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Components and Physical Data
The 19MV chillers use Allen-Bradley PF755TL drive Frame 7.
The 19XR6 chillers use freestanding PF755TL drives, typically
Frame 9 or larger.
NOTE: For Frame 9 and larger VFD’s refer to Rockwell Automa-
tion Document 750-TG100C-EN-P for connection points and
torque instructions to assemble the VFD.
LAYOUT AND DIMENSIONS FOR 19MV CHILLERS
For Allen-Bradley PF755TL drive layout, see Fig. 6 and 7; dimen-
sions are shown in Fig. 8.
Fig. 6 — 19MV Frame 7 PF755TL Drive Components
LEGEND
1 — Motor Connections (W, V, U)
2 — Enclosure Ground Stud
3 — Motor Ground Stud (Hidden)
4 — LCL Filter
5 — Converter
6—Inverter
7—PLC
8 — Power Supplies
9 — AC Precharge Board
10 — Mixing Fan
11 — AC Precharge Contactor
12 — AC Precharge Time Delay Relay
13 — Ground Lug
14 — Secondary Breaker
15 — ACPC TVSS Module
16 — Primary Breaker
17 — XFR 1.5 kVa
18 — XFR 2 kVa
19 — UPS is installed on back of door
(hidden)
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