Daikin FHQ125CAVEB Installation Manual

MODELS(Ceiling Suspended type)FHQ35CAVEB FHQ100CAVEBFHQ50CAVEB FHQ125CAVEBFHQ60CAVEB FHQ140CAVEBFHQ71CAVEBSPLIT SYSTEM Air ConditionersINSTALLATION MA

9 English(4) Tighten the hanger installing bolts (M8) at 4 places securely. (Refer to Fig. 11)(5) When hanging the indoor unit, make sure to use the l

English 106. REFRIGERANT PIPING WORK• For the outdoor unit refrigerant piping, refer to the installation manual attached to the outdoor unit.• Carry o

11 English• For the tightening torque, refer to the Table 1.Table 1 CAUTION• Do not have oil adhere to the screw fixing part of resin parts.If oil adh

English 12• After leak test, referring to Fig. 15, insulate both the gas and liquid piping connection with the attached joint insulating material (6)

13 English(1) For rear side piping• Remove the rear piping penetration cover, and connect the piping. (Refer to Fig. 16 and Fig. 18)(2) For upward pip

English 14• After piping is finished, cut the removed penetration cover along the shape of piping, and install.Also, for top panel penetration cover,

15 English7. DRAIN PIPING WORK(1) Carry out drain piping.• Carry out drain piping so that drainage can ensured.• Drain piping can be connected from th

English 16• Make sure to use the attached drain hose (1) and metal clamp (2). Also, insert the drain hose (1) into the root of the drain socket, and t

17 English< CAUTION >• To avoid the attached drain hose (1) getting excessive force, do not bend nor twist it. (It may cause water leakage.)• Wh

English 188. ELECTRIC WIRING WORK8-1 GENERAL INSTRUCTIONS• Make certain that all electric wiring work is carried out by qualified personnel according

1 EnglishFHQ35CAVEBFHQ50CAVEBFHQ60CAVEBFHQ71CAVEBFHQ100CAVEBFHQ125CAVEBFHQ140CAVEBSPLIT SYSTEM Air Conditioners Installation manualCONTENTS1. SAFETY P

19 English• If the above is not available, make sure to observe the following items.• 2 wirings of different sizes to the terminal block for power sup

English 20WARNINGWhen wiring, form the wirings orderly so that the control box lid can be securely fastened. If the control box lid is not in place, t

21 English• In case the piping penetration cover is cut off and used as wiring penetration hole, after the wiring connec-tion is finished, mend the co

English 22• 2 remote controllers control: 2 remote controllers control 1 indoor unit. (Refer to Fig. 36)NOTE1. Terminal numbers of outdoor and indoor

23 EnglishWhen implementing group control• When using as a pair unit or as a master unit for simultaneous operation system, you may carry out simul-ta

English 24Two remote controllers control (Controlling 1 indoor unit by 2 remote controllers)• When using 2 remote controllers, one must be set to “MAI

25 English10. MOUNTING SUCTION GRILLE · DECORATION SIDE PANELInstall securely in the reverse order when decoration side panel and suction grille were

English 2611-2 WHEN USING WIRELESS REMOTE CONTROLLER• When using a wireless remote controller, it is necessary to set the wireless remote controller a

27 English11-6 SETTING NUMBER OF THE CONNECTED INDOOR UNITS AS SIMULTANEOUS OPERA-TION SYSTEM• When using in simultaneous operation system mode, chang

English 28NOTE• Terminal numbers of outdoor and indoor units must be matched.12. TEST OPERATION〈Complete all the “1. Items to be checked after the ins

English 2• Be sure to use only the specified parts and accessories for installation work.Failure to use the specified parts may result in the air cond

29 English[Mode switching] 12-1 HOW TO DIAGNOSE FOR PROBLEMSWith the power on. Troubles can be monitored on the remote controller.The fault diagnosis

English 3012-2 MALFUNCTION CODE• For places where the malfunction code is left blank, the “ ” indication is not displayed. Though the sys-tem continue

31 EnglishEACooling/heating switch malfunction (Outdoor unit)F3Discharge piping temperature malfunction (Outdoor unit)F6High pressure control(in cooli

English 32CAUTIONAfter test operation is completed, check the items mentioned in the clause 2 “2. Items to be checked at deliv-ery” on page 4.If the i

33 English13. WIRING DIAGRAM(Refer to Fig. 40)1 (NOTE 9) 2 TO OUTDOOR UNIT (NOTE 3)3 INDOOR UNIT 4 (NOTE 5)5(NOTE 5) 6CENTRAL REMOTE CONTROLLER (NOTE

English 343D079559-1A FHQ35 • 50 • 60 • 71 • 100 • 125 • 140CAVEBA1PC105F1UHAPKPRM1FM1SR1TR2T·R3TSS1V1RX1MX2MZ1FZ1CPSRCTCR1T THERMISTOR (AIR)A2PA3PBS1

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3 English2. BEFORE INSTALLATIONWhen unpacking and moving the indoor unit after unpacked, do not apply force to the piping (refrig-erant and drain) and

English 42-2 OPTIONAL ACCESSORIES• For this indoor unit, the remote controller is separately required.• There are 2 kinds of remote controller; wired

5 EnglishPoints of the operation explanation3. SELECTION OF INSTALLATION LOCATIONWhen unpacking and moving the indoor unit after unpacked, do not appl

English 64. PREPARATION BEFORE INSTALLATION(1) For the locations of indoor unit hanging bolts, piping outlet holes, drain piping outlet hole, and ele

7 English(3) Remove the parts of the indoor unit.1) Remove the suction grille.• Slide the suction grille fixing knobs (35, 50 type: 2 places for each,

English 8CAUTIONDo not remove the tape (milky white) applied to the outside of the indoor unit. It may cause electric shocks or a fire.(4) Install the