Siemens Building Technologies, Inc
. P84448-003 B
Page 3 of 3
The following figures (A-D) show the maximum number of field wires (conductors) that can enter the backbox used with each mounting option. If these
limits are exceeded, there may be insufficient space in the backbox to accommodate the field wires and stresses from the wires could damage the
product. Check that the installed product will have sufficient clearance and wiring room prior to installing backboxes and conduit, especially if sheathed
multiconductor cable or 3/4" conduit fittings are used.
Figure 5:
+
-
(+)
(-)
-
+ TO NEXT APPLIANCE OR
END OF LINE
RESISTOR (EOLR)
FROM PRECEDING
APPLIANCE OR FIRE
ALARM CONTROL
PANEL (FACP
A
FLUSH MOUNTING
4
4
4
4
AWG #18 AWG #16 AWG #14 AWG #12
MAXIMUM NUMBER OF CONDUCTORS
BACKBOX 2.0" DEEP
STD. SINGLE-GANG
UNIVERSAL
MOUNTING PLATE
#6-32 SCREWS
#6-20 SCREW
B
FLUSH OR SURFACE MOUNTING
4
4
4
4
AWG #18 AWG #16 AWG #14 AWG #12
MAXIMUM NUMBER OF CONDUCTORS
DEEP BACKBOX OR
4" SQ. X 1-1/2"
UNIVERSAL
MOUNTING PLATE
#8-32 SCREWS
#6-20 SCREW
100mm SQ. X 37.5mm
EUROPEAN BACKBOX
Figure 6:
C
FLUSH OR SURFACE MOUNT
4
4
4
4
AWG #18 AWG #16 AWG #14 AWG #12
MAXIMUM NUMBER OF CONDUCTORS
DEEP BACKBOX
DOUBLE-GANG X 2-1/4"
#6-32 SCREWS
UNIVERSAL
MOUNTING PLATE
#6-20 SCREW
D
SURFACE MOUNT
4
4
4
4
AWG #18 AWG #16 AWG #14 AWG #12
MAXIMUM NUMBER OF CONDUCTORS
#6-20 SCREW
SURFACE BACKBOX
SHBBS
UNIVERSAL
MOUNTING PLATE
#8-32 SCREWS
•
AS-HMC-C has in-out wiring terminals that
accepts two #12 to #18 American Wire Gauge
(AWG) wires at each screw terminal. Strip leads
3/8” inches for connection to screw terminals.
•
Break all in-out wire runs on supervised circuit
supervision as shown in Figure 6. The polarity
shown in the wiring diagrams is for the operation
of the appliances. The polarity is reversed by the
FACP during supervision.
MOUNTING PROCEDURES:
1.
This model can be flush mounted to a standard single-gang backbox (Figure A), 4” backbox (Figure B) or double-gang backbox (Figure C). They can
also be surface mounted to a 4” or 100mm backbox (Figure B), a double-gang backbox (Figure C) or a SHBBS surface backbox (Figure D).
Mounting hardware for each mounting option is supplied. For proper mounting, be sure to use the mounting screws supplied with the unit.
2.
The Universal Mounting Plate (UMP) must be oriented correctly when it is mounted to the backbox. Turn the UMP so that the arrow above the words
“Horizontal Strobe” points to the top side of the UMP.
3.
Conduit entrances to the backbox should be selected to provide sufficient wiring clearance for the installed product. Do not pass additional wires
(used for other than the signaling appliance) through the backbox. Such additional wires could result in insufficient wiring space for the signaling
appliance.
4.
When terminating field wires, do not use more lead length than required. Excess lead length could result in insufficient wiring space for the signaling
appliance. Position the field wires in the backbox so that they use minimum space and produce minimum stress on the product. This is especially
important for stiff, heavy gauge wires and wires with thick insulation or sheathing.
5.
Thread the 4 field wires through the opening of the UMP. Mount the UMP to backbox.
6.
Connect 4 field wires to the AS-HMC-C terminal block (polarity must be observed). Bend the 4 field wires up 90
o
at the connection to the terminal
block.
7.
Carefully push the 4 field wires into the backbox through the opening of the UMP by hand.
8.
Hook the 2 slots on the inside wall of the AS-HMC-C onto the 2 tabs of the UMP and screw the unit to the UMP using the #6-20 screw supplied.
The 177cd setting is Listed for use in sleeping or non-sleeping areas when installed in accordance with appropriate NFPA Standards and the AHJ.
WARNING: A SMALL POSSIBILITY EXISTS THAT THE USE OF MULTIPLE STROBES WITHIN A PERSON'S FIELD OF VIEW, UNDER CERTAIN
CIRCUMSTANCES, MIGHT INDUCE A PHOTO-SENSITIVE RESPONSE IN PERSONS WITH EPILEPSY. STROBE REFLECTIONS IN A GLASS OR
MIRRORED SURFACE MIGHT ALSO INDUCE SUCH A RESPONSE. TO MINIMIZE THIS POSSIBLE HAZARD, SIEMENS STRONGLY
RECOMMENDS THAT THE STROBES INSTALLED SHOULD NOT PRESENT A COMPOSITE FLASH RATE IN THE FIELD OF VIEW WHICH
EXCEEDS FIVE (5) Hz AT THE OPERATING VOLTAGE OF THE STROBES. SIEMENS ALSO STRONGLY RECOMMENDS THAT THE INTENSITY
AND COMPOSITE FLASH RATE OF INSTALLED STROBES COMPLY WITH LEVELS ESTABLISHED BY APPLICABLE LAWS, STANDARDS,
REGULATIONS, CODES AND GUIDELINES.
NOTE:
This equipment has been tested and found to comply with the limits for a Class B digital appliance, pursuant to Part 15 of the FCC Rules. These
limits are designed to provide reasonable protection against harmful interference in residential installation. This equipment generates, uses and can
radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more
of the following measures: 1) Reorient or relocate the receiving antenna, 2) Increase the separation between the equipment and receiver, 3) Connect
the equipment into an outlet on a circuit different from that to which the receiver is connected, and 4) Consult the dealer or an experienced radio/TV
technician for help.
