Siemens SSB81U Technische Anweisungen - Seite 4

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Siemens SSB81U Technische Anweisungen
Technical Instructions
Document No. 155-195P25
December 18, 2003
Wiring, Continued

Manual Override

Page 4
Table 1. Terminal Connections.
Standard
Function
Symbol
1
Supply (SP)
6
Control signal: Outward
movement of the actuator
output shaft
7
Control signal: Inward
movement of the actuator
output shaft
WARNING:
Terminal connection "G" is Common, not ground.
For manual positioning, turn the manual override knob in the center of the position
indicator. See Figure 6. Turn clockwise to move the output shaft outward.
The actuator will maintain its position until power is provided or restored.
Figure 6.
Powermite 599 MZ Series SSB Electronic Valve Actuator
Terminal
Connection
G
Y1
Y2
A
B
Note:
When knob is turned
counterclockwise (A), the
spindle is retracted.
When knob is turned
clockwise (B), the spindle
is extended
A
B
Siemens Building Technologies, Inc.
24 Vac 3-position Control