Viessmann VITOPLEX 200 Type SX2A Technical Manual page 21

Installation accessories
Heating circuit connections
Heating circuit connection DN 25 and DN 32 (shown with mixer)
210
A Heating flow
B Heating return
C Ball valve
D Check valve
E Circulation pump
F Three-way mixer
Output which can be connected to the heating circuit connections (ΔT = 20 K)
Heating circuit connection
DN 25
DN 32
DN 40
DN 50
Wilo heating circuit pumps, differential pressure regulated
(Adjustable from proportional pressure to constant pressure)
Motor protection
Integral motor protection in terminal boxes for all differential pressure
settings. Breaking capacity of the contacts for central fault message
1 A, 250 V~.
230 V~, 50 Hz
Heating circuit connection
Pump type
Rated output P
2
OIL/GAS BOILERS
(cont.)
Heating circuit connection DN 40 and DN 50 (shown with mixer)
A Heating flow
B Heating return
C Ball valve
D Check valve
E Circulation pump
F Three-way mixer
DN 25
E 25/1-5
W 47
210
32 40
E 30/1-5 Stratos 40/1-8
47 200
9
kW
40
70
140
170
50
Stratos 50/1-8
200
VIESMANN
21