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6.
Locate wall outlet for plug-in transformer and disconnect power to its branch circuit.
DO NOT connect to an outlet controlled by a switch.
7.
For UL294 applications, install a UL-listed tamper switch (not supplied) such as Ademco model 112 with model 28
clip mounting bracket, and connect to your alarm system.
8.
Route wire to enclosure from transformer. Connect incoming AC (low voltage) into the incoming input terminals as
shown.
9.
Connect external loads to appropriate DC terminals observing polarity.
10. Connect battery if applicable to battery +/- terminals observing polarity using supplied red/black leads.
11. Route all power-limited wiring at least
diagram below.
12. Energize branch circuit. The green LED should illuminate to indicate voltage is reaching the unit. The red LED
should illuminate showing DC voltage is present at the output.
13. Secure the cabinet cover with metal screws to prevent access by unauthorized personnel.
Mounting
holes (4)
WARNING:
!
To reduce risk of electric shock, do not expose unit to rain or excessive moisture, and disconnect power
before servicing unit.
• A readily accessible switched circuit breaker must be available to disconnect mains power as required.
• All power-limited wiring should be routed so that it cannot touch non-power-limited wiring; minimum
spacing 1/4" (6.35 mm).
• No user-serviceable parts inside. Installation & servicing should only be made by qualified personnel.
• Install in accordance with all local regulations and the National Electrical Code
NOTE: This instruction sheet shall be the only document referenced when installing this product.
2
¼
" (6.1 mm) from any non-power limited wiring, observing wire routing on
DC Out (Non-power limited)
Ground stud
(future use)
Red/black battery leads
(Match polarity)
(Non-power limited)
12 V battery
Figure 1 Typical Assembled Kit and Wiring Diagram
HP312CX Installation Instructions P/N 52373:C 03/22/2005
Note:
Mount only
in orientation
shown.
Low-voltage AC IN
(Power limited)
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