Viessmann VITODENS 111-W Installation And Service Instructions Manual page 8

Product information
Preparing for the boiler installation
Preparing the connections
Note
This boiler (IP rating: IP X4 D) is
approved for installation in wet rooms
inside safety zone 1 in accordance with
IEEE Wiring Regulations, providing the
occurrence of hosed water can be ruled
out.
Observe the IEEE Wiring Regulations.
1. Prepare the water connections. Flush
the heating system.
2. Prepare the gas connection.
3. Prepare the electrical connections.
■ In the delivered condition, the
power cable with mains plug is con-
nected inside the control unit.
■ Accessory cables:
NYM-O two-core min. 0.5 mm
8
(cont.)
2
.