User Manual

6
Note:
1. RPR-1 remote relay and HTRI are used for 24VDC power supervision. 24VDC wire open will
cause trouble reported by HTRI. Refer to Installation Instruction of RPR-1 (315-096055).
2. ABHW-4S terminals 5-6 are polarity insensitive. Line 1 and Line 2 can be either line of device
loop.
3. EOL device of HTRI: 3.6K, 1/4W resistor, P/N 140-820185.
4. ABHW-4S can be wired either Style Z (Class A) or Style Y (Class B).
5. For the max load current, refer to the specifications of the compatible panels listed in this
document.
6. The 24VDC regulated power supply could be the Aux Power Output from the compatible
panels or from PAD-3/PAD-4, or other UL listed 24VDC regulated power supply. 24V FWR
power supply can't be allowed.
Figure 1
Installation/Wiring Diagram for ABHW-4S Audible Base Powered by 24 VDC
Regulated Power Supply