Carrier SYSTEM PILOT 33PILOT-01 Owner's Manual

Also see for SYSTEM PILOT 33PILOT-01: Installation and operation instructions

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6the set points if the set point units are degrees, otherwise, theywill be ignored.The System Pilot's internal limits will not affect the display.The System Pilot reads the set points from the device anddisplays them as read, even if they are outside the configuredSystem Pilot limits.Pressing SELECT while a set point is blinking sends thenew set point to the controller. Before sending the new set pointto the device, the System Pilot will clamp the set point to itsown internal limits and will display the clamped set point onthe screen. If clamping a set point results in a value that is out-side the limits read from the device, the System Pilot will dis-play an error indication (“LIMIT”) and will not write the setpoint to the device.Pressing EXIT while a set point is blinking will cause theSystem Pilot to revert to the original set point. Changing the setpoint without pressing SELECT or EXIT for 15 seconds willalso cause the System Pilot to write the new set point to thecontroller.The System Pilot will not write set points to the controllerunless they have been changed from their original values.Occupancy Override — To initiate an override fromthe Zone Controller Default Screen (if the Zone Controller’soccupancy status is UNOC), press the SELECT button forless than 3 seconds. The occupancy status will begin to blink.While the occupancy status is blinking, use the INC/DECbuttons or the MODIFY rotary knob to adjust the occupancystatus. If the occupancy status is changed to OCC and thenSELECT is pressed, the System Pilot sends the occupancyoverride to the Zone Controller.If the occupancy status has been changed and the user doesnot press SELECT or EXIT within 15 seconds, the System Pilotwill send the occupancy override to the controller and the occu-pancy status will stop blinking. If the occupancy status has notbeen changed, the System Pilot will not send occupancy status.If the user presses EXIT while the occupancy status isblinking, the System Pilot will revert to the UNOC status. TheSystem Pilot will not change the Zone Controller's occupancystatus.If communication to the Zone Controller fails, the SystemPilot will display “COMFAIL” on the bottom line for 5 seconds.NOTE: An occupancy override from the System Pilot will besummed into the Tenant Billing Option’s accumulation ofoverride times. The occupancy override function is not avail-able if the System Pilot is set to security level 4.Alternate Maintenance Table — To display the Sys-tem Pilot Alternate Maintenance Table (ALT_DISP), press theSELECT button for at least 3 seconds from the Zone ControllerDefault Screen. The System Pilot will display the LinkageController or zone controller Alternate Maintenance Tableshown in Fig. 12, depending on whether or not the attachedZone Controller has been designated as a Linkage Coordinator(in the Zone Controller’s Linkage Configuration [LINKAGE]Table).If the Zone Controller is not a Linkage Coordinator, theALT_DISP table will simply display the zone controller’sPoints Display Table (POINTS) values. If the Zone Controlleris a Linkage Coordinator, the ALT_DISP table will display thezone controller’s Points Display Table values followed by theMaster Zone Maintenance Table (MZNMAINT) values.NOTE: The user will not be able to force any values from thistable regardless of whether the same point is forcible from anyother table.Use the SCROLL UP/DOWN, NAVIGATE, or PAGE UP/PAGE DOWN buttons to scroll through the table. Pressing theEXIT button causes the System Pilot to return to the ZoneController Default screen.Bus Scan — If the PAGE UP and PAGE DOWN buttonsare pressed at the same time for 3 seconds and if the attacheddevice is a Linkage Coordinator, then the System Pilot willdisplay the Bus Scan screen. See Fig. 13.NOTE: If the attached device is not a Linkage Coordinator, theSystem Pilot will ignore this button combination.Approximately every sixty seconds, the Linkage Coordinatorattempts to communicate with its associated Zone Controllers,optional Bypass Controller, and optional Air Source. The statusof this communication attempt is shown in the Bus Scan screen.The top line shows the title “3V Bus Scan: NNN,” whereNNN is the bus number of the attached device. The next line isthe data header, which is shaded gray. The rest of the screenshows the following data from the scanned devices: deviceaddress (Addr), device type (DevType), alarm flag (Alm) andstatus (Stat).The alarm flag will be Yes if there are outstanding alarms inthe device’s alarm history table and No otherwise. The statuscolumn will display Zone Controller’s space temperature, By-pass Controller’s duct temperature, or “Fail” if the Linkage Co-ordinator is unable to communicate with the device. The alarmflag and status will be dashes (“----“) for non-3V devices. Tem-peratures will be displayed with one decimal place. Values of–40.0 and 245.0 F will be displayed for open and shortedsensors.Use the SCROLL UP/DOWN, NAVIGATE or PAGE UP/PAGE DOWN buttons to scroll through the list of devices.Fig. 12 — System Pilot AlternateMaintenance Tables

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