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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.

ICS Tunnel Master Jr Manual

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