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Summary of Contents for Alfa Network Optigo FMD
- Page 1 Optigo FMD Instruction manual • Product description • Product labels • Unpacking & lifting • Installation • Maintenance • Spare parts ORIGINAL INSTRUCTIONS 31114051EN-06...
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Page 3: Table Of Contents
Index Important information Disclaimer...........................4 Intended use..........................4 Where to find product information ....................4 Product description General information and application...................5 Standard configuration .......................5 Options ............................5 Code description ........................6 Product labels...........................7 Unpacking and lifting .......................9 Installation Mounting dimensions ....................... 11 Mounting bracket ........................12 Refrigerant connections ......................12 Pressure test ..........................13 Drain line ..........................13... -
Page 4: Important Information
Important information Disclaimer This Instruction Manual applies to all Optigo FMD air cooler products. Manual must be carefully examined and instructions should be followed up at all times. Alfa LU-VE does not accept liability for any damage resulting from non-compliance to the instruc- tions as given in the manuals and order-related documents. -
Page 5: Product Description
• 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. -
Page 6: Code Description
FMD E - BP - AL CU - 10 11 12 13 Optigo FMD dual discharge commercial air cooler Refrigerant system (E=HFC, X=CO 2 , W=brine) Casing type (1 to 4) Number of fans (1 to 4) Coil type (1, 2) Fin spacing (3=3.0, 4=4.5, 7=7.0 mm) -
Page 7: Product Labels
Product labels ② ④ ⑤ Manufacturer: MODEL CODE: S/N: COIL Fluid: R404A VOLUME: 1.83 dm Ts: -40 °C, +55 °C Max Pres: 2.4 MPa VENTILATION Nr. Motors 2 Tens. 230 V 50 Hz 85 W 0.6 A DEFROSTING Nr. 1 230 V 900W MADE IN POLAND... - Page 8 2. Precharge warning Only for FMDE and FMDX units. Units are delivered from the manufacturer with an overpressure. Check pressure on the Schrader valve. With unpressurised unit: immediate report to manufacturer and note on bill of delivery. 3. Electrical warning Electrically powered component.
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Page 9: Unpacking And Lifting
Unpacking and lifting Optigo FMD air coolers are delivered on a wooden pallet, either covered with a reinforced card- board box or a wooden crate. Handling and positioning can take place manually (smaller models) or with use of a forklift. - Page 10 Casing type 3 and 4 models packed with crate are supplied in mounting position. Prior to lift- ing and mounting, the top crate panel must be removed. Remove side covers (A) by loosening screws (B). Remove the transparent protection film from painted metallic parts, if present.
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Page 11: Installation
Installation Mounting dimensions Dimensions (mm) Casing type 1447 1151 2002 1706 2557 2261 1130 3/4” GAS Detailed drawings showing all required mounting and refrigerant connection dimensions are available available for download on alfa.luvegroup.com. Dimensional drawings 31114051EN-06 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. -
Page 12: Mounting Bracket
Mounting bracket Use suitable studs when mounting the unit to the ceiling. Fix the unit to cold room ceiling by securely tightening nuts and washers. Ø 8 mm Refrigerant connections Do not adapt headers position to the suction line. Ensure the supply circuit is closed (no pressure) before connecting the suction lines. -
Page 13: Pressure Test
Pressure test Ts1=cold room air inlet temperature. Te=evaporating temperature. It is related to the refrigerant pressure on the unit cooler outlet. Trs=refrigerant superheat temperature, on suc- tion line near thermostatic valve bulb. (Trs-Te)=superheat (Trs-Te) ≤ 0.7 x (Ts1-Te) Keep the superheat as low as possible to obtain maximum unit cooler performance. -
Page 14: Electrical Connections
Electrical connections The following data determine which connection diagram is to be selected and respected for electri- cal installation: • Heat exchanger model indication • Fan motor type • Electrical options When in doubt always contact your local supplier or Alfa LU-VE representative for assistance. Remove the terminal block cover (P). -
Page 15: Electric Defrost Connections
Electric defrost connections OPTIONAL FMD = standard EB1 = OPTIONAL (200 W) Electric heaters Casing type W (x1) W tot 1800 1600 3200 2350 4700 3100 6200 31114051EN-06 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. -
Page 16: Maintenance
Maintenance Ensure complete electrical isolation before performing any maintenance activity. When opening/closing the driptray, pay attention in order to avoid interference between impellers and fan collars. Driptray heater elements replacement Always disconnect power supply before handling heater elements. Disconnect drain line. Remove fixing bolts and open the driptray (F) and the bottom plate (G). -
Page 17: Spare Parts
Spare parts ⑥ ⑤ ④ ③ ② ① Spare parts Optigo FMD 1 Fan guard 2 Fan motor 3 Drain tray kit 4 Electrical heater 5 Side cover - hairpins side 6 Side cover - connections side 7 Drain line electrical heater (optional, not shown) Contact your local Alfa LU-VE representative for spare parts order and assistance. - Page 20 alfa.luvegroup.com...
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