Hoistway Wiring Installation Section
©Vertical Express 1-20 Printed in USA April 2020
Hoistway Wiring
The wiring and conduit installation details represent a typical two car group, and installa-
tion for other car and group configurations is similar.
All wiring run in the duct is tied back on each side – separate high voltage from
low voltage. Do not run any low voltage wiring (including any communication wir-
ing) with any wiring that is high voltage switching, such as motor leads.
• Flexible metallic tubing (flex) can be used in conduit runs up to 6 feet.
• Use electrical metallic tubing (EMT) in conduit runs longer than 6 feet.
• Check the job layout to determine the proper quadrant for location of equipment.
• Anchor bolts and hardware (for fastening conduit to the wall) are not furnished as part
of the wiring package.
• All conduit, wireway, wire, and cable is furnished in bulk and must be cut to length.
•2
1
/
2
" x 4" wireway (duct) is provided for the door interlock wiring and hall node riser.
The hall node riser consists of hall nodes mounted within the duct at each floor loca-
tion to provide interconnection and communication to hall devices such as position
indicators, hall calls, and hall lanterns for up to two cars.
•Install one
3
/
4
" EMT run at each landing with a rear opening.
• Install EMT from the wireway to the 4" x 4" box at the rear wall.
• For rear applications, a rear riser of hall nodes is also required. The rear riser of hall
nodes is mounted in the same duct as the front riser. The rear riser provides the hall
device interconnections for up to two cars with rear openings.
• Strain bolts are supplied for installing down the hoistway wireway (at as many places
as may be necessary) to adequately support the hoistway wiring.
• Common functions within a group are wired to a single controller from the hoistway,
and then cross-connected to the remaining cars within the same group (grouped con-
trollers only).
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