SAZ31.00

 

A

Actuator

L

Phase

N

Neutral

N1

Controller

Y1, Y2

Positioning signals

 

SAZ61.03

A

Actuator

F2

Frost protection thermostat: terminals:

1 – 2 frost hazard / sensor is interrupted (thermostat closes with frost)

1 – 3 normal operation

F3

Thermal reset limit thermostat

F4

Frost protection monitor with 0…1000 Ω signal output, does NOT support QAF21.. or QAQ61..

M

Measuring neutral

N1

Controller

SN

System zero

SP

System potential AC/DC 24 V

U

Position feedback - (System neutral is measuring ground M)

Y

Positioning signal

Z

Control signal forced control