866 Style W Notification Module
866 Style W Notification Module
The 866 Notification Module provides one 5 Amp Style W notification circuit for supervising listed, polarized
notification devices such as bells, strobes, and horns.
The 866 mounts on the right side of the panel enclosure using the standard three-hole configuration.
1.Mount the plastic standoffs to the enclosure using the three provided Phillips head screws.
2.Insert the screws from the outside of the enclosure through the holes and into the plastic standoff which
mounts on the inside of the enclosure and tighten.
3.After securing the standoffs onto the enclosure, snap the 866 onto the standoffs.
Refer to Figure 1 to properly connect notification circuits to the 866 Notification Module. See the panel installation
guide for the types and number of notification appliances allowed.
Bell Silence
Auxiliary Power to Panel Terminal 7
Ground to Panel Terminal 10
Alarm In to Panel Terminal 5
+ Bell Power In
+ Bell Out
Trouble and Ground
10k Ohm EOL Resistor
- Bell Out
DMP Part #308
N/C Trouble Contacts
N/C Trouble Contacts
For supervised circuits, ground fault is detected at 0 (zero) Ohms.
Figure 1: Connecting Notification Appliances
Bell Silence/Bell Trouble
A bell silence switch on the 866 module is provided to prevent the indicating device from sounding during a system
test. When the Silence position is selected, a 15-second delay occurs before the 866 bell trouble contacts (terminals
7 and 8) open. After testing, return the bell silence switch to the Normal position to return the 866 module to
normal operation.
Auxiliary Power Supply Supervision
The panel supervises the regulated, power limited auxiliary power supply listed for Fire Protective Signals through
the normally closed trouble contacts on the power supply. The power supply trouble contacts connect to terminals
7 and 8 on the 866 module (see Figure 1). The 866 Style W Notification Module provides a relay and two bell trouble
contacts at terminals 7 and 8 to connect the zone input from the panel. When the bell circuit is in a bad condition,
these terminals provide an open condition to the zone. These trouble contacts are rated for up to 2 Amps at 30 VDC
resistive. An open on the circuit causes an open condition to be reported to the panel.
Panel Programming Changes
Program the trouble contacts on the 866 module and the auxiliary power supply as a Supervisory Zone selected for
display in the keypad status list. See the specific panel Programming Guide for more information.
If there is a delay of approximately 20 seconds before the bells connected to the 866 module sound, check that
terminal 7 from the panel is correctly wired to terminal 1 of the 866 module. This provides constant 12 VDC power
to the 866 module. The delay can also occur if the 10K Ohm EOL resistor is not installed on the notification device
circuit, as shown in Figure 1
Panel Compatibility
XT30/XT50 Series, XR100/XR500 Series and
XR150/XR350/XR550 Series panels.
California State Fire Marshal (CSFM)
New York City(FDNY COA #6167)
ANSI/UL 1023Household Burglar
ANSI/UL 985Household Fire Warning
ANSI/UL 864Fire Protective Signaling
2 5 0 0 N o r t h Pa r t n e r s h i p B o u l e v a r d
Designed, Engineered and
Assembled in U.S.A.
Springfield, Missouri 65803-8877
Operating Current (from panel)
Standby: 45 mA
Alarm: 76 mA
Alarm Contact Rating
5 Amps at 24 VDC resistive
Trouble Contact Rating
2 Amps at 30 VDC resistive
Maximum impedance is 100 Ohms
LT-0059 1.02 © 2015 Digital Monitoring Products, Inc.
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