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Summary of Contents for Alfa Network Optigo CC
- Page 1 Optigo CC Instruction manual • Product description • Product labels • Unpacking & lifting • Installation • Maintenance • Spare parts ORIGINAL INSTRUCTIONS AHE00047EN 2001 IM100536EN-01...
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Page 2: Table Of Contents
Index Important information Disclaimer...........................3 Intended use..........................3 Where to find product information ....................3 Product description General information and application...................4 Standard configuration .......................4 Options ............................5 Code description ........................5 Product labels...........................6 Unpacking and lifting .......................8 Unpacking ..........................8 Lifting ............................9 Installation Mounting dimensions ....................... 11 Mounting bracket ........................12 Technical spaces ........................12 Refrigerant connections ......................12... -
Page 3: Important Information
Important information Disclaimer This Instruction Manual applies to all Optigo CC air cooler products and is supplied in combina- tion with the Air Cooler Product Manual AHE00042. Both manuals 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 instructions as given in the manuals and order-related docu- ments. -
Page 4: Product Description
• Optigo CC coolers are available with 1 to 4 fans fitted with AC or EC fan motors in two fan speed executions (noise levels) H/L. Fan diameters 250, 300, 350, 400 or 500 mm drawing or blowing through the coil. Integrated thermo contacts (Clixon) standard for 3-phase AC motors. -
Page 5: Options
For cold rooms with room temperatures below 4 °C and where frost build-up is likely, the appli- cation of a defrosting system is advised. Electric defrost for Optigo CC consists of stainless steel heater elements. The defrost elements are connected to separate terminals in the terminal box. -
Page 6: Product Labels
Product labels 1. Product label Model Refer to paragraph "Code Manufacturer: Manuf. Date: AIR HEX ALONTE S.R.L. - Italy 04 / 2019 description" Model: O.A. 1100186 CCEH502.2BD 400V CR PCE Item ID Communicate these when CA 5.5 CU Serial no. ordering spare parts as Item ID: 3289208322... - Page 7 3. Nitrogen precharge warning ATTENZIONE! Units are delivered from the manufacturer CIRCUITO FRIGORIFERO PRECARICATO CON AZOTO with an overpressure. Check pressure on WARNING! PRECHARGED REFRIGERANT CIRCUIT WITH NITROGEN the Schrader valve. With unpressurised unit: ACHTUNG! Immediate report to manufacturer and note on VERLADTER KÄLTEMITTELKREISLAUF MIT STICKSTOFF ATTENTION! bill of delivery.
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Page 8: Unpacking And Lifting
Always follow guidelines and instructions as given in the air cooler product manual AHE00042. Optigo CC air coolers are delivered on a wooden pallet, either covered with a wooden folding box or a wooden reinforced crate. Handling and positioning can take place manually (smaller models) or with use of a forklift. -
Page 9: Lifting
Wooden crate (CC404-504 & CCB301-504) Place the unit on the ground and loosen the fix- ing materials from the top crate. Remove top crate. Remove the fixing screws from the lower support pallet. Lifting CC250/350 & CCB300/350 Unpacked models 250/300/350 must be turned before mounting. - Page 10 Lift the unit into mounting position and secure following instructions given in chapter "Installation". After having fixed the cooler to the ceiling, place driptray on its hinges (CC400/500 only). Use supplied fixing materials to fasten the drip- tray. AHE00047EN 2001 Alfa LU-VE is a trademark registered and owned by LU-VE Group.
