TABLE OF CONTENTS nVent Cooling Sales and Service Contacts ................................4 Warranty and Return Policy ....................................4 CE Declaration of Conformity ....................................5 Receiving The Air Conditioner ....................................9 Handling and Testing The Air Conditioner ................................9 PHASE MONITOR (460v Only) ................................9 How to Read Model Numbers ....................................
Damage evident upon receipt should be noted on the freight bill. Damage should be brought to the attention of the delivering carrier -- NOT to nVent Equipment Protection -- within 15 days of delivery. Save the carton and packing material and request an inspection. Then file a claim with the delivering carrier.
NOTE: Do not reduce the time delay setting on the controller to less than 120 seconds. This may cause the compressor to cycle too rapidly, shortening the life of the compressor. SMART CONTROLLER (GENERAL ALARMS) See nVent Cooling Sales and Service Contacts on page 4 REMOTE ACCESS CONTROL (OPTIONAL) See Electronic Controlling Section on page 13–24 DOOR SWITCH If a door switch is available, connect it to the terminals marked WHT/DS1 and WHT/DS2.
All alarms are outputted through the alarm relay. In addition, if nVent HOFFMAN network card (Remote Access Control (RAC) Module) is used the parameters that state above and alarms are accessible remotely through Ethernet connection utilizing SNMP, Modbus TCP, EtherNet/IP, and Profinet protocol .
There are seven possible alarms (non-latching) detectable by the controller and are indicated on the controller display. All alarms are accessible locally. If a nVent HOFFMAN network card (RAC module) is used, alarms are also accessible remotely through the Ethernet and USB connection.
6) All temperature setpoints and alarms can be viewed remotely if one of the ACUs is equiped with nVent HOFFMAN network card (RAC module). 7) Best recommendation is to configure the ACU that has nVent HOFFMAN network card to be the primary one...
Air conditioners that include the optional nVent HOFFMAN network card (RAC module) have remote communication capabilities utilizing SNMP, Modbus TCP, EtherNet/IP, Profinet Protocol via Ethernet connection, and Modbus RTU protocol via USB connection. nVent provides Windows interface application software that is available to download free from nVent support link: https://go.nVent.com/remote-access-control-support-center.
HOFFMAN air conditioners both domestically and globally at one central location at user’s own pace, so long as all air conditioners are configured in the same subnet in the network. nVent HOFFMAN PC Interface Tool also supports text message and email alerting to a service technician when an alarm occurs. In addition, the tool also provides data logging capability for data analysis.
• In the nVent HOFFMAN A.C. Monitor screen, click on Tools on the main menu • In the dropdown window, check the Use Ethernet and notice that Comm Port is now disabled • Select Single ACU Monitor tab, in the window click on the Device IP box and type the IP address that need to communicate to the network card •...
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