Installation Instructions for Siemens - Fire Safety
U-MH-1G, U-MH, U-MH-1G and U-MHT Electronic Signal and
U-MH-MCS, and U-MHT-MCS Electronic Signal W/ Strobe
(Selectable Candela / Sync/Non-Sync Strobe)
IMPORTANT - All audible and visual signaling appliances must be installed in The Electronic Signal and the Strobe lights were only tested to the operating
accordance with all applicable national and local fire alarm codes and any
other required regulatory agency.
voltage limits of 16v and 32v. Do Not apply 80% and 110% of these values
for system operation.
The Electronic Signal and the Strobe lights are designed for DC and FWR
power sources.
The Electronic Signal and the Strobe lights are for indoor use only, +32ºF to
120ºF (0ºC to 49ºC) with a maximum humidity of 85% RH. They can be either
wall mounted or ceiling mounted.
The Electronic Signal and the Strobe lights must be connected to a compatible
The maximum number of 15 cd sync Strobes per circuit is 42. The maximum
signal circuit with a steady current output and appropriate voltage.
line impedance between any two adjacent Strobes to still remain in sync is 30
The Strobe lights is designed to operate as a synchronized strobe when
ohms. Note: Do not exceed maximum recommended line impedance specified
properly wired to a Model DSC Sync Control unit or a compatible source of
for the Notification Appliance Circuit.
Siemens Sync Protocol. When the Strobe light is connected to a conventional
Field repair of these signals is not to be attempted. Malfunctioning units should
notification circuit, it will flash at a 1 Hz rate but it will not be synchronized.
be returned to the factory for repair or replacement.
The Model U-MH-1G Series Electronic Audible Signal may be configured for
As with all fire equipment periodic testing is required (Ref. NFPA 72). Signals
steady or non-sync temporal operation. When selecting temporal pattern
should be tested at least two times a year and more often if required by local
output, the Electronic Audible Signal must be powered from a Non-Pulsing
and/or state codes. Defective devices must be replaced immediately.
Notification Appliance Circuit. See diagram at bottom of page for location of
jumper for configuring Model U-MH-1G Series Electronic Signal for steady or
temporal output.
The Strobe lights can also be installed in systems needing synchronization
(See Fig. 8). For synchronization a Model DSC Sync Control unit or a
compatible source of Siemens Sync Protocol must be wired electrically
before the strobes. For synchronization load requirements see Installation
Instructions for the DSC Sync Control unit or compatible source of Siemens
Sync. Protocol.
Audible Specifications
SOUND
NOTE:
Audible part of U-MH-MCS and U-MHT-MCS Electronic
Signals are NOT for use in circuits needing synchronization and are
NOT to be connected to a source of Siemens Sync Protocol.
Jumper Location for
Model U-MH-1G, U-MHT and U-MHT-MCS
Steady
ON=TEMPORAL
OFF=STEADY
NOTE: When Selecting Temporal
Pattern, the Horn Must be Powered
From a Non-Pulsing Notification
Appliance Circuit.
Temporal
(U-UMHT
series)
UL
REVERBERANT
VOLTAGE
RMS
Special
Application
DC & FWR
Current
16
11ma
79.2
24
18ma
82.4
32
26ma
83.8
16
9ma
75.9
24
16ma
77.7
32
26ma
79
dB @ 10 FT.
Temporal Selector Jumper
Note: The 3 pulse temporal pattern is to be used for evacuation
use only.
For visual specifications for strobe currents & intensities
See page 5.
An ISO Certified Company
Made in the USA
Siemens Building Technologies, Inc.
8 Fernwood Road
Florham Park, New Jersey 07932
315-544988-4
PAGE 1 OF 6
4/30/04
Mounting Instructions
Wiring Note: Individual wires (especially heavy gauge wire) should be bent at 90° before attaching to screw. Wiring should then
carefully be pushed back into back box to minimize stress on the terminal block.
(2) 6-32 x 1-3/4"
Screws
U-MH-1G or U-MH-1G ELECTRONIC SIGNAL (Fig. 1)
1.
