6.73 zone
@zone[1..].
| Name | Input? | Runtime? | Type | Variability | Description |
|---|---|---|---|---|---|
| name | X | X | string | constant | – |
| znModel | X | X | integer number | input time | – |
| znArea | X | X | number | input time | – |
| znVol | X | X | number | input time | – |
| floorZ | X | X | number | input time | – |
| ceilingHt | X | X | number | run start time (of each phase, autoSize or simulate) | – |
| znCAir | X | X | number | input time | – |
| HIRatio | X | X | number | run start time (of each phase, autoSize or simulate) | – |
| znAzm | X | X | number | input time | – |
| plenumRet | X | X | integer number | input time | – |
| znSC | X | X | number | hourly | – |
| znTH | X | X | number | subhourly | – |
| znTD | X | X | number | subhourly | – |
| znTC | X | X | number | subhourly | – |
| znQMxH | X | X | number | hourly | – |
| znQMxHRated | X | X | number | run start time (of each phase, autoSize or simulate) | – |
| znQMxC | X | X | number | hourly | – |
| znQMxCRated | X | X | number | run start time (of each phase, autoSize or simulate) | – |
| loadMtri | X | X | integer number | run start time (of each phase, autoSize or simulate) | – |
| rsi | X | X | integer number | run start time (of each phase, autoSize or simulate) | – |
| hcFrcF | X | X | number | hourly | – |
| hcAirX | X | X | number | end of each subhour | – |
| xfanFOn | X | X | number | hourly | – |
| xfan.fanTy | X | X | unrecognized | autosize and simulate phase start time | – |
| xfan.vfDs | X | X | number | end of each subhour | – |
| xfan.vfDs_As | X | X | number | autosize and simulate phase start time | – |
| xfan.vfDs_AsNov | X | X | number | autosize and simulate phase start time | – |
| xfan.vfMxF | X | X | number | autosize and simulate phase start time | – |
| xfan.press | X | X | number | run start time (of each phase, autoSize or simulate) | – |
| xfan.eff | X | X | number | run start time (of each phase, autoSize or simulate) | – |
| xfan.shaftPwr | X | X | number | run start time (of each phase, autoSize or simulate) | – |
| xfan.elecPwr | X | X | number | run start time (of each phase, autoSize or simulate) | – |
| xfan.motTy | X | X | unrecognized | run start time (of each phase, autoSize or simulate) | – |
| xfan.motEff | X | X | number | autosize and simulate phase start time | – |
| xfan.motPos | X | X | unrecognized | autosize and simulate phase start time | – |
| xfan.curvePy.k[0] | X | X | number | autosize and simulate phase start time | – |
| xfan.curvePy.k[1] | X | X | number | autosize and simulate phase start time | – |
| xfan.curvePy.k[2] | X | X | number | autosize and simulate phase start time | – |
| xfan.curvePy.k[3] | X | X | number | autosize and simulate phase start time | – |
| xfan.curvePy.k[4] | X | X | number | autosize and simulate phase start time | – |
| xfan.curvePy.k[5] | X | X | number | autosize and simulate phase start time | – |
| xfan.mtri | X | X | integer number | input time | – |
| xfan.endUse | X | X | integer number | autosize and simulate phase start time | – |
| xfan.ausz | X | X | integer number | run start time (of each phase, autoSize or simulate) | – |
| xfan.outPower | X | X | number | subhourly | – |
| xfan.airPower | X | X | number | subhourly | – |
| xfan.cMx | X | X | number | end of each subhour | – |
| xfan.c | X | X | number | end of each subhour | – |
| xfan.t | X | X | number | end of each subhour | – |
| xfan.frOn | X | X | number | end of each subhour | – |
| xfan.p | X | X | number | end of each subhour | – |
| xfan.q | X | X | number | end of each subhour | – |
| xfan.dT | X | X | number | end of each subhour | – |
| xfan.qAround | X | X | number | end of each subhour | – |
| infAC | X | X | number | hourly | – |
| infELA | X | X | number | hourly | – |
| infShld | X | X | integer number | input time | – |
| infStories | X | X | integer number | input time | – |
| eaveZ | X | X | number | run start time (of each phase, autoSize or simulate) | – |
| windFLkg | X | X | number | subhourly | – |
| afMtri | X | X | integer number | run start time (of each phase, autoSize or simulate) | – |
| xsurf1 | – | X | integer number | run start time (of each phase, autoSize or simulate) | Chain head (xsrat subscr) of zone’s xsurfs: surface/window/perim/masswall info. next: xsrat.nxxsurf. |
