Honeywell Excel Adt Hrsi Users Manual 74 3346 Intelligent Heat Detector

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ADT-HRSI
Intelligent Heat Detector
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SPECIFICATION DATA

FEATURES
• 70ft (21.3 meter) spacing
• 9°C (15°F) per minute rate-of-rise and 57°C (135°F)
fixed temperature alarm threshold
• Intelligent detector with integral microprocessor
• Non-volatile memory
• Automatic device mapping
• Electronic addressing
• Identification of defective detectors
• Twin status LEDs
• Standard, relay, and fault isolator mounting bases
• Designed and manufactured to ISO 9001 standards

DESCRIPTION
Honeywell's Signature Series Model ADT-HRSI Intelligent
Heat Detectors gather analog information from their fixed
temperature and/or rate-of-rise heat sensing elements and
converts it into digital signals. The detector's on-board
microprocessor measures and analyzes these signals. It
compares the information to historical readings and time
patterns to make an alarm decision. Digital filters remove
signal patterns that are not typical of fires. Unwanted alarms
are nearly eliminated.
The microprocessor in each detector provides four additional
benefits; self-diagnostics and history log, automatic device
mapping, stand-alone operation and fast, stable
communication.

Self-diagnostics and History Log:
Each Signature Series detector constantly runs self-checks
to provide important maintenance information. The results
of the self-check are automatically updated and permanently
stored in the detector's non-volatile memory. This information
is accessible for review any time at the control panel, PC, or
by using the SIGA-PRO Signature Program/Service Tool.
The information stored in the detector's memory includes:
- Detector serial number, address, and type
- Date of manufacture, hours of operation, and last
maintenance date
- Current detector sensitivity values and the extent of
environmental compensation

- Original detector sensitivity values upon manufacturing
- Number of recorded alarms and troubles
- Time and date of last alarm
- Analog signal patterns just before the last alarm
- Up to 32 possible trouble codes which may be used to
diagnose faults.
In the unlikely event that an unwanted alarm does take place,
the history file can be called up to help isolate the problem
and prevent it from happening again.

Automatic Device Mapping:
The loop controller learns where each device's serial number
address is installed relative to other devices on the circuit.
This "mapping" feature provides supervision of each device's
installed location to prevent a detector from being reinstalled
(after cleaning etc.) in a different location from where it was
originally. The history log for the detector at its original
location remains relevant and intact.
The Signature Series Data Entry Program also uses the
mapping feature. With interactive menus and graphic
support, the wired circuits between each device can be
examined. Layout or "as-built" drawing information showing
wire branches (T-taps), device types and their address are
stored on disk for printing hard copy. This takes the "mystery"
out of the installation. The preparation of "as-built" drawings
is fast and efficient.

EN0C-0746E 0599R0-OB
74- 3346

ADT-HRSI INTELLIGENT HEAT DETECTOR

Device mapping allows the Signature loop controller to
discover:

Electronic Addressing:

- Unexpected additional device addresses
- Missing device addresses
- Changes to the wiring in the circuit.

The loop controller electronically addresses each detector,
saving valuable time during system commissioning. Setting
complicated switches or dials is not required. Each detector
has its own unique serial number stored in its "on-board
memory". The loop controller identifies each device on the
circuit and assigns a "soft" address to that device's serial
number. If desired, detectors can be addressed using the
SIGA-PRO Signature Program/ Service Tool.

Stand-alone Operation:
A decentralized alarm decision by the detector is guaranteed.
On-board intelligence permits the detector to operate in
stand-alone mode. If loop controller CPU communications fail
for more than 4 seconds, all devices on that circuit go into
stand-alone mode. The circuit acts like a conventional alarm
receiving circuit. Each detector on the circuit continues to
collect and analyze information from its surroundings. The
ADT-HRSI detectors alarm if the ambient temperature
increases 57°C (135°F) or if the temperature increases at a
rate exceeding 9°C (15°F) per minute. If the detector is
mounted to a relay base, the relay operates.

