . . 34
5.1.5 Checking the minimum flow. . . . . . . . . . . . . . . . . . 35
5.1.6 Setting the parameter Screed Program
(only when required) . . . . . . . . . . . . . . . . . . . . . . . 35
5.2 Re-commissioning. . . . . . . . . . . . . . . . . . . . . . . 35
5.2.1 Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
5.2.2 Start-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
6 Taking out of operation. . . . . . . . . . . . . . . . 37
6.1 Temporary shutdown . . . . . . . . . . . . . . . . . . . . 37
6.1.1 Draining the storage tank . . . . . . . . . . . . . . . . . . . 37
6.1.2 Draining the heating circuit and hot water circuit. . 38
6.2 Final shutdown . . . . . . . . . . . . . . . . . . . . . . . . . 39
7 Service and maintenance . . . . . . . . . . . . . . 40
7.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
7.2 Activities to be performed annually . . . . . . . . . . 40
7.3 Filling, topping up the storage tank . . . . . . . . . . 41
7.4 Filling, topping up the heating system. . . . . . . . 42
7.4.1 Protecting the water circuit against freezing . . . . . 42
7.4.2 Filling, topping up steps. . . . . . . . . . . . . . . . . . . . . 43
8 Errors, malfunctions and messages . . . . . 45
8.1 Recognising errors, correcting malfunctions . . . 45
8.1.1 Current error display . . . . . . . . . . . . . . . . . . . . . . . 45
8.1.2 Reading out the protocol . . . . . . . . . . . . . . . . . . . . 45
8.1.3 Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . 45
8.2 Malfunctions . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
8.3 Error codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
8.4 Control and configuration of DIP switches . . . . 58
8.5 Emergency operation . . . . . . . . . . . . . . . . . . . . 58
9 Hydraulic system connection. . . . . . . . . . . 59
10 Technical data . . . . . . . . . . . . . . . . . . . . . . . 61
10.1 Equipment data . . . . . . . . . . . . . . . . . . . . . . . . . 61
10.1.1 EKHWMX(B)300C . . . . . . . . . . . . . . . . . . . . . . . . . 61
10.1.2 EKHWMX(B)500C . . . . . . . . . . . . . . . . . . . . . . . . . 62
10.2 Information on the type plate. . . . . . . . . . . . . . . 63
10.3 Characteristic lines . . . . . . . . . . . . . . . . . . . . . . 64
10.3.1 Sensor characteristic lines. . . . . . . . . . . . . . . . . . . 64
10.4 Tightening torque . . . . . . . . . . . . . . . . . . . . . . . 64
10.5 Circuit diagram Daikin Altherma M ECH
11 Notes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
12 List of keywords . . . . . . . . . . . . . . . . . . . . . 67
O. . . . 65
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Daikin Altherma M ECH O
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Solar storage tank with heating controller
008.1446799_00 - 07/2019 - EN