Tunnel Master® Jr. User Manual
- Page 64
Appendix
Tunnel Master® Jr. Controller Equipment Layout & Addressing
2 Relay Boxes, 1 Entry Keypad, Report/Receipt Printer
(See System Installation Guide for wiring instructions)
Relay Box/Controller
Equipment Room
1.
Relay Box power supplied by
dedicated 1
2
0 VAC circuit.
2.
Supply separate 24 VAC and 120 VAC
power to common (C) of side of upper
and lower termination points on each
relay respectively.
2nd Relay Box
Equipment Room
1.
Relay Box powered by dedicated
1
2
0 VAC circuit from 1st Relay Box.
2.
Loop separate 24 VAC and 120 VAC
circuits in 1st Relay Box to common
(C)
in 2nd Relay Box.
3.
Relay address set to
9
in wash settings.
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
.
Report/Receipt
Printer
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.
Report Address set to same
address as Keypad it is attached
to, in this example
5
.
4.
Receipt Address set to same
address as Keypad it is attached
to, in this example
5
.
to 120 VAC
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 to the
1st Relay Box/Controller and on to the 2nd Relay
Box and secured with listed circuit hubs.
Conduit B
A 3/4” listed conduit shall be run between the
1st and 2nd Relay Box and must be secured with
listed circuit hubs. This conduit will contain
communication wire.
Conduit C
A 3/4” listed conduit shall be run from the 2nd Relay
Box to the 1st Keypad and on the 2nd Keypad and
must
be secured with listed circuit hubs. This conduit
will contain communication wire and three 18 gauge
conductors for 24 VAC power. Both should have an
insulation rating of 300v.
A
A
C
B
(Mount
ed in dr
y en
vironment)
2 Relay boxes, 1 Keypad, and 1 Printer
Figure 9-2. 2 Relay boxes, 1 Keypad, and 1 Printer
Summary of Contents for Tunnel Master Jr
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