Kb Electronics KBVF User Manual
“The Right Control for Your Application.”
12095 NW 39 Street, Coral Springs, FL 33065-2516
KB Electronics, Inc. Telephone: 954-346-4900; Fax: 954-346-3377
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This document is supplied with the KBVF Multi-Speed Board (Part No. 9503).
LEDs are no longer illuminated.
Warning! Before installing the Multi-Speed Board onto the KBVF, disconnect the AC power and wait until the "PWR" and "ST"
IMPORTANT: The KBVF Multi-Speed Board Data Sheet D-802, KBVF Installation and Operation Manual, and these instructions must be read
and understood before attempting to operate this control. For further assistance, contact our Sales Department at 954-346-4900 or Toll Free
at 800-221-6570 (outside Florida).
Tools required: small wire cutter and small flat blade screwdriver.
Figure 1 - KBVF Multi-Speed Board Control Layout
1 Removing and Modifying the Finger-Safe Cover (FSC) on the KBVF - See Figure 2.
If using the FSC, it needs to be modified to install the MSB, as described below. If the FSC is not used, proceed to Section 2, on page 2.
1.1 Remove the FSC, by gently lifting up on all four (4) retaining clips.
1.2 Using cutters, cut off the end section with three (3) Tabs at nine (9) places. Do not cut off the end section with four (4) Tabs.
1.3 Before installing the FSC onto the KBVF, make all connections from the MSB to the KBVF, as described in Section 3, on page 2.
Note: On some KBVF models, the FSC is supplied with a separate side panel which is already removed.
Figure 2 - Modifying the Finger-Safe Cover
End Section with Three (3) Tabs End Section with Four (4) Tabs
(A42136) - Rev. B00 - 11/02/2004 - Z3269B00 Page 1 of 4
“The Right Control for Your Application.”
12095 NW 39 Street, Coral Springs, FL 33065-2516
KB Electronics, Inc. Telephone: 954-346-4900; Fax: 954-346-3377
.%9)0XOWL6SHHG%RDUG,QVWDOODWLRQ:LULQJDQG2SHUDWLQJ,QVWUXFWLRQV
2 Preparing the KBVF Prior to Installing the MSB - See Figure 3.
Remove and discard the jumpers that are installed on J1 (50/60Hz) and CON2 (F-S-R) on the KBVF.
Figure 3 - Preparing the KBVF Prior to Installing the MSB
Before After
PWR
ST
PWR
ST
3 Installing and Wiring the MSB - See Figure 4.
3.1 Insert the two 6-32 X ½" screws (provided) through the mounting holes on the MSB and align them with the threaded mounting
holes on the side of the heat sink of the KBVF (located on the side nearest the trimpots).
3.2 Using the flat blade (or Phillips) screwdriver, gently tighten the two screws to secure the MSB to the heat sink (8 in-lbs max.). Do
not overtighten.
3.3 Install the connector with green/black/white wires onto J1 (50/60Hz).
3.4 Install the connector with red/black/white wires onto CON2 (F-S-R).
3.5 Install the terminal with orange wire onto Terminal "P2".
Figure 4 - Installing and Wiring the MSB
PWR
ST
230V 115V
(A42136) - Rev. B00 - 11/02/2004 - Z3269B00 Page 2 of 4
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