Daikin FXHQ12MVJU Installation Manual
Vrv system inverter air conditioners ceiling suspended type
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Also See for FXHQ12MVJU:
- Operation manual (7 pages) ,
- Service manual (312 pages) ,
- Serivce manual (273 pages)
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Table of Contents
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Summary of Contents for Daikin FXHQ12MVJU
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Page 1: Installation Manual
INSTALLATION MANUAL SYSTEM Inverter Air Conditioners MODEL Ceiling Suspended type FXHQ12MVJU FXHQ24MVJU FXHQ36MVJU 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
SPLIT SYSTEM Air Conditioners Installation manual CONTENTS • Refrigerant gas is heavier than air and displaces oxygen. A massive leak could lead to oxygen depletion, espe- 1. SAFETY CONSIDERATIONS ..........2 cially in basements, and an asphyxiation hazard could 2. BEFORE INSTALLATION..........3 occur leading to serious injury or death. -
Page 3: Before Installation
• Before touching electrical parts, turn off the unit. Install the indoor unit as far away from fluorescent lamps as • Do not touch the switch with wet fingers. possible. Touching a switch with wet fingers can cause electric shock. •... -
Page 4: Selecting Installation Site
2-1 ACCESSORIES Is the unit safely grounded? It may result in electric shock. Check the following accessories are included with your unit. Is wiring size according to The unit may malfunction or specifications? the components burn out. (1) Drain (2) Metal (3) Washer for Name (4) Clamp... -
Page 5: Preparations Before Installation
Model ∗ ∗ 1 3/16 or more 1 3/16 or more FXHQ12MVJU 37 13/16 36 1/4 14 3/4 12 1/4 13 3/4 9 5/8 13 3/8 15 1/4 FXHQ24MVJU 55 1/8 53 1/2 23 1/2 20 7/8 22 3/8 18 1/4... -
Page 6: Indoor Unit Installation
• (ii) Accessories Hanger bracket fixing screw (M5) Protection net Decoration panel Hanger bracket setting bolt (M8) Hanger bracket Fig. 8 (4) Attach the suspension bolts. (Use suspension bolts Fig. 4 Decoration panel which are W3/8 or M8-M10 in size.) (ii) •... -
Page 7: Refrigerant Piping Work
• Execute thermal insulation work completely on both sides of the gas pipe and the liquid pipe. Hanger bracket Otherwise, a water leakage can result sometimes. (The temperature of the gas pipe can reach up to approximately 250°F, so use insulation pipe cover which is sufficiently resistant.) Attachment •... - Page 8 thoroughly studying the following figure and using the insula- Not recommended but in case of emergency tion pipe cover (6) and (7). (Fasten both ends with the clamps You must use a torque wrench, but if you are obliged to install (4).) (Refer to Fig.
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Page 9: Drain Piping Work
Good Top plate Tilt down Wrong Do not lift Make sure there is no slack Top penetration lid Make sure it is not in the water This hole not using it. Cut out Fig. 18 (A figure from an inside bottom) Fig. -
Page 10: Electric Wiring Work
8-2 ELECTRICAL CHARACTERISTICS Units Power supply Fan motor Voltage Model Volts range FXHQ12MVJU Max. Wrong 208- 253V FXHQ24MVJU Fig. 24 230V Min. 187V FXHQ36MVJU MCA: Min. Circuit Amps (A);MFA: Max. Fuse Amps (A) (2) Check to make sure the water flows smoothly after pip- W: Fan Motor Rated Output (W);FLA: Full Load Amps (A) - Page 11 Clamp (4) Fastener Ground wire Lock nut After securing the Power supply wire cramp material to the bracket, cut off any extra Clamp (4) material. Remote controller wire and Conduit hole Fastener transmission wire Fig. 28 Transmission P 1 P 2 F 1 F 2 T 1 T 2 terminal block (6P) Conduit REMOTE...
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Page 12: Attaching The Suction Grille, The Decoration Panels And The Protection Net
2. Tightening torque for the terminal screws. 2. For group control or use with 2 remote controllers • Use the correct screwdriver for tightening the terminal Power supply Power supply Power supply Power supply Outdoor unit screws. If the blade of screwdriver is too small, the head 208-230V 208-230V 208-230V... -
Page 13: Field Setting
11-2 2 REMOTE CONTROLLERS CONTROL (CON- Decoration TROLLING 1 INDOOR UNIT BY 2 REMOTE CON- panel TROLLERS) • When using 2 remote controllers, one must be set to “MAIN” and the other to “SUB”. MAIN/SUB CHANGEOVER (ii) Protection net Hook (1) Insert a screw driver into the recess between the upper and lower part of remote controller and, working from the 2... -
Page 14: Test Operation
Table 6 Wire specification Sheathed vinyl wire or cable (2 wires) Remote control display Content Gauge AWG 18-16 “ ” (under cen- • There is a short circuit at the Length Max. 328 ft. FORCED OFF terminals (T1, T2). tralized control) is lit up Contact that can ensure the minimum appli- External terminal •... - Page 15 (3) Press the OPERATION MODE SELECTOR button and Compressor motor lock malfunction upper figure of the malfunction code flashes. Outdoor fan motor lock malfunction (4) Continue pressing the PROGRAMMING TIME button Outdoor fan instantaneous overcurrent malfunction unit it makes 2 short beeps and find the upper code. Electronic expansion valve faulty (outdoor unit) (5) Press the OPERATION MODE SELECTOR button and Discharge pipe temperature abnormal (outdoor unit)
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