| xsSpecT1 | – | X | integer number | run start time (of each phase, autoSize or simulate) | 0 or chain head of zn’s xsurfs with .sfexcnd==c_excndch_spect: used hourly. next: xsrat.nxxsspect. |
| tu1 | – | X | integer number | run start time (of each phase, autoSize or simulate) | Head of chain of zone’s terminals: 0 or tub subscript. next: tu.nxtu. |
| zhx1 | – | X | integer number | run start time (of each phase, autoSize or simulate) | Chain head of zone’s zhx’s (zone hvac xfers): 0 or zhxb subscript. next: zhx.nxzhx4z. |
| zhx1St | – | X | integer number | run start time (of each phase, autoSize or simulate) | … zone’s cmstxx (tstat-ctrl’d) zhx’s. next: zhx.nxzhzst4z. |
| airTerminalCount | – | X | integer number | run start time (of each phase, autoSize or simulate) | # of terminals serving this zone that can supply air |
| anPathLenToAmbient | – | X | integer number | run start time (of each phase, autoSize or simulate) | Zone shortest path length to ambient pressure |
| anVentCount[0] | – | X | integer number | run start time (of each phase, autoSize or simulate) | Count of airnet vents connected to this zone |
| anVentCount[1] | – | X | integer number | run start time (of each phase, autoSize or simulate) | Count of airnet vents connected to this zone |
| anVentCount[2] | – | X | integer number | run start time (of each phase, autoSize or simulate) | Count of airnet vents connected to this zone |
| znSCF | – | X | integer number | run start time (of each phase, autoSize or simulate) | Non-0 if i.znsc given by user; 0 to default shade closure in cnloads.cpp |
| stackc | – | X | number | run start time (of each phase, autoSize or simulate) | Stack coefficient for zone height (sherman-grimsrud model) |
| windc | – | X | number | run start time (of each phase, autoSize or simulate) | Wind coefficient for zone height and shielding (sherman-grimsrud model) |
| rIgDistNAl | – | X | integer number | run start time (of each phase, autoSize or simulate) | 0 or number of allocated entries in… |
| rIgDistN | – | X | integer number | run start time (of each phase, autoSize or simulate) | 0 or number of used entries in… |
| rIgDist | – | X | unrecognized | run start time (of each phase, autoSize or simulate) | Null or ptr to heap array of distrubution info for rad int gain originating in zone. |
| surfA | – | X | number | run start time (of each phase, autoSize or simulate) | Total surface area in zone, ft2 (surfaces, doors, windows, ducts) |
| surfASlr | – | X | number | run start time (of each phase, autoSize or simulate) | Total “short wave” surface area in zone, ft2 |
| ductA | – | X | number | run start time (of each phase, autoSize or simulate) | Total duct surface area in zone, ft2 (included in zn_surfa) |
| surfEpsLWAvg | – | X | number | run start time (of each phase, autoSize or simulate) | Area-weighted surface lw emissivity = sum( surfarea * surfepslw) / zn_surfa |
| airRadXC1 | – | X | number | run start time (of each phase, autoSize or simulate) | Constants re zn_airradxarea calc |
| airRadXC2 | – | X | number | run start time (of each phase, autoSize or simulate) | – |
| airRadXArea | – | X | number | run start time (of each phase, autoSize or simulate) | Area of air “surface”, ft2 |
| FAir | – | X | number | run start time (of each phase, autoSize or simulate) | Air f “view factor” (constant during simulation) |
| airCxF | – | X | number | end of each hour | Air factor for zn_cxsh re lw exchange |
| airCx | – | X | number | end of each subhour | Air contribution to zn_cxsh, btuh/f |
| rmTrans[0] | – | X | number | end of each hour on 1st day of month/run | Area-weighted summed diffuse transmissivity of windows in zone, |
| rmTrans[1] | – | X | number | end of each hour on 1st day of month/run | Area-weighted summed diffuse transmissivity of windows in zone, |
| rmAbs | – | X | number | end of each hour on 1st day of month/run | Sum of area-weighted solar (sw) absorptivity for opaque room surfaces (dimensionless). |
| adjRmAbs[0] | – | X | number | end of each hour on 1st day of month/run | Rmabs adjusted for reflected energy that goes out windows (m-h): |
| adjRmAbs[1] | – | X | number | end of each hour on 1st day of month/run | Rmabs adjusted for reflected energy that goes out windows (m-h): |
