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Carrier 19XRV User Manual

Page 3

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3

Opening the VFD Access Door

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.

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.

Fig. 2 — Opening Access Door

A19-1831

1

L1 L2 L3

O

I

2

DC+ DC–

0V

0V

LOCKOUT/TAGOUT

MULTIMETER

DC BUS TEST

TERMINALS

LOCATED INSIDE

ACCESS DOOR

Fig. 3 — Check DC Bus Terminals

A19-1814

21P 1

0248

3 - 3 - 0 - 0

C

-

21P PF755 VFD

Voltage Rating
1
2
3

Customer
C
– Carrier

Meter Package
0
– No Meter Package
1 – Analog Meter Package

– 460 to 480 v, 60 Hz
– 380 to 415 v, 50 Hz
– 380 to 400 v, 60 Hz

4

PF755 Full Load Amp Rating
(Maximum Continuous Amps)*
0248
– 248
0361 – 361
0477

477

Disconnect/Breaker Options
3

65 KAIC Capacity Breaker

Input Reactor
0
– No Input Reactor
1 – 3% Input Line Reactor

– 401 to 439 v, 60 Hz

0477 – 477

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

A19-1842

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