MAINTENANCE AND OPERATING MANUAL
Description
HAS T 070÷140
38
ENGLISH
EN
The data in this manual are not binding and they can be modified by the manufacturer without notice. Reproduction of this manual is strictly prohibited.
UNIT IN CHILLER MODE
UNIT IN HEAT-PUMP MODE
3.3 Hydraulic system (optional)
The units can be equipped with a hydraulic system on request. The system, which is
installed on board the unit, is composed of centrifugal pump and storage tank and
supplied with the following accessories:
• expansion vessel
• water pressure relief valve
• automatic air bleed valve
• discharge valve
• water pressure gauge at pump outlet
• electric heaters (optional).
Units can be equipped with a medium pressure head pump on request.
Pump installation is envisaged in the following configurations:
• single pump
• double pump (one in stand-by)
• pump and tank assembly
• double pump (one in stand-by) and tank unit.
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