Toro Network LTC Plus-to-Network VP User manual

Turn o the power supply to the LTC Plus
satellite. Remove the cabinet’s front cover to
access the internal components. Disconnect
all cables labeled Athrough Ffrom the timing
mechanism and the front distribution board.
Retain cables B, D, Eand Ffor installation.
Cables Aand Cwill no longer be required for
the conversion and should be sent back to Toro
for proper recycling or disposal procedures. See
Figure 1.
Open the cabinet’s top cover to access the
timing mechanism (TM). Remove the four
retaining screws from the TM and lift it out of
the cabinet. Remove the modem from the back
of the TM and retain it for installation. e
LTC Plus TM will no longer be required for the
conversion and should be sent back to Toro for
proper recycling or disposal procedures.
See Figure 2.
Disconnect the ex cables from the distribution
board on the front side of the cabinet. Detach
the output boards by removing the two retaining
screws. Retain all ex cables, screws and output
boards for installation. See Figure 3.
A
B
C
D
E
F
Figure 1 Figure 2 Figure 3
Disconnect the ex cable that connects the
distribution board to the pump/common
module on the front side of the cabinet. Detach
the pump/common module by removing the
three retaining screws and washers. Retain the
ex cable, screws, washers and pump/common
module for installation. See Figure 4.
Remove the three retaining screws from the
distribution board and detach it from the
backplate. Retain the screws for installation.
e LTC Plus distribution board will no longer
be required for the conversion and should
be sent back to Toro for proper recycling or
disposal procedures. See Figure 5.
NOTE Only the front distribution board is
being replaced with a Network VP conversion
board. e rear distribution board (If
equipped) will communicate directly to the
Network VP conversion board.
Install the Network VP/VPEconversion board
onto the backplate. Use the three retaining
screws removed from the old distribution board
to secure. See Figure 6.
Figure 4 Figure 5 Figure 6
Network LTC Plus-to-Network VP/VPE
Conversion Kit Installation Instructions

Figure 8 - Determine Which Modem You Have
e LTC Plus wireline satellites use one of
three possible modems. ere are two ways to
determine which modem you have:
1. Look at the sticker on the back of the
modem. Choices are:
• 89-7519
• 102-0104
• 102-8568
•
2. e 89-7519 modem has a serial port.
e 102-0104 / 102-8568 modems do
not.
For 89-7519:
See Figures 9 and 10 .
For 102-0104 / 102-8568:
See Figure 11 and 12.
102-0104 / 102-8568 modems
no serial port
89-7519 modem
serial port
Figure 7
Reinstall the output boards and the pump/
common board. Secure the ex cables onto the
Network VP/VPEconversion board.
See Figure 7.
Figure 9 - 89-7519 Installation
If not already installed, install the modem tray
onto the Network VP/VPETM. Match the
hinges together and swing the tray open. e
hinges are designed to snap into place when
opened. See Figure 9.
Figure 10
Slide the modem onto the modem tray. Press
onto the board rmly until it snaps securely
into place. Connect the short 16-pin ribbon
cable between the modem and TM. See Figure
9 and Figure 14 item B.
Figure 11 - 102-0104 / 102-8568 Installation Figure 12
Snap the large protective cover over the TM. Be sure the tabs lineup. Place the modem onto the large protective cover.
Secure with the four included screws.
Connect the short 16-pin ribbon cable between the modem and TM.

Install the Network VP/VPETM onto the
plastic satellite cabinet. Install cable assembly
D, E, Fand Gas shown in Figure 14. Turn the
satellite ON and check for proper operation.
B- Modem Cable, 4.75 Inch, 16-Pin Ribbon
Cable
D- 4-Wire Power Cable Assy. from Power
Supply.
E- Conversion Board to Distribution Board
Power Cable, 5.5 Inch 4-wire Cable Assy.
F- Conversion Board to Distribution Board
Ribbon Cable Assy., 5.75 Inch, 16-Pin
Ribbon Cable
G- TM to Conversion Board Ribbon Cable,
12 Inch, 40-Pin Ribbon Cable
!
IMPORTANT: Although the cable
assemblies are keyed, it is possible to install
them incorrectly. Verify the key is as shown in
Figure 14.
Send items for recycling or proper disposal to:
e Toro Company
Attn: Controller Repair
5825 Jasmine St.
Riverside, CA 92502-0489
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Figure 13 Figure 14
© 2015 e Toro Company • Irrigation Division • www.toro.com Part Number 373-0501 Rev. C