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4-Series

TM

Low-Voltage Rough-In Enclosure

HWI-LV24-120

120 V   , 50/60 Hz, 2 A

1

Please Read Before Installing

Installation Instructions

Overview

The 

4 Series

Low-voltage Rough-in Enclosure pro-

vides a compact housing for mounting the 

4 Series

processor. The enclosure accepts one 120 V    feed
to power the processor and its connected keypads.
The enclosure's main feed is self-contained in an
enclosed high-voltage area, eliminating exposure of
high voltage connections when the enclosure cover is
removed for low-voltage wiring. In addition to the
processor, up to 2 contact closure boards (HWI-CCO-
8 or HWI-CCI-8) and/or wire landing boards (HWI-
WLB) may be mounted in the 24 in. (70 cm) enclo-
sure. Contact closure outputs provide low-voltage con-
trol of motors and shades. Contact closure inputs
allow interfacing to photocells, security systems, and
other home systems. The wire landing board is a
wiring aid with three sets of four terminal blocks con-
nected pin-to-pin, simplifying home run wiring.

Important Notes

Codes:

Install in accordance with all local and nation-

al electrical codes.

Note: 

Enclosure must be protected by an

appropriately rated (min. 15 A) circuit break-
er, to be supplied and installed in accordance
with local codes by the installer.

Mounting Location: 

Power supply will hum slightly

and internal relays will click while in use. Mount in a
location where such noise is acceptable.

Environment:

Ambient operating temperature: 

0-40°C, 32-104°F, 0-90% humidity, non-condensing.
Indoor use only.

Cleaning:

To clean, wipe with a clean damp cloth.

DO NOT

use any chemical cleaning solutions.

HWI-LV24-120

Knockout for
RS232 cable

Mounting Diagram

24 in. 

(61 cm)

15-1/8 in. (39 cm)

10-3/4 in.

(27 cm)

8 in.

(20 cm)

1-1/2 in. 

(38 mm)

1-3/4 in. 

(44 mm)

21-1/2 in. 

(55 cm)

1-1/2 in. 

(38 mm)

Screw 

locations for

recess 

mounting

5/16 in. dia.

(8 mm)

5/8 in. dia.

(16 mm)

keyholes

Mount

Enclosure

Vertically

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