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21-09-2010, 10:10 PM #1
1991 Dunham Bush DX Coil Capacity
I have an existing Dunham Bush Model HCS50MA air handling unit with an R-22 row split dx coil model 5DEP 4B-42T x 108. The existing 50 ton condensing unit is on it's last leg. I would like to install a 60 ton R-410A condensing unit, but want to verify the existing coil will effectively utilize the additional cooling capacity. The air handling unit has sufficient air flow for the additional cooling capacity. Is anyone familiar with the older Dunham Bush coils or have an older catalogue that will help with research? Thanks for the help
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