Carrier 19XRV specifications A19-1831, A19-1842, A19-1814

Page 3

Opening the VFD Access Door

WARNING

Before removing the drive enclosure, open access door and verify that the DC bus voltage has dropped to zero by checking the terminals behind the access door. Failure to observe this precaution could result in severe bodily injury or loss of life.

1.Using recommended screwdriver = 6.4 mm (0.25 in.) flat or T20 star, open access door. See Fig. 2.

2.Check to be sure that the voltage between DC+ and DC- and from each DC terminal to the chassis is zero before proceeding. See Fig. 3.

Drive Assembly Catalog Number — See Fig. 4 for an example Catalog Number.

Components and Physical Data — The Allen- Bradley PF755 Frame 6 drive is used for the 230-amp rated ap- plication (carrier Part No. 19XRV0230...). See Fig. 5.

The Allen-Bradley PF755 Frame 7 drive is used for the

335-amp and 445-amp rated application (Carrier Part No. 19XVR0335... and 19XVR0445... respectively). See Fig. 6.

See Fig. 7 for the dimensions of Frames 6 and 7.

Fig. 2 — Opening Access Door

A19-1831

1 L1 L2 L3

I

LOCKOUT/TAGOUT

O

2

0V

 

DC BUS TEST

DC+ DC–

TERMINALS

 

LOCATED INSIDE

 

ACCESS DOOR

 

0V

MULTIMETER

A19-1842

21P 1 0248

21P PF755 VFD

Voltage Rating

1– 460 to 480 v, 60 Hz

2– 380 to 415 v, 50 Hz

3 – 380 to 400 v, 60 Hz 4– 401 to 439 v, 60 Hz

PF755 Full Load Amp Rating (Maximum Continuous Amps)* 0248 – 248 0361 – 361

0477 – 477

*For Carrier applications, maximum continuous amp ratings are 230, 335, and 445.

Fig. 3 — Check DC Bus Terminals

A19-1814

3 - 3 - 0 - 0 - C

Customer

C– Carrier

Meter Package

0 – No Meter Package

1– Analog Meter Package

Input Reactor

0 – No Input Reactor

1– 3% Input Line Reactor

Disconnect/Breaker Options

3 – 65 KAIC Capacity Breaker

4– 100 KAIC Capacity Breaker

Drive Assembly

3 – Unit Mount NEMA 1 Liquid Cooled

Fig. 4 — Drive Assembly Catalog Number Nomenclature

3

Image 3 Contents
Start-Up and Service Instructions Contents A19-1831 A19-1842A19-1814 A19 1832A19-1833 A19-1834 Wire LugsVFD Configurations Parameter Default ValueA19 1846 TB1 I/O Terminal Designations A19-1921A19-1835 A19-18361815 Link Drive Status Indicator DescriptionsName Color State Description EnetA19-1925 A19-1844Alert Icvc Alert CodesMessage PrestartLimited RUN CapacityLOW OIL FaultPrimary Secondary Primary Cause Additional CAUSE/REMEDY Sensor AlertSystem Alert LossCommunication VFD Speed AlertFailure to Stop Icvc Alarm CodesProtective Limit 236 233234 235Unused State UnusedVFD Gateway Sensor FaultHist Screen None Fault Type Description Corrective Action On VFDVFD Code124 Hist ScreenNone 113Meter Lead Meter Reading Diode ChecksA19-1816Fig Removing Enclosure A19-1831Fig Open Access DoorFrames 6 and 7 Power Terminal Block A19-1814Fig Check DC Bus TerminalsA19-1837 A19-1838A19-1817A19-1818 A19-1819 Comm CardTB4 Dist Side A19-1847CR1 EA1 Line CR6 CB1 TB4 CB2 FU1-FU3 PT1 Secondary Side Toward DoorFrame 6 Parts A19-1848A19-1946 Appendix a Wiring Schematics Chiller Control SchematicUPC A19-1947Hgbp RHSA19-1966 Shld A19-1967A48-8579 A48-8578A48 8580 Appendix B Optional Bacnet Communications WiringTable a SW3 Protocol Switch Settings For MS/TP Table B Baud Selection TableA48-8582 Table C MS/TP Wiring RecommendationsWiring Specifications Recommended Vendors and Part Numbers RmcorpCMP Run Table E LED Status IndicatorsRUN LED Error LED Status LED StatusObject ID Object Name CHW Page Copyright 2011 Carrier Corporation