UNIQUE products are designed for HVAC use. Using this equipment for any other purpose or in a way not within the operation recommendations specified in this manual will void the warranty and may cause injury.
The information contained in this manual is useful for application engineers, architects, designers and various level service and installation personnel. The manual also contains information about the optional features offered by the UNIQUE-CU series, as well as helpful information on split air-conditioners, electrical wiring diagrams and refrigeration cycle diagrams for the various models.
1.3 Nameplate Information Technical information for a specific unit appears on the unit nameplate, which is attached to the indoor and/or the outdoor units. The unit nameplate includes the following information: MODEL Air-conditioner model name SERIAL NUMBER Serial Number of the unit. CLIMATE CLASS Class T1 –...
3. CU Series Packaged Units Designed for outdoor installation, UNIQUE CU Packaged Units (designated CUP) feature eleven sizes of self contained, pre assembled and fully wired air conditioners.
3.1 Packages CUP350…CUP500 3.1.1 Performance Notes: 1. Nominal cooling capacity based on indoor air temp. 27ºC db/19.5ºC wb and outdoor air temp. 35ºC db/24º wb. 2. Nominal heating capacity based on indoor air temp. 21ºC db and outdoor air temp. 7.5ºC db/6.1ºC wb. 3.
3.1.2 Technical Data Model CUP350 CUP400 CUP450 CUP480 CUP500 G E N E R A L LxDxH 1080x1100x850 1080x1100x850 1200x1100x850 1200x1100x850 1200x1150x1030 Dimensions Condensate Lines - Drain Ф-mm (in) 19 (3/4") 19 (3/4") 19 (3/4") 19 (3/4") 19 (3/4") Noise Level (see note 1) Net Weight C O N D E N S E R S I D E 3910...
3.2 Packages CUP600…CUP800 3.2.1 Performance Notes: 1. Nominal cooling capacity based on indoor air temp. 27ºC db/19.5ºC wb and outdoor air temp. 35ºC db/24º wb. 2. Nominal heating capacity based on indoor air temp. 21ºC db and outdoor air temp. 7.5ºC db/6.1ºC wb. 3.
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3.2.2 Technical Data Model CUP600 CUP700 CUP800 G E N E R A L LxDxH 1650x1150x1030 1650x1350x1130 1650x1350x1130 Dimensions 1058 Condensate Lines - Drain Ф-mm (in) 22 (7/8") 22 (7/8") 22 (7/8") Noise Level (see note 1) Net Weight C O N D E N S E R S I D E 8500 10200 11900...
3.3 Packages CUP1000…CUP1400 3.3.1 Performance Notes: 1. Nominal cooling capacity based on indoor air temp. 27ºC db/19.5ºC wb and outdoor air temp. 35ºC db/24º wb. 2. Nominal heating capacity based on indoor air temp. 21ºC db and outdoor air temp. 7.5ºC db/6.1ºC wb. 3.
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3.3.2 Technical Data Model CUP1000 CUP1200 CUP1400 G E N E R A L LxDxH 1700x1500x1150 1700x1500x1150 1700x1500x1250 Dimensions 1010 1114 1114 1335 1435 1435 ⅛ ⅛ ⅛ Condensate Lines - Drain Ф-mm (in) 28 (1 ") 28 (1 ") 28 (1 ") Noise Level (see note 1)
7. INSTALATION INSTRUCTIONS 7.1 General All parts and accessories are packed and shipped with appropriate measure to ensure that everything is protected during transportation. The installation team must be familiar with the installation requirements, to exercise due care in handling and to prevent damage to the equipment. The following instructions are in addition to and conform to any state and municipal regulations which may apply.
7.4 Typical CU Split System Installation Fig. 7-2 1. Outdoor Unit (Condenser). 6. Return Air Door Grill. 2. Indoor Unit (Evaporator). 7. Return Air Intake Grill. 3. Duct System. 8. Control Unit. 4. Wall Air Diffusers. 9. Inter-Unit Piping and Wiring. 5.
7.5 Installing the Outdoor Unit • Make sure to leave sufficient space around the unit. See figure 7-4 for minimum required distance between the unit and nearby walls. • Install the unit in a location with convenient access for service and maintenance purposes.
7.6 Installing the Indoor Unit AB SOR BTION AB SOR BTION CUSHION CUSHION LONG C EILING LONG C EILING ANC HOR S ANC HOR S Fig. 7-5 • Overall and duct connecting dimensions are shown in the technical data tables. •...
7.6.3 Drilling a Hole in the Wall for Drainage and Inter-Unit Connections • To make the connections between the indoor and outdoor units, a 70 mm hole should be drilled for the refrigerant lines, drainage hose and electrical cable passage, through the wall, as shown in Figure 7-6.