| rmAbsCAir | – | X | number | end of each hour on 1st day of month/run | Sum of area-weighted absorptivity for non-massive room surfaces |
| cavAbsCAir[0] | – | X | number | end of each hour on 1st day of month/run | Zone cair cavity absorptance === portion insolation to no particular surface |
| cavAbsCAir[1] | – | X | number | end of each hour on 1st day of month/run | Zone cair cavity absorptance === portion insolation to no particular surface |
| sgfCavBm[0] | – | X | number | end of each hour on 1st day of month/run | Zone’s solar gain factors from its windows not explicitly targeted for hour, |
| sgfCavBm[1] | – | X | number | end of each hour on 1st day of month/run | Zone’s solar gain factors from its windows not explicitly targeted for hour, |
| sgfCavDf[0] | – | X | number | end of each hour on 1st day of month/run | .. to be distributed amoung surface and cair sgr entries after accumulation. |
| sgfCavDf[1] | – | X | number | end of each hour on 1st day of month/run | .. to be distributed amoung surface and cair sgr entries after accumulation. |
| sgSaBm[0] | – | X | number | end of each hour on 1st day of month/run | Cair adjustments to above for gains getting to other side of (quick) surface or |
| sgSaBm[1] | – | X | number | end of each hour on 1st day of month/run | Cair adjustments to above for gains getting to other side of (quick) surface or |
| sgSaDf[0] | – | X | number | end of each hour on 1st day of month/run | .. lost to outdoors due to surface film vs conductance thru (quick) surface |
| sgSaDf[1] | – | X | number | end of each hour on 1st day of month/run | .. lost to outdoors due to surface film vs conductance thru (quick) surface |
| sgfCAirBm[0] | – | X | number | end of each hour on 1st day of month/run | Beam solar gain factor this hour to zone cair |
| sgfCAirBm[1] | – | X | number | end of each hour on 1st day of month/run | Beam solar gain factor this hour to zone cair |
| sgfCAirDf[0] | – | X | number | end of each hour on 1st day of month/run | Diffuse .. these are multipliers for wthr data, later, via sgr |
| sgfCAirDf[1] | – | X | number | end of each hour on 1st day of month/run | Diffuse .. these are multipliers for wthr data, later, via sgr |
| uaSpecT | – | X | number | run start time (of each phase, autoSize or simulate) | Ua to specified temps (excnd=spect surfaces), for zn_bcon. set/used only in cnguts.cpp. |
| ua | – | X | number | run start time (of each phase, autoSize or simulate) | Overall loss to ambient (sum uval*area), constant for run, for zn_bcon and zn_aqldhr. btuh/f. |
| UANom | – | X | number | run start time (of each phase, autoSize or simulate) | Ua to ambient based on surface unom (derived with default surf conductances), btuh/f |
| ductCondUANom | – | X | number | run start time (of each phase, autoSize or simulate) | Nominal total ua of ducts in zone, btuh/f (due to conduction, not air leakage) |
| haMass | – | X | number | run start time (of each phase, autoSize or simulate) | Total ha (surf conductance * area) to mass (btuh/f) |
| BGWallPerim | – | X | number | run start time (of each phase, autoSize or simulate) | Total below grade wall perimeter, ft |
| BGWallPA4 | – | X | number | run start time (of each phase, autoSize or simulate) | Sum (perim*a4) |
| BGWallPA5 | – | X | number | run start time (of each phase, autoSize or simulate) | Sum (perim*a5) |
| qSgTot | – | X | number | end of each hour | Hour total solar gain to some |
| sgTotTarg.bm | – | X | number | end of each subhour | – |
| sgTotTarg.df | – | X | number | end of each subhour | – |
| sgTotTarg.tot | – | X | number | end of each subhour | – |
| qrIgTot | – | X | unrecognized | end of each hour | Total originating in this zone: redundant total for energy balance check only. |
| qrIgTotO | – | X | unrecognized | end of each hour | Subtotal lost to outdoors thru light surfaces, to show in zeb rpt as -cond. |
| qrIgTotIz | – | X | unrecognized | end of each hour | Net subtotal to other zones thru light surfaces, to show in zeb rpt as -izone. |
| qrIgAir | – | X | unrecognized | end of each hour | Rad int gain to this zone’s cair (for light surfaces/windows), for zn_aqldhr. 11-95. |
