Mitek RoofTracker II Reference manual

MiTek®
Machinery Division
Service Bulletin
MiTek Machinery Division
301 Fountain Lakes Industrial Drive
St. Charles, MO 63301
Phone: [phone]
www.mii.com
Part # and Rev. SB229 rev. A
Revision Date 19 December 2017
Revised By
Approved By V.Carroll
Print Date 19 December 2017
Orig Date Created 20 December 2016
Created By G.Gaia
Effectivity Customers with
ACS800
Machinery Affected: RoofTracker II™ press
Document: SB229 rev. A
Title: Installing an ACS880 Variable-Frequency Drive
Distribution: Customers Upon Order
Copyright © 2017 MiTek®. All rights reserved.

Service Bulletin SB229
SB229 rev. A 2 of 16
Original Instructions
Purpose and Scope
The ACS800 variable-frequency drive (VFD) in the RoofTracker II press is obsolete. This
Service Bulletin explains how to replace it with an ACS880 VFD.
The parts included in all kits are shown in Table 1. Your specific VFD is shown in one of
the following tables. Please ensure all parts are present before starting this procedure.
Before beginning the procedure, gather the supplies listed here:
If you have a VFD running 415V or 460V power, gather the supplies listed here as well:
Table 1: Parts in all SB229KIT
Qty. Part Description Part #
1 Service Bulletin SB229
1 Encoder interface module 509305
1 Digital IO extension module 509296
4 #10-32X3/4'' screws 341106
Table 2: Parts in SB229KIT-A
Qty. Part Description Part #
1 ACS880 VFD 208V (programmed) 92294-501
Table 3: Parts in SB229KIT-B
Qty. Part Description Part #
1 ACS880 VFD 230V (programmed) 92294-502
Table 4: Parts in SB229KIT-C
Qty. Part Description Part #
1 ACS880 VFD 415V (programmed) 92295-501
Table 5: Parts in SB229KIT-D
Qty. Part Description Part #
1 ACS880 VFD 460V (programmed) 92295-502
• Phillips screwdriver set • Ruler (preferably metal)
• Slotted screwdriver set • Thin permanent marker
• Torx screwdriver set • Multimeter
• Drill • #10-32 tap
• #21 drill bit • Vacuum
If you have any
questions, call
MiTek Machinery
Division Customer
Service at
800-523-3380.

Service Bulletin SB229
SB229 rev. A 3 of 16
Original Instructions
Procedure
Electrical Lockout/Tagout Procedures
When Working on a Machine Inside the Machine’s Main Electrical Enclosure
or in the Electrical Transmission Line to the Machine
Before opening the main electrical enclosure, or attempting to repair or replace an
electrical transmission line to the machine, lockout/tagout the machine properly. Follow
your company’s approved lockout/tagout procedures which should include, but are not
limited to, the steps here.
1. Engage an E-stop on the machine.
2. Turn the machine’s disconnect switch to the Off position as shown in Figure 1.
This is usually required to open the main electrical enclosure’s door.
Figure 1: Disconnect Switch on Main Electrical Enclosure
!WARNING
ELECTROCUTION HAZARD!
Verify that all power to the machine has been turned
off and follow approved lockout/tagout safety
procedures before performing any maintenance.
All electrical work must performed by a qualified
electrician.
If it is absolutely necessary to troubleshoot an
energized machine, follow NFPA 70E for proper
procedures and personal protective equipment.

Service Bulletin SB229
SB229 rev. A 4 of 16
Original Instructions
3. Shut the power to the machine off at the
machine’s power source, which is
usually an electrical service entry panel
on the facility wall. One example of a
locked-out power source panel is shown
in Figure 2.
4. Attach a lock and tag that meets OSHA
requirements for lockout/tagout to the
electrical service entry panel.
5. Open the door to the enclosure in which
you need access, and using a multimeter,
verify that the power is off.
Figure 2: Lockout/tagout on
the Power Source Panel

Service Bulletin SB229
SB229 rev. A 5 of 16
Original Instructions
Removing an ACS800 VFD
1. Locate the ACS800 VFD in the main electrical enclosure. See Figure 3.
Figure 3: Location of the ACS800 VFD
2. Expose the wiring on the VFD by using the following steps.
a) Insert a slotted screwdriver into the hole near the bottom of the VFD
cover as shown in Figure 4.
Figure 4: Inserting Screwdriver into VFD Cover
b) Press down on the screwdriver to unhook the latch that holds the cover in
place.
c) Pull the cover forward and slightly upward to remove it.
!WARNING
Wait five minutes after turning the disconnect switch
to the Off position to start work on the VFD. Starting
work without waiting five minutes may cause electric
shock.

