Xantrex ALM - REV A Bedienungsanleitung

Owner’s Manual

Auxiliary Load Module

P/N 975-0027-01-01 Rev A 09/01

About Xantrex

Xantrex Technology Inc. is a world-leading supplier of advanced power

electronics and controls with products from 50 watt mobile units to 1 MW utility-

scale systems for wind solar batteries fuel cells microturbines and backup power

applications in both grid-connected and stand-alone systems. Xantrex products

include inverters battery chargers programmable power supplies and variable

speed drives that convert supply control clean and distribute electrical power.

Trademarks

Trace and Xantrex are registered trademarks of Xantrex International.

Notice of Copyrig t

Auxiliary Load Module (ALM) Owner’s Manual © September 2001 Xantrex

Disclaimer

While every precaution has been taken to ensure the accuracy of the contents

of this guide Xantrex International assumes no responsibility for errors or

omissions. Note as well that specifications and product functionality may change

without notice.

Since the use of this manual and the conditions or methods of installation

operation use and maintenance of the unit are beyond the control of Xantrex

Technology Inc. the company does not assume responsibility and expressly

disclaims liability for loss damage or expense arising out of or any way connected

with such installation operation use or maintenance.

Due to continual improvement through product updates photographs and/or

illustrations used in this manual may not

exactly

match your unit. Xantrex

Technology Inc. reserves the right to update this product without notice or releasing

an updated manual when

fit form or function

are not affected.

Date and Revision

September 2001 Revision A

Part Number

975-0027-01-01

Contact Information

Web: www.xantrex.com

Email: [email protected]

Phone: 360/435.8826

Fax: 360/435.2229

P/N 975-0027-01-01 Rev A 09/01

Table of Cable of C

able of Cable of C

able of Contentsontents

ontentsontents

ontents

1.0 INTRODUCTION1.0 INTRODUCTION

1.0 INTRODUCTION ..............................................................................................................................................

..............................................................................................................................................

.......................................................................11

Unpacking and Inspection ...................................................................................1

Controls and Indicators ........................................................................................2

Indicator LEDs .................................................................................................. 2

AUX RELAY 9 LED ........................................................................................ 2

AUX RELAY 10 LED ...................................................................................... 2

INVERTER OPERATIONAL LED..................................................................2

Switches ............................................................................................................3

AUX RELAY Switch ....................................................................................... 3

INVERTER ERROR Switch ...........................................................................3

Internal Components ............................................................................................4

Relays ....................................................................................................................4

Relay Connections.................................................................................................4

Relay Terminal Block ....................................................................................4

Ground Stud.................................................................................................5

Fuses ..................................................................................................................... 5

2.0 INST2.0 INST

2.0 INSTALLAALLA

ALLAALLA

ALLATIONTION

TIONTION

TION ....................................................................................................................................................

....................................................................................................................................................

..........................................................................77

Tools Required ......................................................................................................7

Pre-Installation ......................................................................................................7

Mounting ............................................................................................................... 8

Wiring ..................................................................................................................10

Terminal Block Wiring ....................................................................................10

RY 11 Error Indicator Wiring ..............................................................................11

Communication Cable ........................................................................................ 12

Internal Sticker ....................................................................................................13

3.0 OPERA3.0 OPERA

3.0 OPERATIONTION

TIONTION

TION ........................................................................................................................................................

........................................................................................................................................................

............................................................................ 1515

1515

Test Procedures ...................................................................................................15

Operation ............................................................................................................16

Active-High Type Relay ................................................................................... 16

Active-Low Type Relay ....................................................................................16

ALM Applications ...............................................................................................16

Active-High Configurations ................................................................................17

High-Voltage Alarm ........................................................................................17

Battery Exhaust Fan Controller ......................................................................17

Exhaust Fan Electrical Wiring .........................................................................18

Simple Charge Controllers .............................................................................18

Photovoltaic Charge Controller .................................................................18

Over-Voltage Protection Using a Grid-Tie Inverter ...................................19

Active-Low Configurations..................................................................................20

DC Load Controller .........................................................................................20

Load Diversion Controller .............................................................................. 20

Low-Voltage Alarm ......................................................................................... 21

P/N 975-0027-01-01 Rev A 09/01

Table of Cable of C

able of Cable of C

able of Contentsontents

ontentsontents

ontents

(continued)(continued)

(continued)

4.0 TROUBLESHOOTING4.0 TROUBLESHOOTING

4.0 TROUBLESHOOTING ........................................................................................................................

