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2
C H A P T E R
O
PERATION
This chapter describes how to install, adjust, and operate the LDT-5500B Series
Temperature Controller. It is divided into sections covering installation,
familiarization and adjustment, and normal operating procedures.
This chapter also gives an overview of the LDT-5500B's front panel features, and
it presents a guide to quickly familiarize the user with the front panel operations.
Installation procedures and considerations are also covered in this chapter.
AC Power Considerations
The LDT-5500B Series Controllers can be configured to operate at nominal line
voltages of 100, 120, and 230 VAC (±10%). This is done at the factory and need
not be changed before operating the instrument. However, check to be sure that
the voltage indicated on the back panel of the instrument matches the power-line
voltage in your area. Please note that the output power of the LDT-5545B is
reduced to 40W at 100 VAC line voltage input.
To avoid electrical shock hazard, connect the instrument to properly earth-grounded, 3-
prong receptacles only. Failure to observe this precaution can result in severe injury or
death.
Rack Mounting
The LDT-5500B Series Temperature Controller may be rack mounted by installing
a rack mount flange on either side of the enclosure. All rack mount accessory kits
contain detailed mounting instructions. Refer to Chapter 1 for applicable rack
mount accessory part numbers.
7
LDT-5500B Series
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Troubleshooting
