Installation and Startup
WARNING: Be sure all power is off before proceeding.
Site Requirements
Ambient Temperature and Relative Humidity
The Chiller is designed for indoor installation in ambient temperatures between 5° and 35°C (41° and 95°F);
relative humidity should not exceed 80% (non-condensing).
Location
The Chiller should be installed on a strong, level surface. It should be located as close to possible to the
process requiring cooling. It should not be installed closer than 1.4 meters (4 feet) to a heat-generating
source, such as heating pipes, boilers, etc. If possible, the Chiller should be located near a suitable drain to
prevent flooding in the event of leaks. Do not place it where corrosive fumes, excessive moisture, excessive
dust, or high room temperatures are present.
NOTE: The Chiller may be located at a level below that of the equipment being cooled. As long as
the process remains closed, overflow will not occur when adding cooling fluid to the Chiller
reservoir.
Clearance
Adequate clearance should be allowed on the front, sides, top, and rear of the Chiller for access to
connections and components. The front and side vents of the Chiller must be a minimum of 21 cm (8 inches)
away from walls or vertical surfaces so air flow is not restricted.
Electrical Power
An IEC power cord is provided with the Chiller. It should be attached to the receptacle on the rear of the
enclosure. Make sure that the power outlet used for the Chiller is properly grounded and matches the voltage
and frequency indicated on the identification label on the back of the Chiller.
To help prevent voltage drops, position the Chiller as close as possible to the power distribution panel. Avoid
voltage drops by using a properly grounded power outlet wired with 14 gauge or larger diameter wire.
The use of an extension cord is not recommended. However, if one is necessary, it must be properly grounded
and capable of handling the total wattage of the unit. The extension cord must not cause more than a 10%
drop in voltage to the Chiller.
WARNING: DO NOT plug the Chiller into the electrical outlet until the unit is ready for Startup.
Optional RS232 Serial Output
This option allows you to remotely control the Chiller and/or output temperature readings to an external
recorder or other auxiliary device. The maximum communications distance for Chillers equipped with the
RS232 option is 15 meters (50 feet). A 9-pin D-connector is provided on the rear of the instrument enclosure
for this connection. See the
Technical Information
section (page 18) for the RS232 serial communication
protocol.
5
110-445
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