Multi-Speed Board KB 9503 to KBVF-27 connections
Red, Black & White wires to F-S-R connector
Green, Black & White wires to 60 Hz connector
Orange wire to P2 connector
KBVF-27 220 VAC 3 -phase Motor Control
Jumper Settings
J2
X1
X2
Trimpot Settings:
COMP
50% or 1.5 volts/Hz
ACC
30% or 6 seconds
DEC/B
30% or 6 seconds
MIN
0%
MAX
90% or 100% frequency setting (out of 110% max)
CL
48% or 4.0 amps
Reversing Direction:
Can be accomplished by (2) methods:
Method 1)
Physically rotate the operator 180 degrees by placing the motor end to the
transducer end and the transducer end to the motor end.
Method 2)
1. With the door in the new home or closed position, reset the
Rotary
Position Transducer
to 320.
2. On the
Rotary Position Transducer
: Move the green and white wire to
terminal 1 and the black wire to terminal 3.
3. On the
AC Inverter
: reverse the appropriate wires to the AC 3 phase
motor (see wiring diagram).
Timing belt pre-tension:
Must be properly set to assure the timing belt teeth stay engaged when operating
at design loads.
F= 924/c-c
F= the vertical force to deflect the belt 1.0” at mid span.
c-c= the center to center distance between pulleys.
