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Siemens CE1N4581en
Building Technologies 2015-05-19
Connection diagrams
SAS31.. SAS31.5..
SAS61..
SAS61.33 / SAS61.33U / SAS61.53
SAS81.. SAS81.33, SAS81.33U
A Actuator
F1 Temperature limiter
F2 Frost protection thermostat; terminals:
1 – 2 frost hazard / sensor is interrupted
(thermostat closes with frost)
1 – 3 normal operation
F3 Temperature detector
F4 Frost protection monitor with 0…1000 Ω signal
output, does NOT support QAF21.. or QAF61..
L Phase
M Measuring neutral
N Neutral
N1 Controller
SN System neutral
SP System potential AC/DC 24 V
U Position feedback
Y Positioning signal
Y1, Y2 Positioning signals
Z Positioning signal forced control
21 Fail safe function