Installation:
Signature series detectors mount to North American 1-gang
boxes, 3-1/2 in or 4 in octagonal boxes and to 4 in square
electrical boxes 1-1/2 in (38 mm) deep. They also mount to
European BESA and 1-gang boxes with 60.3 mm fixing
centers.
Honeywell recommends that this detector be installed
according to local fire alarm codes.

Fast Stable Communication:

NOTE:
- This detector will not operate without electrical power. As
fires frequently cause power interruption, we suggest you
discuss further safeguards with your fire protection
specialist.
- This detector will NOT sense fires that start in areas where
heat cannot reach the detector. Heat from fires in walls,
roofs, or on the opposite side of closed doors may not
reach the detector to alarm it.
- The heat sensor in this device only provides a source of
information to supplement the information provided by the
ionization and photoelectric smoke sensors. The heat
sensor by itself does NOT provide life safety protection.
Under no circumstances should heat detectors be relied
upon as the sole means of fire protection.

On-board intelligence means less information needs to be
sent between the detector and the loop controller. Other than
regular supervisory polling response, the detector only needs
to communicate with the loop controller when it has
something new to report. This provides very fast control
panel response time and allows a lower baud rate (speed) to
be used for communication on the circuit.
The lower baud rate offers several advantages including:
- Less sensitivity to circuit wire characteristics
- Less sensitivity to noise glitches on the cable
- Less emitted noise from the analog wiring
- Twisted or shielded wiring is not required.

Installation Spacing:

Testing and Maintenance:

The ADT-HRSI detector is rated for installation at up to 70ft
(21.3m) spacing. These detectors may be installed in rooms
with an ambient temperature of up to 100°F (38°C).

Each detector automatically identifies when it is defective and
the user friendly maintenance program shows the current
state of each detector and other pertinent messages. Single
detectors may be turned off temporarily, from the control
panel. Availability of maintenance features is dependent on
the fire alarm system used.

Status LEDs:
Twin LEDs are visible from any direction. A flashing GREEN
LED shows normal system polling from the loop controller. A
flashing RED LED means the detector is in alarm state. Both
LEDs on steady shows alarm state - stand- alone mode.

Scheduled maintenance should be planned to meet local
codes.

Normal green LED activity is not distracting to building
occupants, but can be quickly spotted by a maintenance
technician.

Quality and Reliability:
Honeywell detectors are manufactured to strict international
ISO 9001 standards. All electronics utilize surface mount
technology (SMT) for smaller size and greater immunity to
RF noise. A conformal coating is used for humidity and
corrosion resistance. All critical contacts are gold plated.

74-3346

2

ADT-HRSI INTELLIGENT HEAT DETECTOR

Accessories:

Isolator Base ADT-IB, ADT-IBS:

All detector mounting bases have wiring terminals that are
accessible from the "room-side" after mounting the base to
the electrical box. The bases mount to North American 1gang boxes and to 3-1/2 in or 4 in octagon boxes, 1-1/2 in
(38 mm) deep. They also mount to European BESA and
1-gang boxes with 60.3 mm fixing centers.

This base includes a built-in line fault isolator. A detector
must be installed for it to operate. The integral isolator relay
is controlled by the detector or the loop controller. A
maximum of 96 isolator bases can be installed on one
circuit. The isolator base does not support the SIGA-LED
Remote LED.

Removing a detector from its base (except isolator base)
does not affect other devices operating on the same circuit.

The isolator operates as follows: a short on the line causes
all isolators to open within 23 msec. at 10 msec intervals,
beginning nearest the loop controller, the isolators close to
provide the next isolator down the line with power. When the
isolator next to the short closes, it reopens within 10 msec.
In Class A operation, the process repeats beginning on the
other side of the loop controller.

Standard Base SIGA-SB:
This is the basic mounting base for Honeywell Signature
Series detectors. The SIGA-LED Remote LED is supported
by the Standard Base.

