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INSTALLATION/WIRING INSTRUCTIONS
Models AD-3I and AD-3ILP
AIR DUCT DETECTORS
INTRODUCTION
Model AD-3I and AD-3ILP Detectors from Siemens Industry, Inc. are System 3,
System PXL, System SXL-EX, System SXL, System XL3, System
CP-2ER, MXL Control Panel and MXL-IQ Control Panel compatible air
duct detectors. They are designed for use in heating, ventilating, and air
conditioning duct systems. Model AD-3I uses ionization smoke detectors,
and Model AD-3ILP uses photoelectric smoke detectors to detect the pres-
ence of combustion products in a duct system. (Refer to TECHNICAL
DATA below for information on compatible detectors.)
When smoke or combustion products are detected, shutdown of the duct
system and/or operation of supplementary equipment is provided by the
related system control panel.
TECHNICAL DATA
Smoke Detector Compatibility
System/Module
CP-2ER
MXL/MXL-IQ Control Panel
MXL/MXL-IQ Control Panel
(CZM-1/1B6 or CZM-4)
System 3
System PXL
System PXL (PZE-4B)
System SXL
System SXL (SZE-4R)
System SXL (SZE-8A)
System SXL-EX
System SXL-EX (SZE-4X)
System SXL-EX (SZE-8AX)
System XL3 (INX-3)
System XL3 (ZNX-3)
Siemens Industry, Inc.
Building Technologies Division
Florham Park, NJ
P/N 315-093234-7
TABLE 1
AD-3I COMPATIBILITY
DI-B3, DI-B3H
ILI-1B, ILI-1BH
DI-B3, DI-B3H (no accessories with
DI-B3, DI-B3H
DI-B3, DI-B3H
DI-B3, DI-B3H
DI-B3, DI-B3H (no accessories)
DI-B3, DI-B3H (no accessories)
DI-B3, DI-B3H (no accessories)
DI-B3, DI-B3H
DI-B3, DI-B3H
DI-B3, DI-B3H
ILI-1B, ILI-1BH
DI-B3, DI-B3H
Compatible Detectors
CZM-1/1B6)
Siemens Building Technologies, Ltd.
Fire Safety & Security Products
2 Kenview Boulevard
Brampton, Ontario
L6T 5E4 Canada
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Summary of Contents for Siemens AD-3I
- Page 1 Models AD-3I and AD-3ILP AIR DUCT DETECTORS INTRODUCTION Model AD-3I and AD-3ILP Detectors from Siemens Industry, Inc. are System 3, System PXL, System SXL-EX, System SXL, System XL3, System CP-2ER, MXL Control Panel and MXL-IQ Control Panel compatible air duct detectors. They are designed for use in heating, ventilating, and air conditioning duct systems.
- Page 2 3000-8000 feet AD-3ILP No altitude limitations Relative Humidity Range: 0-93% (non-condensing) per UL 268-268A Air Duct Velocity Range: 500-4000 ft/min – AD-3I 300-4000 ft/min – AD-3ILP Sampling Tube Pressure Range of Differences: .017-1.07 inches of water column for AD-3I .006-1.07 inches of water column for AD-3ILP...
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Page 3: Operation
OPERATION When the AD-3I/3ILP (AD-3I or AD-3ILP) is operating, a sample of air is drawn from the duct and passed through the sampling chamber at low ve- locity by means of the inlet sampling tube. The air sample passes through the smoke detector mounted in the duct housing and is exhausted back into the duct through the outlet sampling tube. - Page 4 MOUNTING THE AIR DUCT HOUSING Location on Duct System Locate the air duct detector in the main supply duct, downstream from the filters and positioned so as to operate reliably in case of smoke in any part of the air stream. In instances where filters are capable of removing smoke, install detectors both upstream and downstream from the filters.
- Page 5 Figure 2 Recommended Locations in Duct Systems Mounting of the Air Duct Housing (See Figure 3) a. Affix the adhesive backed gaskets (Item 1) to the back of the detector housing (2) so that the larger hole on the gasket lines up with the sam- pling tube hole on the sampling chamber and the smaller hole lines up with the housing mounting hole.
- Page 7 Sampling Tube Selection There are four standard lengths of inlet sampling tubes. To ensure accurate air sampling, select the appropriate length and determine the outside width of the duct. Select the sampling tube nearest to, but greater than, the duct width (Table 5).
- Page 8 Trimming the Inlet Sampling Tube (See Figure 4) a. Measure the outside width of the duct. b. Add 2.25 inches to obtain proper length of tube. Example: Outside width of duct 2 ft 6 in Add 2.25 inches 2.25 in Length of sampling tube 2 ft 8.25 in The length (2 ft 8.25 in) determines (Table 5 on page 7)
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Page 9: Electrical Wiring
AWG, limited energy, shielded cable without conduit, if permitted by the lo- cal building codes. INSTALLATION OF SMOKE DETECTORS CAUTION: Air Duct Detector Models AD-3I/3ILP are designed only for those detectors shown in the Smoke Detector Compatibility section (See Tables 1 and 2). Do not use any other detector (See Figure 3, items 14 and 15). - Page 13 Sensing Compartment Cover Installation a. Install the cover gasket (Figure 3, 16) on the housing, if not already installed. Be certain the alignment holes in the cover gasket are aligned with the guides on the housing. b. Install the sensing compartment ionization cover (17) when using DI-B3, DI-B3H, ILI-1B, or ILI-1BH detectors and the photoelectric cover (18) when using an ILP-1 or ILP-2 detector.
- Page 14 CAUTION: Under no circumstances is the ionization or photoelectric detector portion of the unit to be disassembled by anyone other than an authorized Siemens Industry, Inc. Systems Technician. For service, contact your nearest authorized Si- emens Industry, Inc. Service Representative.
- Page 15 COMPATIBLE CONTROL EQUIPMENT Equipment Installation/Wiring Compatibility Identifier Instructions CP-2ER P/N 315-093523-6 CP-35 (System 3) P/N 315-084902-20 CZM-1 (MXL/MXL-IQ System) P/N 315-090725-8 CZM-1B6 (MXL/MXL-IQ System) P/N 315-095355-4 CZM-4 (MXL/MXL-IQ System) P/N 315-090726-8 P/N 315-094131-4 PZC-4D (PXL) P/N 315-094164-2 PZE-4B (PXL) P/N 315-094065-4 P/N 315-092419-10 SXL-EX P/N 315-095997-5...
- Page 16 Siemens Industry, Inc. Siemens Building Technologies, Ltd. Building Technologies Division Fire Safety & Security Products Florham Park, NJ 2 Kenview Boulevard Brampton, Ontario P/N 315-093234-7 L6T 5E4 Canada...