7.8 Connecting the Drain Hose Connect the rubber syphon to the drain hose connection. See Fig. 7-8 for details. Fig. 7-8 7.9 Connecting the Refrigerant Lines and Refrigerant Charge 7.9.1 Connecting the Refrigerant Lines • Use tubing sizes according to the following table. •...
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7.9.2 Flaring and Connecting • Remove the protecting cap from the flare fitting. • Remove the protecting cap from the tubing and cut to the required length. Make sure that the cut is perpendicular and clean, without burrs. • Slip the flare nut on the tubing and flare the tube end, using standard flaring tools. •...
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Add refrigerant and oil if tubing exceeds 10 m. For each 1 m. tubing add: Tubing Line Refrigerant (gr.) Oil (gr.) 3/8"-1/2" 3/8"-5/8" 1/2"-5/8" 1/2"-3/4" 1/2"-7/8" 5/8"-7/8" 5/8"-1⅛" 3/4"-1⅜"...
8. INSTALLING THE CONTROL SYSTEM AND CONNECTING POWER 8.1 Identification of the Components MIG 101: M101P: Main control box. I/R (Infra Red) Receiver Panel, wall mounted. Standard supply for all units. Features I/R receiving and On/Off pushbuttons. Standard supply for all units that do not have the wall mounted thermostat ETN1000.
8.2 Installing the Wall Mounted Units and the Remote Control • Remove all control components from their packaging. • Place the control box on the indoor unit service door, or up to 1.5 m. from the unit. The box should be conveniently located for access by service personnel. Protect both the control box and the electrical connections from water and high humidity.
8.5 Wiring the Outdoor Unit • Locate the terminal box cover according to the following figures. • Remove the outdoor unit side cover. • Connect the wires to the terminals, in accordance with the color coding and the suitable wiring diagrams. •...
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8.5.3 Outdoor Unit Terminal Box CUC-600…800 8.5.4 Outdoor Unit Terminal Box CUC-1000…1400...
8.6 Wiring the Indoor Unit • Locate the terminal box cover according to the following figures. • Remove the indoor unit side cover. • Connect the wires to the terminals, in accordance with the color coding and the suitable wiring diagrams. •...
8.6.2 Indoor Unit Terminal Box CUE-1000A…1400A BROWN 8.7 Finishing the Job • Hide the tubing wherever possible. • Make sure that the drainage tube slopes downstream along its entire length. • Insulate tubing connections with insulation materials. • Fasten tubes to the outside wall. •...
9. TROUBLESHOOTING GUIDE 9.1 General Troubleshooting. Note: Check for broken wires and loose cable lugs first! Warning: Always unplug the A/C before performing cleaning or maintenance activities. Symptom Probable Cause Corrective Action A/C fails to start. 1. Power supply to unit not 1.
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General Troubleshooting (continued). Symptom Probable Cause Corrective Action In Cool mode: high 1. Run capacitor of outdoor 1. Replace outdoor fan motor run pressure, or; fan motor is burnt. capacitor. In Heat mode: outdoor 2. Winding of outdoor fan 2. Replace outdoor fan motor. coil freeze.
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General Troubleshooting (continued). Symptom Probable Cause Corrective Action Water Drain pan pipe or hose is Disassemble plastic drain-pipe from spout accumulates clogged or the spout of drain of evaporator drain pan. and overflows from pan is clogged. Flush with clean water. evaporator drain pan.
10. OPERATING INSTRUCTIONS 10.1. Operating Instructions - RT – 01 - Infra Red Remote Control Transmitter Important Note: The infra red remote control must be directly aimed at the thermostat (or receiver) in order to operate. The thermostat "beeps" every time it has received new information. If no button is pressed for 10 seconds, the display will return to normal display mode.
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Real Time Clock: Press SELECT button: CLOCK SET will flash. Press (+) or (-) buttons, the hours will flash. Use the set button, press (+) to increase and (-) to decrease the hours. Press SELECT button again, the minutes will flash. Use the set button, press (+) to increase and (-) to decrease the minutes.
10.2. Operating Instructions – M101P M101P is a wall mounted Infra Red Receiver. On/Off Press On/Off button to start or to stop the air conditioner. Can be used when the remote control transmitter is not available. The air conditioner starts at its last preset position. On LED Lights when A/C unit is activated.
10.3. Operating Instructions – ETN1000 On/Off Press button to activate the thermostat; led will lit. ON/OFF press again; led will lit. ON/OFF Set Temperature Press (+) or (-) button. Temperature digit will flash. Set to the desired temperature using the (+) or (-) buttons.
