Emerson 200I/48-NT5C05C user manual Maintenance, Replacing the air filter, Replacing the fan unit

Page 49

49

6. Maintenance

6.1.Replacing the air filter

In dusty environments, the use of air filters is strongly recommended. If used they should be replaced at least once a year.

6.2.Replacing the fan unit

The fan unit, consisting of four fans and a fan plate, can be replaced. To install a new fan unit, execute the steps outlined in Procedure 10 and illustrated in Figure 11.

Figure 11 - Replacing the fan unit

HELIOS

I

0

AC/C A

V OL T

 

 

V O LT

 

 

 

 

 

C A L

 

 

A M P

 

 

C U R

 

 

 

 

C A L

 

 

 

 

 

 

C L

 

 

 

 

 

 

 

 

 

 

AD J

 

 

 

 

 

EQ L

 

 

 

 

 

AD J

TH S D

R F A

S E N

A C ON

 

E Q L

 

 

F A IL

FF 1

F F2

 

 

 

 

F LT

 

FA N

 

1.0 A

1 .0A

H V S D

E Q L

C L

 

 

A LM

 

 

 

 

 

 

F LT

 

 

 

 

 

 

 

 

 

 

A D J

 

V O L T+

V O U T-

 

 

 

H VS D

A D J

I

S T U P

D L Y

S LS

F S

I

D C /C C

REMOVE THESE FIVE SCREWS

Emerson Energy Systems

Rectifier 200I/48NT5C05C Installation and User Manual

Image 49
Contents Helios Modular Switch Mode Rectifier 200I/48 NT5C05C Page Emerson Energy Systems Page Publication history This page is left blank intentionally Contents List of Figures List of ProceduresList of Tables Ac female plug in a 1200 a cabinet This page is left blank intentionally Purpose of this manual General informationTypical mounting in a cabinet or frame Models and mounting configurationsMechanical and electrical specifications SpecificationsOperation specifications and ambient conditions Conditions Ambient conditions for the rectifier OperatingTransportation Storage conditionsAmbient conditions of a 1200 a cabinet Mechanical specifications of the NT6C43CB 1200 a cabinetOutput voltage Mounting configurations InstallationTools and test equipment Protecting the premisesPreventing damage caused by over-tightening Personal safety and protecting the equipmentPreventing personal injury Optimizing the life of the equipmentProtecting against electrical shocks Installing in a cabinet Installing in a frameProcedure 1 Installing the rectifier in a frame Step Action Short circuit hazardAnchoring the cabinet Procedure 2 Installing a rectifier in a cabinet Step ActionInstalling the rectifier Cabling and connectingConnecting the dc output terminals to the busbars Electrical connections should meet standards Connecting ac to the rectifiersHazardous potentials Cabling ac the NT5C05CA / CB rectifiers Connecting ac to the rectifier NT5C05CC Controller NT NT6C25BA or NT6C25BB Connecting the control signalsMonitoring of the shunt current Pin assignment for connectors J7 to J12Function Input/ Output Pin assignment for connector J13 Function Overview Input circuit Functional descriptionOutput circuit Output capacitors Monitoring and control circuitsDescription of the front panel Breakers DC circuit breaker AC breakerFront panel controls and LEDs Switches, controls and LEDsFAN ALM fan failure alarm CL current limit indicatorFront panel LEDs AC on ac voltage monitoringSEN Fail sense fail alarm RFA rectifier failure alarmLocal and remote adjustments and controls Hvsd high voltage shutdownRectifier input / output signals to the controller Switches DescriptionDesignation Description Remote equalize control EQL Volt / AMP digital meter switchSlope sharing SLS Rectifier parallel operationForced sharing FS Remote Hvsd Local and remote Hvsd resetSwitch Position Delay SEC Setting the start-up delayControl signals on connector P1 Start up delay DIP switchRemote on / OFF control TR CB OFF NC This page is left blank intentionally Standard settings for the rectifier Parameter Setting Standard settingsOperation Procedure 9 Starting up the rectifier Step Action Starting up and adjustingAdjusting the high voltage shutdown Hvsd Adjusting the slope share Adjusting the equalize voltage EQLVerifying the current limit Adjusting the forced load sharing Replacing the air filter MaintenanceReplacing the fan unit Preventing short circuits Calibrating the Volt / Amp MultimeterRe-assembling Remotely Resetting the rectifier after an Hvsd high voltage shutdownThis page is left blank intentionally Diagnosing system faults Fault symptom Possible causes TroubleshootingTroubleshooting Part Number CPC Appendix a Replacement partsAppendix a Recommended Replacement Parts Local toll-free prefixes Appendix B Technical service assistanceCountry Prefix United States Canada Europe Asia and the Pacific Toll-free technical assistance numbersCaribbean and Latin America Middle-East Cala Abbreviations and acronyms RFA Page Helios Modular Switch Mode Rectifier 200I/48 NT5C05C