Remote LED SIGA-LED:

Relay Base ADT-RB:

The remote LED connects to the SIGA-SB Standard Base
only. It features a North American size 1-gang plastic
faceplate with a white finish and red alarm LED.

This base includes a relay. Normally open or closed
operation is selected during installation. The dry contact is
rated for 1 amp (pilot duty) at 30 Vdc. The relay's position is
supervised to avoid accidentally jarring it out of position. The
relay base does not support the SIGA-LED Remote LED.
The relay is controlled by the detector and operates as
follows: at system power-up or reset, the relay is deenergized.

SIGA-TS Trim Skirt:
Supplied with 4 in bases, it can also be ordered separately to
use with the other bases to help hide surface
imperfections not covered by the smaller bases.

Application:

When a detector is installed in the base with the power on,
the relay energizes for 4 seconds, then de-energizes. when a
detector is removed from a base with the power on, the relay
is de-energized. When the detector enters the alarm state,
the relay is energized.

Table 1 below shows six standard test fires used to rate the
sensitivity of smoke and heat detectors. The table indicates
that no single sensing element is suited for all test fires.

Table 1. Test Fires.
Test Fire

Open Wood
Wood Pyrolysis

Type of Sensor
ADT-ISI
Ion

ADT-PSI
Photo

ADT-HRSI
Rate-of Rise/
Fixed Temp.

ADT-PHSI
Photo/ Heat
3D

ADT-IPHSI
Ion/ Photo/ Heat
4D

Optimum

Unsuitable

Optimum

Very Suitable

Optimum

Suitable

Optimum

Unsuitable

Optimum

Optimum

Smoldering Cotton

Very Suitable

Optimum

Unsuitable

Optimum

Optimum

Polyurethane Foam

Very Suitable

Very Suitable

Suitable

Very Suitable

Optimum

n-Heptane

Optimum

Very Suitable

Very Suitable

Optimum

Optimum

Liquid Fire without Smoke

Unsuitable

Unsuitable

Optimum

Very Suitable

Very Suitable

3

74-3346

ADT-HRSI INTELLIGENT HEAT DETECTOR

SPECIFICATIONS
Heat Sensor:
Combination fixed temperature and rate of rise, alarms at
57°C (135°F) ambient or temp. increases greater than
9°C (15°F) per min.

Compatible Mounting Bases:
SIGA-SB standard base
ADT-RB relay base
ADT-IB and ADT-IBS isolator base

Detector Spacing:
70ft (21.3m) center to center

LED Operation:
On-board green LED: Flashes when polled
On-board red LED: Flashes when in alarm
Both LEDs: On steady when in alarm (stand-alone)

Environmental Limits:
Temperature: 32° to 100°F (0° to 38°C)
Humidity: 0 to 93% rh, non-condensing

Compatible remote red LED:
Flashes when in alarm

Voltage:
15.2 to 19.95 Vdc (19 Vdc nominal)

Compatibility:
Signature loop controller

Operating Current:
Stand-by: 45µA at 19V
Alarm: 45µA at 19V
Emergency stand-alone alarm mode: 18mA
Pulse current: 100µA (100 msec)
During communication: 9 mA max.
Construction:
High impact engineering polymer
Finish:
White

Address Requirements:
1 device address
Accessories:
SIGA-SB:
ADT-RB:
ADT-IB:
ADT-IBS:
SIGA-LED:
SIGA-TS:

Detector mounting base
Detector mounting base with relay
Detector mounting base with fault isolator
Same as above, with loop continuity switch
Remote alarm LED
Trim skirt (supplied with 4in bases)

Home and Building Control

Home & Building Control

European Centre of Excellence

Honeywell Inc.
Honeywell Plaza
P.O. Box 524
Minneapolis MN 55408-0524

Honeywell GmbH
Honeywellstrasse
63477 Maintal 1
Germany

Fire Solutions
Lovelace Road, Southern Industrial Area
Bracknell, Berkshire, RG12 8WD
United Kingdom

74-3346 J.S. 12-99
EN0C-0746E 0599R0-OB

Printed in U.S.A.



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