Installation Sheet No. 1015ZE R2.0
ZP720-3 Heat Analogue Sensor
2436-01
Brief description
Based on advanced thermistor technology, the heat
analogue sensor provides a reliable response to fires in
areas where environmental conditions prohibit the use
of smoke detection.
The heat analogue sensor is a temperature dependent
analogue sensor. It is intended for applications where
fluctuations of ambient temperature may be expected
for example, over machinery in laundries, or factory
locations where industrial processes may cause sharp
temperature increases.
Specifications
General information
Designation Heat analogue sensor
Specification AS1603 Part 1
Model number ZP720-3
Part number 1015
Sensitivity Level 1 58°C fixed temperature
Level 2 58°C rate compensated
Level 3 75°C rate of rise
Level 4 75°C fixed temperature
Mounting Plugs into surface or semi-
recessed base
Area coverage 50m², subject to local codes
Wiring 2 core loop or spur
Monitoring Open and short circuit fault.
Sensor removal and device type.
Indication Alarm LED (red)
Addressing method 7-way Dipswitches in head
Environmental
Application Indoor use
Temperature range -10 to +75ºC
Operating temperature 58 to +75ºC (4 software settings)
Quiescent temperature -10 to +65ºC (75ºC setting)
Humidity range 20% to 95% RH (non condensing)
Environmental rating IP32
Primary supply
Operating voltage Address line pulsed 20 V (19.5 to
20.5 V). Max line less 4 V
Current (quiescent) 600 µA
Current (alarm) 700 µA
Mechanical details
Material Moulded ABS
Colour White
Dimensions (D x H) 106 x 52 mm (excluding base)
Height (from ceiling
with base) ZP7-SB1 surface base – 60 mm
ZP7-RB1 recessed based – 38 mm
Weight 85 g (excluding base)
Manufacturer traceability
A barcode label is affixed to each product (see example
below). This label reflects, amongst other things, the date of
manufacture of the product in the form YYDDD.
These numbers are interpreted as follows:
YY = year of manufacture
DDD = day of manufacture
For example the numbers 07134 would indicate that the
product was manufactured on the 134
th
day of the year 2007,
that is 14
th
May 2007.
Page 1 501-1015ZE-1
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Installation Sheet No. 1015ZE R2.0
ZP720-3 Heat Analogue Sensor
Page 2 501-1015ZE-1
www.gesecurity.eu • Copyright © 2007 GE Security B.V. All rights reserved 12 November 2007
A switch only represents its coded value (i.e. 1st switch
= 1, 2nd switch = 2, 4th switch = 8 etc) position. In the
OFF position it represents a zero.
Installation instructions
Note: No wiring is required during sensor installation. Refer
to base datasheet for line wiring installation. All
installation should be in accordance with the
requirements of the authority having jurisdiction.
To arrive at the address number of a device, add the
representative numbers of all switches which are in the
ON position: for example 2+4+32=38.
Warnings: This device is intended to be installed in
conjunction with, and in applications where,
smoke sensors would be likely to give
unwanted alarms and should only be used as
part of a broad-based life safety system. For
further information consult your local fire
protection specialist.
Refer to Figure 1. The sensor attaches to compatible
bases with a plug-and-twist action as follows:
1. Align the sensor with the base and turn it slowly
until the location lugs and grooves mate, allowing
the sensor to slide completely into the base.
2. Rotate the sensor clockwise until it locks. To
remove the unit from the base, perform these
steps in reverse order.
Maintenance should be planned in
accordance with the requirements of the
authority having jurisdiction.
Note: To prevent unauthorized removal, a plastic breakout
tab is provided in the sensor housing. Once the
breakout tab is removed the sensor can only be
released by use of a special tool.
3. Prior to initial testing remove the yellow plastic
dust cover from the sensor and notify the proper
authorities that the fire alarm system is
undergoing maintenance and will be temporarily
out of service.
4. An indent is provided on the sensor exterior for
application of Zone number labelling to allow easy
zone identification.
Figure 1: Installing the sensor
Sensor Housing
Component
Cover Plate
Component
Cover Plate
Housing Assy
Screw
Housing Assy
Screw
Housing Assy
Screw
Housing Assy
Screw
2524-01
Top V iew
Bottom View
Thermistor
Indent Device Address
Labeling
Address switch
Setting the address
The heat analogue sensor contains a 7-way dipswitch.
The switch is used to set the device address in binary
code. The switch may be set to represent any
addresses from 1 to 127.
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