## 6.70 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 |