Installation Instructions
Please Read Before Installing
1 1 . . M M o o u u n n t t R R o o u u g g h h - - I I n n E E n n c c l l o o s s u u r r e e using one of the following
methods (mounting hardware is not provided):
a a . . S S u u r r f f a a c c e e M M o o u u n n t t - - Use keyholes shown in Figure 1 with
bolts sufficient for 50 lbs. (23 kg) load 1/4" (M6) bolts
recommended.
b b . . R R e e c c e e s s s s M M o o u u n n t t - - Use screws through the right side of
the panel sufficient for 50 lbs. (23 kg) load. Mount panel
flush to or not more than 1/8" (3 mm) below the fin-
ished wall surface. Panel is 2-7/8" (7.3 cm) deep past
cover mounting tabs.
C C a a u u t t i i o o n n - - This equipment is air-cooled. Mount in a
location where the vented cover will not be
blocked. 12 inches (30 cm) of clearance in front of
the vents is required.
N N o o t t e e - - Internal relays will click while in use. Mount
in a location where such noise is acceptable.
C C a a u u t t i i o o n n - - This equipment is intended for indoor
use only.
2 2 . . R R u u n n 1 1 2 2 0 0 V V
p p o o w w e e r r w w i i r r i i n n g g i i n n t t o o t t h h e e p p a a n n e e l l . . P P o o w w e e r r w w i i r r i i n n g g i i s s
o o n n l l y y r r e e q q u u i i r r e e d d w w h h e e n n a a H H W W I I - - D D 4 4 8 8 D D i i m m m m e e r r I I n n t t e e r r f f a a c c e e B B o o a a r r d d o o r r
a a n n H H W W I I - - H H 4 4 8 8 D D i i m m m m e e r r H H u u b b i i s s t t o o b b e e i i n n s s t t a a l l l l e e d d . . Locations to
run power wiring into the panel are shown in Figure 1.
Terminal blocks will accept one 18 through 10 AWG
(1-2.5 mm
2
) wire or two 18 or 16 AWG (1-1.5 mm
Tighten terminal blocks to 3.5 to 5 in-lbs. (0.40 to 0.57
Nm). Do not overtighten.
D D a a n n g g e e r r - - Locate and lock supply breaker in the
OFF position before wiring to power terminal
blocks.
C C a a u u t t i i o o n n - - All wiring must be in accordance with
national and local electrical codes.
3 3 . I I n n s s t t a a l l l l L L o o w w V V o o l l t t a a g g e e A A c c c c e e s s s s o o r r y y B B o o a a r r d d s s i i n n a a c c c c o o r r d d a a n n c c e e w w i i t t h h
i i n n s s t t r r u u c c t t i i o o n n s s p p r r o o v v i i d d e e d d w w i i t t h h t t h h e e b b o o a a r r d d s s . Two configurations
are possible (not every board need be installed for a given
configuration):
a a . . D D i i m m m m e e r r I I n n t t e e r r f f a a c c e e / / H H u u b b B B o o a a r r d d C C o o n n f f i i g g u u r r a a t t i i o o n n : : Install one
HWI-D48 Dimmer Interface Board or HWI-H48 Dimmer
Hub and one HWI-WLB Wire Landing Board (if used).
Connect the leads from the supply transformer to the
power input terminals on the HWI-D48 or HWI-H48.
The upper left corner mounting location for the Dimmer
Hub/Interface Board is identified by a pink dot on the
enclosure. The upper left corner mounting location for
the Wire Landing Board is identified by a green dot on
the enclosure.
L L o o w w V V o o l l t t a a g g e e R R o o u u g g h h - - I I n n E E n n c c l l o o s s u u r r e e
H H W W I I - - L L V V 1 1 7 7 - - 1 1 2 2 0 0
120 V
50/60 Hz 2 A
F F i i g g u u r r e e 1 1 - - E E n n c c l l o o s s u u r r e e D D i i m m e e n n s s i i o o n n s s
17-1/4"
(44 cm)
NEC Class 2;
IEC PELV
Control
Wiring Entries
F F i i g g u u r r e e 2 2 - - I I n n p p u u t t P P o o w w e e r r F F e e e e d d C C o o n n n n e e c c t t i i o o n n
Input 120 V
Hot from
Distribution Panel
(2.0 A max.)
2
) wires.
F F i i g g u u r r e e 3 3 - - D D i i m m m m e e r r I I n n t t e e r r f f a a c c e e / / H H u u b b C C o o n n f f i i g g u u r r a a t t i i o o n n
1-3/16"
120 V
Wiring
(3.0 cm)
Entry
6-3/4"
(17 cm)
4-5/8"
(11.75 cm)
(35.6 cm)
9-1/4"
(23.5 cm)
3/8"
3/8"
(1 cm)
(1 cm)
10"
(25 cm)
Input Neutral from
Input Ground from
Distribution Panel
Distribution Panel
Black
White
Green
HWI-WLB Wire Landing
Board
Screws for recess
mounting
14"
Mount Panel
Vertically
Supply
Transformer
HWI-H48 Dimmer
Hub (shown) or
HWI-D48 Dimmer
Interface
(NEC Class 2; IEC
PELV)