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AOUA72ULBV5
(208/230 V)
AOUA96ULBV5
(208/230 V)
AOUA72ULCV5
(460 V)
AOUA96ULCV5
(460 V)
AOUA120ULBV5
(208/230 V)
AOUA120ULCV5
(460 V)
AOUA144ULBV5
(208/230 V)
AOUA168ULBV5
(208/230 V)
AOUA192ULBV5
(208/230 V)
AOUA144ULCV5
(460 V)
AOUA168ULCV5
(460 V)
AOUA192ULCV5
(460 V)
INSTALLATION MANUAL
VRF SYSTEM OUTDOOR UNIT
For authorized service personnel only
MANUEL D'INSTALLATION
UNITÉ EXTÉRIEURE À SYSTÈME VRF
Pour le personnel agréé uniquement
MANUAL DE INSTALACIÓN
UNIDAD EXTERIOR DEL SISTEMA VRF
Solo para personal de servicio autorizado
PART No. 9378945722-05
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Summary of Contents for Fujitsu AOUA72ULBV5
- Page 1 VRF SYSTEM OUTDOOR UNIT For authorized service personnel only MANUEL D’INSTALLATION UNITÉ EXTÉRIEURE À SYSTÈME VRF Pour le personnel agréé uniquement MANUAL DE INSTALACIÓN AOUA72ULBV5 UNIDAD EXTERIOR DEL SISTEMA VRF (208/230 V) AOUA96ULBV5 (208/230 V) Solo para personal de servicio autorizado...
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Page 2: Table Of Contents
INSTALLATION MANUAL [Original instructions] 1. SAFETY PRECAUTIONS PART No. 9378945722-05 VRF system outdoor unit This installation manual describes how to install the outdoor unit only. To install the indoor unit, refer to the installation manual included with the indoor unit. Contents IMPORTANT! SAFETY PRECAUTIONS .................. -
Page 3: About This Product
When Servicing... CAUTION • Turn the power OFF at the main circuit breaker panel before opening the unit to check or This unit must be installed by qualified personnel with a capacity certificate for handling repair electrical parts and wiring. refrigerant fluids. -
Page 4: Special Tools For R410A
2.2. Special tools for R410A Quantity per model Name and shape [in (mm)] ID: Inside diameter AOUA AOUA72/96 AOUA120 OD: Outside diameter 144/168/192 Tool name Contents of change for R22 tool Joint pipe F Pressure is huge and cannot be measured with a conventional gauge. ID 3/4 (19.05) To prevent erroneous mixing of other refrigerants, the diameter of each Gauge... -
Page 5: About Unit Of The Length
2.5.1 RB unit (for heat recovery system) CAUTION UTP- UTP- UTP- UTP- UTP- UTP- Model Select an installation location by observing the following precautions: RU01DH RU01EH RU01FH RU04EH RU08DH RU12DH Number of branches Install the unit level. (Within 0.3 degrees) Max number of connectable Install this unit in a location with good ventilation. - Page 6 3.3.1 When install nearby limited height wall Unit: in (mm) (1) Single and multiple installations • There are no restrictions on the height of the side wall. • Provide installation spaces L1 and L2 in accordance with the table below according to the wall height (front side, rear side) conditions.