........................................................................................................................

............................................................ 2323

2323

5.0 SERVICE INFORMA5.0 SERVICE INFORMA

5.0 SERVICE INFORMATIONTION

TIONTION

TION ............................................................................................................

............................................................................................................

...................................................... 2525

2525

6.0 WARRANTY6.0 WARRANTY

6.0 WARRANTY............................................................................................................................................................

............................................................................................................................................................

.............................................................................. 2727

2727

7.0 SPECIFICA7.0 SPECIFICA

7.0 SPECIFICATIONSTIONS

TIONSTIONS

TIONS ........................................................................................................................................

........................................................................................................................................

.................................................................... 2929

2929

Electrical ..............................................................................................................29

Mechanical ..........................................................................................................29

P/N 975-0027-01-01 Rev A 09/01

The Auxiliary Load Module (ALM) is an accessory for selected Trace™/Xantrex

inverter/charger models allowing battery voltage related tasks such as controlling

charging sources loads etc. and inverter error indication. The unit contains three

relays providing normally open (N.O.) normally closed (N.C.) and common (COM)

contacts. Relays RY9 and RY10 are independently adjustable DC auxiliary signal

relays. Relay RY11 is used to indicate an error condition (via an external indicator)

whenever the inverter’s output is shutdown. This could be a bell buzzer light etc.

The unit interfaces with the inverter through a phone-type cable. Commands

from the inverter control the relays when defined parameters (programmed via the

inverter’s control device e.g. display panel or remote control) are met. Refer to the

inverter operator’s manual for setting the various parameters for operation.

Front panel LEDs provide a visual display of relay activity whenever a relay

contact receives an engage command from the inverter. A highly visible blue LED

indicates the connected inverter is operational.

Unpacking and Inspection

Carefully inspect the contents of the shipping carton for damages. Report any

damages to the carrier immediately.

The following items are packed with the ALM:

• Auxiliary Load Module unit (ALM)

• 25-foot cable

• Operator’s manual

• Warranty Card

Report any missing items to your dealer immediately.

Figure 1-1

Auxiliary Load Module (ALM)

1.0 INTRODUCTION

P/N 975-0027-01-01 Rev A 09/01

Controls and Indicators

Indicator LEDs

Three LEDs located on the front panel of the ALM indicate the relay control

signal status from the inverter.

NOTE: The LEDs are unaffected by the ALM’s switch

positions or fuse condition.

AUX RELAY 9 LED

The yellow LED indicates whether relay RY9 has engaged or not. If this LED is

illuminated the N.O. to COM contacts are connected. If this LED is not illuminated

the N.C. to COM contacts are connected.

AUX RELAY 10 LED

The green LED indicates whether relay RY10 has engaged or not. If this LED is

illuminated the N.O. to COM contacts are connected. If this LED is not illuminated

the N.C. to COM contacts are connected.

INVERTER OPERATIONAL LED

The blue LED indicates the inverter’s operational status. If the inverter is

powered and ready for operation the blue SYSTEM OPERATIONAL LED turns ON as

soon as the phone-type cable is plugged into the inverter. If the blue LED does not

turn ON the inverter is either not powered is set to the CHG-only mode without any

utility pass-through or has no AC output which may be caused by an error

condition.

Figure 1-2

Indicator LEDs

Yellow LED

AUX RELAY 9

Green LED

AUX RELAY 10

Blue LED

INVERTER OPERATIONAL

OFF = INVERTER ERROR

1.0 INTRODUCTION

P/N 975-0027-01-01 Rev A 09/01

Controls and Indicators (continued)

Switc es

Two switches are provided on the right side of the ALM to effectively

disconnect the relay coils from the inverter’s supply voltage (11 VDC) thus

preventing the relays from engaging if a control signal is sent out from the inverter.

