Technical Instructions Powermite 599 MZ Series SSB Electronic Valve Actuator
Document No. 155-195P25 24 Vac 3-position Control
December 18, 2003
Wiring, Continued
Table 1. Terminal Connections.
Standard
Symbol
Function Terminal
Connection
1 Supply (SP) G
6 Control signal: Outward
movement of the actuator
output shaft
Y1
7 Control signal: Inward
movement of the actuator
output shaft
Y2
WARNING:
Terminal connection "G" is Common, not ground.
Manual Override
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.
EA0587R3
AB
B
A
Figure 6.
Note:
When knob is turned
counterclockwise (A), the
spindle is retracted.
When knob is turned
clockwise (B), the spindle
is extended
Page 4 Siemens Building Technologies, Inc.
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