Apologize for the late reply, I have checked from here in the controls manual from Carrier 19DV centrifugal unit.
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It somehow mentioned (page 23, item 5.8) that the controls manual that during the startup, only guide vane will function, thereafter, VFD will kick in to modulate.
@Moideen...
I am curious how the VSD (Veriable speed) centrifugal chiller able to control the capacity.
There is already a guide vane to control the capacity.
In the normal chiller (non VSD), the guide vane will open / close to match the required capacity.
With the addition of VSD that can control the...
Tank is a chilled water storage, 4 degree Celsius at lowest.
The cold bitumen paint I am referring to is this.
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Ambient: 38 deg C, design: 4 deg C, slab is 4 inches above ground.
"Easier" as in no need to find a bitumen boiler and not having to take the risk of getting burnt from the hot...
Aboveground cylindrical steel tank to sit on a concrete slab.
Tank has to be insulated at the bottom, by using foamglass.
Underneath of foam glass, planning to apply a coat of bitumen, as vapor barrier.
A video I found on youtube is recommending hot pour method.
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But I am exploring to use...