Supply off Mod: EFU1BO HGX34/150-4SCO2T
Transcritical flashgas CO2 DX unit with remote air-cooled Gascooler, in the following configuration:
– 1x HGX34/150-4 S CO2 T with Frequency drive
(design pressure limits for unit: LP= 40bar/MP= 80bar/HP= 120bar)
Working parameters:
LT: Refrigerating capacity:
Qo=30kW@69Hz tо= -20°C tGC= +27°C@73.8bara t.sh=14K t.sc=5K /R744/
Power input: 18.5 kW Max operating current: 39.3 А Power supply.: 400V 3~ 50Hz
Medium pressure receiver: Intermed. pressure: 35.0 bara / 0°C
Gas cooler: Qh=48.9kW@69Hz tGC= +27°C pGC=73.8bara t.in= +110°C (R744) t.amb=+25°C
Connections for condensing unit:
– Suction Line LT load: Ø22mm – Liquid Line LT load: К65-Ø5/8″ – Gas cooler: К65-Ø3/4″.
Included equipment & accessories:
– BOCKlub E85 oil – Shut-off valve set for compressor – Crankcase heater – Thermal protection thermostat –
Frequency drive VSD.
System protection & control:
– HP safety switch – LP safety switch – LP pressure gauge – MP pressure gauge – HP pressure gauge
– Pressure relief valve – 40barg – DUAL Pressure relief valves – 80barg with switchover valve – Pressure relief valve –
120barg – 4x Pressure probes R744 – 6x Temperature probes NTC.
Oil return management:
– Oil separator with electronic oil level monitoring – Oil solenoid valve – Oil strainer – 2x Shut-off ball valves –
Additonal oil BOCKlub E85.
Gas cooler connection: – 2x Shut-off ball valves.
1 25 291.10 25 291.10
High pressure valve HPV:
– 1x Regulating valve for optimal gascooler pressure – 2x Shut-off ball valves – 1x Service valve.
Medium pressure receiver & Flash gas bypass valve:
– Insulated vertical receiver 30L (80bar) – 1x Regulating valve for receiver pressure control – 2x Shut-off ball valves –
1x Service valve.
Liquid line:
– Filter-housing with drier insert – Sight glass with indicator – 3x Shut-off ball valves – 1x Service valve.
Flash gas to liquid heat exchanger:
– Insulated BPHE for liquid line subcooling by Flash gas line vapour.
LT Superheater/Subcooler heat exchanger:
– Insulated BPHE for liquid line subcooling by LT suction line vapour.
Suction line Filter-strainer (LT load):
– Insulated Filter-strainer with insert – Shut-off bal valve.
Emergency cooling CDU for receiver pressure rise conrol at stand-by:
– Air-cooled condensing unit R290 fully equiped with all the neccessary regulating and control components and
independent electrial panel – DX cooling coil and dedicated pressure switch for the receiver.
Electrical switch cabinet ESB:
– Mounted and wired electrical switch cabinet ESB with Carel pRack 300 T controller and drivers with enemrgency
power supply ULTRACAP for regulating valves. Power supply and control for external gascooler EC fans.
Metal construction:
– Galvanized sheet metal painted in RAL weather protective housing – Vibration dampers for the unit. The unit is
charged with dry nitrogen.