Siting And Levelling The Boiler; Gas Shut-Off Valve Connection - Viessmann Vitocrossal 300 CU3A 26 Installation Instructions Manual

Boiler Connections
Connections
(continued)

Siting and levelling the boiler

IMPORTANT
Damage to the flue gas connection can lead to flue gas
escaping. Never lift or move the boiler by the flue gas
connection.
Note: The adjustable feet are supplied preinstalled.
1. Level the boiler horizontally using the adjustable feet.
Note: Special foundations are not required.
It is essential to use appropriate lifting
devices certified of lifting a minimum
400 lbs. (180 kg).
14
Vitocrossal 300 CU3A 26 to 199 Installation

Gas shut-off valve connection

1. Make gas connections in accordance with codes
CAN/CSA B149.1 and .2 or National Fuel Gas Code
ANSI Z223.1/NFPA 54, as well as local codes.
2. Connect gas shutoff valve to the boiler gas
connection.
3. Once connected close gas shutoff valve on boiler.
Manual gas shutoff
Open
Closed