Hubbell LX-440, LX-450 instruction manual Transfer Control Relay Board, Troubleshooting

Page 12

Transfer Switch

Time Delay function

Typical factory setting

Adjustment Range

NORMAL OVER-RIDE ON

1 second, engine generator

0.5 to 6 seconds

MONETARY OUTAGE

3 seconds, utility

 

RETRANSFER TO NORMAL

30 minutes

2 to 30 minutes

ENGINE RUNNING UNLOADED

5 minutes

2 to 30 minutes

EMERGENCY OVER-RIDE ON

1 second

0.5 to 6 seconds

MOMENTARY OUTAGE

 

 

TRANSFER TO EMERGENCY

2 seconds

0 seconds to 5 minutes

NEUTRAL POSITION TIME DELAY

3 seconds

1 second to 10 minutes

(optional)

 

 

Frequency Monitor

60 Hz

30 to 100 Hz

Table 6-1 Troubleshooting

Condition

Possible cause

Checks

Action

 

Switching mechanism

Isolate power sources

Actuate transfer switch

 

jammed

manually

Automatic transfer

 

 

 

 

 

Check for 115 V output

 

switch does not transfer

Transformer fault

Replace transformer

LED’s on Control

 

from transformers

 

 

Inspect board for damage

 

Module indicate proper

 

 

timing sequence,

TCR board fault

Check TCR and TR

 

voltage, and frequency

relays

Repair/Replace TCR board

 

 

Check board components

 

 

 

with ohm meter

 

 

 

 

 

 

Phase Rotation

Check for correct phase

Correct line connections for

 

sequence.

proper phase sequence.

Automatic transfer

Monitor fault

Check PRM w/ ohm

Replace PRM

switch transfers when

(ATS/Fire Pump)

meter

 

normal source OK

 

 

 

Control Module

Check VOLTAGE

Repair/Replace Control

 

 

MONITOR LED’s

Module

 

 

 

 

 

 

 

Engine Start Relay

Check contacts at PTB1-

Replace MB relay

Engine generator does

1 and -2

 

 

not start

Control Module fault

Check Engine Start

Repair/Replace Control

 

Contacts

Module

 

 

Engine generator

Engine Start Relay

Check relay on Control

Repair/Replace Control

continues to run

fault

Module

Module

unloaded

Relay circuit fault

 

 

 

 

 

 

7.0 Transfer Control Relay Board

Refer to schematic 49271-500.

The primary purpose of the Transfer Control Relay board is to control the operation of the switching mechanism. The board also has the isolation switch alarm circuit and relays.

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Contents Hubbell Industrial Controls, Inc 100, 200, 260, 400, 600, 800, 1000, 1250 Ampere 4 PoleTable of Contents Introduction Specifications and Certifications InstallationSpecifications CertificationsTransfer Switch Receiving and Storage OperationLocation Line ConnectionsAutomatic Operation Transfer to Emergency SourceRetransfer to Normal Source Standard and Optional Features Standard FeaturesIndicating lights Control ModuleOptional Features Selector Switch R2-R4 Plant Exerciser B1-B2Remote Test R7 Maintenance Preventive maintenanceTransfer Test Manual TestTroubleshooting SettingsAuto Test Troubleshooting Transfer Control Relay BoardAssembly versions ComponentsPlant Exerciser Timer Set the timeProgramming Fr18 Spare Parts and Drawing References Spare PartsDrawing References

LX-450, LX-440 specifications

The Hubbell LX-440 and LX-450 are cutting-edge LED lighting solutions designed to meet the demands of various commercial and industrial applications. These products stand out for their exceptional energy efficiency, durability, and advanced technology, making them ideal for environments ranging from manufacturing facilities to retail spaces.

One of the primary features of the LX-440 and LX-450 is their robust construction. Built to withstand harsh conditions, the fixtures are engineered with high-quality materials that ensure longevity and reduced maintenance costs. The body of both models is designed to resist corrosion, making them suitable for use in environments exposed to moisture and chemicals. This makes the LX series particularly appealing for industries such as food processing, pharmaceuticals, and chemical manufacturing.

In terms of technology, the LX-440 and LX-450 utilize state-of-the-art LED technology to provide high lumen output with minimal energy consumption. This translates to substantial savings on energy bills and a reduced carbon footprint. With options for various color temperatures, users can select the lighting that best enhances visibility and comfort in their specific environments. These fixtures also boast an impressive lifespan of up to 100,000 hours, significantly reducing the need for frequent replacements.

Another significant characteristic of these models is their versatile installation options. The LX-440 and LX-450 can be easily mounted in a variety of settings, including pendant, surface, or chain mounting. This flexibility allows for customized layouts that can adapt to changing needs or configurations of the space. Furthermore, they feature a sleek and unobtrusive design that blends well with any decor, making them suitable for both industrial and commercial applications.

The LX series also includes advanced features such as integrated sensors for occupancy and daylight harvesting, which further enhance energy savings by ensuring that lights are on only when needed. These intelligent lighting solutions respond to their environment, adjusting brightness levels automatically to maintain optimal lighting conditions while minimizing energy use.

In summary, the Hubbell LX-440 and LX-450 represent the pinnacle of modern lighting technology. With their durable construction, advanced LED efficiency, customizable installation options, and smart features, these fixtures are ideal choices for businesses looking to improve their lighting solutions while achieving significant energy savings.
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