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Page 7: Transporting The Unit
• To prevent the unit swing accident or falling down of the unit, do not apply any impact to the unit when it is hanging. Product mass: lb (kg) 208/230 V model 460 V model AOUA72ULBV5 AOUA72ULCV5 569 (258) 582 (264) AOUA96ULBV5... -
Page 8: Installing The Unit
• Install 6 or more anchor bolts at the 10 locations indicated by arrows. 3.5. Installing the unit Holes: 1/2 × 11/16 (12 × 17) (10 places) • Install the unit level. (Within 0.3 degrees.) Unit: in (mm) 56-4/3 (1,444) •... -
Page 9: Pipe Selection (For Heat Pump System)
4.1.2 In case of 2 outdoor units connected NOTE: • If the outdoor temperature during cooling operation is expected to be 23°F (–5°C) or (Subordinate) less, outdoor unit must be installed lower than 16 ft (5 m) or less from the indoor unit. O.U.-2 (Primary) •... -
Page 10: Protection Of Pipes
Table. B (Between outdoor unit branch kits or outdoor unit branch kit and first Table. D (Between separation tube and indoor unit) separation tube) * Use a standard separation tube for pipe branching. Do not use a T tube as it does not [Standard] separate the refrigerant evenly. -
Page 11: System Configuration (For Heat Recovery System)
Allowable pipe length (actual pipe length) 5. SYSTEM CONFIGURATION (for Heat Recovery a + e + f Between primary outdoor unit and the farthest system) 541 ft (165 m) or less a + e + p indoor unit About for Heat Pump system, refer to “4. SYSTEM CONFIGURATION (for Heat Pump Between the first separation tube and the f, p 196 ft (60 m) or less... -
Page 12: Pipe Selection (For Heat Recovery System)
Table. B (Between outdoor unit branch kits or outdoor unit branch kit and first 5.2. Pipe selection (for Heat Recovery system) separation tube) [Standard] CAUTION Outside diameter [in (mm)] Total cooling capacity of This unit is designed specifically for use with the R410A refrigerant. Pipes for R407C or Discharge gas Suction gas outdoor unit [Btu/h]... -
Page 13: Protection Of Pipes
Table. D (Between separation tube and RB unit) Outside diameter mm (in) Cooling capacity of indoor unit Use a standard separation tube for pipe branching. Do not use a T tube as it does not [Btu/h] Liquid pipe Gas pipe separate the refrigerant evenly. -
Page 14: Indoor Unit Pipe Connections
Knockout position and detail 6.2. Indoor unit pipe connections AOUA72/96 AOUA120 AOUA144/168/192 CAUTION For details, refer to the Installation Instruction Sheet of each part. Separation tube Horizontal Vertical Outdoor unit or Refrigerant branch kit Horizontal line Indoor unit or Refrigerant branch kit ±... -
Page 15: Multiple Connections
(3) After all the gas is vented, melt the brazing filler metal on connecting part using a 6.4. Multiple connections torch and remove the pinch pipe. CAUTION • When connecting multiple (maximum 3) units, be sure to install the unit with the larg- est capacity nearest to the indoor unit. -
Page 16: Electrical Wiring
(2) Straight pipe length (6) If the pipe length between outdoor unit branch kit and outdoor unit branch kit (or sub- ordinate unit) is longer than 2 m, or a lower pipe line exists between outdoor units, Leave the distance 2 ft (0.5 m) or more for straight part to outdoor unit branch kit. rise for gas pipe (in the heat recovery system, Discharge gas pipe and Suction gas To indoor unit pipe) should be arranged to eliminate oil from entering into and remaining at pipes... -
Page 17: Wiring Method
Connection diagram example for heat recovery system CAUTION Breaker 1: Ground Fault Equipment The primary power supply capacity is for the air conditioner itself, and does not include the To other refrigerant circuit Breaker (GFEB) concurrent use of other devices. outdoor unit Breaker 2: Maximum Circuit Breaker (MAX. -
Page 18: Knockout Hole For Wiring
Refer to the table for the wiring and breaker specifications of each installation condition. Breaker 1 Model Power source MAX. CKT. BKR GFEB Outdoor unit power Breaker 2 supply cable [Sub breaker] AOUA72ULBV5 29.3 A 40 A Breaker 1 Breaker 2 AOUA96ULBV5 37.7 A 50 A Crossover wiring of power supply AOUA120ULBV5 43.9 A... - Page 19 7.5.1 Transmission wiring specifications 7.5.3 Wiring rules for Heat Recovery system Follow the specifications below for the transmission cable. (1) Basic wiring rules Total transmission line length: maximum 11,811 ft (3,600 m) Size Cable type Remarks (A + C + D + E + F + G + H + J + K + N + W ≤ 11,811 ft (3,600 m)) LEVEL 4 (NEMA) nonpolar 22AWG LONWORKS ®...
