User Manual

2-2
Trane Liqui-Flo Addendum
Table 2.1 – Power and Enclosure Ratings
2.2 Enclosure Rating
The Trane cabinet has a NEMA 1 enclosure rating:
•
NEMA 1: Vented. Intended for general-purpose indoor applications.
NEMA 1 enclosures are to be located in a clean and dry environment that is away
from oil, coolant, or other airborne contaminants.
2.3 Identifying Trane Cabinet Components
The 6-pulse rectifier Trane cabinets have the following main components. The
identification numbers provided correspond to the numbers used in figure 2.2.
Trane Cabinet M/N
Reliance
Liqui-Flo
Drive M/N
Frame
Size
Cabinet
Enclosure
Rating
Input
Power
(KVA)
Input
Current
(Amps)
Output
Current
at 2 kHz
(Amps)
Full Load
Power
Loss Watts
AFDB0643GA0A10 64L4060 C NEMA 1 555 667 643 9500
1.
Cabine
t
2.
Control Panel Assembly
3.
C-Frame Liqui-Flo Drive
4.
Liqui-Flo Power Module Adapter Board
- Provides the interface between the drive’s
electronics and power structure
5.
Liqui-Flo Bus Control Board
- Controls the drive’s power supplies and SCRs
6.
Liqui-Flo Regulator Board
- Controls overall drive operation
7.
Super Remote Meter Interface (RMI) Board
- Provides additional analog I/O (located
under the Regulator board)
8.
Coolant Lines -
(a) Outlet, (b) Inlet
9.
Motor Connection Studs (6) P/O CTV
10.
AC Input Bus Bars
(6-Pulse Rectifier)
11.
Current Transformers (3)
- Used by the Trane UCP2 Control Panel to monitor output
current
12.
1200 A Circuit Breaker
13.
4 KVA Transformer
- Steps down the 480 VAC input voltage to 115 VAC
14.
(3) Type RK-5 Fuses
- Protect the primary of the 4 KVA transformer - (1 fuse: 2 amp)
(2 fuses: 15 amp)
15.
(2) Type K5Fuses
- Protect the coolant pump’s reactor (1 fuse: 10 amp) and the Starter
module’s 115 VAC line (1 fuse: 30 amp)
16.
Terminal Block
- Provides termination points for cabinet I/O wiring
17.
Potential Transformers (3)
- Used by the Trane UCP2 Control Panel to measure the
480 VAC input voltage
18.
Trane Starter Module
- Interfaces the Liqui-Flo drive to the Trane UCP2 Control Panel
19.
Relay 2K1
- Circulating coolant pump motor interposing relay
20.
Relay 2K2
- Oil pump interposing relay
21.
Relay 2K3
- Run/stop function interposing relay
22.
50 VA Transformer 460VAC / 115VAC/ 24 VAC
- Supplies power to the Trane Starter
Module
23.
Fan
- Provides cooling for the DC bus reactor
24.
Removable Plate
- Provides chain hoist access
25.
Surge Suppressor