Viessmann VITODENS 222-F Technical Manual page 53

Design information
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
Note
The adjustable feet give the height measurements of the connec-
tions a tolerance of + 7 mm.
For connecting the on-site gas, heating water and DHW lines from
above.
VITODENS
(cont.)
L
Assembly kit comprising:
■ Plate heat exchanger for system separation of the heating circuit
with mixer
■ Variable speed high efficiency circulation pump for the heating cir-
cuit with mixer
■ 3-way mixer with mixer motor
■ Mixer PCB, capable of communicating with Vitotronic 200 via KM
BUS
■ Adjustable bypass
■ Connection set for installation on finished or unfinished walls, with:
– Connection pipes
– Shut-off valves for heating water flow and return, with boiler
drain & fill valve
– 2 connectors for DHW
– 2 connectors for solar flow and return
– Gas shut-off valve with thermally activated safety shut-off valve
■ Flow temperature sensor
5
VIESMANN
53