2.
3.
4.
For U-MH-1G Electronic Signal, configure Electronic Signal for
temporal or steady tone. (see diagram on page 1)
Connect wiring (see fig. 4).
Mount the Electronic Signal to the single gang box with the two
# 6-32 x 1-3/4" screws.
Test unit for proper operation.
Fig. 1
(U-MH-1G
or U-MH-1G)
(4) 6-32 x
5/8" Screws
(2) 6-32
x 5/8"
Screws
U-MH or U-MHT ELECTRONIC SIGNAL (Fig 2)
1.
2.
3.
4.
5.
6.
For U-MHT Electronic Signal, configure Electronic Signal for
temporal or steady tone. (see diagram on page 1)
Pull the wires from the outlet box through the large opening in the
adapter plate.
Mount the adapter plate to the electrical box using the appropriate
screws provided. Making sure that the adapter plate is mounted in
the upright position.
(Note: When using a single gang outlet box make sure to use the holes
labelled "single gang".)
Connect wiring (see fig. 5).
Mount the grill on to the adapter plate by first engaging the two
slots in the bottom of the grille with the two tabs in the bottom of
the adapter.
Test unit for proper operation.
U-MH-MCS, U-MHT-MCS ELECTRONIC SIGNAL/STROBE (Fig. 3)
1.
2.
3.
4.
5.
6.
7.
8.
#6 x 1-1/4"
Self
Tapping
Screw
(2) 8-32
x 1/2"
Screws
OR
OR
Fig. 2
(U-MH or U-MHT)
(4) 6-32 x
5/8" Screws
For U-MHT-MCS Electronic Signal w/Strobe, configure Electronic Signal
for temporal or steady tone. (see diagram on page 1)
TIGHTEN SCREW UNTIL SNUG
(2) 6-32
Move Strobe Candela Selection Switch to desired setting.
DO NOT OVERTIGHTEN
x 5/8"
(see diagram page 5)
Screws
Place supplied hole plug (P/N 944276) in for hole for Strobe
Candela Selection Switch.
Pull the wires from the outlet box through the large
(2) 8-32
OR
opening in the adapter plate.
x 1/2"
OR
#6 x 5/8"
Mount the adapter plate to the electrical box using the
Screws
Self
appropriate screws provided. Making sure that the adapter
Tapping
plate is mounted in the upright position.
Screw
(Note: When using a single gang outlet box make sure to use
the holes labelled "single gang".)
Configure and wire the U-MH-MCS or U-MHT-MCS for either single
circuit or split audible/strobe operation (see fig. 6, fig. 7 or fig. 8).
(Note: Split operation requires two separate notification circuits.)
Fig. 3
(Note: Audible part of U-MH-MCS and U-MHT-MCS Electronic Signals are
(U-MH-MCS or U-MHT-MCS)
not for use in circuits needing synchronization and are not to be
connected to source of Siemens Sync Protocol.)
Supplied Hole Plug (P/N 944276)
Mount the grille on to the adapter plate by first engaging the two
Place Hole Plug in hole for Strobe Candela
slots in the bottom of the grille with the two tabs in the bottom of the
Selection Switch after moving Candela
adapter plate. Then use the # 6 x 5/8" self tapping screw to attach
Selection Switch to desired candela rating
position
the grill to the adapter plate.
Test unit for proper operation.
315-544988-4
PAGE 2 OF 6
4/30/04
NOTE:
Wiring Diagrams
UNITS TO BE ONLY INSTALLED IN ACCORDANCE WITH THE NATIONAL ELECTRICAL CODE AND LOCAL ELECTRICAL CODES.
DO NOT LOOP WIRE, CUT WIRE RUN TO PROVIDE ELECTRICAL SUPERVISION
Terminals are designed to accept no larger than 12 ga. wire.
