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7 Commissioning .................................................................................... 20

7.1.1 Waterside check.......................................................................... 20

7.1.2 Temperature check ..................................................................... 21

7.1.3 Electrical connections (SH) ........................................................... 21

7.1.4 Water flow check ........................................................................ 21

7.1.5 DHW setup ................................................................................. 22

7.1.6 Electrical connections (DHW) ........................................................ 22

7.1.7 DHW Test................................................................................... 22

7.1.8 Disinfection ................................................................................ 23

7.1.9 Heating curves............................................................................ 23

8 System health checks .......................................................................... 24

9 Troubleshooting, FAQ .......................................................................... 25

9.1 Table of error codes and descriptions .................................................. 25

10 Technical Specifications ................................................................... 24

Appendices:

A Refrigeration cycle................................................................................A

B Schematic zone diagrams......................................................................B

Schematic 1: 10200110 - Space Heating Only .......................................... B

Schematic 2: 10220290 - Zone Space Heating & DHW ............................... C

Schematic 3: 10300110 - Bivalent Space Heating ..................................... D

Schematic 4: 10310290 - Bivalent Zone Space Heating & DHW .................. E

C Wiring centre electrical connections.........................................................F

D Installer controller cable connections...................................................... G

E Installer menu flow chart.......................................................................H

Dimplex A12M User Manual

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