Viessmann Vitocrossal 200 Service Instructions For Contractors page 51

Air pressure switch
Fan for burner 115 to 311 kW
A
Fig. 55
Connector with screw
A
■ For 142 and 186 kW remove screw, attach power
cable. Check for leaks.
■ For 115, 246 and 311 kW tighten the screw in the
connector. Check for leaks.
(cont.)
Function description
51