Viessmann SDIO Installation And Service Instructions For Contractors page 7

Index
(cont.)
7. Specification
8. Disposal
9. Declaration of Conformity
10. Keyword index
Auxiliary function for DHW heating ..................................................... 29
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Differential temperature control 2 ....................................................... 30
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Differential temperature control for central heating backup ................ 30
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Thermostat function ............................................................................ 30
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Solar function with central heating backup ......................................... 30
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Solar function with 2nd cylinder preheating ........................................ 30
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Solar function with thermostat function ............................................... 31
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Relay kick .............................................................................................. 31
Specification .......................................................................................... 32
Connection and wiring diagram ............................................................. 32
Final decommissioning and disposal ..................................................... 34
................................................................................................................ 35
................................................................................................................ 36
Index
7