Table of Contents
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AIR CONDITIONER
INDOOR UNIT
Ceiling type
INSTALLATION MANUAL
For authorized service personnel only.
Contents
1.
SAFETY PRECAUTIONS ............................................. 2
2.
ABOUT THE UNIT ........................................................ 2
3.
INSTALLATION WORK ................................................ 3
4.
PIPE INSTALLATION ................................................... 6
5.
INSTALLING DRAIN PIPES ......................................... 8
6.
ELECTRICAL WIRING ................................................. 9
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7.
REMOTE CONTROLLER SETTING .......................... 11
8.
FUNCTION SETTING ................................................ 11
9.
SIGNAL CODE ........................................................... 13
10. TEST RUN .................................................................. 14
11. CHECK LIST ............................................................... 14
12. ERROR CODES ......................................................... 15
13. SPECIAL INSTALLATION METHODS ....................... 16
14. FRESH-AIR INTAKE .................................................. 16
15. CUSTOMER GUIDANCE ........................................... 16
PART NO. 9379122009-02
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Summary of Contents for Fujitsu ABYA45LCT
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Page 1: Table Of Contents
AIR CONDITIONER INDOOR UNIT Ceiling type INSTALLATION MANUAL For authorized service personnel only. Contents REMOTE CONTROLLER SETTING ......11 SAFETY PRECAUTIONS ..........2 7.1. Load batteries (R03/LR03 × 2) ABOUT THE UNIT ............2 7.2. Remote control unit holder installation 2.1. -
Page 2: Safety Precautions
1. SAFETY PRECAUTIONS 2.2. Special tools for R410A • Be sure to read this Manual thoroughly before installation. WARNING • The warnings and precautions indicated in this Manual • To install a unit that uses R410A refrigerant, use dedi- contain important information pertaining to your safety. Be cated tools and piping materials that have been manufac- sure to observe them. -
Page 3: Accessories
2.3. Accessories 2.4. Optional parts Exterior Parts name Model No. Summary WARNING • For installation purposes, be sure to use the parts sup- Wired Unit control is per- remote UTB-*UD formed by wired plied by the manufacturer or other prescribed parts. controller remote controller The use of non-prescribed parts can cause serious ac-... -
Page 4: Installation Dimension
Install the indoor unit on a place having a sufficient 3.3. Installation the unit strength so that it withstands against the weight of the indoor unit. WARNING The inlet and outlet ports should not be obstructed; the air should be able to blow all over the room. • Install the air conditioner in a location which can with- Leave the space required to service the air conditioner. - Page 5 3.3.6. Installing the indoor unit [For Half-Concealed Installation] • Suspension-bolt pitch should be as shown in the figure. Lift unit so that suspension bolts pass through the suspen- sion fittings at the sides (four places), and slide the unit Ceiling Opening: 1580 back. Ceiling panel Ceiling Ceiling Opening: 640 Ceiling panel Wall Suspension bolt should extend outward 30 to 50 mm. INDOOR UNIT Unit : mm Ceiling panel 3.3.4.
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Page 6: Pipe Installation
• Use pipe with water-resistant heat insulation. 4. PIPE INSTALLATION CAUTION • Install heat insulation around both the gas and liquid CAUTION pipes. Failure to do so may cause water leaks. • Be more careful that foreign matter (oil, water, etc.) does Use heat insulation with heat resistance above 120 °C. -
Page 7: Pipe Connection
When the flare nut is tightened properly by your hand, 4.3.2 Bending pipes hold the body side coupling with a separate spanner, then • If pipes are shaped by hand, be careful not to collapse tighten with a torque wrench. (See the table below for the them. flare nut tightening torques.) • Do not bend the pipes in an angle more than 90°. -
Page 8: Installing Heat Insulation
• Always heat insulate (8 mm or over thick) the indoor side of 4.4. Installing heat insulation the drain pipe. Drain pipe CAUTION • After checking for gas leaks (refer to the Installation Good Arrange the drain pipe Manual of the outdoor unit), perform this section. lower than this portion. -
Page 9: Electrical Wiring
6. ELECTRICAL WIRING 6.1. Electrical requirement Connection cable (mm WARNING MAX. MIN. • Electrical work must be performed in accordance with this Manual by a person certified under the national or • Use conformed cable with Type 245 IEC57. regional regulations. Be sure to use a dedicated circuit • Perform all electrical work according to the standard. -
Page 10: Remote Controller Setting
Use the specified wires, connect them securely, and fasten Attach the connection cable and cable clips. Make sure them so that there is no stress placed on the terminals. that they are positioned so that they will not interfere with Use an appropriate screwdriver to tighten the terminal opening and closing of the intake grille or with removal screws. -
Page 11: Remote Control Unit Holder Installation
NOTE: • After the power is turned on, perform the “FUNCTION • Never mix new and used batteries, or batteries of different SETTING” according to the installation conditions using the types. remote controller. • Batteries should last about one year under normal use. If • The settings may be selected between the following two: the Remote Control Unit’s operating range becomes appre- Function Number or Setting Value. -
Page 12: Function Setting
Setting the Cooler Room Temperature Correction 8.2. Function setting • Depending on the installed environment, the room tempera- STEP 2 ture sensor may require a correction. The settings may be Selecting the Function Number and Setting Value selected as shown in the table below. (The unit is factory-set to “00”.) Press the SET TEMP. -
Page 13: Selecting The Remote Control Unit Signal Code
Indoor unit setting 9. SELECTING THE REMOTE CONTROL Jumper wire UNIT SIGNAL CODE Remote control unit signal code When two or more air conditioners are installed in a room and Connect Connect A (Primary setting) the remote control unit is operating an air conditioner other Disconnect Connect than the one you wish to set, change the signal code of the... -
Page 14: Check List
[Using the wired remote control] (Option) The OPERATION, TIMER and FILTER Lamp operate as fol- lows table according to the error contents. • For the operation method, refer to the operating manual. Stop the air conditioner operation. OPERATION TIMER FILTER Press the master control button and the fan control button Error contents Lamp... -
Page 15: Special Installation Methods
Unit number 13. SPECIAL INSTALLATION METHODS Error code CAUTION SU MO TU WE TH FR SA • When setting DIP switches, do not touch any other parts on the circuit board directly with your bare hands. • Be sure to turn off the main power. Ex. Self-diagnosis [Group control system] Error code... -
Page 16: Fresh-Air Intake
Remote controller setting 14. FRESH-AIR INTAKE Turn on all of the indoor units. Turn on the indoor unit with the unit number 0 last. Open up the knockout hole for the fresh-air intake, as (Within 1 minute) shown in the figure. (If using half-concealed installation, When the indoor units are turned on, error codes open up the top knockout hole instead.) 01 and 31 will be displayed;...