9 Heat Flow
04.09.2016 Mk8 MM Expansion Features Installation and Set-Up Guide Page 139
UsefulHeatintoWater TotalHeat
Efficiency
100
20,472,840
80.67
100
16,514,440BTU/hr
VolumeFlowinlbs/hr
16,515,440
1
185167
917,524.4lbs/hr
VolumeFlowincuftHr
VolumeFlowinlbs hr
⁄
DensityofWateratReturnTemperature
917,524.4
60.68
15,120.7cuftHr
VolumeFlowinUSG.P.M. 15,120.7cuftHr0.124676 1,885.2USG.P.M.
It can be seen from the above that by adding the expansion P.C.B. and a return temperature detector
to the Mk7 M.M. system that you get the following additional useful information.
“Useful heat into water” (BTU/hr) &
“Volume flow” (US G.P.M)
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