43
120001 Rev K 1-19-18
Step 5. Mechanical Pulse Output - If the dispenser is to be wired to a mechanical interface card/key
system, the following wires will be needed:
(2) Pulse output wires per CPU/Control Board (+) and (-) 18 ga. *
(2) Pulse output wires per CPU/Control Board for tank gauge interface (+) and (-) 18 ga. * (If applicable)
(2) Handle circuit wires per CPU/Control Board (+) and (-) 18 ga. *
(1) Authorization wires per CPU/Control Board (+) and (-) 18 ga. *
Note - The field wiring will be connected between a Bennett Pulse Output Board and the third party
interface system. This board will be mounted on the deck inside the electronics enclosure. One Pulse
Output Board can handle two CPU/Control Boards per Product. There can be a maximum of two
Bennett Pulse Output boards per dispenser. Please refer to the Pulse Output Wiring Diagram located in
the Wiring Section of this manual.
IMPORTANT NOTE - When the dispenser is ordered as a “ Dual” AND the Pulse Output will tie to
a Tank Gauge System, the Installer will be required to pull many wires to the dispenser. In this case, the
dispenser should be ordered with a second “optional” field wire conduit and a second conduit for field
wires should be run to the dispenser.
*Note - The Installer should follow the recommended color coding for field wires found in the Pulse
Output Wiring Diagram section of this manual.
Note - When the system has the Mechanical Pulse Output Option the installer will not need to run
current loop or RS485 communication wiring.
Step 6. Intercom Systems - If the dispenser is ordered with an intercom (speaker and call button) the
Installer must pull wires for it.
The following wires are required:
(2) Speaker wires 18 ga.
(2) Call Button (optional) 18 ga.
* Run these wires in separate conduit. Do NOT run with dispenser electronic wires.
WARNING - DO NOT PULL INTERCOM WIRING WITH DISPENSER WIRING IN THE SAME
CONDUIT! INTERCOM WIRING AND DISPENSER WIRING SHOULD BE RUN IN SEPARATE
CONDUITS TO THE DISPENSER. INTERCOM SYSTEM MALFUNCTION WILL OCCUR IF THESE
WIRES SHARE THE SAME CONDUIT.
Refer to the Wiring Diagram section of this manual for Intercom Wiring.
Determining the Number of Wires Needed (Cont’d)
(115 or 230 Volt Installations)
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