| qrIgMs | – | X | number | end of each hour | Rad int gain to mass sides in this zone, for energy balance, set in cnloads. 11-95. |
| znSGain | – | X | number | end of each hour | – |
| znLGain | – | X | number | end of each hour | – |
| znLitDmd | – | X | number | end of each hour | – |
| znLitEu | – | X | number | end of each hour | – |
| znXLGain | – | X | number | end of each subhour | – |
| znXLGainLs | – | X | number | end of each subhour | – |
| bcon | – | X | number | run start time (of each phase, autoSize or simulate) | Portion of b constant for run: ua + uaspect. setup time. |
| qMsSg | – | X | number | end of each subhour | – |
| qSgAir | – | X | number | end of each subhour | Subhour’s solar gain rate (btuh) to air |
| sgAirTarg.bm | – | X | number | end of each subhour | – |
| sgAirTarg.df | – | X | number | end of each subhour | – |
| sgAirTarg.tot | – | X | number | end of each subhour | – |
| qSgTotSh | – | X | number | end of each subhour | – |
| sgTotShTarg.bm | – | X | number | end of each subhour | – |
| sgTotShTarg.df | – | X | number | end of each subhour | – |
| sgTotShTarg.tot | – | X | number | end of each subhour | – |
| qIzXAnSh | – | X | number | end of each subhour | Subhourly gain due to non-airnet izxfers (btuh, +=into zone) |
| qIzSh | – | X | number | end of each subhour | Subhourly part of interzone gain rate (btuh, +=into zone) |
| pz0W[0] | – | X | number | end of each subhour | Working zone pressures relative to patm at nominal z=0, lbf/sf |
| pz0W[1] | – | X | number | end of each subhour | Working zone pressures relative to patm at nominal z=0, lbf/sf |
| pz0 | – | X | number | end of each subhour | Final zone pressure relative to patm at nominal z=0, lbf/sf |
| ventUt | – | X | integer number | end of each subhour | Vent utility for this substep |
| qDuctCondAir | – | X | number | end of each subhour | To ta (convection) |
| qDuctCondRad | – | X | number | end of each subhour | To tr (radiation) |
| qDuctCond | – | X | number | end of each subhour | Sum from last step (else energy balance trouble) |
| qDHWLossAir | – | X | number | end of each subhour | To ta (convection) |
| qDHWLossRad | – | X | number | end of each subhour | To tr (radiation) |
| qDHWLoss | – | X | number | end of each subhour | Sum |
| qHPWH | – | X | number | end of each subhour | Heat extracted from zone by heat pump dhwheater(s) |
| hpwhAirX | – | X | number | end of each subhour | Approximate zone air change rate due to |
| anVentEffect | – | X | integer number | end of each hour | # of izxrats that could impact airnet |
| airNetI[0].tdb | – | X | number | end of each subhour | – |
| airNetI[0].w | – | X | number | end of each subhour | – |
| airNetI[0].amf | – | X | number | end of each subhour | – |
| airNetI[1].tdb | – | X | number | end of each subhour | – |
| airNetI[1].w | – | X | number | end of each subhour | – |
| airNetI[1].amf | – | X | number | end of each subhour | – |
| fVentPrf | – | X | number | end of each subhour | Preferred vent fraction for this zone in isolation |
| tzVent | – | X | number | end of each subhour | Zone air temp with full vent, f (debug aid) |
| fVent | – | X | number | end of each subhour | Vent fraction actual; venting used to hold zone at zn_tzspd |
| anAmfCpVent | – | X | number | end of each subhour | Vent flow (in excess of zn_airneti[ 0]), btuh/f |
| anAmfCpTVent | – | X | number | end of each subhour | Vent flow*temp (in excess of zn_airneti[ 0]), btuh |
| ductLkI.tdb | – | X | number | end of each subhour | – |
| ductLkI.w | – | X | number | end of each subhour | – |
| ductLkI.amf | – | X | number | end of each subhour | – |
| ductLkO.tdb | – | X | number | end of each subhour | – |
| ductLkO.w | – | X | number | end of each subhour | – |
| ductLkO.amf | – | X | number | end of each subhour | – |
| sysAirI.tdb | – | X | number | end of each subhour | – |
| sysAirI.w | – | X | number | end of each subhour | – |
| sysAirI.amf | – | X | number | end of each subhour | – |
| sysAirO.tdb | – | X | number | end of each subhour | – |
| sysAirO.w | – | X | number | end of each subhour | – |
| sysAirO.amf | – | X | number | end of each subhour | – |
| OAVRlfO.tdb | – | X | number | end of each subhour | – |
| OAVRlfO.w | – | X | number | end of each subhour | – |
| OAVRlfO.amf | – | X | number | end of each subhour | – |