Wiring Diagram for
Wiring Diagram for
U-MH-1G or U-MH-1G Electronic Audible Signal
U-MH or U-MHT Electronic Audible Signal
(Non-Sync Circuit)
(Non-Sync Circuit)
Individual wires (especially heavy
gauge wire) should be bent at 90°
before attaching to screw. Wiring
should then carefully be pushed
back into back box to minimize
stress on the terminal block.
TO NEXT
DEVICE
OR EOL.
FROM CONTROL
PANEL OR
PREVIOUS DEVICE
AUDIBLE
NOTIFICATION
APPLIANCE CKT.
ALARM POLARITY SHOWN
FROM CONTROL
PANEL OR
PREVIOUS DEVICE
AUDIBLE
NOTIFICATION
APPLIANCE CKT.
Fig. 4
TO NEXT
DEVICE
OR EOL.
ALARM POLARITY SHOWN
Fig. 5
Wiring Diagram for U-MH-MCS or U-MHT-MCS Electronic Audible Signal w/Strobe
When Signal and Non-Sync Strobe are Connected to Same Notification Appliance Circuit.
LEAVE JUMPERS IN PLACE
(STROBE AND AUDIBLE SIGNAL
ARE TO OPERATE ON THE SAME
CIRCUIT)
Individual wires (especially heavy
gauge wire) should be bent at 90°
before attaching to screw. Wiring
should then carefully be pushed
back into back box to minimize
stress on the terminal block.
NOTE: STROBES MUST BE
CONNECTED TO A NON-PULSING
NOTIFICATION APPLIANCE CKT.
FROM CONTROL PANEL
OR PREVIOUS DEVICE
TO NEXT DEVICE OR EOL.
ALARM POLARITY SHOWN
NOTIFICATION
APPLIANCE CKT.
NOTE:
+
-
+
-
WHEN AUDIBLE SIGNAL AND STROBE ARE CONNECTED TO SAME NOTIFICATION APPLIANCE CIRCUIT,
CURRENT RATING IS COMBINATION OF AUDIBLE SIGNAL AND STROBE CURRENT.
Fig. 6
315-544988-4
PAGE 3 OF 6
4/30/04
Wiring Diagrams
NOTE: UNITS TO BE ONLY INSTALLED IN ACCORDANCE
WITH THE NATIONAL ELECTRICAL CODE AND LOCAL
ELECTRICAL CODES.
DO NOT LOOP WIRE, CUT WIRE RUN TO PROVIDE
ELECTRICAL SUPERVISION
Terminals are designed to accept no larger than 12 ga. wire.
Wiring Diagram for U-MH-MCS or U-MHT-MCS Electronic Audible Signal w/Strobe
When Signal and Non-Sync Strobe are Connected to Two Separate Notification Appliance Circuits.
CUT JUMPERS (AUDIBLE
SIGNAL AND STROBE ON
SEPARATE CIRCUITS)
NOTE: STROBES MUST BE
CONNECTED TO A NON-PULSING
NOTIFICATION APPLIANCE CKT.
FROM CONTROL PANEL
OR PREVIOUS DEVICE
STROBE NOTIFICATION
APPLIANCE CKT.
AUDIBLE NOTIFICATION
APPLIANCE CKT.
+
+
-
TO NEXT DEVICE OR EOL.
ALARM POLARITY SHOWN
Fig. 7
+
+
-
Individual wires (especially heavy
gauge wire) should be bent at 90°
before attaching to screw. Wiring
should then carefully be pushed
back into back box to minimize
stress on the terminal block.
Wiring Diagram for U-MH-MCS, U-MHT-MCS Electronic Audible Signal w/Strobe
When Strobe is Connected to DSC Sync Control Module.
From control panel steady (non-pulsing or pulsing) silenceable
Notification Appliance Circuit or previous silenceable notification appliance.
From control panel steady (non-pulsing) non-silenceable
Notification Appliance Circuit (N.A.C.) or previous notification appliance.
CUT JUMPERS
(STROBE ON SYNC
STROBE CIRCUIT)
DSC
16-32 V
DC or FWR
20ma
NOTE: STROBES MUST BE
CONNECTED TO A
NON-PULSING NOTIFICATION
APPLIANCE CKT.
