Siemens AD2-XHR Installation Instructions Manual

Siemens AD2-XHR Installation Instructions Manual

Air duct monitoring housings

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Installation Instructions

Models AD2-P, AD2-PR and AD2-XHR

Air Duct Monitoring Housings

INTRODUCTION

TECHNICAL DATA

P/N 315-049708-6
Models AD2-P , AD2-PR and AD2-XHR (AD2 Series) from
Siemens Industry, Inc., are air duct monitoring housings
containing sampling tubes. When used with a compatible
smoke detector, smoke and combustion products are
detected for shutdown of the duct system and/or operation
of supplementary equipment as provided by the system
control panel. See the following chart for usage.
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AIR DUCT CONDITIONS

Temperature Range:
32
F (0
C) - 100
F (38
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Altitude Range:
AD2-P , AD2-PR and AD2-XHR — No altitude limitations
Relative Humidity Range:
10-85% (non-condensing/non-freezing)
Air Duct Velocity Range:
100-4000 ft/min – AD2-P , AD2-PR and AD2-XHR
Sampling Tube Pressure Range of Differences:
Greater than 0.01 and less than 1.2 inches of water column
These air duct detectors are designed for detection and
control of products of combustion in a duct system. They
are not to be used for
are not to be used for
are not to be used for open area prot
are not to be used for
are not to be used for
DO NOT USE air duct detectors with Alarm Verification.
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Summarization of Contents

