Metasys 1400 User manual

Fire Initiating Devices and Notification Appliances Technical Manual 408
Conventional Products Section
Technical Bulletin
Issue Date 1095
© 1995 Johnson Controls, Inc. 1
Code No. LIT-408135
Introduction Page 3
●
General Description 3
Installation Procedures 7
●
General Information 7
●
Mounting 7
●
Spacing 8
●
Wiring Installation Guidelines 8
●
Tamper-Proof Feature 9
●
Installation 10
Testing and Maintenance Procedures 11
●
Testing 11
●
Maintenance 13
●
Limitations 15
1400, 1412, and 1424 Direct Wire
Ionization Smoke Detectors

2 Conventional Products—1400, 1412, and 1424 Direct Wire Ionization Smoke Detectors

Conventional Products—1400, 1412, and 1424 Direct Wire Ionization Smoke Detectors 3
Introduction
This document contains important information about installing and
operating direct wire smoke detectors. These conventional detectors are
manufactured by System Sensor for use with Johnson Controls systems. If
you install this detector for someone else to use, leave a copy of this
document with the user.
These instructions provide information regarding mounting, spacing,
wiring, installation, testing, and maintenance. Follow only those
instructions that apply to the model you are installing.
Before you install any direct wire detectors, read and be familiar with:
●System Sensor Guide for Proper Use of System Smoke Detectors
Technical Bulletin in the Fire Initiating Devices and Notification
Appliances Technical Manual (FAN 408), which provides detailed
information on detector spacing, placement, zoning, wiring, and
special applications
●or, for non-United States installations, applicable codes and standards
specific to country and locality of installation
!
CAUTION: Equipment hazard. Do not use in potentially
explosive atmospheres. Do not leave unused
wires exposed.
The 1400 dual-chamber ionization smoke detectors utilize state-of-the-art,
unipolar sensing chambers. These detectors are designed to provide open
area protection, compatible with UL Listed 268 latching type system
detectors, and are to be used with 2-wire control panels only. The
detector’s operation and sensitivity can be tested in place. When latched
in alarm, the detectors must be reset by a momentary power interruption.
Each detector includes a Light Emitting Diode (LED) that provides a local
visual indication of the detector’s status. The LED blinks every ten
seconds as an indication that power is applied to the detector and lights
continuously in alarm.
The detector also has provision for the connection of an optional model
RA400Z remote annunciator. The RA400Z provides a visual indication of
an alarm in the connected detector, and mounts to a single gang box.
General
Description
1400 Detector

4 Conventional Products—1400, 1412, and 1424 Direct Wire Ionization Smoke Detectors
Table 1: 1400 Specifications Summary
Diameter 5.5 in. (140 mm)
Height 3.12 in. (80 mm)
Weight 0.7 lb (310 gm)
Operating Temperature 32 F to 120oF (0 to +49oC)
Latching Alarm Reset by momentary power interruption
Operating Humidity 10% to 93% RH, Non-condensing
Electrical Ratings
System Voltage 12/24 VDC
Maximum Ripple Voltage 4 volts peak to peak
Startup Capacitance 0.02 uF Maximum
Min/Max Operating Voltage Model 1400 (8.5 to 35 VDC)
Model 1412 (11.3 to 17.3 VDC)
Model 1424 (20-29 VDC)
Standby Current 8.5 VDC Minimum
35 VDC Minimum
100 uA Maximum
Alarm Ratings 4.2 VDC Minimum at 10 mA
6.6 VDC Minimum at 100 mA
Alarm current must be limited to 100 mA maximum by the control panel. If used, the
RA400Z Remote Annunciator operates within the specified detector alarm currents.
Reset Voltage 2.5 VDC Minimum
Reset Time 0.3 seconds Maximum
Startup Time 35 seconds Maximum
Maximum Air Velocity 1,200 ft/min
The 1412 and 1424 dual-chamber ionization smoke detectors utilize
state-of-the-art, unipolar sensing chambers. These detectors are designed
to provide open area protection, and to be used with UL Listed 4-wire
control panels. The 1412, for 12 volt panels, operates at 12 VDC, and the
1424, for 24 volt panels, operates at 24 VDC. The detectors’ operation
and sensitivity can be tested in place. These detectors are listed to UL 268
and are latching type system detectors.
Each detector includes an LED that provides a local visual indication of
the detector’s status. The LED blinks every ten seconds as an indication
that power is applied to the detector and lights continuously in alarm.
These detectors also have the latching alarm feature. The alarm can be
reset only by a momentary power interruption.
Each detector contains one Form-A (SPST-NO) contact for connection to
the alarm-initiating circuit, and one Form-C (SPDT-NO/NC) set of
auxiliary contacts. Both sets of contacts are activated when the detector is
in alarm. Supervision of detector power is accomplished by installing a
power supervisory End-of-Line (EOL) relay module (A77-716 series) at
the end of the detector power circuit.
1412 and 1424
Detectors

