43
HEIGHT ADJUSTER
WITH KEY SWITCH OPERATION
NOTE: ELECTRICAL CONTRACTOR TO PROVIDE
FIELD WIRING AS REQUIRED TO MEET ALL LO-
CAL ELECTRICAL CODES
CAUTION
KEY SWITCH MUST BE MOUNTED ON THE
WALL IN A LOCATION SO THAT THE
EQUIPMENT IT IS CONTROLLING IS IN
FULL VIEW OF THE OPERATOR
CENTER-STRUT HEIGHT ADJUSTMENT SYSTEM
ELECTRIC OPERATION WITH KEY SWITCH CONTROL
FIELD WIRING DETAILS AND REQUIREMENTS
NOTE - All wiring between the height adjuster and the key switch is to be done by an electrical contractor
per the diagram below, to meet all local code requirements.
IMPORTANT NOTE
- PERFORMANCE OF MOTOR IS BASED ON HAVING 115 VOLTS AT MOTOR TER-
MINALS. VOLTAGES LESS THAN 115 VOLTS WILL AFFECT HOISTING CAPACITY AND RESULT IN
DAMAGE TO MOTOR THUS VOIDING WARRANTY.
SUBSTITUTION
OF THIS KEY SWITCH WILL VOID
ALL WARRANTIES AND WILL RENDER THE OPERATION OF HEIGHT ADJUSTER UNSAFE.
INDIVIDUAL KEY SWITCH MOUNTED IN A STANDARD 4-1/2”
SQUARE FLUSH MOUNTED STAINLESS STEEL COVER PLATE
FOR MOUNTING IN A 4” SQUARE x 3-1/2” DEEP MASONRY BOX
(THEPITT NO. 691 OR EQUAL) BY ELECTRICAL CONTRACTOR.
KEY SWITCHES MAY BE GANGED IN PAIRS IN ONE COVER
PLATE - ONE FOR THE BACKSTOP, ONE FOR THE HEIGHT
ADJUSTER. SEE TABLE BELOW FOR WALL BOX SIZE REQUIRE-
MENTS - DIMENSION “A”.
MOMENTARY KEY SWITCH FURNISHED WITH
TWO KEYS (UP AND DOWN) TO PREVENT THE
POSSIBLILTY OF INSTANTANEOUS REVERSING
OF THE MOTOR, WHICH COULD RESULT IN
OVERRIDING LIMIT SWITCHES OR PLACING UN-
DUE STRESS ON THE HOIST SYSTEM. DO NOT
SEPARATE THE KEYS FROM EACH OTHER.
Содержание 219 Series
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