SD505-ADHR Duct Detector Housing
With Relay Module & SD505-DTS
Installation Instructions
The following are instructions on how to install the SD505-ADHR & SD505-DTS to a Silent Knight Addressable control panel.
SD505-ADHR Installation
The SD505-ADHR is a duct detector housing with a built-in relay module that is used to control a fan motor to stop air flow in a fire alarm situation.
Mounting Instructions
Follow these steps to mount the SD505-ADHR:
1.Remove paper backing from mounting template (packaged in installation kit) and affix to duct at installation location.
2.Using the template as a guide, drill the four mounting holes (3/32” diameter) for duct detector mounting screws provided (4 # 12 x 1/2” sheet metal screws).
3.Use template as guide to drill or punch holes for the sampling tubes in the air ducts (1- 3/8” diameter).
Specifications
|
|
|
|
|
|
|
|
|
|
|
|
|
Specification Parameter |
Rating |
|
||
|
|
|
|||
|
|
|
|||
Alarm Relay Contact Rating: |
10 A @ 120/240 VAC |
|
|||
Trouble Relay Contact Rat- |
2.5 A @ 30VDC |
|
|||
ing: |
|
|
|
|
|
|
|
|
|
|
|
Operating Volt- |
SLC |
32 VDC |
|
|
|
age: |
Loop: |
|
|
|
|
|
|
|
|
|
|
|
|
Aux. Pwr. |
120/240 VAC, 24 VDC/VAC |
|
|
|
|
Input: |
|
|
|
|
|
|
|
|
|
Aux. Input Power |
24 VDC |
Standby: |
35 mA |
|
|
Current: |
|
|
|
|
|
|
Alarm: |
75 mA |
|
||
|
|
24 VAC |
Standby: |
50 mA |
|
|
|
|
Alarm: |
90 mA |
|
|
|
120 VAC |
Standby: |
10 mA |
|
|
|
|
Alarm: |
20 mA |
|
|
|
240 VAC |
Standby: |
5 mA |
|
|
|
|
Alarm: |
10 mA |
|
SLC Current for |
Alarm: |
.018 mA |
|
|
|
Battery Calcula- |
|
|
|
|
|
Standby: |
.018 mA |
|
|
||
tions |
|
|
|
|
|
Max. SLC Loop |
Resistance: |
50Ω |
|
|
|
Operating Temperature: |
32° to 120° F (0° to 49° C) |
|
|||
Humidity: |
|
10-85% RH |
|
|
|
|
|
|
SD505-APS |
SD505-AIS |
|
Air Velocity: |
|
500-4000 fpm |
300-4000 |
|
|
|
|
|
|
fpm |
|
|
|
|
|
|
|
Sensitivity: |
|
0.85 to 1.15% |
0.5 to 0.81% |
|
|
|
|
|
per foot |
per foot |
|
|
|
|
|
|
|
4. Clean all holes.
Sampling Tube Assembly
The sampling tubes can be ordered in standard lengths and cut per requirements. See chart below for available standard sizes. The intake sampling tube is a piece of steel piping with a series of holes drilled the entire length of the tube. The tube should be cut to a size that allows it to extend the entire width of the duct.
The holes must be facing into the air flow (see Figure 1). The exhaust tube is a piece of steel piping measuring 7 inches.
P/N 151126
SD505-ADHR Duct Detector Housing With Relay Module & SD505-DTS Installation Instructions
Figure 1: Sampling Tube Orientation
5.Cut intake sampling tube to the desired length.
6.Firmly insert the provided stopper into the end of the intake sampling tube.
Standard Lengths for Intake Sampling Tubes
STS-2.5 |
For duct widths of 1.0’ to 2.5’ |
STS-5.0 |
For duct widths of 2.5’ to 5.0’ |
STS-10.0 |
For duct widths of 5.0’ to 10.0’ |
7.Mount the detector by placing the detector/sampling tube assembly into position and secure to duct housing using mounting screws.
Verify Air Flow and Direction
8.Verify that air velocity is appropriate for the type of smoke detector you are using by checking specifications of installation and, if necessary, by using air velocity meter (Alnor Model 6,000P or equivalent). See Figure 1.
Air Sampling Verification
9.Verify proper air sampling by using a differential pressure gauge (Dwyer Model 4000 or equivalent). See Figure 2 for connections.
The pressure differential between the input sampling tube and exhaust tube should be greater than 0.01” and less than 1.2” of water.
Wiring Instructions
This section contains information on how to connect the SD505-ADHR to a power source, to a fan motor, and to a SD505-DTS remote test station. Wiring must conform to applicable local codes, ordinances, and regulations covering this type of device. Refer to NFPA 90A and NFPA 72E for additional information on duct smoke detector operation and installation.
Figure 3: Wire Routing Example
Important! 1/4" spacing must be maintained between High and Low voltage circuits; as well as between power limited and non-power limited circuits.
Power Connections
The SD505-ADHR can be powered from a 120 VAC, 240 VAC, or 24 VDC/VAC power source.
Note: Only one power source can be used to power the SD505ADHR.
Figure 4 illustrates how to connect the various types of power sources to the SD505-ADHR.
2 |
Figure 2: Air Sampling Verification |
P/N 151126 |
Loading...