Conventional Products—1400, 1412, and 1424 Direct Wire Ionization Smoke Detectors 5
When power is applied to and through the detectors, the EOL power
supervisory module is energized. The module relay contacts close and
provide a closed circuit in series with the control panel’s Initiating Device
Circuit (IDC), also known as the zone circuit. A power failure or a break
in the detector power circuit de-energizes the EOL module. The relay
contacts open and trigger a trouble signal at the control panel.
Table 2: 1412 and 1424 Specification Summary
Specifications
Diameter 5.5 in. (14 cm)
Height 3.12 in. (8.0 cm)
Weight 0.7 lb (310 gm)
Operating Temperature 0 to +49°C (32 to 120°F)
Operating Humidity 10% to 93% Relative Humidity, Non-condensing
Locking Alarm Reset by momentary power interruption
Relay Contact Ratings
Resistive or Inductive (60% power factor) load
Form-A 2.0A @ 30 VAC/DC
Form-C* 0.6A @ 110 VDC, 2.0A @ 30 VDC
1.0A @ 125 VAC, 2.0A @ 30 VAC
*Contact rating for
Canadian installations 2.0A @ 30 VAC/DC
Electrical Ratings 1412 1424 Unit of Measure
System Voltage 12 24 DC (4V Maximum
Ripple)
Supply Voltages 11.3 20 VDC Minimum
17.3 29 VDC Maximum
Reset Voltages 0.73 .8 VDC Minimum
Standby Current 100 100
µ
A Maximum
Alarm Currents 35.2 21.3 mA Minimum
77.0 40.6 mA Maximum
The alarm and auxiliary relay operate within the specified voltage ratings.
Reset Time 0.3 0.3 Seconds
Startup Time 30 30 Seconds

6 Conventional Products—1400, 1412, and 1424 Direct Wire Ionization Smoke Detectors

Conventional Products—1400, 1412, and 1424 Direct Wire Ionization Smoke Detectors 7
Installation Procedures
This section contains installation information for the 1400, 1412, and
1424 direct wire detectors. Instructions are given for mounting the
detector, and basic wiring information is provided.
Each 1400, 1412, and 1424 detector is supplied with a mounting bracket
kit that permits the detector to be mounted in two different ways:
●directly to a 3-1/2 inch or 4 inch octagonal, 1-1/2 inch deep electrical
box
●directly to a 4 inch square electrical box by using a plaster ring with
the supplied mounting bracket kit
flmount
Figure 1: Flush Mounting of Detector on 4 Inch Octagonal Box
Tamper
Resistant Tab
mountbrk
Figure 2: Detector Mounting Bracket
To make detector tamper-proof, break off the tab extension at the scribed
line (Figure 2). For more information, refer to the Tamper-Proof Feature
section in this technical bulletin.
General
Information
Mounting

8 Conventional Products—1400, 1412, and 1424 Direct Wire Ionization Smoke Detectors
The National Fire Protection Association (NFPA) 72-National Fire Alarm
Code defines the spacing requirements for smoke detectors. Typically,
this is 30 foot centers for mounting (maximum of 21 foot radius of each
detector) when the detectors are installed on a smooth ceiling no higher
than a foot. Room configuration and operating environment may require a
reduction in the standard maximum 900 square foot coverage for
each detector.
All wiring must be installed in compliance with the National Electrical
Code and all applicable local codes and any special requirements of the
authority having jurisdiction, using the proper wire size and wire type
recommended by the control panel documentation. The conductors used
to connect smoke detectors to control panels and accessory devices should
be color-coded to reduce the likelihood of wiring errors. Incorrect
connections can prevent a system from responding properly in the event of
a fire.
For Initiating Device Circuit (IDC) wiring (the wiring between
interconnected detectors), it is recommended that the wire be no smaller
than 18 American Wire Gauge (AWG) (1.0 square mm). However, the
screws and clamping plate can accommodate wire sizes up to 12 AWG
(3.3 square mm).
Smoke detectors and alarm system control panels have specifications for
allowable IDC wire type and maximum resistance. Consult the control
panel manufacturer’s specifications for the total IDC resistance allowed
for the control panel being used before wiring the detector IDCs.
Begin electrical connections by stripping about 3/8 inch insulation from
the end of the wire (use strip gauge molded in detector base). Then, slide
the bare end of the wire under the clamping plate and tighten the clamping
plate screw. A wiring diagram for a typical 2-wire detector system is
shown in Figure 3, and a 4-wire detector system is shown in Figure 4.
Contacts are shown in standby mode and will transfer in alarm condition.
Note: System Supervision: For Terminals 1, 2, 7, and 8, do not use
looped wire under terminals. Break wire run to provide system
supervision of connections.
The detectors are marked with a compatibility identifier located as the last
digit of a five digit code stamped on the back of the product. Connect
detectors only to compatible control units as indicated in the Device
Compatibility Technical Bulletin in the Fire Management Accessories
Manual (FAN 445).
Spacing
Wiring
Installation
Guidelines

