The
Whalen 50/50 system features all the advantages of a conventional 4-pipe
system but reduces pump and piping requirements by 50 percent. During
design day conditions, two pumps---each sized to carry 50 percent of
the total flow---operate in parallel delivering 100 percent of the hot
or chilled water required. Marginal days can be handled either by one
or two pumps circulating hot or chilled water through one or both heat-exchangers.
This design allows pump and motor usage to be staged as conditions require,
keeping energy demands at a minimum.
Elimination
of all electric valves, dampers, and flow control valves
Absence
of any soldered connections within the cabinet
Reduction
in operating costs with two fans per unit sized for 50 percent of
total CFM required
Simplified
maintenance procedures which reduce costs
Significant
reduction of total installation and operating costs
The
Whalen 50/50 system features all the advantages of a conventional 4-pipe
system but reduces pump and piping requirements by 50 percent. During
design day conditions, two pumps---each sized to carry 50 percent of
the total flow---operate in parallel delivering 100 percent of the hot
or chilled water required. Marginal days can be handled either by one
or two pumps circulating hot or chilled water through one or both heat-exchangers.
This design allows pump and motor usage to be staged as conditions require,
keeping energy demands at a minimum. 