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Tunnel Master® Jr. User Manual
Appendix
Appendix
The following three appendixes are three different scenarios you might have at your car wash.
1 Relay box, 1 Keypad, and 1 Printer
Figure 9-1. 1 Relay box, 1 Keypad, and 1 Printer
Tunnel Master® Jr. Controller Equipment Layout & Addressing
1 Relay Box, 1 Keypad, Report/Receipt Printers
(See System Installation Guide for wiring instructions)
Relay Box/Controller
Equipment Room
(Mounted in dry environment)
Report Printer
(Optional)
Next to Relay Box
1. Report printer power to 120 VAC
outlet on same dedicated 120 VAC
circuit as Relay Box.
2. Communication from Relay Box.
3. Report Address set to
0
if attached to
primary relay box or same address as
Keypad if it is attached to a Keypad.
Entry Keypad
Wash Entrance
1. Keypad power supplied by
24 VAC from Relay Box.
2. Communication cable from
Relay Box.
3. Keypad Address set to
5
or greater.
Receipt Printer
(Optional)
Wash Entrance
1.
Receipt printer power to
1
2
0 VAC outlet on same
dedicated 1
2
0 VAC circuit
as Relay Box.
2.
Communication from Keypad.
3.
Receipt Address set to same
address as Keypad it is
attached to.
to 120 VAC
to 120 VAC outlet
to 120 VAC
outlet
Conduit A
A dedicated 1
2
0 VAC circuit shall be run with 14/3
copper shielded wire with an insulation rating of
300v through a listed 3/4” conduit and secured with
listed circuit hubs.
Conduit B
A 3/4” listed conduit shall be run from the Relay Box to the
Keypad and secured with listed circuit hubs. This conduit will
contain communication wire and three 18 gauge conductors
both
should have an insulation rating of 300v.
A
B
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