User Manual

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Siemens Control device PN25, safety function to DIN EN 14597 CE1N4389en
Building Technologies 10.01.2011
Connection terminals
operating voltage AC 24 V: system neutral (SN)
operating voltage AC 24 V: system potential (SP)
Positioning signal DC 0...10 (30) V or DC 4...20 mA
Measuring neutral (= G0)
Position indication DC 0...10 V or DC 4...20 mA
Override control (functionality see page 5)
c1
Connection diagrams
(Y1)
(Y2)
N1
N
0 %
F1
AC 230 V
(L)
(N)
F1 temperature limiter
N1, N2 controller
Y1, Y2 actuators
L Phase
N neutral
(Y1) controller contacts
(Y2) controller contacts
Y1 Positioning signal «open»
Y2 Positioning signal «close»
21 spring-return function
Y1 actuator
N1 controller
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  signal output *
G (SP) System potential AC 24 V
G0 (SN) System neutral
* QAF21.. and QAF61.. frost protection monitor cannot be connected with control devices MK..5..G.
MKB562..G
Auxiliary switch
ASC1.6
MKB532..G
3-position
MKB562..G
DC 0…10 V, 4…20 mA,
0…1000 