Omega Engineering CYD201, Operator'S Manual

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OMEGA Model CYD201/CYD208 User’s Manual
5-4 Service
5.5 FUSE REPLACEMENT
WARNING: To prevent shock hazard, turn off instrument and
disconnect it from AC line power and all test equipment before
replacing fuse.
1. Turn POWER switch Off and disconnect power cord from unit.
Disconnect all test equipment from unit.
2. Remove all screws from rear panel. Gently pull away rear panel and
remove enclosure cover by sliding it to the back.
3. Remove fuse with a fuse puller. The fuse is located behind the
transformer as shown in Figure 5.3.
4. Replace with a 0.2 A fuse for 110 V (115 VAC) operation or a 0.1 A fuse
for 220 V (230 VAC) operation. Use slow blow fuses.
CAUTION: Replace fuse with the same type and rating as specified by
the line voltage selected.
5. Replace enclosure cover, rear panel, and all screws.
5.6 Line Voltage Configuration
The rear-panel, 3-pronged line power connector permits Model
CYD201/CYD208 operation at either 110 or 220 VAC. The configuration is
indicated on rear panel in the Line Voltage Selection Block. Use the
procedure below to change line voltage.
WARNING: To prevent shock hazard, turn off instrument and
disconnect it from AC line power and all test equipment before
changing line voltage configuration.
1. Turn power switch OFF and disconnect the power cord from the unit.
Disconnect all test equipment from unit.
2. Remove all screws from rear
panel. Gently pull away rear
panel and remove enclosure
cover by sliding it to the back.
3. Modify jumper configuration to
desired line voltage (see
Figure 5-3).
4. Replace fuse to match new
voltage requirements.
5. Replace enclosure cover, rear
panel and all screws.
Figure 5-3 Line Voltage
Jumper Configuration