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Figure 3, Dimensional data, 277v step-down transformer – Emerson Precision Cooling For Business-Critical Continuity Figure i User Manual

Page 9

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Installation

5

Figure 3

Dimensional data, 277V step-down transformer

DPN000647
REV. 0

Notes:
1. 1D18214P1 = Acme catalog no. T-1-37921 for all small systems except 3-ton Liebert DataMate
with integral condenser.
2. 1D18214P2 = Acme catalog no. T-1-37922 for 3-ton Liebert DataMate with integral condenser.
3. Epoxy coated. Suitable for indoor/outdoor service. Horizontal- or vertical-mount.
Totally enclosed, non-ventilated.
4. Both brackets are shipped loose with transformer.

WIRING FOR TRANSFORMER

WALL MOUNTING

RIGID MOUNTING

4.92"

(125mm)

5.5"

(140mm)

.281" (7mm) Dia.
For wall mounting

1D18214P1

10.3" (262mm)

1D18214P2

11.68" (297mm)

Remove screws &
attach bracket

Access to electrical
connections from
bottom

.31" (8mm) Dia.
For rigid mounting
and shipping

1/4-20 (2 screws &
lock washers) for
rigid mounting and
shipping

277V line voltage

Jumpers

H4

H3

H2

H1

X4

X3

X1

X2

230V to unit

Notes:
1. Jumper as shown.
2. Connect 277V line to H4 and X1
3. Connect 230V load to H1 and H4