Viessmann Vitocrossal 300 CU3A 26 Installation Instructions Manual page 57

Floor mounted, gas-fired condensing boiler with matrix gas burner and lambda pro control

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Vitocrossal 300 CU3A 26 to 199 Installation

Electrical Connections

WARNING

DISCONNECT POWER BEFORE

SERVICING BOILER.

If any of the original wires as

supplied with the appliance must

be replaced, it must be replaced

with the exact equivalent.

(continued)

CAUTION

Label all wires prior to disconnection

when servicing controls. Wiring errors

can cause improper and dangerous

operation. Verify proper operation

after servicing.

* Only one function/connection may

be assigned to each connection.

Additional Information

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