Conventional Products—1400, 1412, and 1424 Direct Wire Ionization Smoke Detectors 9
Figure 3: Wiring Diagram for the 1400 Detector Used with the 2-Wire Panel
Figure 4: Wiring Diagram for Models 1412 and 1424 Detectors Used with
Class A or Class B 4-Wire Control Panels
This detector includes a tamper-proof feature that prevents removal of the
detector without the use of a tool.
To make the detector tamper-proof:
1. Break off the smaller tab at the scribed line on the tamper-proof tab on
the detector mounting bracket (Figure 2).
2. Install the detector.
To remove the detector from the bracket once it has been made
tamper-proof:
1. Use a small screwdriver to depress the tamper-proof tab located in the
slot on the mounting bracket (Figure 5).
2. Turn the detector counterclockwise for removal.
Remote
Annunciator
smkwire
2
1
3
IDC
UL Listed
Control
Panel
Remote
Annunciator
2
1
3
Class A Optional Wirin
g
Note: If remote annunciator is not used, polarit
y
to detector ma
y
be reversed.
EOL
Resistor
3
2
1
4
5
6
78
Common
N/O
N/C
(Optional)
Releasin
g
Devices
321
4
5
6
78
Common
N/O
N/C
(Optional)
Releasin
g
Devices
smkwire2
Class A Optional Wirin
g
EOL Power
Supervision
Rela
y
Module...
Su
g
g
ested
EOL
Resistor
Power to
Detectors
UL Listed
Control
Panel
IDC
21
4
5
6
7
8
Common
N/O
N/C
Alarm
Contacts
Form-A
N/O
Auxiliar
y
Contacts
Form-C
Power
Tamper-Proof
Feature

10 Conventional Products—1400, 1412, and 1424 Direct Wire Ionization Smoke Detectors
Tamper-Proof
Slot
dirwirtm
Mountin
g
Bracket
Mountin
g
Screw
Mountin
g
.....
Screw.....
Figure 5: Tamper-Proof Slot
!
WARNING: Shock hazard. Disconnect the power to the alarm
system control unit before installing detectors.
1. Mount the detector mounting bracket to the electrical backbox.
2. Enable the tamper-proof feature, if used. For instructions see the
Tamper-Proof Feature section of this technical bulletin.
3. Wire the detector following the Wiring Installation Guidelines.
4. Line up arrows on the detector with the arrows on the mounting
bracket.
5. Rotate the detector clockwise until it clicks into place.
6. After all detectors have been installed, apply power to the control unit.
7. Test the detector as described in the Testing section of this technical
bulletin.
8. Reset the detector(s) at the system control panel.
9. Notify the proper authorities that the system is in operation.
10. Remove the dust covers before placing system in service.
Dust covers can be used to help limit dust entry to the detector, but they
are not a substitute for removing the detector during building construction.
If detectors are mounted in a construction area, with or without the dust
cover in place, each detector should be thoroughly cleaned, inspected, and
tested after construction is complete. Remove any dust covers before
placing system in service.
Installation
Limiting
Exposure to Dust

Conventional Products—1400, 1412, and 1424 Direct Wire Ionization Smoke Detectors 11
Testing and Maintenance
Procedures
Before testing, notify the proper authorities that the smoke detection
system will be temporarily out of service while undergoing testing and
maintenance. Disable the zone, IDC, or system undergoing maintenance
to prevent unwanted alarms.
After a detector is set into alarm by one of the following test methods and
the alarm activating device is removed from the detector, the system
should be reset at the control panel before testing any additional detectors.
After testing is complete and the system is returned to its normal
configuration, notify the proper authorities that the system is again
in service.
All detectors must be tested after installation and periodically thereafter.
Testing methods must satisfy the authority having jurisdiction. Detectors
offer maximum performance when they are tested and maintained in
compliance with National Fire Protection Association (NFPA)
72-National Fire Alarm Code.
Before testing the detector, check to ensure that the LEDs are blinking.
If they are not, the detector has lost power (check the wiring) or it is
defective (replace or return for repair).
1. Locate test switch on the detector housing (Figure 6).
2. Push and hold the recessed test switch with a 0.1 inch maximum
diameter tool.
3. For the 1400, the LED on the detector should light within
five seconds and an alarm should be reported at the control panel.
For the 1412 and 1424, the LED on the detector should light within
30 seconds and an alarm should be reported at the control panel.
4. Reset the detector at the system control panel.
Testing
Recessed Test
Switch

