http://www.plctalk.net/qanda/showthread.php?t=27555
base on this similar system or boiler system what the different/advantage controlling the IDfan with VFD(Auto) while the damper in manual
or controlling the Damper (Auto) and IDfan with VFD in manual/constant.
Thanks in advance for any info/tips.
base on this similar system or boiler system what the different/advantage controlling the IDfan with VFD(Auto) while the damper in manual
or controlling the Damper (Auto) and IDfan with VFD in manual/constant.
Thanks in advance for any info/tips.