31114051EN-06
5
Alfa LU-VE is a trademark registered and owned by LU-VE Group.
Alfa LU-VE reserves the right to change specifications without prior notification.
2 Product description
2.1 General information and application
Optigo FMD are commercial dual discharge air coolers for general application in small to medium-
sized cooling, freezing and working rooms. Low air velocity and noise level make them especially
suitable for refrigerated working and processing rooms.
• Refrigerants: HFC* (FMDE), CO2 (FMDX) and brine (FMDW)
• Air inlet temperature: -25 to +30 °C
• Fluid inlet temperature: -40 to +20 °C
Model
Refrigerant
Max working pressure
FMDE
HFC*
24 bar
FMDX
CO2
60 bar**
FMDW
Brine
1
2
bar
* Fluid group 2 according to EN 378
** 85 bar in special execution
2.2 Standard configuration
• Innovative coil manufactured from internally grooved Cu tubes and aluminium fins.
• Optigo FMD coolers are available with 1 to 4 fans. All models are standard fitted with EC fan
motors. Integrated thermo contacts.
• Durable aluminium alloy metallic casing, epoxy coated RAL 9003. Hinged driptray. Dismountable
and openable casing for cleaning purposes.
• Vertical plastic drain connection.
• Fan motors wired to connection box.
• Fitted with schräder valve on the suction connection for testing purposes (only for FMDE and
FMDX units).
• Delivered on a wooden pallet, either covered with a reinforced cardboard box or a wooden crate.
2.3 Options
• Electric defrost (E)
For cold rooms with room temperatures below 4 °C frost build-up is likely, the application of a
defrosting system is recommended. The stainless steel defrost elements are connected to
dedicated terminal box.
• Coil protection: pre-coated aluminium fins (AP)
• Horizontal metalic drain connection
• Stainless steel tubes (AISI 304)
• Re-heating coil (RH) - on request
• Water drain pump - on request