Powermite 599 Series
Technical Instructions
Document No. 155-195P25
EA 599-13
December 18, 2003
MZ Series SSB Electronic Valve
Actuator
24 Vac 3-position (Floating) Control
EA0579R2
Description
The Powermite 599 MZ Series SSB electronic valve actuator requires a 24 Vac supply
floating control signal to provide three-position control. This actuator is designed to
work with Powermite 599 MZ Series zone control valves with a 7/32-inch (5.5 mm)
stroke and a threaded valve bonnet that fits the actuator.
Features
• UL listed for plenum installations.
• Direct-coupled installation without tools.
• Manual override
• Visual position indication.
Application
For use in heating and cooling HVAC applications with Powermite 599 MZ Series
valves that need 45 lb. (200N) nominal force. They can be used in liquid and steam
service applications.
Product Number
SSB81U Actuator prefix code 254
Ordering
Information
To order a complete valve plus actuator assembly from the factory, combine the
actuator prefix code with the suffix of the valve product number. See Technical Bulletin
TB 252 (155-307P25) for selection procedures.
To order an actuator only, use the product number.
Warning/Caution Notations
WARNING:
Personal injury or loss of life may occur if you do not perform
a procedure as specified.
CAUTION:
Equipment damage may occur if you do not follow procedure
as specified.
Siemens Building Technologies, Inc.
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