Introduction to AD2 Series Duct Monitoring Housings
AD2 Series Duct Monitoring Housings
Describes AD2 Series duct monitoring housings and their function with compatible smoke detectors.
Technical Data for Air Duct Conditions
Air Duct Environmental Conditions
Lists environmental operating conditions for duct detectors, including temperature, humidity, and velocity.
Application and Usage Restrictions
Notes on intended use for duct systems and restrictions from open area use or alarm verification.
Assembly and Application of Duct Detectors
Cover Tamper Switch Handling
Mentions the cover tamper switch and handling precautions for installation.
HVAC Duct Smoke Detection
Explains how AD2 Series detectors sense smoke in HVAC ducts to prevent recirculation.
NFPA Installation Standards Reference
Refers to specific NFPA standards for correct installation of duct smoke units.
Air Sampling and Exhaust Operation
Details how air is drawn through the sampling chamber and exhausted back into the duct.
Cover Removal Switch Functionality
Explains the cover removal switch and simulating normal operation during testing.
LED Indicator Status Meanings
Describes the LED indicator's colors and what they signify about the detector's status.
LED Indicator Status Interpretation
LED Status Conditions and Flash Intervals
Details LED flash colors and their corresponding conditions and intervals for different detectors.
Air Duct Housing Mounting Guidelines
Location Selection Factors
Key factors for choosing the correct installation position on the duct system, considering airflow and obstructions.
Airflow and Pressure Specifications
Details required airflow range and pressure differential limits for proper detector operation.
Duct Preparation and Sampling Tube Installation
Preventing False Alarms in Duct Detectors
Advises against mounting in environments with extreme temperatures or high humidity to prevent false alarms.
Installation Kit Contents
Lists the items included in the AD2 Series Housings installation kit.
Sampling Tube Selection and Sizing
Explains the selection of sampling tubes based on duct width and cutting/support requirements.
Sampling Tube Stopper and Sealing
Details the use of the red stopper in the input sampling tube and sealing for custom widths.
Mounting Procedures for Duct Housing
Sampling Tube Orientation and Installation
Provides instructions on orienting and inserting the input and outlet sampling tubes into the duct housing.
Securing the Duct Unit Assembly
Describes attaching the duct unit assembly to the HVAC duct using sheet metal screws.
Sampling Tube Pressure Measurement and Wiring
PDM-3 Pressure Differential Measurement
Recommends using the PDM-3 device to ensure sampling tube pressure differential is within specified limits.
Conduit Knockout Procedures
Explains how to determine knockout size and remove knockouts for wiring installation.
Detector Wiring Connection Overview
Refers to figures for connecting detectors, noting limitations on detectors and remote devices per circuit.
Typical Wiring Connections for AD2-P and AD2-PR
AD2-P Wiring Notes
Important notes regarding AD2-P circuit capacity, device placement, and grounding.
AD2-PR Wiring Notes
Notes for AD2-PR, concerning fire safety functions requiring it to be the sole device on a circuit.
Multiple Remote Device Connections
Details configurations and restrictions for connecting multiple remote devices to AD2-P and AD2-PR.
Wiring Connections for AD2-P and AD2-XHR
AD2-P FP-11/FP-11C Wiring Diagram
Shows the wiring diagram for AD2-P when used with FP-11/FP-11C detectors.
AD2-XHR FP-11/FP-11C Wiring Diagram
Shows the wiring diagram for AD2-XHR when used with FP-11/FP-11C detectors.
Wiring Notes and Safety Warnings
Includes notes on relay contacts, grounding screws, and electrical shock warnings related to wiring.
Wiring for AD2 Detectors with H/S-Series
AD2-P H/S-Series Detector Wiring
Shows wiring for AD2-P with HFP-11, SFP-11, HFPO-11, SFPO-11 detectors.
AD2-XHR H/S-Series Detector Wiring
Shows wiring for AD2-XHR with HFP-11, SFP-11, HFPO-11, SFPO-11 detectors.
Detector Replacement and Compatibility
Warns about compatibility when replacing detectors and associated accessories.
Detector Installation, Removal, and Testing
Detector Installation Steps
Provides step-by-step instructions for installing a detector into its base.
Detector Removal Steps
Provides step-by-step instructions for removing a detector from its base.
Testing Requirements and Standards
States that only qualified personnel should test units and refers to NFPA 72 for test schedules.
Automatic Sensitivity Test
Explains the automatic sensitivity monitoring of PE-11/-11C detectors via the LED flash.
Functional Testing Procedures
Analog Detector Programming Requirements
Mentions analog detector models require programming using specific control unit configuration tools.
FP-11/-11C and HFP-11/HFPO-11/SFP-11/SFPO-11 Testing
Refers to installation instructions for testing FP-11/-11C and HFP-11/HFPO-11/SFP-11/SFPO-11 detectors.
Smoke Testing Procedure
Details how to perform a smoke test using a TG-11 canister or alternative methods.
Smoke Testing Safety Warnings
Warns against over-spraying test gas to prevent detector contamination.
Detector Maintenance and Testing
Detector Testing with DPU/SDPU
Explains individual testing of detectors using DPU or SDPU devices as per their manuals.
Sampling Tube and Detector Cleaning
Recommends periodic cleaning of sampling tubes and detector heads to maintain performance.
Recommended Maintenance Schedule
Suggests maintenance intervals based on environment and local codes, and consulting AHJs.
Service and Disassembly Warning
States that only authorized technicians should disassemble the detector portion.
Fire Alarm System Testing Precautions
Advises notifying personnel and disconnecting external devices before testing fire alarm systems.
Compatible Control Equipment
AD2-P/AD2-PR with PE-11/-11C Compatibility
Lists compatible control equipment modules and their installation/wiring instructions for AD2-P/AD2-PR.
AD2-P/AD2-XHR with FP-11/-11C Compatibility
Lists compatible control equipment modules and their installation/wiring instructions for AD2-P/AD2-XHR.
AD2-P/AD2-XHR with HFP-11/HFPO-11 Compatibility
Lists compatible control equipment modules and their installation/wiring instructions for AD2-P/AD2-XHR.
AD2-P/AD2-XHR with SFP-11/SFPO-11 Compatibility
Lists compatible control equipment modules and their installation/wiring instructions for AD2-P/AD2-XHR.
Electrical Ratings and Specifications
Electrical Ratings for PE-11/-11C Detectors
Provides voltage, ripple, supervisory current, start-up time, and alarm current for PE-11/-11C detectors.
Ratings for FP-11/HFP-11/SFP-11 Series
States that electrical ratings for other detector series are not provided here; refer to control unit instructions.

Table of Contents