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AHE00046EN 2002

4

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 CD 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: CO

2

 DX (CDX) and brine (CDW).

• Room temperatures: +10 to -30 °C.
• Capacity range (SC2): 0.8 up to 16.5 kW.
• Air volume: 600 up to 8400 m

3

/h.

Model

Refrigerant

Design pressure

Test pressure

CDX

CO

2

80 bar

114 bar

CDW

Brine

10 bar

14.3 bar

2.2  Standard configuration

• Innovative coil manufactured from internally grooved Cu tubes and aluminium fins, smooth tub-

ing for brine applications and dedicated thicker tubes for CO

2

 application.

• Optigo CD coolers are available with 1 to 4 fans. Fan diameters 300 or 400 mm blowing through

the coil. All models are standard fitted with AC fan motors in two fan speed executions (noise

levels) H/L. EC fan motors optional.

Motors with dynamically and statically balanced external rotors, manufactured in accordance

with VDE 0530/12.84. Integrated thermo contacts (Clixon) standard for 3-phase AC motors. All

single phase motors protected by an integrated internal overload switch. Electronically integrated

overload protection for EC fan motors.

• Durable aluminium alloy casing, powder epoxy coated RAL 9002. Hinged lateral driptrays with

dismountable central drain box. Fully dismountable and openable casing for cleaning purposes.

Pre-cut passages for multiple choice connections. Internal air deflectors enhance coil efficiency.

• All CD300 are delivered in wood-reinforced cardboard boxes, suitable for safe stacking. All

CD400 models are delivered in wooden crates in mounting position.

• Fitted with schräder valve on the suction connection for testing purposes.

Содержание ALFA Optigo CD

Страница 1: ...ORIGINAL INSTRUCTIONS AHE00046EN 2002 IM100535EN 02 Optigo CD Instruction manual Product description Product labels Unpacking lifting Installation Maintenance Spare parts ...

Страница 2: ...ation and application 4 2 2 Standard configuration 4 2 3 Options 5 2 4 Code description 5 3 Product labels 6 4 Unpacking and lifting 8 5 Installation 5 1 Mounting dimensions 9 5 2 Mounting bracket 10 5 3 Technical spaces 10 5 4 Refrigerant connections 10 5 5 Drain line 10 5 6 Electrical connections 11 5 7 Electric defrost capacities 16 6 Maintenance 6 1 Fan replacement 17 6 2 Driptray 17 6 3 Side ...

Страница 3: ... until the conformity of the complete machine or cooling system has been declared according to the following standards and directives Pressure Equipment Directive 2014 68 EU Machine Directive 2006 42 EC Low Voltage Directive 2014 35 EU Electrical Equipment of Machines IEC 60204 1 Electro Magnetic Compatibility 2014 30 EU Any applicable local or national legislation 1 3 Where to find product inform...

Страница 4: ... tubes for CO2 application Optigo CD coolers are available with 1 to 4 fans Fan diameters 300 or 400 mm blowing through the coil All models are standard fitted with AC fan motors in two fan speed executions noise levels H L EC fan motors optional Motors with dynamically and statically balanced external rotors manufactured in accordance with VDE 0530 12 84 Integrated thermo contacts Clixon standard...

Страница 5: ...eel casing and frame SS Re heating coil RH Available for CD300 only Switch on off SW Fan motors wired to connection box CB 2 4 Code description CD W H E 40 2 2 B S BOP PC A CB AL 4 0 CU IS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1 2 3 4 5 6 7 8 9 Commercial air cooler dual discharge Refrigerant system W brine X CO2 DX Fan speed H high speed L low fan speed Fan motor type blank AC E EC Fan dia...

Страница 6: ... L Italy 04 2019 Model O A 1106756 CDXLE302 CS 230V BOP SSA CBM CA 4 0 CU Item ID 3289216404 Serial no AP 5002763 Sn Coil PED data ART 4 3 Max DN 9 mm Fluid Group 2 Coil Ts 125 60 C Ps 80 bar Pt 114 bar Test Date 04 2019 E X A M P L E 1 Product label Model Refer to paragraph Code description Item ID Serial no Communicate these when ordering spare parts as they identify the unit O A Order Acknowled...

Страница 7: ...en precharge warning 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 6 Fan motor Fan motor item number 7 Electrical warning Electrically powered component Switch off power supply before any maintenance or instal lation activity 8 Fan direction Sticker indicates ...

Страница 8: ...may be lowered and the remaining packaging materi als can be removed cardboard CD300 crate for CD400 max 4 max 2 In order to avoid damage to the air cooler or fall ing of the unit ensure that the lifting forks cover all beams from the lower support pallet CD400 models are supplied in mounting posi tion Prior to lifting and mounting the top crate panel must be removed and the mounting brackets must...

