Figure 3, Dimensional data, 277v step-down transformer – Emerson Precision Cooling For Business-Critical Continuity Figure i User Manual
Page 9
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