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Table 4. Home screen features (continued)
Feature
5 - Setpoint
6 - Controlled Temperature
Reading
7 - System Temperature
Sensors Reading
8 - System Status
9 - System Mode
10 - Module/Compressor
Status
ARTC-SVX009A-EN
Description
Calls up cooling/heating setpoint pop-up screens respectively depending on the mode. Accessible for 'tech' only. These dialog
boxes display the resulting cooling/heating setpoint used for machine temperature control.
Note: The only box on these pop-ups accessible for 'tech' user. The other settings are view-only.
Figure 15. Cooling setpoint
Figure 16. Heating setpoint
Based on chilled water entering/leaving temperatures for Cooling Mode and hot water temperatures entering/leaving for
Heating Mode.
Possible Options:
•
System ON – system is operational and is not off by any of the conditions listed below.
•
Phase Alarm – system is off by Phase Alarm.
•
OFF by DI – System is off by opened state of primary PLC DI1 if corresponding option applies.
•
OFF by Switch – System is off by software switch. It can be turned on/off either from Home Screen (button marked 11 on
Figure 13, p.
27), which all users have access to. It can also be turned on/off from BAS (Building Automation System).
•
OFF by switching to Cooling – System is off and is switching over to Cooling Mode.
•
OFF by switching to Heating – System is off and is switching over to Heating Mode.
•
OFF by switching Mode – System is off and is going through a change of a major parameter. For instance, Number of
Refrigeration Circuits, Number of Fan Banks etc.
•
OFF by Low Ambient – System is off by Low Ambient Temperature cutout.
•
OFF by Hot Water – System is off by Hot Water cutout.
•
OFF by BMS – System is off by Building Management System.
•
OFF by High Transformer Temperature – System is off due to overheated chiller bank transformer.
Indicates heat pump thermal mode: Cooling or Heating.
•
Modules Online/Avail/Setup – Number of modules communicating with Primary Module including Primary Module/available
for Primary/Secondary temperature control and number of modules set up for Primary/Secondary temperature control.
•
Comp Run/Avail – Number of compressors currently running and number of compressors available for Primary/Secondary
temperature control.
•
Comp Demand and Demand – Cooling or Heating Demand value in number of requested compressors as well as
continuous value in %. There is also a bar graph representation of Cooling or Heating Demand beside the % value.
Operating Procedures
29
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