Tel: (248) 380-6264 • (800) 326-8456 • Fax: (248) 380-6268 • 28045 Oakland Oaks Court • Wixom, MI 48393
w w w . n a t s c o . n e t
SPECTRUM SERiES
MoUnTing inSTRUCTionS
ModElS SS-24 ,SS-120, SS-WiFi; STEEl CaSES
Dial Size
A
B
C
10” Round Steel-Surface
11.65”
3.25”
-
10” Round Steel-Flush
11.13”
1.38”
0.55”
12” Round Steel-Surface
13.50”
3.25”
-
12” Round Steel-Low Profile
13.38”
2.00”
-
12” Round Steel-Flush
13.00”
1.38”
0.55”
12”Square Steel-Surface
12.50”
2.75”
14.50”
16”Round Steel-Surface
16.98”
4.75”
-
16” Round Steel-Flush
16.50”
1.38”
0.55”
Steel Double Face
Steel Case
Surface
Low Profile
Flush
Dial Size
A
B
C
10” Round Steel-Double Face
11.65”
8.63”
14.00”
12” Round Steel-Double Face
13.50”
8.63”
16.00”
16” Round Steel-Double Face
16.98”
8.63”
19.00”
12” Square Steel-Double Face
12.50”
8.63”
14.50”
Case Dimensions:
Surface Mounting with Standard Surface Bracket
Case Styles: Surface, Low-Profile
Movement Types: SS-24V or SS-WIFI-2B/4B
Mount the surface bracket to the wall using wall anchors appropriate for the wall con-
struction. Battery powered and low voltage systems may not require an electrical box.
Mount the bracket at the desired height for the top of the clock case. Leave a minimum
of 4” to the ceiling to allow installation of the acorn nut.
Case Styles: Surface, Low-Profile
Movement Types: SS-120V, SS-24V or SS-WIFI-2B/4B
Mount the surface bracket to the securely mounted single gang or handy electrical
box using 6-32 screws. The top of the clock case will be approximately 0.75” above
the electrical box. Leave a minimum of 4” to the ceiling to allow installation of the
acorn nut. Dimension D=1.0” for all clock sizes.
Case Styles: Surface, Low-Profile
Movement Types: SS-WIFI-WT
Mount the surface bracket over a handy box with a duplex outlet. The wall transformer
plugs into the top outlet to power the clock. Leave a minimum of 4” to the ceiling to
allow installation of the acorn nut.
Case Styles: Surface, Low-Profile
Movement Types: SS-WIFI-HW
The mounting plate includes the transformer assembly. Connect the 120VAC wires to the
transformer and mount the bracket to a handy box with the transformer inside the box.
The plug-in cable will provide 24VAC to power the clock. Leave a minimum of 4” to the
ceiling to allow installation of the acorn nut.