Effective: July 2005
Detector Bases (2- and 4-Wire)
for Smoke and Electronic Heat Detectors
Installation Instructions
70.104
PURPOSE
This document provides instructions for mounting and wiring 2-Wire and 4-Wire Detector Bases that are used with the Smoke and Heat Detectors
listed in the table below. The table also indicates the Detector UL Compatibility Identifier Number in the CID column:
Model CID Description
CPD-7051 I51FE1 Ionization Smoke Detector - discontinued !!
CPD-7051D I51FE1 Ionization Smoke Detector - discontinued !!
CPD-7054 I51FE1 Ionization Advanced Smoke Detector (Open Area, Air Velocities 0-300 fpm) - discontinued !!
CPD-7054D I51FE1 Ionization Advanced Smoke Detector (Open Area, Air Velocities 0-500 fpm) - discontinued !!
PSD-7155 P55FE1 Photoelectric Smoke Detector
PSD-7155P P55FE1 Photoelectric Smoke Detector
PSD-7155D P55FE1 Photoelectric Smoke Detector
PSD-7156 P56FE1 Photoelectric Smoke Detector with 135°F Thermal Sensor
PSD-7157 P55FE1 Photoelectric Advanced Smoke Detector (Open Area, Air Velocities 0-300 fpm) - our standard !!
PSD-7157D P55FE1 Photoelectric Advanced Smoke Detector (Open Area, Air Velocities 0-4000 fpm)
THD-7052 P56FE1 Heat Detector (135°F Fixed Temperature & 15°F Rate-Of-Rise)
THD-7053 P56FE1 Heat Detector (135°F Fixed Temperature)
Models CPD-705X are dual chamber Ionization Smoke Detectors that sense visible and invisible products of combustion.
Models PSD-715X are optical Photoelectric Smoke Detectors that respond to a broad spectrum of both flaming and smoldering fire conditions.
Models THD-705X are thermistor-based electronic Heat Detectors with a 135°F (57°C) Fixed Temperature set point. The Model THD-7052 has a
Rate-Of-Rise of temperature detection feature rated at 15°F (8.3°C) per minute.
All detectors are designed for 2-Wire and 4-Wire installation using the appropriate Detector bases. The Smoke and Heat Detectors are UL Listed for
Open Area Protection applications per UL 268 and UL 521 respectively. Detectors may also be installed in systems intended for Releasing Device
Service through use of a compatible Fire Alarm Control Panel.
DETECTOR BASES
MODELS
All the smoke and heat detector models identified above can be mounted on any base listed in the following table. The table also indicates the Base
UL Compatibility Identifier Number in the CID column.
Part No. Model CID Description
70-501000-001 2-WIRE FE51A 2-W Base (Connects to circuit via screw terminals)
70-501000-002 2WRLT FE52A 2-W Base w/ Remote LED & Test capabilities. Connects to detection circuit via screw terminals.
Minimum Alarm Current 15 mA @ 24 VDC.
70-501000-005 2WRB FE55A 2-W base w/ 2WRM, Remote LED & Test capabilities. Connects to detection circuit via pigtail leads.
Minimum Alarm Current 19 mA @ 24 VDC.
70-501000-101 4WRB N/A 4-W base w/ 4WRM, Remote LED & Test capabilities. Connects to detection circuit via pigtail leads.
Minimum Alarm Current 35 mA @ 24 VDC.
70-500000-004 2WRM N/A SPDT Relay for 2WRB Bases. Contacts rated 1.0 A, 30 VDC / 0.5 A, 125 VAC.
70-500000-102 4WRM N/A SPDT Relay for 4WRB Bases. Contacts rated 1.0 A, 30 VDC / 0.5 A, 125 VAC.
70-501000-003 MA-001 MAFE1 Mechanical Adapter allows CPD-705X & PSD-715X Detectors to physically connect to Base P/Ns
70-201000-001, -002, -003, -005 & DH-22.
ACCESSORIES
Accessories available for the bases identified above are listed in the following table.
Part No. Model CID Description
29-116788-001 - N/A EOL Supervisory Relay 24 VDC
06-117883-001 - N/A Smoke Detector Test Magnet
70-200000-911 RA-911 N/A Remote Alarm Indicator
70-200000-914 RA-914 N/A Remote Alarm Indicator w/ Smoke Detector Test Switch
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