Emerson Xtreme Density Manuel D’Utilisation

Stationary air conditioning, refrigeration, heat pump equipments and stationary fire protection sys-

tems in the European Community market and operating with fluorinated greenhouse gases (f-gas), 

such as R407C, R134a, R410A, must comply with the F-Gas Regulation: (EC) No. 842/2006 (F-gas). 

The regulation prohibits, among other actions, venting fluorinated greenhouse gases to the atmo-

sphere.
The F-Gas Regulation requires operators to use use all measures that are technically feasible and do 

not entail disproportionate cost to prevent leakage of these gases, to test for leakage regularly and to 

recover f-gas before disposing of equipment, as well as during service and maintenance.
Refer to the full regulation for additional details.

Liebert XD systems are available in Direct and Indirect configurations—differentiated essentially 

by the method of heat rejection (see Figures 2 and 3). The indirect system uses a pumping unit con-

nected to a building chilled water system to control and circulate the refrigerant. In the direct system, 

the pumping functions are incorporated in the chiller, which must be connected to a separate heat 

rejection system.