Danfoss Termix Solar A+ Operating Manual

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Operating Guide

Termix Solar A+/B+/S+

1.0 Table of Contents

1.0 Table of Contents ............................................. 1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

2.0 Functional description...................................... 3

3.0 Safety notes..................................................... 4

3.1

Safety Notes – general . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

4.0 Mounting ........................................................ 5

4.1

Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

4.2

Electrical connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

5.0 Design............................................................. 8

5.1

Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

5.2

Schematic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

5.3

Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

5.4

Schematic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

6.0 Controls .......................................................... 12

6.1

DHW temperature control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

6.2

Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

7.0 Troubleshooting .............................................. 16

7.1

Troubleshooting in general . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

7.2

Troubleshooting DHW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

7.3

Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

8.0 Declaration...................................................... 19

8.1

Declaration of conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

AQ173986472867en-010501 / LUK38016 | 1

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Summary of Contents for Danfoss Termix Solar A+

Page 3 DHW heat exchanger with a thermostatic control. Therefore this type of regulation can be used by low pressure in the cold water mains. AQ173986472867en-010501 / LUK38016 © Danfoss | 2024.01 | 3...
Page 4 REACH All Danfoss A/S products fulﬁll the requirements in REACH. One of the obligations in REACH is to inform customers about presence of Candidate list substances if any, we hereby inform...
Page 5 Assembly, start-up and maintenance work must be performed by primary supply to Danfoss substations. For the sake of simplicity, qualiﬁed and authorized personnel only. DH can be taken to mean the primary supply.
Page 6 If a strainer is supplied with the station it must be ﬁtted according to schematic diagram. Please note that the strainer may be supplied loose. Connections Internal installation and district heating pipes connections must be made using threaded, ﬂanged or welded connections. AQ173986472867en-010501 / LUK38016 6 | © Danfoss | 2024.01...
Page 7 They should not be placed close to doors, windows or ventilation outlets. The outdoor sensor must be connected to the station on the terminal block under the electronic control. AQ173986472867en-010501 / LUK38016 © Danfoss | 2024.01 | 7...
Page 8 Your substation might look different than the substation shown. Design description B Heat exchanger, DHW 13 Charging pump M Electrical wiring box 21 To be ordered separately 35 Ball valve/non-return valve Thermostatic controller, DHW 45 Flow switch AQ173986472867en-010501 / LUK38016 8 | © Danfoss | 2024.01...
Page 9 35 Ball valve/non-return valve Thermostatic valve 13 Charging pump 45 Flow switch Ball valve DHW: Domestic Hot Water DCW: Domestic Cold Water BT Supply: Buffer tank supply BT Return: Buffer tank return AQ173986472867en-010501 / LUK38016 © Danfoss | 2024.01 | 9...
Page 10 21 To be ordered separately 35 Ball valve/non-return valve M Electrical wiring box 11A DHW pump, with built in check valve 45 Flow switch Single check valve Charging pump Safety valve AQ173986472867en-010501 / LUK38016 10 | © Danfoss | 2024.01...
Page 11 Gasketed HEX (B+): Gasket material (HEX): EPDM per. Heat exchangers test pressure: 13 bar Brazed HEX (S+): Brazing material (HEX): Stainless steel Heat exchangers test pressure: 24 bar Sound level: ≤ 55 dB AQ173986472867en-010501 / LUK38016 © Danfoss | 2024.01 | 11...
Page 12 The variable speed modulating modes allow the pump to match its performance to the system requirements, helping to reduce noise when thermostatic valves are closing down. Energy labelling class A AQ173986472867en-010501 / LUK38016 12 | © Danfoss | 2024.01...
Page 13 Constant Curve 3 — MAX � � � Alarm status Function: Recommended for: Green Yellow Yellow Yellow Power Supply failure Blocked � � Supply voltage low � � Electrical error � � AQ173986472867en-010501 / LUK38016 © Danfoss | 2024.01 | 13...
Page 14 Operating Guide Termix Solar A+/B+/S+ 6.1.4 Domestic hot water pump The domestic hot water pump can be programmed with the desired time programme. AQ173986472867en-010501 / LUK38016 14 | © Danfoss | 2024.01...
Page 15 Venting Checking that the system is thoroughly vented. Inspections should be carried out minimum every two years. Spare parts can be ordered from Danfoss. Please ensure that any enquiry includes the substation serial number. AQ173986472867en-010501 / LUK38016 © Danfoss | 2024.01 | 15...
Page 16 (local) differential pressure in the DH network – if in doubt, ask the DH plant supervisor, • pressure on the system - check the HE pressure gauge. AQ173986472867en-010501 / LUK38016 16 | © Danfoss | 2024.01...
Page 17 Thermostatic control valve does not close Temperature difference between DH Lower the set point temperature or increase supply and DHW set point too low. the DH supply temperature. AQ173986472867en-010501 / LUK38016 © Danfoss | 2024.01 | 17...
Page 18 • Dispose of the product through channels provided for this purpose. • Comply with all local and currently applicable laws and regulations. AQ173986472867en-010501 / LUK38016 18 | © Danfoss | 2024.01...
Page 19 Operating Guide Termix Solar A+/B+/S+ 8.0 Declaration 8.1 Declaration of conformity AQ173986472867en-010501 / LUK38016 © Danfoss | 2024.01 | 19...

This manual is also suitable for:

Termix solar b+Termix solar s+