Viessmann VITODENS 242-F Technical Manual page 63

Design information
■ Shut-off valves for heating water flow and return, with boiler drain &
fill valve
■ 2 connectors for DHW
Assembly kit with mixer for installation on finished walls, part no. Z009 891
440
330
220
50
55
A
BCD E F G H K
BCD E F G H K
A L
A Heating flow, heating circuit with mixer R ¾
B Solar return R ¾/Ø 22 mm
C Heating flow, heating circuit without mixer R ¾
D DHW R ½
E DHW circulation R ½ (separate accessory)
F Gas connection R ½
G Cold water R ½
H Heating return, heating circuit without mixer R ¾
K Solar flow R ¾/Ø 22 mm
L Heating return, heating circuit with mixer R ¾
VITODENS
(cont.)
L
■ 2 connectors for solar flow and return
■ Angle gas valve with thermally activated safety shut-off valve
Note
The adjustable feet give the height measurements of the connections
a tolerance of + 15 mm.
For connecting on-site lines on the gas, heating water and DHW sides
from above.
Assembly kit comprising:
■ Plate heat exchanger for system separation of the heating circuit with
mixer
■ Variable speed high efficiency circulation pump for the heating circuit
with mixer
■ 3-way mixer with mixer motor
6
VIESMANN
63