JOHNSON CONTROLS
FORM 160.75-EG1 (519)
32
Additional advantages of Solid-State Starters are as follows:
• Smooth, controlled start prole
• Unit mounted, factory wired and tested
• Rugged and reliable with no moving parts
• Adjustable acceleration times
• Reduces compressor sound levels at most operating conditions
• Application-specic designs enable seamless integration with equipment control
panel and BAS.
MEDIUM VOLTAGE SOLID-STATE STARTER
The Medium Voltage Solid-State Starter is a reduced voltage in-line bypass starter that
controls and maintains a constant current flow to the motor during startup. Power and
control wiring between the starter and the chiller for the unit mounted version is factory-
installed. Available for 2300 - 4160 volts (see Table 3), the starter enclosure is NEMA-1,
with a hinged access door with lock and key. Electrical lugs for incoming power wiring are
not provided.
TABLE 3 - MEDIUM VOLTAGE SOLID-STATE STARTER
MEDIUM VOLTAGE
SOLID-STATE STARTER *
60 HZ 50 HZ
2300V 3300V 4000V 4160V 3300V
UNIT MOUNTED X** X** X** X** X**
FLOOR MOUNTED X X X X X
X=Available
* Unit Mounted version available for Compressor H9 or Larger
** For Higher Voltage contact Application Engineering Department for a Special Quote (SQ)
Standard Features include digital readout at the Control Center of the following:
Display Only
• 3-phase input voltage
• 3-phase current
• Input Power (kW)
• Killowatt-Hours (kWh)
• Starter Model
• Motor Run (LED)
• Motor Current % Full Load Amps
• Current Limit Setpoints
• Pulldown Demand Time Left
Accessories and Modifications (Cont'd)
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