Related Manuals for Fujitsu Airstage AJT040LCLAH
Summary of Contents for Fujitsu Airstage AJT040LCLAH
- Page 1 INSTALLATION MANUAL OUTDOOR UNIT For authorized service personnel only. AJT040LCLAH AJT045LCLAH AJT054LCLAH PART No. 9380545149-02...
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Page 2: Table Of Contents
INSTALLATION MANUAL 1. SAFETY PRECAUTIONS OUTDOOR UNIT • Be sure to read this Installation manual thoroughly before installation. PART No. 9380545149-02 • The warnings and precautions indicated in this Installation manual contain important Contents information pertaining to your safety. Be sure to observe them. •... -
Page 3: About This Product
2. ABOUT THIS PRODUCT During installation, make sure that the refrigerant pipe is attached fi rmly before you run the compressor. Do not operate the compressor under the condition of refrigerant piping not attached 2. 1. Precautions for using R410A refrigerant properly with 2-way or 3-way valve open. -
Page 4: Optional Parts
2. 4. Optional parts 3. 2. Drain processing CAUTION CAUTION The following parts are optional parts specifi c to R410A refrigerant. Perform drain work in accordance with this Manual, and ensure that the drain water Do not use parts other than those listed below. is properly drained. -
Page 5: Transporting The Unit
When an obstruction is present also in the upward area (Unit: mm) CAUTION • Obstacles at rear and above only Installation methods not shown in the following examples are not recommended. Performance may drop signifi cantly. 3.3.1. Single outdoor unit installation When the upward area is open (Unit: mm) 1500 (1) Obstacles at rear only... -
Page 6: Installing The Unit
3. 5. Installing the unit 4. SYSTEM CONFIGURATION • Please install the outdoor unit without slant. (within 3 degrees ) 4. 1. System confi guration • Install 4 anchor bolts at the locations indicated with arrows in the fi gure. •... -
Page 7: Pipe Selection
Table. E (Indoor unit capacity comparison table - The indication of power is dif- 4. 2. Pipe selection ferent depending on the model.) Model code of indoor unit Capacity [kW] CAUTION This unit is designed specifi cally for use with the R410A refrigerant. Pipes for R407C or R22 may not be used with this unit. -
Page 8: Indoor Unit Pipe Connections
5. 3. Opening the knockout hole 5. 2. Indoor unit pipe connections CAUTION CAUTION Be careful not to deform or scratch the panel while opening the knockout holes. For details, refer to the Installation Instruction Sheet of each part. To protect the piping insulation after opening a knockout hole, remove any burrs Separation tube from the edge of the hole. -
Page 9: Pipe Connection
5. 4. 3. Pipe connection 5. 4. Pipe connection CAUTION CAUTION Be sure to install the pipe against the port on the indoor unit and the outdoor unit cor- rectly. If the centering is improper, the fl are nut cannot be tightened smoothly. Do not use mineral oil on a fl... -
Page 10: Electrical Wiring
6. ELECTRICAL WIRING 6. 2. Knockout hole 6. 1. The precautions of electrical wiring CAUTION Be careful not to deform or scratch the panel while opening the knockout holes. WARNING Wiring connections must be performed by a qualifi ed person in accordance with After opening the knockout holes, remove burr on the edges, and attach the one- specifi... -
Page 11: Selecting Power Supply Cable And Breaker
6. 4. 1. Transmission wiring specifi cations 6. 3. Selecting power supply cable and breaker Follow the specifi cations below for the transmission cable. CAUTION Size Cable type Remarks Regulation of cable size and circuit breaker diff ers from each locality, please refer in 22AWG LEVEL 4 (NEMA) LONWORKS ®... -
Page 12: Wiring Method
6. 5. 2. Wiring procedure 6. 4. 3. Enabling/Disabling automatic address setting • Remove the service panel. And connect the cable to the terminal in accordance with You can enable/disable automatic address setting for the indoor unit and the signal the terminal name plate. -
Page 13: External Input And External Output
Wind with insulation tape to prevent short circuit 6. 6. 2. External input terminal • Setting to low noise mode, cooling priority/heating priority selection, outdoor unit operation peak control setting, emergency/batch stop and electricity meter pulse are possible from the outside. Wiring method and specifi... -
Page 14: Field Setting
7. FIELD SETTING DC power supply P.C.B (External) 12 - 24V CAUTION CN136 Discharge the static electricity from your body before setting up the DIP switches. (Black) or CN137 Never touch the terminals or the patterns on the parts that are mounted on the PC (Blue) board. -
Page 15: Rotary Switch Setting
7. 2. 2. Terminating resistor setting 7. 4. Push button setting CAUTION Various functions can be set when necessary. Perform settings after all indoor units have stopped operation. Be sure to set the terminal resistor according to specifi cations. Table. A: List of Settings Set the terminal resistor for every network segment (NS). - Page 16 ○ (2) Setting method (Forbidden) (Factory setting) 1: Function setting ○ (Forbidden) (Factory setting) First 2 digits Last 2 digits 7 segment LED indicator ○ Capacity priority Off (quiet priority) (LED105, LED104) setting (in low On (capacity priority) noise mode) MODE/EXIT If the cooling/heating performance becomes insuffi...
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Page 17: Address Setting For Signal Amplifi Ers
Use the “MODE/EXIT”, “SELECT”, and “ENTER” buttons to confi gure settings according 7. 6. Indoor unit address setting to the procedures below. (If no setting is made, the factory setting will be displayed.) 7. 6. 1. Indoor unit address setting MODE/EXIT : Press the “MODE/EXIT”... -
Page 18: Resistance Measurement Of Transmission Cable (Measure With Breaker Off)
8. PIPE INSTALLATION II Fig. A Connection system Pressure regulating valve Automatic address setting Outdoor unit Pressure gauge for indoor units First 2 digits Last 2 digits Nitrogen Press the “SELECT” button until “11” is displayed. SELECT Press the “ENTER” button for more Indoor Indoor than 3 seconds. -
Page 19: Vacuum Process
8. 3. 1. Procedure for charging the system with refrigerant 8. 2. Vacuum process (1) Remove the charging port cap from the liquid pipe. (2) Attach a charging hose to the refrigerant cylinder, and connect it to the charging port. CAUTION (3) Add refrigerant by calculating the additional refrigerant volume in accordance with the calculation formula indicated below. -
Page 20: Filling With Putty
Table. Selection of insulation • Turn on the power of indoor unit and outdoor unit. (for using an insulation material with equal heat transmission rate or below 0.040W/(m·k)) Insulation material Minimum thickness (mm) Relative humidity ≤ 70% ≤ 75% ≤ 80% ≤... -
Page 21: Test Run
Perform test operation for each refrigerant system. 9. 1. 3. Error displays You can set “cooling test run" or “heating test run” with the push button on the outdoor unit • When error occurs, “Err” and “Number of errors occurred” are alternately displayed PC board. -
Page 22: Checklist
10. LED STATUS 9. 4. Checklist You can determine the operating status by the lighting up and blinking of the LED dis- Check description Check method Criteria play. Cooling: low pressure Check the status using the table below. High and low pressure values Check it with a pres- approx. -
Page 23: Information
Dry-bulb temperature and wet-bulb tem- 16. Condition of max. cooling perature at maximum electric current and input 17. Manufacture year Manufacture year 18. Origin Origin country Manufacturer FUJITSU GENERAL LIMITED 19. Manufacturer Address: 3-3-17, Suenaga, Takatsu-ku, Kawasaki 213-8502, Japan Label En-22...