Orange County NC Website
DocuSign Envelope ID: 9826C043- 4C32- 49CD- A4CC- DC28ABAB7CE7 <br />SECTION 239500 - MULTI - INDOOR VRV SYSTEM <br />j. System status icons shall display On /Off (color coded), Malfunction /Error <br />(color coded), Forced Stop, Setback, Filter, Maintenance, and Screen Lock. <br />k. The controller shall display the temperature setpoint in one degree incre- <br />ments with a range of 60 °F — 90 °F, 1 °F basis (16 °C — 32 °C, 0.1 °C basis). <br />1) Display of temperature setpoint information shall be configurable for <br />Fahrenheit or Celsius <br />1. Display shall reflect room temperature in one tenth degree increments with a <br />range of -58 °F — 248 °F, 0.1 °F basis ( -50 °C — 120 °C, 0.10C basis) with 0.10C <br />accuracy. <br />1) Display of room temperature information shall be configurable for Fahr- <br />enheit or Celsius <br />m. The Menu List shall be used to configure options and display information for <br />each Area or Group. <br />n. Error status shall be displayed in the event of system abnormality /error with <br />one of three color coded icons placed over the indoor unit icon or lower task <br />ba r. <br />1) System errors are generated when the intelligent Touch Manager sys- <br />tem with other VRV controls systems are combined incorrectly or power <br />proportional distribution calculation errors occur. The intelligent Touch <br />Manager shall display the error with a red triangle placed on the lower <br />task bar. <br />2) Unit errors occurring within the VRV system shall be displayed with a <br />yellow triangle placed over the indoor unit icon <br />3) Limit errors are based upon preconfigured analog input upper and lower <br />limit settings and are generated when the limits have been met. When <br />limit error is generated a yellow triangle will be placed over the unit icon. <br />4) Communication errors between the intelligent Touch Manager and the <br />indoor units shall be displayed with a blue triangle placed over the indoor <br />unit icon <br />5) Error history shall be available for viewing for up to 500,000 er- <br />rors /abnormality events with operation events. <br />o. Layout View <br />1) Capable of displaying site floor plan or graphical user interface (GUI) as <br />the background for visual navigation. Indoor unit, Dill -Net Di and Dio, <br />and External Di, Do, Ai, Ao, Av, Mi, Mo, My icons with operational status <br />can be placed on the floor layout or GUI <br />i) Up to 4 status points can be assigned to the indoor unit icon (room <br />name, room temperature, setpoint, and mode) <br />ii) Digital input and output icons will display On /Off status <br />iii) Analog icons will display Ai, Ao and Av. <br />iv) Multistate icons will display Mi, Mo and Mv. <br />2) Up to 60 floor layout sections can be created <br />3. Basic Operation: <br />a.Capable of controlling by Area(s) or Group(s) <br />b. Controller shall control the following group operations: <br />Reece, Noland & McElrath, Inc. 239500-71 Orange County Board of Elections <br />Orange Co., NC 05/04/18 <br />