This safety feature allows you to work with the auxiliary relays without having to

power-down the connected inverter.

AUX RELAY Switc

The AUX RELAY switch enables the relays by providing the operating voltage to

the relay coils RY9 and RY10. When the relays are enabled they will respond to the

control signals provided by the inverter. When the switch is in the RELAYS

DISABLED position the inverter control signals have no effect on relay operation

(i.e. the COM and N.C. contacts engage). This switch does not affect the operation

of the LEDs which continue to light whenever the inverter sends a CLOSE CONTACT

command to the relays.

INVERTER ERROR Switc

The INVERTER ERROR switch provides a simple way to test an externally

connected alarm. Once the alarm is tested this switch should be set to the RELAY

READY position.

Figure 1-3

Switc es

AUX RELAY Switch

(RY9 and RY10)

INVERTER ERROR

Switch (RY 11)

1.0 INTRODUCTION

P/N 975-0027-01-01 Rev A 09/01

Internal Components

The Auxiliary Load Module (ALM) is designed for multiple applications and

allows for simple installation. Components provided are listed below.

Relays

There are three single-pole double-throw relays rated at 10 amps/250 VAC

(8 amps/30 VDC–for resistive loads) with gold contacts providing “dry contact”

closures to increase the low-end signal range.

• Relay RY9 and RY10 are used for battery voltage related functions.

• Relay RY11 can be connected to an external indicator device to display or

sound an alarm whenever the inverter AC output is lost.

• The common normally open and normally closed contacts are available on

each relay.

Relay Connections

• Common (COM) - The COM contact switches between the N.C. and N.O.

terminals depending on whether the relay is energized or not (de-energized).

• Normally Closed (N.C.) - The N.C. contact is connected to the COM terminal

of the relay when the relay is de-energized.

• Normally Open (N.O.) - The N.O. contact is connected to the COM terminal

of the relay when the relay is energized.

CAUTION: These relays are not intended to directly

control a load or charging source. Rather they are used

to send a signal or operate the coil of another, higher

amperage device hich does the actual s itching of

po er. A 6.3-amp fuse is included to help protect each

of the relays. Connection to a high amperage device

ill open the fuse in the common line and possibly

damage the relay. Damage to these relays from

overloading is not covered by arranty and requires the

ALM to be returned to a repair center.

Relay Terminal Block

Connections to the ALM are accomplished by the nine position spring-clamp

terminal block with quick connect levers. All relay contacts (N.O. COM and N.C.)

are available at this connector which accepts wire sizes from #28 AWG to #14 AWG.

No tools are required to secure the wires as the spring clamp holds the wires

securely in place.

1.0 INTRODUCTION

P/N 975-0027-01-01 Rev A 09/01

Internal Components (continued)

Ground Stud

A ground screw is provided in the ALM to provide a safety ground path when

hazardous voltages are connected to the relays. Connect this screw to a grounded

conductor whenever high voltages (i.e. above 60 volts) are connected to the relays.

NOTE: No hazardous vo tages are supp ied from the

inverter to power or contro the re ays; however, 120 VAC

cou d be used to power an externa error indicator.

Fuses

Each relay’s common (COM) contact is protected with a 6.3 amp

(5 mm x 20 mm) 250 VAC fuse which will open if excess current is drawn

through the relay contacts. Always replace this fuse with the same type and

rating. Type GDC (Bussman) or 218 (Littlefuse) is recommended.

NOTE: These fuses can be rep aced with ower ower

ower ower

ower amperage

fuses to a so protect the connected circuitry, if desired. In

no no

no case, shou d this fuse be rep aced with one of a higherhigher

higherhigher

higher

amperage.

Figure 1-4

Internal Components

F1 protects

RY 9

F2 protects

RY 10

F3 protects

RY 11

GROUNDING screw Terminal Block

Communication jack

1.0 INTRODUCTION

P/N 975-0027-01-01 Rev A 09/01

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