Viessmann VITOLADENS 300-W Technical Manual page 45

Design information
(cont.)
Connection sets (for upward connection) for installation on fin-
ished walls
Connection set without premounting bracket, part no. 7351 720
330
220
55
A B C D E
A B C D E
A Heating flow R ¾
B DHW R ½
C DHW circulation R ½ (separate accessory)
D Cold water R ½
E Heating return R ¾
Note
The adjustable feet give the height measurements of the connections
a tolerance of + 15 mm.
For connection from below of the on-site lines on the heating water
and DHW side.
VITOLADENS 300-W/VITOLADENS 333-F
Connection set with premounting bracket for pre-assembly in
unfinished buildings, part no. 7354 276
330
220
55
A B C D E
A B C D E
A Heating flow R ¾
B DHW R ½
C DHW circulation R ½ (separate accessory)
D Cold water R ½
E Heating return R ¾
Connection set comprising:
■ Connection bracket (only for part no. 7354 276)
■ Connecting pipes
■ Shut-off valves for heating water flow and return with boiler drain &
fill valve
■ 2 connectors for DHW
5
VIESMANN
45