Stagnation cooler
550
a
500
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
70
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
R 3/4
140
90
75
219
70
A
A
A
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
B
A
AB
R1
R1
R1
125
■ For systems with central heating backup
■ With electric drive
Installation accessories
(cont.)
92
VIESMANN
VITOSOL
8
5822 440 GB