Sl 2000 N Wiring Diagram

Sl 2000 N Wiring Diagram – Watch this video to see how to connect the SL-2000 smoke detector to a fire alarm control panel:

Some newer furnaces will continue to run the fan after the heat dial is turned on, sometimes called fan off, which can sometimes be programmed with DIP switches on the furnace board. When it cannot be disabled, use the configurations below.

Sl 2000 N Wiring Diagram

Sl 2000 N Wiring Diagram

Reminder LED indicators on MS series remotes are polarity sensitive, always make sure the black wire is connected to terminal 19.

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Note that the LED indicators on MS series remotes are polarity sensitive, always make sure the black wire is connected to terminal 19.

Check the clear cover, make sure it is installed and not open and all screws are tight, if the cover was installed incorrectly before, you can check if SW1 is damaged.

Smoke smoke detectors can be installed in any position, both vertically and horizontally, as long as the sampling tube openings face the air flow.

NFPA72 recommends that each sampling pipe be at least 80% of the duct width, meaning that if the duct is 12 inches wide, the sampling pipe must be at least 9.6 inches.

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Pipes can be cut to size, but metal pipes have different hole spacing depending on size.

A 10-inch pipe has more closely spaced holes than a 5-foot pipe. Therefore, you cannot cut a longer tube shorter than the recommended duct size, or the correct amount of air will not be drawn from the duct.

The recommended procedure is to remove the sensor head and run the SDI Trutest 801 on an external 24V power supply and sensor base to test sensitivity.

Sl 2000 N Wiring Diagram

Check the sensor head and housing for excessive dust. Detectors can be blown with compressed air or replacements can be ordered, 55000-328 for -P model or 55000-225 for -N model.

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This can be verified by checking that there are wires on terminals 12 and 20, and that the other detector is not dangerous.

If the detector is connected to a remote control or accessories, disconnect the wires so that only the power is connected, if it stops alarming, when reconnecting, confirm the correct wiring for the remote control model and the key will not work.

In situations of high humidity or fluctuating temperatures, such as in sun belt states, condensation can form on and inside the detectors and cause false alarms, we recommend moving the detector downstream of the duct or inside . big.

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Alarm contact terminals 16 and 6 (Normally closed and common) can be used to disconnect the red 24V power wire of the thermostat.

16 and 6 effectively act as a switch, with 16 connected to 6 under normal conditions and 16 disconnected from 6 in an alarm condition.

Some home furnaces have a fan overrun mode where the fan will run after the thermostat signals, sometimes these furnaces have a DIL switch to program this feature or you can power the furnace with the thermostat by inserting on neutral power. through terminals 16 and 6 to the oven.

Sl 2000 N Wiring Diagram

Interference with the same power used to power the detector in the alarm state. Use a separate 24VAC transformer, power supply or mains.

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If the wiring is correct, check the wiring from the detector to the remote for a short or open. With the help of a multimeter, if the wires are disconnected from the detector and the remote control and twisted in pairs, it is possible to check their continuity.

Air duct and control duct smoke detectors are not listed by UL or are not compatible with third party system detectors or remote controls.

Terminals 12 and 20 of the SL2000 must be connected between all the detectors must be connected together, a common power supply must be used, so all the detectors connected together must be powered from a common 24V AC transformer or supply circuit power.

In a typical Class B fire alarm installation, connect one wire to terminal 13 and the other to terminal 14 from the fire control panel. Make a jumper between terminal 13 and terminal 5 and install an end-of-line resistor to terminals 14 and 15. .

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When using multi-channel smoke detectors in a single fire alarm circuit, all alarm contacts must be wired in parallel with the control panel and all fault contacts must be wired in parallel with the end-of-line resistor on the last detector. The wiring diagram is on page 4 of the installation manual.

The normally open and common contacts of the fire alarm interface relay can be connected to the SL2000 1 and 20 channel smoke detector terminals.

Correct air flow can be confirmed by measuring the magnetic differential pressure between the sampling tube and the detector outlet tube, a reading between 0.01 and 1.2 inches of water indicates adequate air flow.

Sl 2000 N Wiring Diagram

The sensor head can be checked for proper operation by spraying TG-2000 test gas into the sensor test port, and a signal should be expected. Continued testing also includes applying the test magnet on top of the smoke detector housing between the 2 marked lines shown on the cover, again hopefully confirming proper alarm operation.

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The detector control board and relays can be checked for proper operation by pressing the black test / reset button in the hole in the clear cover, the alarm condition confirms proper operation (red LED on the board). If you’re in the fire alarm industry, you’ve probably come across common 4-wire smoke detectors. Now, with the new technology, wiring, wiring and programming are much easier for ducted versions of these duct detectors. Not to mention savings. In this article I would like to discuss the correct method of connecting multiple 4-wire smoke detectors to a single IDC (initiator circuit breaker). This can be a direct connection from a normal loop card or even an address monitor module.

For comparison, we will discuss the connections of the System Sensor D4120 duct detector, as this is the most common version used by mechanical contractors. Also note that the DH100ACDCLP is replaced by the D4120 system sensor. This is because the system sensor was smart enough to copy the same terminal numbers for the connections on the board when making the new D4120. If you are experienced in connecting the DH100ACDCLP, you will know that the alarm connections are on terminals #4 and #5. Yes, although the D4120 terminals are not in the same place, they have the same numbers.

With a typical smoke detector connection, we know that an end of line (EOL) resistor must be connected in series across control pins 3 and 14. This method is necessary because this is the only way the detector and the IDC can work correct. controlled. If the pipe detector is powered off, the cover is open, the sensor is dirty, or there is a problem with the internal wiring between the board and the sensor, the control contacts will open, causing an open circuit and a problem with the FACP.

Now, if we have multiple smoke detectors in one IDC loop, we need to make sure that the EOL resistor is connected in series across all the detectors in the loop. This means running an extra pair of wires at the initial stage. One pair of wires is for IDC (alarm pin #4 and #5), another pair for EOL and control pins (#3 and #4), and the last pair is for the 24V DC reset power supply. One of the control pairs connects the last channel detector in the loop (terminal #5) to the first (terminal #14), and the other wire connects the control pin pair of each detector (terminal #3). #14) in the loop.

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What if you ran a pair of IDC across all the alarm contacts and put a series of EOL resistors across the control contacts of the last channel detector? Answer: any channel detector is included in the alarm, but it is only monitored for wiring/circuit integrity. If you do not connect a resistor to each of the detector’s monitoring contacts, you will not be monitoring the detector’s status. Example: You have three D4120 System Sensor channel detectors in one loop. Leaving the address monitor module, you landed on three sensor alarm contacts. When you get to the third detector, connect the EOL resistor in series across the control pins. Technically, the third device is the only detector in the loop that is properly monitored. If the cover of the first channel detector is empty and the second is out of power, you do not know how long the third device will work properly. You and the FACP will only know that the first two detectors have failed if the third detector has failed. it is

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