Siemens HZM User manual

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P/N 315-034850-8
INTRODUCTION The Model HZM from Siemens Industry, Inc. is an intelligent device that connects a
single zone of conventional devices to a DLC (FireFinder-XLS System) or FS-DLC (FS-
250 System) device loop.The HZM can power up to fifteen compatible 2-wire, ioniza-
tion or photoelectric smoke detectors or it can power one PB-1191 Beam Detector. It
can also monitor an unlimited number of shorting devices such as waterflow switches,
thermal detectors, manual stations, etc.
Each HZM can be assigned a custom message using either the Zeus Programming
Tool (FireFinder-XLS System) or the FS-CT2 (FS-250 System). Refer to the Zeus Quick
Start Manual, P/N 315-033875, or the FS-250 Programming Manual, P/N 315-049403,
as applicable.The alarm verification configuration is used only for non-shorting detectors.
The HZM supports Class A and Class B wiring.The module uses one address on the
device loop. It does not require any mechanical address programming. Use the DPU
Device Programming Unit to program and test the module.
HZM HZM
FRONT BACK SIDE
ALARM
1 2 3 4 56 7 8 9
PROGRAMMING
POINTS
Figure 1
HZM Module
The HZM is not listed for use in mass notification applications.
Controls And Indicators The HZM has a multicolor LED, visable through the cover plate, which indicates the
condition of the circuit.This multicolor LED displays red for alarm, yellow for trouble,
and green for normal operation (See Figure 1).
PRE-INSTALLATION Setting The Module Address
1. Using the DPU Device Programming Unit, plug the programming cable into
the programming points on the HZM (See Figure 1).
2. Set the address for the HZM by following the instructions in the DPU
Manual, P/N 315-033260.
Remote Conventional Zone Module
Installation Instructions
Model HZM

Siemens Industry, Inc.
Building Technologies Division
P/N 315-034850-82
INSTALLATION
Remove all system power before installation, first battery then AC. (To power up,
connect the AC first, then the battery.)
Electrical Connections After you have set the HZM address, connect the field wiring. There are three basic
connections
to the HZM: initiating devices, DLC or FS-DLC device loop, and 24 VDC
power. All terminals are power limited.
Initiating Devices (Figures 2, 3, and 4)
The HZM supports one zone of initiating devices in either Class A or Class B.The
initiating devices are connected to terminals 5–8 on the HZM terminal block. The
HZM is a polarity insensitive module and terminals 1 and 2 can be connected to
either line of the DLC or FS-DLC Device Loop. Figure 2 shows the Class A wiring.
Figure 3 shows the Class B wiring.
123456789
EARTH
DEVICE LOOP
24VDC POWER
LINE 2
LINE 1
S
TYLE D
/C
LA
SS
A
(DCLA)
EOL * †
* EOL DEVICE IS 4.7K, 1/4W (P/N 140-820188)
FOR CANADIAN APPLICATIONS, USE MODEL†
EL-33 WITH 4.7K, 1/4W RESISTOR.
+++
Figure 2
HZM Initiating Devices Wiring Diagram
Class A/Style D (ULC DCLA) Installation
Figure 3
HZM Initiating Devices Wiring Diagram
Class B/Style B (ULC DCLB) Installation
DEVICE LOOP
2
4VDC POWER
LINE 2
LINE 1
1
2 3 45 6789
EARTH
NOT USED
S
TYLE B
/C
LA
SS
B
(DCLB)
* EOL DEVICE IS 4.7K,
1/4W (P/N 140-820188)
FOR CANADIAN APPLICATIONS,†
USE MODEL EL-33 WITH
4.7K, 1/4W RESISTOR.
++
EOL* †
NOTES
1. Wire 18 AWG minimum, 12
AWG maximum, 35 ohms Max.
2. Supervised, power limited to
NFPA 70 per NEC 760.
3. Voltage 24VDC.
4. Positive and negative ground
fault detected at <60K ohms
for terminals 5-8.
NOTES
1. Wire 18 AWG minimum, 12
AWG maximum, 35 ohms Max.
(both sides)
2. Supervised, power limited to
NFPA 70 per NEC 760.
3. Voltage 24VDC.
4. Positive and negative ground
fault detected at <60K ohms
for terminals 5, 8.

