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Application Guide

505-013

ALM2 Alarm Module

Self-Contained Interoperable Controller Model UCP-1

SUPERSEDES: September 23, 2010

EFFECTIVE: November 12, 2010

Table of Contents

ALM2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Purpose of This Guide . . . . . . . . . . . . . . . . . . . . . . . . .   3
Representations and Warranties . . . . . . . . . . . . . . . . .   3
Applicable Documentation . . . . . . . . . . . . . . . . . . . . . .   4
Installation Instructions. . . . . . . . . . . . . . . . . . . . . . . . .   4
Precautions  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   4

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Static Electricity . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
FCC Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Before Installing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

About this Document . . . . . . . . . . . . . . . . . . . . . . . . 5
Inspecting the Equipment . . . . . . . . . . . . . . . . . . . . 5
What is Not Included with this Equipment . . . . . . . . 5
Equipment Location . . . . . . . . . . . . . . . . . . . . . . . . . 5
Selecting a Power Source . . . . . . . . . . . . . . . . . . . . 5

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Mounting the Device . . . . . . . . . . . . . . . . . . . . . . . . 6
Routing Cabling to the Device . . . . . . . . . . . . . . . . . 7
Grounding the Device . . . . . . . . . . . . . . . . . . . . . . . 8

Wiring Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Connecting Input Devices. . . . . . . . . . . . . . . . . . . .10
Connecting Output Devices . . . . . . . . . . . . . . . . . .11
Other Connections . . . . . . . . . . . . . . . . . . . . . . . . .11

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Electrical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Mechanical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Application Description . . . . . . . . . . . . . . . . . . . . . . . . 13
Sequence of Operation . . . . . . . . . . . . . . . . . . . . . . . . 13

Temperature Alarms. . . . . . . . . . . . . . . . . . . . . . . .13
Switch Status Alarms . . . . . . . . . . . . . . . . . . . . . . .14
Alarm Outputs. . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Automatic Configuration . . . . . . . . . . . . . . . . . . . . .14

Controller Identification . . . . . . . . . . . . . . . . . . . . . . . . 14

Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Diagnostic LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Troubleshooting Tips . . . . . . . . . . . . . . . . . . . . . . .18

Summary of Contents for ALM2

Page 1: ...his Document 5 Inspecting the Equipment 5 What is Not Included with this Equipment 5 Equipment Location 5 Selecting a Power Source 5 Installation 6 Mounting the Device 6 Routing Cabling to the Device 7 Grounding the Device 8 Wiring Information 8 Connecting Input Devices 10 Connecting Output Devices 11 Other Connections 11 Specifications 11 Electrical 11 Mechanical 12 Application Description 13 Seq...

Page 2: ...iWorX ALM2 2 505 013 Effective November 12 2010 2010 Taco Electronic Solutions Inc THIS PAGE LEFT BLANK INTENTIONALLY ...

Page 3: ...ers who engineer control logic Users who set up hardware configuration Users who change hardware or control logic Technicians and field engineers of Taco Electronic Solutions Inc REPRESENTATIONS AND WARRANTIES This Document is subject to change from time to time at the sole discretion of Taco Electronic Solutions Inc All updates to the Document are available at www taco hvac com When installing th...

Page 4: ...ions where corrosive fumes excessive moisture vibration or explosive vapors are present Avoid electrical noise interference Do not install near large contactors electrical machinery or welding equipment This equipment is suitable for indoor or outdoor use Preferably or as required by National Electrical Code the unit is intended to be installed within an electrical control enclosure Operate where ...

Page 5: ... The instructions in this manual are for the ALM2 module which provides auxiliary alarm capabilities to an iWorX sys tem Inspecting the Equipment Inspect the shipping carton for damage If damaged notify the carrier immediately Inspect the equipment for damage Return damaged equipment to the supplier What is Not Included with this Equipment A power source for the equipment electronics and periphera...

Page 6: ... it to exceed FCC limits Excessive noise could also produce inaccurate sensor data The power source must be capable of operating with this connection to ground INSTALLATION Warning Electrical shock hazard To prevent electrical shock or equipment damage disconnect ALL power sources to controllers and loads before installing or servicing this equipment or modifying any wir ing Mounting the Device 1 ...

Page 7: ...010 Taco Electronic Solutions Inc Figure 1 Mounting Dimensions Routing Cabling to the Device Cabling used to connect the power source and cabling used to connect the FTT 10A network must remain separated within the control enclosure and wiring conduit ...

