User Manual

CE1N2821E / 29.11.1998 Siemens Building Technologies
8/8 Landis & Staefa Division
B1 Flow temperature sensor
B2 Room unit QAW...
E1 Radiator in the reference room of the apartment
E2 Radiator in another room of the apartment
X1 Conduit box ALW30
Y1 Control and heating cost allocation valve WRV81...
Y2 Shutoff valve
Y3 Thermostatic radiator valve
Y4 Manual valve (without thermostatic radiator valve)
Y5 Throttle (sealable)
Minimum clearance:
= min. 100 mm
= min. 50 mm
Application example
2821S01
B2
X1
E2 E1 E2
Y3 Y4 Y3
Y2
Y5Y2
Y1
BUS
B1
Dimensions
2
1
0
137,5
155
17,5
110
30
2821M01
 1995 Siemens Building Technologies Ltd. Subject to change