Siemens Industry, Inc.
Building Technologies Division
P/N 315-034850-83
Figure 4 shows the wiring for the PB-1191 beam detector. When the PB-1191 is used,
the 2-position plug from jumper J1 must be removed.
Follow the steps listed below to remove the 2-position plug from J1:
a. Remove the screw from the center of the HZM plastic cover and place it to
one side.
b. Remove the circuit board and locate jumper J1.
c. Remove the 2-position plug from J1.
d. Reassemble the circuit board and plastic cover using the screw that was
removed in the first step.
e. Be sure to use the correct end of line device with the HZM in this configuration.
PB-1191
A B C D EF
1 2 3 4 56789
BEAM DETECTOR WIRING
CLASS B/STYLE B
(ULC DCLB)
HZM
J1
EARTH
3.6K, 1/4W
EOL RESISTO
R
P/N 140-820185
D
O NOT CONNECT MORE THAN
ONE PB-1191 TO AN HZM
DLC DEVICE LOOP
24VDC POWER
LINE 2
LINE 1
NOT USED
Figure 4
HZM Wiring Diagram For PB-1191 Installation
NOTE:
Positive and negative ground fault detected at <60K ohms for terminals 5, 8.

Siemens Industry, Inc.
Building Technologies Division
P/N 315-034850-84
Device Loops (Figures 5 and 6)
The HZM communicates with the FireFinder-XLS via its DLC device loop. The device
loop may be wired Class A or Class B. Figure 5 shows both wiring types. Refer to the
DLC Installation Instructions, P/N 315-033090 for additional wiring information.
Do not mix wiring types; Zone 1 and Zone 2 must be the same wiring type.
NOTES
1. Loop resistance 50 ohms
Max with 252 devices on
the loop. Refer to the DLC
Installation Instructions, P/N
315-033090 if the number of
devices is less than 252.
2. Wire 18 AWG minimum, 12
AWG maximum.
3. No EOL device required.
4. Supervised, power limited to
NFPA 70 per NEC 760.
5. Positive and negative ground
fault detected at <60K ohms
for terminals 5-8 on HZM.
NOTES
1. Loop resistance 50 ohms
Max with 252 devices on
the loop. Refer to the DLC
Installation Instructions, P/N
315-033090 if the number of
devices is less than 252.
2. Wire 18 AWG minimum, 12
AWG maximum.
3. No EOL device required.
4. No jumper required between
terminal 1 and 2, terminal 3
and 4.
5. Supervised, power limited to
NFPA 70 per NEC 760.
6. Positive and negative ground
fault detected at <60K ohms
for terminals 5-8 on HZM.
C
LA
SS
A
*
IN
S
TALLATI
O
N
NO T-TAPPING ALLOWED
CLASS B** INSTALLATION
T-TAPPING ALLOWED
*OPERATES IN FULLCONFORMANCE WITHSTYLE 6(ULC DCLA)
**OPERATES IN FULL CONFORMANCE WITH STYLE 4 (ULC DCLB)
1 2 3 4 5 6 7 8
9 10 11 12 13 14 15 16
1 2 3 4 5 6 7 8
9 10 11 12 13 14 15 16
CC-5/CC-2
CC-5/CC-2
ZON
E
2
ZONE
2
ZON
E
1
ZONE
1
NOT
USED
11 1
1
22 2
2
33 3
3
44 4
4
55 5
5
66 6
6
77 7
7
88 8
8
99 9
9
HZM HZM HZM
HZM
LINE 2
LINE 1
11 1
1
22 2
2
33 3
3
44 4
4
55 5
5
66 6
6
77 7
7
88 8
8
99 9
9
HZM HZM HZM
HZM
LINE 2
LINE 1
NOT USED
NOT USED
NOT USED
11 1
22 233 344 455 566 677 788 899 9
HZM HZM HZM
LINE 2 (RETURN)
LINE 2 (OUT)
LINE 1 (OUT)
LINE 1 (RETURN)
11 1
22 233 344 455 566 677 788 899 9
HZM HZM HZM
LINE 2 (RETURN)
LINE 2 (OUT)
LINE 1 (OUT)
LINE 1 (RETURN)
NOT
USED
CLASS A* INSTALLATION
NO T-TAPPING ALLOWED
CLASS B** INSTALLATION
T-TAPPING ALLOWED
*OPERATES IN FULL CONFORMANCE WITH STYLE 6 (ULC DCLA)
**OPERATES IN FULL CONFORMANCE WITH STYLE 4
(
ULC DCLB
)
ZONE
1
ZONE
1
11 1
1
22 2
2
33 3
3
44 4
4
55 5
5
66 6
6
77 7
7
88 8
8
99 9
9
HZM HZM HZM
HZM
LINE 2
LINE 1
NOT USED
11 1
22 233 344 455 566 677 788 899 9
HZM HZM HZM
LINE 2 (RETURN)
LINE 2 (OUT)
LINE 1 (OUT)
LINE 1 (RETURN)
Loop Circuit
FS-DLC Device
NOT USED
Loop Circuit
FS-DLC Device
NOTES
1. Loop resistance 50 ohms
Max with 252 devices on
the loop. Refer to the FS-
250 Installation, Operation
and Maintenance Manual if
the number of devices is
less than 252.
2. Wire 18 AWG minimum, 12
AWG maximum.
3. No EOL device required.
4. When wiring Class B, no
jumper required between
terminal +OUT and +IN,
terminal -OUT and -IN.
5. Supervised, power limited to
NFPA 70 per NEC 760.
6. Positive and negative ground
fault detected at <60K ohms
for terminals 5-8 on HZM.
Figure 5
HZM Device Loop Wiring Diagram For FireFinder-XLS
The HZM communicates with the FS-250 via its FS-DLC device loop.The device loop
may be wired Class A or Class B. Figure 6 shows both wiring types. Refer to the
FS-250 Installation, Operation and Maintenance Manual, P/N 315-049353, for addi-
tional wiring information.
Figure 6
HZM Device Loop Wiring Diagram For FS-250

