Electrical Connections; Voltage Selection - Ametek 5920 UHP User Manual

Moisture analyzer for ultra-high purity gases
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Electrical Connections

Voltage Selection

The 5920 Analyzer comes from the factory set to operate on 115 VAC. If you
must switch the setting to 230 VAC (or back to the 115 VAC setting), follow the
procedure below.
To change the voltage setting (Figure 2-4):
1. Ensure that the area is non-hazardous and the analyzer has been de-ener-
2. Remove the Terminal Cover on the analyzer Rear Panel (Figure 2-2).
3. Select 115 or 230 VAC on the Voltage Selector (Item 10) located on the top
4. Replace Terminal Cover.
5. Clearly mark the operating voltage on the analyzer Serial No. label, located
Figure 2-4.
115 / 230 voltage selection
switch.
PN 592047901 Rev YC
This analyzer has an internal AC Voltage Selector that must be set
correctly to prevent damage. Only qualified service personnel may
access the interior of the analyzer. If qualified service personnel are not
available, contact AMETEK Service.
You must follow this procedure to prevent damage to/malfunction of
the analyzer.
gized and power disconnected
left-hand side of the User Interface board (Figure 2-4).
in the lower right-hand corner of the Rear Panel.
LINE VOLTAGE
10
Voltage
Selection
FUSE
Switch
L
N
G
1
2
3
TB1
TB2
DATA
CONC
SYSTEM
VALID
ALARM
ALARM
1
2
3
4
5
6
Installation and Start-Up
RS-485
TERMINATOR
ON
ON
TB3
ANALOG
OUTPUT
RD
TD
-
+
+
-
+
-
OUT
IN
7
8
9
10
11
12
13
14
|
2-11

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