ASCO SERIES 185 AUTOMATIC TRANSFER SWITCH
24 HOUR PROTECTION AGAINST POWER FAILURES
Residential power outages can jeopardize homeowner personal safety and comfort, and also cause millions of dollars in damages to small businesses each year.
Computers, communications, air conditioning, security systems, refrigerators and freezers, hot water heaters and sump pumps all depend on electrical power to operate.
A generator is one piece of the solution. An ASCO Series 185 Automatic Transfer Switch is the other, the vital link that makes continuous power hassle free.
THE ASCO Series 185 Automatic Transfer Switch provides all the intelligence your generator needs to make sure the power stays on when utility power fails.
Sensing the loss of utility power and signaling the generator to start and restore power to your home or business – even if no one is home. When utility power has been restored, the Series 185 Automatic Transfer Switch automatically transfers your vital loads back to the utility and shuts the generator down.
Working hand in hand with virtually every brand of generator, ASCO Series 185 Automatic Transfer Switches provide around-the-clock protection from a power failure, taking action only when required.
ASCO Series 185 Automatic Transfer Switches are suitable for operation with portable or permanently mounted standby generators supporting loads up to 200 Amperes.

FEATURES AND SPECIFICATIONS
USER-FRIENDLY CONTROL INTERFACE WITH EASY TOUNDERSTAND SYMBOLS AND VISUAL INDICATORS TO INFORM OPERATOR OF TRANSFER SWITCH AND POWER SOURCE STATUS
LISTED TO UL 1008 FOR OPTIONAL STANDBY SYSTEMS, HANDLING TOTAL SYSTEM LOAD INCLUDING MOTORS AND ALL OTHER ELECTRICAL LOADS
CUL LISTED FOR CANADIAN INSTALLATIONS
MEETS ARTICLE 702, NFPA-70 NATIONAL ELECTRIC CODE (NEC) REQUIREMENTS
NOMINAL SERVICE VOLTAGE 240V 50/60HZ, SINGLE PHASE, 3 WIRE AC SYSTEMS
TRUE DOUBLE-THROW CONTACTS WITH INHERENT MECHANICAL INTERLOCKING TO PREVENT CONNECTION OF GENERATOR AND UTILITY SOURCES
TERMINALS FOR CONVENIENT CONNECTION OF NEUTRAL AND GROUND CONDUCTORS
TEXTURED RAL 7035 LIGHT BEIGE COLOR AESTHETICALLY SUITABLE FOR RESIDENTIAL APPLICATIONS
AVAILABLE IN NEMA TYPE 1 INDOOR (STEEL) AND TYPE 3R OUTDOOR (ALUMINUM) ENCLOSURES, WITH HINGED DOOR DESIGNS
NEMA 1, UP TO 200 AMP SIZE IS 24"H X 14.25"W X 8.25"D, 400 AMP SIZE IS 45"H X 22"W X 7.5"D
NEMA 3R UP TO 200 AMP SIZE IS 24"H X 16"W X 10"D, 400 AMP SIZE IS 45"H X 24"W X 10"D
ADJUSTABLE 1 OR 3 SECOND TIME DELAY FOR OVERRIDING MOMENTARY UTILITY SOURCE DISRUPTIONS
10 SECOND TIME DELAY BEFORE LOAD TRANSFER TO EMERGENCY SOURCE, TO ALLOW GENERATOR WARM-UP AND STABILIZATION
ADJUSTABLE 0 OR 4 SECOND TIME DELAY WHILE ON STANDBY SOURCE TO IGNORE MOMENTARY GENERATOR VOLTAGE DIPS
15 MINUTE TIME DELAY BEFORE LOAD RETRANSFER BACK TO UTILITY SOURCE, TO ENSURE STABILITY OF UTILITY POWER
ADJUSTABLE 2 OR 5 MINUTE UNLOADED RUNNING TIME DELAY ALLOWS GENERATOR TO COOL DOWN PRIOR TO SHUTDOWN
WEEKLY GENERATOR EXERCISER WITH OR WITH OUT LOAD TRANSFER.
50 OR 60 HERTZ OPERATION

PUSH BUTTONS
ON THE FRONT CONTROL DISPLAY ARE THREE PUSH BUTTONS THAT CONTROL THE OPERATION OF THE GENERATOR AND THE ATS.
TRANSFER TEST:
USE THIS BUTTON TO TEST THE SYSTEM. THIS OPERATION STARTS THE GENERATOR AND TRANSFERS THE LOAD.
BYPASS TIME DELAY:
USE THIS BUTTON TO CANCEL THE ACTIVE TIME DELAY OR EXERCISE PERIOD (STOPS THE GENERATOR AFTER COOLDOWN).
SET ENGINE EXERCISER:
USE THIS BUTTON TO SET THE AUTOMATIC GENERATOR EXERCISER

INDICATOR LIGHTS
ON THE FRONT CONTROL DISPLAY ARE FIVE LIGHTS THAT INDICATE THE STATUS OF THE SOURCES AND THE ATS.
UTILITY ACCEPTABLE:
THIS LIGHT INDICATES THAT THE UTILITY VOLTAGE IS ACCEPTABLE FOR CONNECTION TO THE LOAD
LOAD ON UTILITY, LOAD ON GENERATOR:
THESE TWO LIGHTS INDICATE WHICH SOURCE (UTILITY OR GENERATOR) IS CONNECTED TO THE LOAD
GENERATOR ACCEPTABLE:
THIS LIGHT INDICATES THAT THE GENERATOR VOLTAGE IS ACCEPTABLE FOR CONNECTION TO THE LOAD
AUTOMATIC GENERATOR EXERCISER:
WHEN THE UTILITY IS ACCEPTABLE AND THE LOAD IS ON THE UTILITY, THIS LIGHT FLASHES THE NUMBER OF DAYS UNTIL THE NEXT EXERCISE PERIOD. WHEN IT IS OFF, NO EXERCISER PERIOD IS SET. THE LIGHT IS ALSO OFF WHEN THE GENERATOR IS RUNNING


