Specification; Stagnation Cooler - Viessmann VITOSOL 100-F SV Technical Manual

Installation accessories
A Heat transfer medium
B Nitrogen charge

Specification

a
12 Expansion vessel
A
B

12.14 Stagnation cooler

5 5
0
VIESMANN
106
(cont.)
a
Part no. Capacity
7248 241
7248 242
7248 243
7248 244
7248 245
C Nitrogen buffer
D Minimum safety seal 3 l
E Safety seal
F Delivered condition (pre-charge pressure 3 bar, 0.3 MPa)
G Solar thermal system charged without heat effecting the system
H At maximum pressure and the highest heat transfer medium tem-
perature
A solar expansion vessel is a sealed unvented vessel where the gas
space (nitrogen charge) is separated from the space containing liquid
(heat transfer medium) by a diaphragm; the pre-charge pressure is
subject to the system height.
Ø a b Connection
l mm mm
18 280 370
25 280 490
40 354 520
50 409 505
80 480 566
To protect the system components from excess temperatures in the
event of stagnation.
With a plate without any flow as contact protection.
■ Type 21:
– a = 105 mm
– Output at 75/65 °C: 482 W
– Cooling capacity at 140/80 °C: 964 W
Part no. Z007 429
■ Type 33:
– a = 160 mm
– Output at 75/65 °C: 834 W
– Cooling capacity at 140/80 °C: 1668 W
Part no. Z007 430
For detailed information, see chapter "Safety equipment".
Weight
kg
R¾ 7.5
R¾ 9.1
R¾ 9.9
R1 12.3
R1 18.4
VITOSOL