Hydraulic Data - Trane CGCN Installation Operation & Maintenance

Hydraulic Data

Water Flow and Pressure Drop
The units have to work with the flow of inertia and tanks provided in the product catalog.
Hydronic Group
The 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 dates 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 efficiency 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 / maximum pressure switch
The stand by pump accessory is also available, including an additional pump in stand-by mode to the first,
equipped with manual changeover or automatic changeover (optional) including. With the automatic changeover
option the pumps operate with the balance of the related working hours; in case of failure of one pump the con-
troller in automatic switches on the additional pump. The control panel is equipped with fuses and contactor with
thermal protection.
Hydronic Accessories On Request
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"Y" water strainer (sold separately), consists of body and stainless steel mesh, with replaceable filter
through the inspection cap.
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Automatic water filling (sold separately).
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B1 one pump and expansion vessel, low available pressure 150 kPa
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M1 one pump and expansion vessel, medium available pressure 250 kPa
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A1 one pump and expansion vessel, high available pressure 450 kPa
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B2 two pumps and expansion vessel, low available pressure 150 kPa
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M2 two pumps and expansion vessel, medium available pressure 250 kPa
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A2 two pumps and expansion vessel, high available pressure 450 kPa