Page 8: ... connect the power supply common terminal T38 to the same external point as the ground terminal T40 WIRING INFORMATION WARNING Terminals 9 12 15 18 and 38 are connected internally on all ALM2 controllers Disconnect ALL power sources when installing or servicing this equipment to prevent electrical shock or equipment damage The Figures below show a typical ALM2 installation with four thermistor inp...

Page 9: ...iWorX ALM2 505 013 Effective November 12 2010 9 2010 Taco Electronic Solutions Inc Figure 3 Class 2 Typical ALM2 Wired as Power Sinking ...

Page 10: ...s or digital contact switches The software configuration of the con troller determines whether a particular input is read as a temperature or digital input Temperature Inputs To connect a temperature sensor to the unit attach one wire from the thermistor to an input terminal T8 T10 T11 T13 T14 T16 T17 or T19 and the other wire to an adjacent common T9 T12 T15 or T18 The thermistor used must be 10K...

Page 11: ...must be twisted pair One network wire must be connected to terminal NETA T1 and the other network wire must be connected to terminal NETB T2 Polarity is not an issue since an FTT 10A network is used for commu nications Power PWR Connect one output wire from a 24 VAC power supply to PWR T39 and the other output wire from the power supply to the adjacent common terminal T38 Ground GND Terminal GND T...

Page 12: ... 166 mm wide 1 75 deep 44 mm ABS Weight Controller Weight 0 70 pounds 0 32 kilograms Shipping Weight 1 0 pounds 0 46 kilograms Electronics Processor 3150 Neuron 10 MHz Flash 48 Kilobytes SRAM 8 Kilobytes Termination 0 197 5 0 mm Pluggable Terminal Blocks 14 22 AWG Environmental Temperature 32 F to 140 F 0 C to 60 C Humidity 0 to 90 non condensing Agency Listings UL Listed for US and Canada Energy ...

Page 13: ...rm for that input SEQUENCE OF OPERATION This section describes the detailed sequence of operation for the controller Temperature Alarms Thermistors are used for temperature inputs The ALM2 reads the sensor and converts it to temperature once every execution cycle The converted value is made available as a network variable output The temperature reading is com pared to two threshold levels an upper...

Page 14: ...the ALM2 when the controller s service pin is pressed The controller s status light flashes green until the controller is configured and will be solid green after the controller is configured Once the service pin has been pressed no further action is required by the user the controller is fully accessible to the LCI Users may bind to SNVTs on the ALM2 with LNS or other LONWORKS tools if they wish ...

Page 15: ...hysteresis used during thermistor data comparisons Input 1 Lo Limit 29 9 to 230 0 F 34 4 to 110 0 C 32 0 F 0 0 C Threshold temperature below which the controller will report a temperature alarm Input 2 Lo Limit Input 3 Lo Limit Input 4 Lo Limit Input 5 Lo Limit Input 6 Lo Limit Input 7 Lo Limit Input 8 Lo Limit Input 1 Hi Limit 29 9 to 230 0 F 34 4 to 110 0 C 50 0 F 10 0 C Threshold temperature ab...

Page 16: ...clear facilities or any other applica tions where product failure could lead to injury to person loss of life or catastrophic property damage and should not be sold for such pur poses If in doubt as to whether a particular product is suitable for use with a TES product or part or for any application restrictions consult the applicable TES instruction sheets or in the U S contact TES at 401 942 800...

Page 17: ...temperature goes above the pro grammed setpoint Cleared when the tem perature goes below Setpoint Hystersis Input Lo Limit Normal Lo Limit Occurs when the temperature goes below the pro grammed setpoint Cleared when the tem perature goes below the Setpoint Hystersis LED Indication Status Solid green when running and configured by an LCI networking Flashing green when running and NOT configured by ...

Page 18: ...Ensure that the output jumper is configured for how the output is wired for example Power Isolated vs Power Sourcing A temperature reading is at its mini mum or maximum value The input is either shorted or open Check the wiring for the indicated sensor Ensure that the input switch is in the proper position for dry contact or thermistor Thermistor readings fluctuate rap idly sometimes by several de...

Page 19: ...lem with a unit follow the steps below before contacting your local TES representative or TES technical service 1 Make sure controllers sensors and power supplies are connected and communicating to desired devices 2 Record precise hardware setup indicating the following Version numbers of applications software Controller firmware version number A complete description of difficulties encountered No...

Page 20: ...covered by this warranty TES products are not intended for use to sup port fire suppression systems life support sys tems critical care applications commercial aviation nuclear facilities or any other applica tions where product failure could lead to injury to person loss of life or catastrophic property damage and should not be sold for such pur poses If in doubt as to whether a particular produc...

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