Liquiline CM442R/CM444R/CM448R Installation
Endress+Hauser 15
4.4.3 cETLus NI Cl. I, Div. 2 (CM444R and CM448R only)
• Conforms to UL STD 61010-1, ANSI/ISA STD 12.12.01, FM STD 3600 and FM STD 3611
• Certified to CSA STD C22.2 NO. 61010-1 and CSA STD C22.2 NO. 213
• ETL control number: 5000765
5Installation
5.1 Installation conditions
5.1.1 Mounting on DIN rail in accordance with IEC 60715
Power unit can become very hot when operating at full load
Danger of burns
‣ Avoid touching the power unit when it is in operation.
‣ The required minimum distances from other devices must be strictly observed.
‣ Once you have switched off the power unit, wait until it has cooled down before carrying out
any work on it.
Unpermitted moisture in the device
Puts the user's safety at risk
‣ The device has shock protection in accordance with IP20. Moisture must not be allowed to
collect in the device.
‣ Observe the specified ambient conditions e.g. by installing in an appropriate enclosure.
Incorrect mounting location in control cabinet, distances not observed
Possible functional failures due to heat buildup, interference from neighboring devices
‣ Do not place the device directly above heat sources. The temperature specifications must be
strictly observed.
‣ The components are designed for cooling through convection. Avoid heat buildup and
ensure that openings are not covered e.g. by cables lying on top of them.
‣ Observe the specified distances from other devices.
‣ Keep the device physically separate from frequency converters and high-voltage devices.
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