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Page 11: Installation
Installation Always follow guidelines and instructions as given in the air cooler product manual AHE00042. Mounting dimensions ( B ) ( B ) Shipping cooler Dimensions ± 5 mm volume model Draw-through CC CC 251 CC 252 1319 1016 G ext. Ø1"... -
Page 12: Mounting Bracket
Mounting bracket Use extra wide washers (ISO 7093) when mounting the unit to the ceiling. CC250/300/350 CC400/500 extra wide washers ISO-7093 Technical spaces Respect the minimum wall distance on suction side. D ≥ H coil coil Respect the minimum space for defrost heater extraction and replacement. -
Page 13: Hotgas Connection (Optional)
Hotgas connection (optional) Picture shows the T-connection for refrigerant and hotgas defrost inlet. hotgas connection refrigerant connection Drain line 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°... -
Page 14: Electrical Connections
Electrical connections The following data determine which connection diagram is to be selected and respected for electrical installation: • Heat exchanger model indication • Fan motor type • Electrical options Electrical connections 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. - Page 15 Electrical connections 1-phase AC fan motors 3 fans 4 fans AHE00047EN 2001 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 Electrical connections 3-phase AC fan motors 1 fan U1 V1 W1 PE TK TK 2 fans TK1 TK2 U1 V1 W1 PE U1 V1 W1 PE TK TK TK TK AHE00047EN 2001 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 17 3 fans TK1 TK2 U1 V1 W1 PE TK TK U1 V1 W1 PE TK TK U1 V1 W1 PE TK TK 4 fans TK1 TK2 TK4 TK5 U1 V1 W1 PE TK TK U1 V1 W1 PE TK TK U1 V1 W1 PE TK TK U1 V1 W1 PE...
- Page 18 Electrical connection for 1-4 EC fan motors 1-phase (2-speed, CC250 only) Fan speed selection High/Low Open the connection box. You will find the electric wiring diagram inside. High speed connection Connect blue wire (N) to neutral. Connect black wire (L) to power supply. black blue Low speed connection...
- Page 19 Electrical connection for 1-4 EC fan motors 1-phase with 0-10V speed regulation Signal box Jumper connection for xed high fan speed. Replace with 6.7V resistance for low fan speed or external signal for rpm modulation. N PE +10V 0-10V +10V 0-10V +10V 0-10V...
- Page 20 Electrical connection for 1-4 EC fan motor 3-phase with 0-10V speed regulation Signal box Jumper connection for xed high fan speed. Replace with 6.7V resistance for low fan speed L3 PE or external signal for rpm modulation. L3 PE +10V 0-10V L3 PE +10V...
- Page 21 Electrical connection for electric defrost CC250 & CC350 Incoming supply 230V - 50Hz 1phase -R10 -R11 -R12 Incoming supply 400V - 50Hz 3phase+N AHE00047EN 2001 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.
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Page 22: Electric Defrost Capacities
Electric defrost capacities Draw-through CC Model Coil defrost Driptray defrost Tube heater power total heater total Optigo rows elements per heater power elements power heavy heavy heavy heavy 251.1A 251.1B 251.1C 1680 252.1A 1520 252.1B 1520 252.1C 3040 253.1A 1120 2240 1120 253.1B... - Page 23 Blow-through CCB Coil defrost Driptray defrost Model Tube heater power total heater total Optigo rows elements per heater power elements power heavy heavy heavy heavy 301A 301B 301C 1680 302A 1520 302B 1520 302C 3040 303A 1120 2240 1120 303B 1120 2240 1120...
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Page 24: Maintenance
Maintenance Ensure complete electrical isolation before performing any maintenance activity and always follow guidelines and instructions as given in the air cooler product manual AHE00042. Fan replacement Unscrew fixing bolts and remove old fan. Mount new fan in identical position. Cable glands must be positioned downwards. -
Page 25: Coil Heater Elements Replacement
Coil heater elements replacement Always disconnect power supply before handling heater elements. To remove coil heater elements, open side cov- ers on both sides. Disconnect heater element from connection box. On the opposite cooler side, remove fixing screws and extract element from coil. -
Page 26: Bottom Plate (Cc500)
Bottom plate (CC500) This paragraph applies to CC500 draw-through units only. If room temperature is above 0 °C, there is a chance that the cooler can sputter water drops out of the fans. If that happens, disconnect drain line, open the driptray and remove the cut out pieces from the bottom plate. -
Page 27: Spare Parts
⑤ ① ③ ② ④ Spare parts Optigo CC 1 Fan motors 2 Electrical defrost heaters (coil & driptray heater identical) 2 Electrical defrost kits (heaters, connection box & fixing materials) 3 Fan ring heaters 3 Fan ring heater kits (heaters, connection box & fixing materials) - Page 28 alfa.luvegroup.com...
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