CSE User's Manual

California Simulation Engine

6.13 DHWLoop (owner: DHWSYS)

@DHWLoop[1..].

NameInput?Runtime?TypeVariabilityDescription
nameXXstringconstant
multXXinteger numberinput timeMultiplier: number of identical loops
wlpCountXXinteger numberrun start time (of each phase, autoSize or simulate)Total # of child dhwlooppumps
flowXXnumberhourlyCurrent loop recirculation max flow, gpm
runFXXnumberhourlyCurrent hour recirculation operation fraction
tIn1XXnumberhourlyEntering temperature at 1st dhwloopseg
fUAXXnumberinput timeUa adjustment factor for child dhwloopsegs
lossMakeupPwrXXnumberhourlyLoss makeup heating (electrical) power, w
lossMakeupEffXXnumberhourlyLoss makeup heating efficiency
elecMtriXXinteger numberinput timeMeter for loop electricity use (default = parent ws_elecmtri)
segTotals.countXXnumberrun start time (of each phase, autoSize or simulate)
segTotals.lenXXnumberrun start time (of each phase, autoSize or simulate)
segTotals.volXXnumberrun start time (of each phase, autoSize or simulate)
segTotals.exAreaXXnumberrun start time (of each phase, autoSize or simulate)
segTotals.UAXXnumberrun start time (of each phase, autoSize or simulate)
branchTotals.countXXnumberrun start time (of each phase, autoSize or simulate)
branchTotals.lenXXnumberrun start time (of each phase, autoSize or simulate)
branchTotals.volXXnumberrun start time (of each phase, autoSize or simulate)
branchTotals.exAreaXXnumberrun start time (of each phase, autoSize or simulate)
branchTotals.UAXXnumberrun start time (of each phase, autoSize or simulate)
volRLXXnumberend of each hourCurrent hour volume returned to water heater, gal
qLiqLPXXnumberend of each hourHeat added to liquid by dhwlooppump(s), btu
HRLLXXnumberend of each hourCurrent hour loop seg pipe losses, btu
HRLLnetXXnumberend of each hourWl_hrll adjusted for pump by pump heat and
HRBLXXnumberend of each hourCurrent hour branch pipe loss, btu
t24WLXXnumberend of each hourCurrent hour branch waste loss volume, gal
tRLXXnumberend of each hourCurrent hour average return temp, f