Viessmann VITODENS 242-F Technical Manual page 27

Installation accessories
Note
This type of installation requires a wall clearance of 70 mm behind
the heat generator.
Connection set for unfinished walls
Part no. 7351625
Comprising:
■ Mounting plate
■ Connection pipes
■ Shut-off valves for heating water flow and return, with boiler drain
& fill valve
■ 2 connectors for DHW
■ Angle gas valve with thermally activated safety shut-off valve
Connections (male thread)
Gas
Heating water
DHW
Assembly kit with mixer
For installation on finished walls
Part no. Z009888
0
5 2
VITODENS
(cont.)
R ½
R ¾
R ½
Assembly kit accessories
Line regulating valve with flow indicator
Part no. 7452078
For hydronic balancing of the heating circuits
Contact temperature limiter
Part no. 7425493
Maximum temperature limiter for underfloor heating circuits
Contact temperature limiter with 1.5 m long connecting lead
Specification assembly kit with mixer
Assembly for heat distribution via one heating circuit with mixer and
one heating circuit without mixer, designed to match the appliance.
For installation on the boiler.
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
– Gas shut-off valve with thermally activated safety shut-off valve
■ Flow temperature sensor
■ Cover, designed to match appliance
■ Balanced flue extension, boiler flue connection
The heating circuit without mixer is supplied by the integral circula-
tion pump of the Vitodens. For an installation scheme for operation
with the assembly kit, see www.viessmann-schemen.com.
The assembly kit can only be used in conjunction with the Vitotronic
200.
Max. transferable heating output of the heat-
ing circuit with mixer (ΔT 10 K)
Max. flow rate of the heating circuit with mixer
(ΔT 10 K)
Permiss. operating pressure
Max. power consumption
Connections (male thread)
– Gas
– Heating water
– DHW
Weight (incl. packaging)
4
kW 14
l/h 1200
bar 3
W 48
R ½
R ¾
R ½
kg 20
VIESMANN
27