ICS Tunnel Master wbc, Руководство по установке

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Tunnel Master® wbc Installation Guide Page 52 Tunnel Master® wbc Installation Guide
Page 52
Second Entrance Keypad Wiring
„
Second keypad allows for an additional 16 services to be selected for a total of 32 selectable
services.
„ 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 should properly be connected and securely fastened to the boxes with
Listed conduit hubs and be tightened to the torque specs of the manufacturer.
„
The conduit shall be secured with a Listed watertight conduit hub.
„
The conduit contains the 12V AC and Communications cable entering from the opening in the
bottom of the keypad enclosure.
„
Electrician must run 4 - 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
ACH, ACN and then a Ground Lug, for Line, Neutral and Ground, respectfully. Terminations for
the 4 – 18AWG wires should be torqued to 4.42 in. lbs to 5.31 in. lbs (.5 - .6 Nm).
NOTE:
†
Over torquing may cause enclosure breakage.
„
There is a terminal block (NETWORK 485), located on each of the keypad circuit boards labeled
with DT+, DT-, for Data+, Data- , respectfully. The Shield Drain terminates on the Ground Lug.
Terminations for the single-twisted pair 24/4 COMM wires should be torqued to 4.42 in. lbs to
5.31 in. lbs (.5 - .6 Nm).
NOTE:
†
Over torquing may cause enclosure breakage.
First Entrance Keypad Second Entrance Keypad
ACH ACH
ACN ACN
Ground Lug Ground Lug
First Entrance Keypad
(Either Connector)
Second Entrance Keypad
DT+ DT+
DT- DT-
Ground Lug Ground Lug
Second Entrance Comm Cable
Electrician must run a single-twisted pair, 24 AWG shielded COM cable (can be purchased from ICS)
through the above 3/4” conduit from the first entrance keypad to the second entrance keypad.
Table 20. Second Entrance Keypad Wiring
Table 21. Network 485