Viessmann VITODENS 242-F Technical Manual page 43

Installation accessories
Comprising:
■ Plate heat exchanger for system separation of the heating circuit with
mixer
■ Circulation pump for the heating circuit with mixer
■ Three-way mixer with mixer motor
■ Mixer PCB, capable of communicating with the Vitotronic 200 via KM
BUS
■ Adjustable bypass
■ Connection set for installation on finished or unfinished walls, with:
– Connecting pipes
– Shut-off valves (R ¾) for heating water flow and return with boiler
drain & fill valve
– 2 connectors for DHW (R ½)
– 2 connectors (R ¾) and 2 connectors (Ø22 mm smooth tube, only
for installation on finished walls) for solar flow and return
– Gas shut-off valve (R ½) with thermally activated safety shut-off
valve
Residual head of the integral circulation pump for the heating circuit with mixer
With variable speed high efficiency DC pump
60 600
50 500
40 400
30 300
20 200
10 100
0 0
0 100 200 300
Flow rate in l/h
VITODENS
(cont.)
■ Flow temperature sensor
■ Cover with the same design as the appliance
■ Balanced flue extension, boiler flue connection
The heating circuit without mixer is supplied by the integral circulation
pump of the Vitodens. For an installation scheme for operation with the
assembly kit, see "System examples".
Max. transferable output of the heating circuit
with mixer (ΔT 10 K)
Max. flow rate of the heating circuit with mixer
(ΔT 10 K)
Permiss. operating pressure
Max. power consumption
– with 3-stage circulation pump
– With variable speed high efficiency DC pump W
Weight (incl. packaging)
Min.
400 500 600 700 800
Max.
900 1000 1100 1200 1300 1400
kW 14
l/h 1200
bar 3
W 89
48
kg 20
5
VIESMANN
43