Viessmann VITODENS 222-F Technical Manual page 31

Installation accessories
Specification
Rated voltage 230 V~
Rated frequency 50 Hz
Power consumption 3.5 W
Rated breaking capacity 8 A 230 V~
of the relay output
Alarm threshold 40 ppm CO
Protection class II
IP rating IP 20 to EN 60529; ensure through de-
sign/installation.
Permissible ambient tem- 70 °C
perature
Boiler plinth
Part no. 7352 259
■ For siting the appliance on unfinished floors
■ Height adjustable, for screed heights from 10 to 18 cm
■ With spacer for installation on finished walls, for downward con-
nection
Transport aid
Part no. 7425 341
To facilitate transportation of storage combi boilers
Small softening system for heating water
For filling heating circuits
VITODENS
(cont.)
See Vitoset pricelist.
Plate heat exchanger flushing system
Part no. 7373 005
For cleaning the plate heat exchanger of the Vitodens with loading
cylinder
Flue gas cascade (positive pressure) for multi boiler systems
with Vitodens 222-F
Comprising:
■ Back draught safety device for each boiler
■ Flue gas header
■ End piece with condensate drain and trap
C
B B
A Flue gas header
B Back draught safety device (for installation in the
Vitodens 222-F)
C End piece with trap
2-boiler system
■ System size 100
Part no. ZK01 944
■ System size 150
Part no. Z008 385
3-boiler system
■ System size 100
Part no. ZK01 945
■ System size 150
Part no. Z008 386
4-boiler system
■ System size 100
Part no. ZK01 946
■ System size 150
Part no. Z008 387
A
B B
VIESMANN
4
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