Hydraulic Data - Trane CXAO Installation Operation & Maintenance

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Hydraulic data

Water fl ow and pressure drop
The units of AIR-WATER family have to work with the
fl ow of inertia and tanks provided by product catalog.
Hydronic group
Units are also available in multiple hydraulic versions,
characterized by complete kits of all major hydraulic
components for an easier installation, with reduced time,
cost and space.
The wide range of hydraulic versions available make the
unit suitable for any type of installation.
Hydraulic versions
Hydraulic versions are available in according with datas
provided in the product catalog.
Hydronic kit
Centrifugal pumps with 2 or 4 poles, axial suction bowls
and radial delivery, available in low, medium or high
head pressure.
Pumps with cast iron body and impeller entirely welded
using laser technology. Mechanical seal with ceramic
components, coal and EPDM elastomers. Three phase
electric motor with IP55 protection and insulation class F ,
suitable for continuous service.
Series motors with higher effi ciency IE2 technology.
- Differential pressure switch on exchanger
- Discharge taps
- Taps on pumps suction / delivery which allow the
replacement of a damaged pump eliminating the
plant shutdown differently from other types of
common use.
- Check valve
- Relief valve
- Discharge valve
- Minimum pressure switch for automatic
changeover of the pumps.
The stand by pump accessory is also available, including
an additional pump in stand-by mode to the fi rst,
equipped with the automatic changeover including also
the pressure switch for the intervention of the second
pump.The pumps operate with the balance of the
related working hours. In case of failure of one pump the
controller in automatic switches on the additional pump.
The control panel is equipped with fuses and contactor
with thermal protection.
RF-SVX003A-GB
Hydronic accessories on request
• "Y" water strainer (sold separately), consists of
body and stainless steel mesh, with replaceable
fi lter through the inspection cap.
• Automatic water fi lling (sold separately).
• B1 one pump and expansion vessel,150 kPa
• M1 one pump and expansion vessel, 250 kPa
• A1 one pump and expansion vessel, 450 kPa
In any cases described on product catalog we can have:
SB/SM/SA: One pump, expansion vessel and water tank
XB/XM/XA: Two pumps, expansion vessels and water
tank
Hydraulic data
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