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See also:
Operating Manual
SPLIT SYSTEM Air Conditioners
MODELS
Ceiling-mounted Cassette type (Multi flow model)
FCQ24MVJU
FCQ30MVJU
FCQ36MVJU
FCQ42MVJU
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
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Table of Contents
Related Manuals for Daikin FCQ24MVJU
Summary of Contents for Daikin FCQ24MVJU
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Page 1: Installation Manual
INSTALLATION MANUAL SPLIT SYSTEM Air Conditioners MODELS Ceiling-mounted Cassette type (Multi flow model) FCQ24MVJU FCQ30MVJU FCQ36MVJU FCQ42MVJU 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 • If the refrigerant gas leaks during installation, ventilate the area immediately. 1. SAFETY CONSIDERATIONS ..........2 Refrigerant gas may produce toxic gas if it comes in contact 2. BEFORE INSTALLATION ..........3 with fire such as from a fan, heater, stove or cooking device. Exposure to this gas could result in severe injury or death. -
Page 3: Before Installation
• Do not install the air conditioner in the following loca- • In a domestic environment this product may cause radio tions: interference in which case the user may be required to (a) where a mineral oil mist or an oil spray or vapor is pro- take adequate measures. -
Page 4: Optional Accessories
ACCESSORIES FOR THE FOLLOWING ITEMS, TAKE SPECIAL Check the following accessories are included with your unit. CARE DURING CONSTRUCTION AND CHECK AFTER INSTALLATION IS FINISHED. (3) Washer for (1) Drain (2) Metal Name hanger (4) Clamp hose clamp a. Items to be checked after completion of work bracket Quantity 1 pc. -
Page 5: Preparations Before Installation
PREPARATIONS BEFORE INSTALLATION DANGER (1) Relation of ceiling opening to unit and suspension bolt • Do not install unit in an area where flammable materials are position present due to the risk explosion resulting in serious injury or Refrigerant death. pipe WARNING •... -
Page 6: Installation Procedures For Fresh Air Intake Duct Connection
INSTALLATION PROCEDURES FOR 33 13/16 FRESH AIR INTAKE DUCT CONNECTION (Opening dimension inside the frame for ceiling) (1) Cut off the knockout hole on the side plate. Then, cut the inner insulation of the hole portion. Frame (Refer to Fig. 1) (2) Adhere the insulation for opening of unit to the opening. -
Page 7: Indoor Unit Installation
INDOOR UNIT INSTALLATION 〈 〈 〈 〈 Ceiling work 〉 〉 〉 〉 (3) Adjust the unit to the right position for installation. Installing optional accessories (except for the decoration (Refer to “PREPARATIONS BEFORE INSTALLATION- panel) before installing the indoor unit is easier. However, (1)”.) (Page 5) for existing ceilings, install fresh air inlet component kit and branch duct before installing the unit. -
Page 8: Piping Insulation
Connecting the refrigerant pipe Not recommended but in case of emergency • When connecting the flare nut, coat the flare both inside and You must use a torque wrench but if you are obliged to outside with ester oil and initially tighten by hand 3 ether install the unit without a torque wrench, you may or 4 turns before tightening firmly. -
Page 9: Drain Piping Work
Brazing refrigerant piping • Before brazing local refrigerant pipe, nitrogen gas shall be blown through the pipe to expel air from the pipe. If your brazing is done without nitrogen gas blowing, a large amount of oxide film develops inside the pipe, and could cause system malfunction. -
Page 10: Electric Wiring Work
The water inlet lid NOTE Drain pipe • The incline of attached drain hose (1) should be 2 15/16 in. or Portable pump less so that the drain socket does not have to stand addi- tional force. Inspection opening Drain hose (1) (accessory) Bucket (Adding water from inspection opening) -
Page 11: Wiring Example And How To Set The Remote Controller
Lock nut Voltage Otherwise a short-circuit may occur inside Model Volts range the control box. Rubber FCQ24MVJU 0.09 Wrap pad tightly enough bush to prevent gapping. FCQ30MVJU 0.09 208- Max. 253 Sealing pad (Small) 230V Min. - Page 12 10-2 WIRING EXAMPLE WARNING • Fit the power supply wire of each unit with a switch and fuse • Never connect power supply wiring to the terminal block for as shown in the drawing. remote controller wiring as this could damage the entire sys- COMPLETE SYSTEM EXAMPLE tem.
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Page 13: Field Setting
10-3 CONTROL BY 2 REMOTE CONTROLLERS (3) How to select FORCED OFF and ON/OFF OPERATION (Controlling 1 indoor unit by 2 remote controllers) • Turn the power on and then use the remote controller to select operation. • When using 2 remote controllers, one must be set to “MAIN” and the other to “SUB”. -
Page 14: Test Operation
13. TEST OPERATION (2) With the wireless remote controller. (Refer also to the operation manual attached to the wireless Refer to the section of “FOR THE FOLLOWING ITEMS, remote controller) TAKE SPECIAL CARE DURING CONSTRUCTION AND When the operation stops due to trouble, the display on the CHECK AFTER INSTALLATION IS FINISHED.”... - Page 15 13-3 MALFUNCTION CODE Suction pipe temperature abnormal • For places where the Malfunction code is left blank, the Power source voltage malfunction “ ” indication is not displayed. Though the system contin- Includes the defect in K1M. ues operating, be sure to inspect the system and make The check operation has not performed.
- Page 16 1645 Wallace Drive, Suite 110 Carrollton, TX 75006 info@daikinac.com www.daikinac.com 3PN06240-3E EM04A053C (0510) HT...
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