Страница 9: ...download on alfa luvegroup com Dimensional drawings 5 Installation Always follow guidelines and instructions as given in the air cooler product manual AHE00042 W cooler model Dimensions mm Shipping L W H1 H2 M M1 volume m3 CD 301 949 1012 170 203 550 0 5 CD 302 1499 1012 170 203 1100 0 8 CD 303 2049 1012 170 203 1650 1 0 CD 304 2599 1012 170 203 2200 1100 1 5 CD 401 1121 1160 350 400 820 1 1 CD 40...

Страница 10: ...uired minimum space for defrost heater replacement 25 10 20 12 CD300 CD400 washers ISO 7093 Never bend the air cooler refrigerant connection tubes The drain line diameter must be at least the size of the driptray drain diameter and should be laid with an adequate slope For room temperatures below 0 C drain line insulation and defrosting are required A syphon must be installed on the drain line out...

Страница 11: ...allation Heat exchanger model indication Fan motor type Electrical options Detailed electrical connection diagrams are available for download on alfa luvegroup com When in doubt always contact your local supplier or Alfa LU VE representative for assistance M 1 L N PE L N PE M1 M 1 M 1 L N PE L N PE M1 L N PE M2 M 1 M 1 M 1 L N PE L N PE M1 L N PE M2 L N PE M3 M 1 M 1 M 1 M 1 L N PE L N PE M1 L N P...

Страница 12: ...K1 PE TK TK M 3 U V W U1 V1 W1 PE TK TK M1 TK1 PE TK1 TK2 M 3 TK3 U1 V1 W1 PE TK TK M2 TK2 M 3 U V W U1 V1 W1 PE TK TK M1 TK1 PE TK1 TK2 M 3 M 3 TK3 U1 V1 W1 PE TK TK M2 TK2 U1 V1 W1 PE TK TK M3 TK3 TK4 M 3 M 3 M 3 M 3 U V W U1 V1 W1 PE TK TK M1 TK1 PE TK1 TK2 TK3 U1 V1 W1 PE TK TK M2 TK2 U1 V1 W1 PE TK TK M3 TK3 TK4 TK5 U1 V1 W1 PE TK TK M4 TK3 Electrical connections 1 4 fan motors 3 phase AC ...

Страница 13: ...t to change specifications without prior notification Fan speed selection High Low Electrical connections 2 speed EC fan motors CD300 Electrical connections 2 speed EC fan motors CD400 M 1 M 1 M 1 L N PE SN M1 L N PE SN M2 L N PE SN M3 L N LN PE PE TK TK PE TK TK PE TK TK Put jumper for unit with L noise level ...

Страница 14: ... orange clamps from the blue and brown wires Create a jumper connection between the brown SN and the blue N wires This extra piece of cable is not supplied with the unit brown blue black High speed connection Connect blue wire N to neutral Connect black wire L to power supply black blue Open the connection box located at the end plate opposite the refrigerant connections You will find the electric...

Страница 15: ...without prior notification L1 L2 L3 N PE PE R1 PE R4 PE R2 PE R5 PE R3 PE R6 L1 L2 L3 N Incoming supply 400V 50Hz 3phase N L N PE PE R7 PE R10 PE R8 PE R11 PE R9 PE R12 L N Incoming supply 230V 50Hz 1phase Electrical connections coil defrost heater elements CD400B 4 2 heaters Electrical connections driptray defrost heater elements CD300 ...

Страница 16: ... no power per heater W total power W CD301 4 6 2 475 950 CD302 4 6 2 800 1600 CD303 4 6 2 1300 2600 CD304 4 6 2 1600 3200 CD401 B 4 4 500 2000 2 400 800 CD401 C 6 6 500 3000 2 400 800 CD402 B 4 4 1200 4800 2 800 1600 CD402 C 6 6 1200 7200 2 800 1600 CD403 B 4 4 1700 6800 2 1200 2400 CD403 C 6 6 1700 10200 2 1200 2400 5 7 Electric defrost capacities U V W N PE PE R1 PE R4 PE R7 PE R2 PE R5 PE R8 PE...

Страница 17: ...ti corro sion compound when remounting the fixing bolts Restore electric connection when the new fan has been mounted 6 2 Driptray Driptrays can be opened for inspection cleaning and maintenance purposes To open the drip trays the central connecting driptray needs to be removed first Disconnect drain line and remove central driptray Not too tight When re mounting the primary driptrays the hinge fa...

Страница 18: ...re electrical connections 6 5 Driptray heater elements replacement Always disconnect power supply before handling heater elements To remove driptray heater elements remove central driptray and open primary driptray Disconnect heater element and remove element from bottom plate while slightly bending open the fixing clips Mount new element in reverse order close driptray remount central driptray an...

Страница 19: ...he right to change specifications without prior notification Spare parts Optigo CD 1 Fan motors 2 Defrost heater kits all heaters conn box fixing materials 3 Driptray left 4 Driptray right 5 Driptray central Contact your local Alfa LU VE representative for spare parts order and assistance 7 Spare parts ...

Страница 20: ...alfa luvegroup com ...

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