Carrier 50FF Series Control Manual
Also see for 50FC Series: Installation, operation and maintenance instructionsControls, Start-Up, Operation and TroubleshootingUser manualService and maintenance instructionsInstallation, operation and maintenance instructions
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18There are different procedures for starting / stopping the unit:• By keyboard (from the terminal):This procedure is always valid. If the unit is stopped from theterminal, it cannot be started using any of the other procedures.If the unit has stopped, all the functions and the differentvariables are disabled.The ON / OFF function can be carried out:* On the Graphic terminal:From the MAIN MENU, in the group A. GENUNIT.* On the User terminal (optional):By pressing the key .When the unit is stopped, the display will onlyshow the date, time and the OFF symbol.PM01Unit off / onby keyboard:ON6 - STARTING / STOPPING THE UNITIt can also be done from the keyboard of the terminal, bysimultaneously pressing the keys for a few seconds.• By digital input (remote On/Off):• By time phase (with scheduling):From the MAIN MENU, in the group of screens L. SCHEDULE,the unit can be stopped outside of the schedule.Important: The “remote On/Off” must be disabled for maintenancetasks.U18a1Enabling remoteOn/Off: YRemote Off withPROTECTION mode: YPM01Unit off / onby keyboard:ONNote: The “On/Off by keyboard” always has priority over the“remote On/Off”.When the unit is stopped by “remote On/Off”, it is also possibleto enable the automatic unit start when a temperature setpointfor PROTECTION of the building is reached.The “remote On/Off” can only be done if the option “On” isselected on the screen PM01.The “remote On/Off” is carried out by means of the digital inputDI7 of connector J4:- open contact: unit OFF- closed contact: unit ONNote: To activate the remote off/on the bridge made in this inputmust be eliminated (see wiring diagram)This procedure must be enabled on the group of screens I.USERCONFIG (protected by level 2 password).The “On/Off by time phase” can only be done if the option “On”is selected on the screen PM01.PH03Start type'ON-OFF schedule'Note: See the different types of schedules in the chapter of“Schedule programming”.Important: If the procedures of “remote On/Off” and “On/Off bytime phase” are simultaneously active, the unit will start onlyif both agree.PM01Unit off / onby keyboard:ONImportant: If the procedures of “On/Off by time phase” and“remote On/Off” are simultaneously active, the unit will startonly if both agree.Press the key, the following screen is reached:Main menu 01/15GENUNITHCCONFIGSETPOINTBCAMNLMain menu 12/15SCHEDULEALARMSGENTEST |
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