12 Conventional Products—1400, 1412, and 1424 Direct Wire Ionization Smoke Detectors
testswch..
Tamper
Slot
Recessed
Test Switch
LED Test Module
Socket
Push recessed test switch
with a 0.1 in. max. diameter tool.
Figure 6: Bottom and Side View Showing Position of Test Switch
The MOD400 or MOD400R is used with an analog or digital voltmeter to
check the detector sensitivity as described in the test module manual. The
manual is included with the MOD400R.
1. Set the generator to represent 4%/ft to 5%/ft obscuration as described
in the Gemini 501 manual.
2. Use the bowl-shaped applicator to apply aerosol until unit alarms.
3. Clean and retest detectors that fail these tests as described in the
Maintenance section of this technical bulletin.
4. Replace or return the detectors for repair if they still fail these tests.
The Gemini 501 Aerosol Generator is UL Listed, and can be ordered from:
Gemini Scientific Corporation
1122 Aster Avenue
Sunnyvale, CA 94086
Contact Gemini at (408) 554-0310 or fax (408) 554-7143.
Test Module
(MOD400R)
Aerosol
Generator
(Gemini 501)

Conventional Products—1400, 1412, and 1424 Direct Wire Ionization Smoke Detectors 13
Detectors should be cleaned and tested after exposure to smoke or fire.
Before starting, notify the proper authorities that the smoke detector
system is undergoing maintenance and will be temporarily out of service.
Disable the zone or system undergoing maintenance to prevent unwanted
alarms.
After maintenance and testing is complete and the system is returned to its
normal configuration, notify the proper authorities that the system is again
in service.
1. Remove the detector screen and cover assembly by depressing the
three lock prongs on the top of the cover, rotating the cover
clockwise, and pulling the screen cover assembly away from the
detector (Figure 7).
2. Remove the screen from the cover.
3. Use a vacuum cleaner to remove dust from the screen, the cover, and
the sensing chamber.
4. After cleaning, snap the screen into the cover, then place the cover
and screen assembly on the detector turning clockwise until it is
locked in place.
5. Test the detector as described in the Testing section of this technical
bulletin.
6. Notify the proper authorities that the system is back online.
Maintenance
Cleaning the
Detector

14 Conventional Products—1400, 1412, and 1424 Direct Wire Ionization Smoke Detectors
cov&scrx
Removable Cover
for Cleanin
g
Removable Screen
(
P/N RS14
)
Housin
g
Pron
g
s.....
Head Cover Lock Pron
g
s
Figure 7: Removal of Cover and Screen for Cleaning

Conventional Products—1400, 1412, and 1424 Direct Wire Ionization Smoke Detectors 15
This smoke detector is designed to activate and initiate emergency action,
but will do so only when used in conjunction with other equipment. This
detector is designed for installation in accordance with NFPA
Standards 71 and 72, or equivalent codes and standards specific to
country of installation.
●Smoke detectors will not work without power. AC or DC powered
smoke detectors will not work if the power supply is cut off for any
reason.
●Smoke detectors will not sense fires that start where smoke does not
reach the detectors. Smoke from fires in chimneys, in walls, on roofs,
or on the other side of closed doors may not reach the smoke detector
and alarm it.
●A detector may not detect a fire developing on another level of a
building. For this reason, locate detectors on every level of a
building.
●Smoke detectors have sensing limitations. Ionization detectors offer a
broad range of fire-sensing capability, but they are better at detecting
fast, flaming fires than slow smoldering fires. Photoelectronic
detectors sense smoldering fires better than flaming fires. Because
fires develop in different ways and are often unpredictable in their
growth, neither type of detector is always best, and a given detector
may not always provide warning of a fire. In general, detectors
cannot be expected to provide warnings for fires resulting from
inadequate fire protection practices, violent explosions, escaping gas,
improper storage of flammable liquids like cleaning solvents, other
safety hazards, or arson.
This detector is UL Listed to operate in a maximum air velocity of
1200 ft./min. Air velocity, along with other factors, may affect
detector sensitivity. See the 1993 NFPA 72-National Fire Alarm
Code, Appendix B for information.
●Test your smoke detector system per NFPA 72-National Fire Alarm
Code, or equivalent codes and standards specific to country of
installation, at least semiannually. Clean and take care of your smoke
detectors regularly. Taking care of the fire detection system you have
installed will measurably reduce your product liability risks.
Limitations

16 Conventional Products—1400, 1412, and 1424 Direct Wire Ionization Smoke Detectors
Notes
Controls Group FAN 408
507 E. Michigan Street Fire Initiating Devices and Notification Appliances Technical Manual
P.O. Box 423 Printed in U.S.A.
Milwaukee, WI 53201
This manual suits for next models
2
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