NOTE: Audible part of U-MH-MCS and UMHT-MCS
Electronic Signals are not for use in
circuits needing synchronization and
are not to be connected to Model DSC
Sync Control unit.
SUPERVISED AND
POWERED BY
NON-SILENCEABLE
N.A.C. FROM FIRE
ALARM CONTROL UNIT.
FROM CONTROL PANEL
AUDIBLE N.A.C. OR
PREVIOUS AUDIBLE DEVICE
315-544988-4
TO NEXT DEVICE
OR EOL.
Fig. 8
PAGE 4 OF 6
TO NEXT DEVICE
OR EOL.
4/30/04
SPECIFICATIONS: Visual Signaling Appliance
The Strobe Candela Selection Switch Setting determines current draw.
Adjustment Switch Setting
15
30
75
110
Listed UL 1971 Output
15 cd
30 cd
75 cd
110 cd
Light Output, on Axis
75 cd
75 cd
75 cd
110 cd
Operating Voltage Range Limits
Special Application 16 - 32V DC or FWR
DC
*Maximum Operating RMS
Current FWR & DC
FWR
DC
FWR
DC
FWR
DC
FWR
16V
91 mA
112 mA 120 mA 139 mA 218 mA 251 mA 315 mA 323 mA
24V
63 mA
82 mA
84 mA
107 mA 143 mA 182 mA 178 mA 234 mA
32V
54 mA
75 mA
64 mA
94 mA
16V
Rated Peak Current FWR &
24V
DC
32V
116 mA 142 mA 153 mA 183 mA
132 mA 264 mA 169 mA 272 mA 642 mA 668 mA 624 mA 652 mA
118 mA 278 mA 153 mA 298 mA 330 mA 668 mA 434 mA 636 mA
104 mA 664 mA 177 mA 668 mA 648 mA 682 mA 624 mA 666 mA
Less than 840ma for 2 ms.
Initial Inrush
1 Per Second
Strobe Flash Rate
15 cd and 30 cd Strobe switch settings were tested for 75 cd. minimum on
axis.
ADA Minimum Frontal Light Output requirement is 75 cd.
UL. 1971 Standard covers emergency signaling devices for the hearing
impaired.
These strobe lights were only tested to the operating voltage limits of 16v
and 32v. Do Not apply 80% and 110% of these values for system operation.
The maximum number of 15 cd sync strobes per circuit is 42. The maximum
line impedance between any two adjacent strobes to still remain in sync is
30 ohms. Note: Do not exceed maximum recommended line impedance
specified for the Notification Appliance Circuit.
UL 1971 Visual Dispersion
for Wall and Ceiling Mounting
Minimum Candela
Degrees
-15
-30
-60
-75
-110
110
0
75
75
75
75
5 to 25
13.5
27
54
67.5
99
30 to 45
11.25
22.5
45
56.25
82.5
50
8.25
16.5
31
41.25
60.5
55
6.75
13.5
27
33.75
49.5
60
6
12
24
30
44
65
5.25
10.5
21
26.25
38.5
70
5.25
10.5
21
26.25
38.5
75
4.5
9
18
22.5
33
80
4.5
9
18
22.5
33
85
3.75
7.5
15
18.75
27.5
90
3.75
7.5
15
18.75
27.5
315-544988-4
Supplied Hole Plug (P/N 944276)
Place Hole Plug in hole for Strobe
Candela Selection Switch after
moving Candela Selection Switch
to desired candela rating position
30
candela
75
candela
15
candela
110
candela
Strobe Candela Selection
Switch Location
PAGE 5 OF 6
Strobe Candela Selection
Switch Settings
Factory Set at 15 Candela
4/30/04
Siemens - 8 Fernwood Road, Florham Park, New Jersey 07932
An ISO Certified Company
Made in the USA
315-544988-4
PAGE 6 OF 6
4/30/04