Daikin FXLQ12MVJU Installation Manual
Vrv system inverter air conditioners
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Also See for FXLQ12MVJU:
- Operation manual (6 pages) ,
- Service manual (312 pages) ,
- Serivce manual (273 pages)
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MODELS
Floor standing type and Concealed floor standing type
FXLQ12MVJU FXNQ12MVJU
FXLQ18MVJU FXNQ18MVJU
FXLQ24MVJU FXNQ24MVJU
Read these instructions carefully before installation.
Keep this manual in a handy place for future reference.
This manual should be left with the equipment owner.
INSTALLATION MANUAL
SYSTEM Inverter Air Conditioners
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Table of Contents
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Summary of Contents for Daikin FXLQ12MVJU
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Page 1: Installation Manual
INSTALLATION MANUAL SYSTEM Inverter Air Conditioners MODELS Floor standing type and Concealed floor standing type FXLQ12MVJU FXNQ12MVJU FXLQ18MVJU FXNQ18MVJU FXLQ24MVJU FXNQ24MVJU Read these instructions carefully before installation. Keep this manual in a handy place for future reference. This manual should be left with the equipment owner. -
Page 2: Table Of Contents
1. SAFETY CONSIDERATIONS..........1 2. BEFORE INSTALLATION..........2 3. SELECTING INSTALLATION SITE .........3 4. PREPARATIONS BEFORE INSTALLATION....4 5. INDOOR UNIT INSTALLATION........4 6. REFRIGERANT PIPING WORK ........5 7. DRAIN PIPING WORK.............6 8. ELECTRIC WIRING WORK..........7 9. WIRING EXAMPLE AND HOW TO SET THE REMOTE CONTROLLER ........7 10. -
Page 3: Safety Considerations
VRV SYSTEM Inverter Air Conditioners Installation manual CONTENTS • Install the air conditioner on a foundation strong enough to withstand the weight of the unit. 1. SAFETY CONSIDERATIONS..........1 A foundation of insufficient strength may result in the equip- 2. BEFORE INSTALLATION..........2 ment falling and causing injuries. -
Page 4: Before Installation
• Where corrosive gas like sulfurous gas exists. (Cop- CAUTION per tubing and brazed spots may corrode which could • While following the instructions in this installation man- eventually lead to refrigerant leaks.) ual, insulate piping in order to prevent condensation. •... -
Page 5: Selecting Installation Site
SELECTING INSTALLATION SITE FOR THE FOLLOWING ITEMS, TAKE SPECIAL CARE DURING CONSTRUCTION AND CHECK (1) Select an installation site where the following condi- AFTER INSTALLATION IS FINISHED. tions are satisfied and that meets with your customer’s approval. a. Items to be checked after completion of work •... -
Page 6: Preparations Before Installation
As for the parts to be used for installation work, be sure to use the provided accessories and specified parts designated by Daikin. (1) Level the indoor unit with the leveling screws (7). If the floor is too uneven to level the unit, place the unit on a flat base and level. -
Page 7: Refrigerant Piping Work
(4) Perform the following procedure to mount the remote • After inspecting pipe joints for gas leakage, be sure to insu- controller (optional accessory) on the unit if desired. late with the accessory joint insulation for fitting (3) (4) while (FXLQ type only) referring to the figure below. -
Page 8: Drain Piping Work
CAUTION Not recommendable but in case of emergency You must use a torque wrench but if you are obliged to install CAUTION TO BE TAKEN WHEN BRAZING REFRIGER- the unit without a torque wrench, you may ANT PIPING follow at the installation method mentioned below. Do not use flux when brazing refrigerant piping. -
Page 9: Electric Wiring Work
Power Units Fan motor supply Voltage Model Hz Volts MCA MFA range FXLQ12MVJU, FXNQ12MVJU 208- Max. 253 Min. 187 FXLQ18 · 24MVJU, NOTE FXNQ18 · 24MVJU • For wiring to the electric parts box, also see “Wiring Diagram” MCA: Min. Circuit Amps (A); MFA: Max. Fuse Amps (A) label on the back of the electric parts box lid. - Page 10 7. Use only specified wire and tightly connect wires to termi- CAUTION nals. Be careful wires do not place external stress on termi- • Be sure to attach the sealing material or putty (field supplied) nals. Keep wiring in neat order and so as not to obstruct to the hole for wiring to prevent the infiltration of water as well other equipment such as popping open the electric parts as any insects and other small creatures from outside.
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Page 11: Field Setting
3. When including BS unit Wiring Method (See ‘‘8. ELECTRIC WIRING WORK’’) (3) Remove the electric parts box lid (4) Add remote control 2 (slave) to the terminal block for remote controller (P ) in the electric parts box. (There is no polarity.) (Refer to Fig. 2 and 8-3.) COMPUTERISED CONTROL (FORCED OFF AND ON/OFF OPERATION) (1) Wire specifications and how to perform wiring... -
Page 12: Test Operation
• Set the remote controller to the field set mode. For details, refer to the “HOW TO SET IN THE FIELD”, in the remote controller manual. • When in the field set mode, select mode No. 12, then set the first code (switch) No. to “1”. Then set second code (position) No. - Page 13 Daikin US Corporation 375 Park Avenue, Suite 3308 New York, NY 10152 �� www.daikinac.com info@daikinac.com �� 3P086154-3E EM04A011 (0407) HT...
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