Carrier WeatherExpert 48N2 Controls, Start-up, Operation, Service And Troubleshooting Instructions

Also see for WeatherExpert 48N2: Installation instructions Installation instructions Controls, start-up, operation, service, and troubleshooting Installation instructions

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Carrier WeatherExpert 48N2 Controls, Start-up, Operation, Service And Troubleshooting Instructions Manual pdf 94 page image

94Table 63 — Sensor Trim ConfigurationTable 64 — Switch Logic ConfigurationPost Filter Status Input - Clean (PFT.L) — The filter statusinput for clean filters is set for normally open. If a field-sup-plied filter status switch is used that is normally closed for aclean filter, change this variable to closed.IGC Feedback — Off (IGC.L) — The input for IGC feed-back is set for normally open for off. If a field-supplied IGCfeedback switch is used that is normally closed for feedbackoff, change this variable to closed.Remote Switch — Off (RMI.L) — The remote switch is setfor normally open when off. If a field-supplied control switchis used that is normally closed for an off signal, change thisvariable to closed.Enthaply Input — Low (ENT.L) — The enthalpy input is setfor normally closed when low. If a field-supplied enthalpyswitch is used that is normally open when low, change thisvariable to open.Fan Status Switch — Off (SFS.L) — The fan status switchinput is set for normally open for off. If a field-supplied fanstatus switch is used that is normally closed, change thisvariable to closed.Demand Limit Switch 1 — Off (DL1.L) — The demandlimit switch no. 1 input is set for normally open for off. If afield-supplied demand limit switch is used that is normallyclosed, change this variable to closed.Demand Limit Switch 2 — Off (DL2.L) — The demandlimit switch no. 2 input is set for normally open for off. If afield-supplied demand limit switch is used that is normallyclosed, change this variable to closed.IAQ Discrete Input — Low (IAQ.L) — The IAQ discrete in-put is set for normally open when low. If a field-supplied IAQdiscrete input is used that is normally closed, change this vari-able to closed.Fire Shutdown — Off (FSD.L) — The fire shutdown input isset for normally open when off. If a field-supplied fireshutdown input is used that is normally closed, change thisvariable to closed.Pressurization Switch — Off (PRS.L) — The pressurizationinput is set for normally open when off. If a field-supplied pres-surization input is used that is normally closed, change thisvariable to closed.Evacuation Switch — Off (EVC.L) — The evacuation inputis set for normally open when off. If a field-supplied evacua-tion input is used that is normally closed, change this variableto closed.Smoke Purge — Off (PRG.L) — The smoke purge input isset for normally open when off. If a field-supplied smoke purgeinput is used that is normally closed, change this variable toclosed.Dehumidify Switch — Off (DH.LG) — The dehumidify in-put is set for normally open when off. If a field-supplieddehumidify input is used that is normally closed, change thisvariable to closed.SF Bypass Switch — Off (SFB.L) — The Supply Fan by-pass switch is normally open when off. It allows operation ofthe supply fan through a bypass of the supply fan VFD.PE Bypass Switch — Off (PEB.L) — The Power Exhaustbypass switch is normally open when off. It allows for opera-tion of the exhaust fan through a bypass of the exhaust fanVFD.Display Configuration — The DISP submenu is usedto configure the local display settings. A list is shown inTable 65.Test Display LEDs (TEST) — This is used to test the opera-tion of the ComfortLink display.Metric Display (METR) — This variable is used to changethe display from English units to Metric units.Language Selection (LANG) — This variable is used tochange the language of the ComfortLink display. At this time,only English is available.ITEM EXPANSION RANGE UNITS CCN POINT DEFAULTTRIM SENSOR TRIM CONFIG.SAT.T Air Temp Lvg SF Trim -10 - 10 ^F SAT_TRIM 0RAT.T RAT Trim -10 - 10 ^F RAT_TRIM 0OAT.T OAT Trim -10 - 10 ^F OAT_TRIM 0SPT.T SPT Trim -10 - 10 ^F SPT_TRIM 0L.SW.T Limit Switch Trim -10 - 10 ^F LSW_TRIM 0CCT.T Air Temp Lvg Evap Trim -10 - 10 ^F CCT_TRIM 0DTA.1 A1 Discharge Temp Trim -10 - 10 ^F DTA1TRIM 0SP.A.T Suct.Press.Circ.A Trim -50 - 50 ^F SPA_TRIM 0SP.B.T Suct.Press.Circ.B Trim -50 - 50 ^F SPB_TRIM 0DP.A.T Dis.Press.Circ.A Trim -50 - 50 ^F DPA_TRIM 0DP.B.T Dis.Press.Circ.B Trim -50 - 50 ^F DPB_TRIM 0LP.A.T Lqd.Press.Circ.A Trim -50 - 50 ^F LPA_TRIM 0LP.B.T Lqd.Press.Circ.B Trim -50 - 50 ^F LPB_TRIM 0ITEM EXPANSION RANGE CCN POINT DEFAULTSW.LG SWITCH LOGIC: NO / NCPWS.L Power Fault Input - Good Open/Close PWRFLOGC CloseMFT.L Filter Status Input - Clean Open/Close FLTSLOGC OpenPFT.L Post Filter Stat. In-Clean Open/Close PFLTSLGC OpenIGC.L IGC Feedback - Off Open/Close GASFANLG OpenRMI.L RemSw Off-Unoc-Strt-NoOv Open/Close RMTINLOG OpenENT.L Enthalpy Input - Low Open/Close ENTHLOGC CloseSFS.L Fan Status Sw. - Off Open/Close SFSLOGIC OpenDL1.L Dmd.Lmt.Sw.1 - Off Open/Close DMD_SW1L OpenDL2.L Dmd.Lmt.Sw.2 - Off Open/Close DMD_SW2L OpenIAQ.L IAQ Disc.Input - Low Open/Close IAQINLOG OpenFSD.L Fire Shutdown - Off Open/Close FSDLOGIC OpenPRS.L Pressurization Sw. - Off Open/Close PRESLOGC OpenEVC.L Evacuation Sw. - Off Open/Close EVACLOGC OpenPRG.L Smoke Purge Sw. - Off Open/Close PURGLOGC OpenDH.LG Dehumidify Sw. - Off Open/Close DHDISCLG OpenSFB.L SF Bypass Sw. - Off Open/Close SFBYLOGC OpenPEB.L PE Bypass Sw. - Off Open/Close PEBYLOGC Open