Service Bulletin SB229
SB229 rev. A 6 of 16
Original Instructions
d) Push up on the latch on the bottom right of the keypad. Pull the keypad
forward by the tab on top. The keypad swings to the left. See Figure 5.
Figure 5: Moving Keypad
3. Remove the wiring from the front of the VFD by using the following steps.
a) Unscrew the four screws holding the encoder module (labeled the Pulse
Encoder Interface) and the extension module (labeled the Digital I/O
Extension) in place using a Phillips screwdriver. See Figure 6.
Figure 6: Removing Modules

Service Bulletin SB229
SB229 rev. A 7 of 16
Original Instructions
b) Loosen the screws on the green terminals on the encoder module with a
slotted screwdriver. Remove the wires from those terminals. Do not
untwist any of the twisted wires. See Figure 7.
c) Loosen the screws on the green terminals of the extension module with a
slotted screwdriver. Remove the wires from these terminals. See Figure 7.
Figure 7: Removing Wires from Modules
d) Pull the gray terminal blocks on the front of the VFD forward to remove
them. Leave the wires in the terminal blocks to make rewiring easier. See
Figure 8.
Use a flathead screwdriver to pry gently on the right sides of the
terminal blocks if necessary.
Figure 8: Removing Terminal Blocks from VFD
e) Cut the zip ties that bundle the gray cable with the blue wires, red wires,
and white and blue wire.

Service Bulletin SB229
SB229 rev. A 8 of 16
Original Instructions
4. Pull the gray cable through the hole on the left-hand side of the wire shield. Then
pull the red wires, blue wires, and white and blue wire through as well. See
Figure 9.
The gray terminal blocks fit through the hole.
Figure 9: Removing Cable and Wires through the Wire Shield
5. Remove the 3-phase wires and ground wire by using the following steps.
a) Locate the green 3-phase input and output terminals on the bottom of the
VFD. See Figure 10.
Figure 10: Location of 3-Phase Input and Output Terminals
b) Remove the black 3-phase wires from the input and output terminals on
the bottom of the VFD using a slotted screwdriver.
c) Remove the green ground wire underneath the 3-phase output terminals
using a Torx screwdriver.

Service Bulletin SB229
SB229 rev. A 9 of 16
Original Instructions
d) Pull the 3-phase wires and the ground wire through the hole on the right-
hand side of the wire shield.
6. Check the wire labels on all of the wires to make sure they are clearly visible. Use
a thin permanent marker to trace any faded letters on the wire labels.
Removing the Old VFD
1. Remove the four screws bolting the wire shield to the VFD. Remove the wire
shield. See Figure 11 for the location of the screws.
Removing the wire shield gives you easy access to the mounting screws.
Figure 11: Wire Shield Screw Locations
2. Loosen the two mounting screws on the bottom of the VFD. Do not remove these
screws yet. Remove the two mounting screws from the top of the VFD. See
Figure 12.
Figure 12: Mounting Screw Locations
3. Tilt the VFD slightly forward. Lift it up and remove it.

Service Bulletin SB229
SB229 rev. A 10 of 16
Original Instructions
Installing the ACS880 VFD
1. Prepare the main electrical enclosure for the ACS880 VFD by using the following
steps.
a) Place a metal ruler on the two mounting screws from the bottom of the old
VFD. Rest the bottom of the VFD on the ruler as shown in Figure 13.
Figure 13: Placing VFD on a Ruler
b) Use a thin permanent marker to mark the locations where the new
mounting screws will hold the new VFD in place. Remove the VFD from
the enclosure.
c) Remove the old mounting screws. Discard the four old mounting screws.
Keep the washers.
d) Drill in the four places indicated by your marks on the rear wall of the
enclosure using a #21 bit. Tap the holes using the #10-32 tap.
If you have an ACS880 VFD using 415V or
460V power, your VFD is physically smaller
than the old one. You need to drill.
Continue to step 1 below this notice.
If you have an ACS880 VFD using 208V or
230 V power, your VFD is the same size as
the old one. Remove the old mounting
screws. Mount the new VFD using the new
mounting screws and old washers. Then
skip to step 1 on page 12.
NOTICE
NOTICE
NOTICE
Have another
person hold the
VFD in place
while you mark
the spots for the
new mounting
screws.