TUNNEL MASTER JR MANUAL
System Hardware
25
The Entrance Keypad Installation
Second Keypad
Mounting and
Installation
The following instructions will provide detail information on
proper mounting and installation of the optional second Entrance
Keypad
Second Entrance Keypad Mounting
•
The second Entrance Keypad should be mounted securely to the wall of the car wash,
directly next to the first Entrance Keypad in the entrance to the tunnel.
•
The keypad is a Type 3 enclosure, which means it is a watertight enclosure, but should
not be mounted where it is constantly inundated with water.
•
The keypad should be mounted away from corrosive chemicals.
Second Entrance Keypad Wiring
•
One approved 3/4” conduit must be run between the first and second Keypads. Conduit
should originate from the bottom of the first keypad enclosure to the bottom of the
second keypad enclosure. All conduits shall be properly connected and securely
fastened to the boxes with Listed conduit hubs, and should be tightened to the torque
specs of the manufacturer.
•
The conduit shall be secured with a Listed watertight conduit hub, and should be
tightened to the torque specs of the manufacturer. Overtoquing may cause enclosure
breakage.
•
The conduit will contain the 24vac and Communications cable and should enter the
opening in the bottom of the keypad enclosure.
•
Electrician must run 3 - 18 AWG wires, or cable (supplied by customer) through the
3/4” conduit above from the first Entrance Keypad to the second Entrance Keypad.
•
There are terminal blocks (POWER), located on each of the keypad circuit boards
labeled with
24H
,
24L
and
GND
, for Hot, Low and Ground, respectfully. Terminations
for the 3 – 16AWG wires should be torqued to 20 pound-inches (2.3 n-m.)
Overtorquing may cause enclosure breakage.
•
24vac terminations must be made as follows:
First Entrance Keypad
Second Entrance Keypad
24H
24H
24L
24L
GND
GND
•
Electrician must run a single-twisted pair, 24AWG
shielded
COM cable (can be
purchased from ICS) through the above 3/4” conduit from the first Entrance Keypad to
the second Entrance Keypad.