| sysDepAirIls.tdb | – | X | number | end of each subhour | – |
| sysDepAirIls.w | – | X | number | end of each subhour | – |
| sysDepAirIls.amf | – | X | number | end of each subhour | – |
| qCondQS | – | X | number | end of each subhour | Total quick surface conduction, btuh (+ = into zone) |
| qCondMS | – | X | number | end of each subhour | Total mass exterior surface conduction, btuh (+ = into zone) |
| rsAmfSysReq[0] | – | X | number | end of each subhour | Requested rsys air mass flow (at system) to hold current step set point, lbm/hr |
| rsAmfSysReq[1] | – | X | number | end of each subhour | Requested rsys air mass flow (at system) to hold current step set point, lbm/hr |
| rsFSize | – | X | number | end of each subhour | Fraction of requested air that rsys could provide |
| rsAmfSup | – | X | number | end of each subhour | Final rsys supply air mass flow (at register, +=in), lbm/hr |
| rsAmfRet | – | X | number | end of each subhour | Final rsys return air mass flow (out of zone at grille, +=out), lbm/hr |
| rsAmfRetLs | – | X | number | subhourly | Last step zn_rsamfret (+ = out) |
| tzsp | – | X | number | end of each subhour | Current step controlling set point, f |
| tzspH | – | X | number | end of each subhour | Current step heating set point, f |
| tzspD | – | X | number | end of each subhour | Current step desired temp set point, f |
| tzspC | – | X | number | end of each subhour | Current step cooling set point, f |
| tzspHlh | – | X | number | hourly | End-of-last-hour heating set point (re autosize setpoint ramping), f |
| tzspDlh | – | X | number | hourly | End-of-last-hour desired temp set point (re autosize setpoint ramping), f |
| tzspClh | – | X | number | hourly | End-of-last-hour cooling set point (re autosize setpoint ramping), f |
| hcMode | – | X | integer number | end of each subhour | Heating / cooling mode required per set point (rsmheat, rsmcool, ) |
| fConvH | – | X | number | subhourly | Heating |
| fConvC | – | X | number | subhourly | Cooling |
| fConv | – | X | number | subhourly | Current step |
| qsHvac | – | X | number | end of each subhour | Subhour total (sensible) power of all hvac, btuh |
| qlHvac | – | X | number | end of each subhour | Subhour total latent power (btuh) (moisture * 1061) likewise |
| qlIz | – | X | number | end of each subhour | Latent gain from izxfer sources (infil, vent, and duct leakage), btuh |
| rho | – | X | number | end of each subhour | Zone moist air density at nominal w=tp_refw, lb/cf |
| rho0ls | – | X | number | subhourly | Prior step zone moist air density at nominal z=0, lb/cf; computed from tzls and zn_pz0[ 0] |
| dryAirMass | – | X | number | end of each subhour | Total mass of dry air in zone, lbm |
| dryAirMassEff | – | X | number | end of each subhour | Effective dry air mass in zone, lbm |
| ivAirX | – | X | number | end of each subhour | Zone infiltration/ventilation air change rate (changes/hr) |
| airX | – | X | number | end of each subhour | Overall zone air change rate (changes/hr) |
| hcAirXls | – | X | number | subhourly | Prior subhour value of i.zn_hcairx |
| hcFrc | – | X | number | subhourly | Inside surface forced convection coefficient, btuh/ft2-f |
| windPresV | – | X | number | subhourly | Wind velocity pressure, lbf/ft2 |
| tz | – | X | number | end of each subhour | – |
| aTz | – | X | number | end of each subhour | – |
| wz | – | X | number | end of each subhour | – |
| relHum | – | X | number | end of each subhour | Zone relative humidity, 0 - 1 |
| relHumls | – | X | number | subhourly | Zone relative humidity, end last subhour, 0 - 1 |
| relHumlh | – | X | number | hourly | Zone relative humidity, end last hour, 0 - 1 |
| twb | – | X | number | end of each subhour | Zone wet bulb temp, f |
| aWz | – | X | number | end of each subhour | – |
| tzls | – | X | number | subhourly | – |
| wzls | – | X | number | subhourly | – |
| tzlh | – | X | number | hourly | – |
| tzlsDelta | – | X | number | constant | – |
| wzlsDelta | – | X | number | constant | – |
| tr | – | X | number | end of each subhour | – |
| trls | – | X | number | end of each subhour | – |
| trlh | – | X | number | hourly | – |
| md | – | X | integer number | end of each subhour | Current hvac mode: subscript of mdseq |