Stagnation cooler
To protect the system components from excess temperatures in the
event of stagnation.
With a plate without any flow as contact protection.
Part no. Z007 429 Z007 430
Type 21 33
Dim. a 105 mm 160 mm
Output at 75/65 °C 482 W 834 W
Cooling capacity at 140/80 °C 964 W 1668 W
For detailed information, see chapter "Safety equipment".
Solar thermal systems with Vitosol-FM/-TM
If the system pressure is adjusted according to manufacturer's
instructions, a stagnation cooler is not required.
Automatic thermostatic mixing valve
Part no. 7438 940
For limiting the DHW outlet temperature in DHW heating systems
without DHW circulation pipe.
Specification
Connections G 1
Temperature range °C 35 to 60 °C
Max. temperature of the medium °C 95
Operating pressure bar/MPa 10/1.0
Thermostatic DHW circulation set
Part no. ZK01 284
A
Non-return valve
For limiting the DHW outlet temperature in DHW heating systems
with DHW circulation pipe
■ Thermostatic mixing valve with bypass line
■ Integral non-return valves
■ Removable insulation shells
Specification
Connections R ¾
Weight kg 1.45
Temperature range °C 35 to 60
Max. temperature of the medium °C 95
Operating pressure bar 10
MPa 1
3-way diverter valve
Part no. 7814 924
■ For systems with central heating backup
■ With electric drive
Installation accessories
(cont.)
92
VIESMANN
VITOSOL
8
5822 440 GB