10.4. Operating Instructions for Wall Mounted Thermostat MIGA2400 10.4.1 General Settings ON/OFF Press ON/OFF button to activate the thermostat. Green led will light. For OFF press again (the green led will flash when compressor time delay protection is ON). MODE Press the MODE button to switch between 4 modes: FAN (Fan only), COOL, HEAT, and HEAT/COOL (automatic Heat\cool change-over).
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Fan Only - When only ventilation needed. COOL/HEAT Activate Heating and Cooling automatically according to the difference between the “Set” and “Actual” temperature. COOL Cooling for summer time. Up to 3 stages of cooling can be selected. Cooling stages will be indicated by lines near the cooling icon.
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REAL TIME CLOCK Hours adjustment: press CLOCK button, hours digits will flash, using the set button press (+) to increase and (-) to decrease the hours. Minutes adjustment: press CLOCK button again and adjust the minutes. Press CLOCK again to return to normal display mode. TIMER TIMER setting allows you to stop the Air conditioner in a certain time (when it's ON) or to start at certain time (when it's OFF).
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10.4.2 PROGRAMMING Two programs are available for setting each week day, Monday – Friday. Another two programs are available for Saturday and another two for Sunday. Monday to Friday programming Press PROG. The display will flash. A. First Program - Start Time: Press PROG. Hours indication will flash. Use the set button to adjust the hours.
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Quick Review Mode Enter into programming mode by pressing the PROG. button. Press CLOCK button to advance Mon-Fri, Sat, Sun and out. During this procedure presetting can be reviewed and modified. Switching between Manual and Program operation While unit is on (green ON led lights) press and hold down for 3 seconds the PROG. button. While in PROG.
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Indoor Unit Assembly Parts Qty. Part No. Part Description CU150-A CU150-C CU200-A CU200-C CU250-A CU250-C Fig. Unit Centrifugal Fan – 401M175 Impeller (CU -A) Centrifugal Fan – 401B176 401B220 401B220 Casing (CU -A) Centrifugal Fan – 4022691 4021100 4021100 Right (CU -C) Centrifugal Fan –...
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Indoor Unit Assembly Parts Qty. Part No. Part Description CU450-A CU450-C CU480-A CU480-C CU500-A CU500-C Fig. Unit Centrifugal Fan – 4022691 4022691 4022582 Right (CU -A) Centrifugal Fan – 4022696 4022696 4022584 Left (CU -A) Centrifugal Fan – 4021104 4021106 4021118 Right (CU -C)
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Indoor Unit Assembly Parts Qty. Part No. Part Description CU1000-A CU1000-C CU1200-A CU1400-A Fig. Unit Centrifugal Fan – 4021108 4021138 4021120 Right (CU -A) Centrifugal Fan – 4021109 4021138 4021120 Left (CU -A) Centrifugal Fan – 4021120 Right (CU -C) Centrifugal Fan –...
Appendix A – Additional CU Options Unique’s line of advanced CU air conditioners offers a broad range of configurations. Customized configurations are also available upon request. Outdoor Condensing Units Model Features Suitable for locations where air cannot be directed sideways.
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Model Features Suitable for locations where condensing unit cannot be placed on floor, but can be placed CUC-VAF above floor level. Includes two fans, front air discharge. Extra silent unit. CUC-SQF Includes three low speed fans and enlarged heat exchanger.
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Indoor Evaporating Units Model Features Suitable for visible, indoor installations. Air distributed through front side shutters. Pre- CUE-B painted cabinet, available in wide range of colors. Evaporator with two side heat exchangers and one fan between them. CUE-D Back side of evaporator can be installed next to wall.
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Model Features Vertical evaporator. Free bottom side air suction with dual fan. CUE-AVTS The air is discharged from top side, through heat exchanger. Narrow, vertical evaporator. CUE-CVF Front air suction and front air discharge. Narrow, vertical evaporator. CUE-CVT Front air suction and top side air discharge. Vertical evaporator.
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Package Units Model Features CUP-A-350 to Dual Fan configuration for models 350 to 500. CUP-A-600 to Dual Fan configuration for models 600 to 800. Return air suction at upper part of front side. CUP-AB Dual fan air distribution at lower part of front side.
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Model Features Front side air suction, with dual fan top air CUP-AT discharge. Front side air suction, with single fan top air CUP-CT discharge.
APPENDIX B – Special Control Boards The standard CU Series air conditioners are equipped with MIG 101/3/02 control board. Additional control boards, to suit various climate conditions or special control requirements, are available upon request. See control package features in the following table.
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Designation Description Power CU Range Page Heat Pump features: 1-Ph CU150…400 1-stage Cooling and 2-stage Heating. Additional (3 stage) heating by 101/1H2 electrical heating element, attached to 3-Ph CU150…1400 the indoor evaporator's coil. Heat Pump features: 1-stage Cooling and 1-stage Heating. Additional 2 heating stages (2 and 3 1-Ph...
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