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Page 20: Wiring Procedure
• If there are more than 321 units (*1) within 7.6. Wiring procedure the network system, a Signal amplifier (with the filter mode: on) must be installed • Remove the cover of the electrical compartment and follow the terminal plate to connect between the primary outdoor units. -
Page 21: Optional Parts Wiring
7.6.3 Connecting cables to the terminals 7.7. Optional parts wiring WARNING 7.7.1 Terminal positions Use ring terminals and tighten the terminal screws to the specified torques, otherwise, CN131 CN132 CN133 CN134 CN135 abnormal overheating may be produced and possibly cause heavy damage inside the EXT. -
Page 22: Field Setting
Input 1 Input 2 Input 3 Input 4 Input 5 8. FIELD SETTING CN131 CN135 CN132 CN133 CN134 (Yellow) (Green) (White) (Orange) (Red) CAUTION P.C.B Discharge the static electricity from your body before setting up the switches. Never touch the terminals or the patterns on the parts that are mounted on the main PC board. - Page 23 8.2.2 System type setting 8.2.4 Terminal resistor setting (1) DIP switch settings CAUTION Set the system type to SET2 heat recovery or heat System type Be sure to set the terminal resistor according to specifications. pump. Set the terminal resistor for every network segment (NS). Heat Recovery (factory setting) If terminal resistor is set in multiple devices, the overall communication system may be damaged.
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Page 24: Rotary Switch Setting
Priority given to the first 8.3. Rotary switch setting command Operation mode Priority given to external The rotary switch (REF AD) sets the refrigerant system address of the outdoor unit. Con- selecting method input of outdoor unit figure the settings only on the primary unit of a refrigerant system. (*1) If multiple refrigerant systems are connected, set the rotary switch (REF AD) as shown in Priority given to administra-... - Page 25 8.4.2 Setting procedure 42.8°F (6°C) (1) Turn on the power of the outdoor unit and enter standby mode. 14.0°F (-10°C) 17.6°F (-8°C) When system is normal When system is unusual 21.2°F (-6°C) POWER lamp lights up. (ER- Check the settings as there is an error in the settings for ROR lamp is off.) outdoor unit address (DIP switch SET3-1, 2) or number of 24.8°F (-4°C)
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Page 26: Address Setting For Signal Amplifiers
Example of Heat Recovery system 8.5. Address setting for Signal amplifiers (1) Signal amplifier 8.5.1 Address setting for Signal amplifiers Refrigerant system 1 When using Signal amplifiers, the address for Signal amplifiers must be set. The address for Signal amplifiers can be set automatically from 1 outdoor unit (primary unit) on the network. -
Page 27: Resistance Measurement Of Transmission Cable (Measure With Breaker Off)
Valve opening and closing operation 8.7. Resistance measurement of transmission cable Charging cap (Measure with breaker OFF) Valve Spindle Distance from termination resistor CAUTION Open Do not turn on the power if the resistance Open 0~100 ~200 ~300 ~400 ~500 between the terminals of the transmis- A short circuit somewhere or 2 sion cable is unusual. -
Page 28: Additional Charging
(1) Calculation of additional amount for outdoor unit. 9.3. Additional charging Outdoor unit 1 additional Outdoor unit 2 additional Outdoor unit 3 additional CAUTION amount for outdoor unit amount for outdoor unit amount for outdoor unit lb (kg) lb (kg) lb (kg) Do not turn on the power unless all operations are complete. -
Page 29: Installing Thermal Insulation
Perform test operation for each refrigerant system. 9.4. Installing thermal insulation You can set “cooling test operation" or “heating test operation” with the push button on the outdoor unit main PC board. • Install thermal insulation material after conducting the “9.1. Sealing test”. -
Page 30: Led Status
E 9 3. 1 Outdoor unit inverter compressor start up error 11. LED STATUS E 9 3. 4 Outdoor unit inverter compressor 2 start up error You can determine the operating status by the lighting up and blinking of the LED display. E 9 4.
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