Siemens Industry, Inc.
Building Technologies Division
P/N 315-034850-85
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24 VDC Power (Figure 7)
In a FireFinder-XLS System, the HZM receives its power from the 24 VDC power
output on TB3 of the PSC-12 or PSX-12. In an FS-250 System, the HZM receives its
power from the 24V power output on the control panel or auxiliary power supply. The
24 VDC power may be wired only as Class B. Since the HZM monitors the power at
its screw terminals, you can star or T-tap the power connection. Refer to Figure 7 for
the wiring diagram.
111
11
22 2
22
33 3
3
3
44 4
4
4
55 5
5
5
66 6
6
6
77 7
77
888
88
999
99
HZM HZM HZM
HZMHZM
+
-
CLASS B INSTALLATION
T-TAPPING ALLOWED
TO 24 VDC
SEE NOTE 5
Figure 7
HZM 24 VDC Wiring Diagram
Mounting
1. Mount the HZM in a standard two gang electrical box. The box must have a
depth of at least 3½ inches.
2. When the field wiring for the initiating devices, device loop, and 24 VDC is
connected, press the HZM into the box and fasten it with the four screws
provided.
3. Attach a dress bezel if necessary, making sure that the ALARM LED is
aligned with the hole in the bezel.
COMPATIBILITY The devices in Table 1 are listed for use with the HZM.
• Use up to fifteen detectors, any combination of those listed.
• Only one PB-1191 (consisting of a PBA-1191 detector and PBB-1191
base), and no additional devices, can be connected to an HZM.
• Detector operated accessories cannot be used with the HZM.
• The model numbers listed are the UL compatibility identifiers.
NOTES
1. Wire 18 AWG minimum, 12
AWG maximum.
3. No EOL device required.
4. Supervised, power limited to
NFPA 70 per NEC 760.
5. A power supply which is
resettable, power limited
and UL listed for fire
protective signaling use and
is rated between 18.8-28.2
VDC.
6. Positive and negative ground
fault detected at <60K ohms
for terminals 5-8 on HZM.

Siemens Industry, Inc.
Building Technologies Division
P/N 315-034850-86
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ELECTRICAL RATINGS

Siemens Industry, Inc.
Building Technologies Division
P/N 315-034850-87
Cyber security disclaimer
Siemens products and solutions provide security functions to ensure the secure operation of
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concept that is customized to individual security needs. Such a security concept may result in
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components, user awareness programs, defense in depth, etc.
For additional information on building technology security and our offerings, contact your Siemens
sales or project department. We strongly recommend customers to follow our security advisories,
which provide information on the latest security threats, patches and other mitigation measures.
http://www.siemens.com/cert/en/cert-security-advisories.htm

Siemens Industry, Inc.
Building Technologies Division
Florham Park, NJ
Siemens Canada, Ltd.
1577 North Service Road East
Oakville, Ontario
L6H 0H6 Canada
P/N 315-034850-8
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Document ID A6V10233195