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INSTALLATION AND MAINTENANCE INSTRUCTIONS
6424 Projected Beam Type
Smoke Detector
Specifications
General
Range:
Response Time:
Trouble Condition:
Test/Reset Features:
Indicators:
Relays:
Environmental
Temperature:
Humidity:
Mechanical
Weight:
Mounting:
Wiring:
Adjustment Angle:
Electrical (Receiver)
Voltage:
Maximum Ripple Voltage:
Current (24 VDC):
Relay Contacts:
Reset Time:
Start-up Time (after 5 min. reset): 1 Minute Maximum
Power Loss:
Electrical (Transmitter)
Voltage:
Maximum Ripple Voltage:
Avg. Current (24 VDC):
D400-18-00
30 to 330 Feet
30% ± 5% Total Obscuration, or
55% ± 5% Total Obscuration
Alarm:
15 Seconds Max.
Trouble:
15 Seconds Max.
95% or More Obscuration
Improper Initial Alignment
Self-compensation limit reached (service needed)
Obscuration Filters (ALARM/NO ALARM)
Local Alarm Reset Switch
Remote Test and Reset Switch Capability
(compatible with RTS451 Test Station with Magnet)
Alarm:
Remote Output, Local LED (red)
Trouble:
Remote Output, Local LED (yellow)
Normal Operation:
Local LED (flashing green)
Alignment Aid:
LED Bar Graph (4 red LEDs)
Alarm; Trouble
–30° C to 55° C (–22° F to 131° F)
10% to 93% RH Noncondensing
Receiver:
1.5 lbs (663 g)
Transmitter: 1.3 lbs (598 g)
Ceiling or Wall, Separate Mounting Brackets Provided
Plug with Attached Cable
± 30° Horizontal/60° Vertical
Ceiling:
± 90° Horizontal/60° Vertical
Wall:
20 to 32 VDC
6.0 volts (Peak-to-peak)
Avg. Standby:
10mA Max.
Avg. Alarm:
28.4mA Max.
Avg.Trouble:
27.1mA Max.
Start-up Surge:
19mA Max.
.5A at 30 VAC/DC
.6 Seconds Max.
Retain Memory for 5 Minute Minimum
18.8 to 32 VDC
5.6 volts (Peak-to-Peak)
10mA Max.
1
A Division of Pittway
3825 Ohio Avenue, St. Charles, Illinois 60174
1-800-SENSOR2, FAX: 630-377-6495
I56-494-10R
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Summary of Contents for System Sensor 6424
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Page 1: Smoke Detector
INSTALLATION AND MAINTENANCE INSTRUCTIONS 6424 Projected Beam Type A Division of Pittway 3825 Ohio Avenue, St. Charles, Illinois 60174 Smoke Detector 1-800-SENSOR2, FAX: 630-377-6495 Specifications General Range: 30 to 330 Feet 30% ± 5% Total Obscuration, or Sensitivity: 55% ± 5% Total Obscuration... - Page 2 Receiver Wiring Cable Transmitter Wiring Cable General Description Wall Mounting Bracket System Sensor Model 6424 is a long range projected beam Ceiling Mounting Bracket (inside part) smoke detector designed to provide open area protection. It Ceiling Mounting Bracket (outside part)
- Page 3 In a room with a smooth ceiling, detectors should be Figure 3. Sloped ceiling (shed type): spaced between 30 and 60 feet. One-half that spacing be- 3 F T . M A X . tween the beam and the sidewall may be used as a guide. See Figure 1.
- Page 4 Figure 5. Good and poor mounting surfaces: Poor Mounting Surface Sheet Metal Concrete or Brick Poor Mounting Good Mounting Surface Surface Good Mounting Surface A78-2652-00 Mounting Brackets Wiring Installation Guidelines Install a ceiling or wall bracket for both the receiver and Always install all wiring in compliance with the National transmitter so that when mounted, the receiver and the Electrical Code, and/or the applicable local codes, and any...
- Page 5 wires. Figure 8 shows an alternative wiring configuration in should be permanently wired to the receiver (Figure 7) which the transmitter receives its power from a remote whenever possible to allow the alignment LEDs on the power source. Temporary wiring can be installed for the transmitter to be used during the alignment procedure.
- Page 6 NOTE: The test coil which is shipped with the RTS451 and 2. Mount brackets and connect cables properly as detailed RTS451KEY is not used on the 6424 Beam Smoke above. (In any applications where the BMB Beam Detector. Mounting Bracket kit is used, the kit should be installed before the detector is mounted.
- Page 7 Figure 12. Wall mounting: HORIZONTAL ADJUSTMENT SCREW (#10-24 x 1-3/8 in.) METAL WASHER PLASTIC WASHER MOUNTING HOLE WALL MOUNTING MOUNTING HUB MOUNTING HUB BRACKET ALIGNMENT “U” BRACKET LEDs VERTICAL ADJUSTMENT SCREWS (2) CABLE EGRESS HOLE PLUG. USED TO STATUS PLUG UNUSED HOLE. LEDs (RECEIVER ONLY) ALIGNMENT ADJUST...
- Page 8 Figure 14. Rear view receiver: ACCESS DOOR SENSITIVITY SELECT SWITCH 16 CONDUCTOR CABLE ALIGNMENT MODE SWITCH CONNECTOR A78-2032-01 RESET SWITCH Figure 15. Rear view transmitter: ACCESS DOOR ALIGNMENT MODE SWITCH 6 CONDUCTOR CABLE RANGE CONNECTOR SELECT SWITCH A78-2031-01 D400-18-00 I56-494-10R...
- Page 9 6) Using a small standard screwdriver, make sure the alignment adjust pot on the receiver (see Figure 17) is The alignment of the 6424 is divided into three steps: align- turned fully counterclockwise, looking at it from the ment setup, alignment of the transmitter, and alignment of bottom (maximum gain).
- Page 10 7) Turn on power to the system. 4) Slide the alignment switch on the transmitter to the NORMAL MODE (N) position (see figure 15) and dis- 8) Slide the alignment switch on the receiver to A (see connect any temporary wiring. Carefully close the Figure 14).
- Page 11 Detectors must be tested after installation and following 1. Carefully clean the lenses of both the receiver and the periodic maintenance. The sensitivity of the 6424 may be transmitter. A damp soft cloth with a mild soap may be tested as follows: used.
- Page 12 Please refer to insert for the Limitations of Fire Alarm Systems Three-Year Limited Warranty System Sensor warrants its enclosed smoke detector to be free from de- ment, RA #__________, 3825 Ohio Avenue, St. Charles, IL 60174. Please fects in materials and workmanship under normal use and service for a include a note describing the malfunction and suspected cause of failure.