Daikin FXFQ12MVJU Installation Manual
Vrv system inverter air conditioner
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Also See for FXFQ12MVJU:
- Operation manual (7 pages) ,
- Service manual (312 pages) ,
- Serivce manual (273 pages)
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MODELS
Ceiling-mounted Cassette type (Multi flow model)
FXFQ12MVJU
FXFQ18MVJU
FXFQ24MVJU
FXFQ30MVJU
FXFQ36MVJU
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 FXFQ12MVJU
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Page 1: Installation Manual
INSTALLATION MANUAL SYSTEM Inverter Air Conditioners MODELS Ceiling-mounted Cassette type (Multi flow model) FXFQ12MVJU FXFQ18MVJU FXFQ24MVJU FXFQ30MVJU FXFQ36MVJU 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..........2 2. BEFORE INSTALLATION..........3 3. SELECTING INSTALLATION SITE .........4 4. PREPARATIONS BEFORE INSTALLATION....5 5. INSTALLATION PROCEDURES FOR FRESH AIR INTAKE DUCT CONNECTION .........6 6. INDOOR UNIT INSTALLATION........6 7. REFRIGERANT PIPING WORK ........7 8. DRAIN PIPING WORK.............8 9. ELECTRIC WIRING WORK...........10 10. -
Page 3: Safety Considerations
VRV SYSTEM Inverter Air Conditioners Installation manual CONTENTS • Be sure to use only the specified accessories and parts for installation work. 1. SAFETY CONSIDERATIONS ......... 2 Failure to use the specified parts may result in water leakage, 2. BEFORE INSTALLATION ..........3 electric shocks, fire or the unit falling. -
Page 4: Before Installation
• Laden with mineral oil, or filled with oil vapor or spray CAUTION like in kitchens. (Plastic parts may deteriorate which • While following the instructions in this installation man- could eventually cause the unit to fall out of place, or ual, install drain piping in order to ensure proper drain- could lead to leaks.) age and insulate piping in order to prevent... -
Page 5: Selecting Installation Site
SELECTING INSTALLATION SITE OPTIONAL ACCESSORIES • The optional decoration panel and remote controller are Please attach additional thermal insulation material to the unit required for this indoor unit. body when it is believed that the relative humidity in the ceiling exceeds 80%. -
Page 6: Preparations Before Installation
(4) Use suspension bolts for installation. Check whether the ceiling is strong enough to support the weight of the unit or not. If there is a risk, reinforce the ceiling before installing the unit. (Installation pitch is marked on the paper pattern for instal- lation. -
Page 7: Installation Procedures For Fresh Air Intake Duct Connection
(2) Make the ceiling opening needed for installation where applicable. (For existing ceilings) • Refer to the paper pattern for installation 5) for ceiling opening dimensions. • Create the ceiling opening required for installation. From the side of the opening to the casing outlet, implement the refrigerant and drain piping and wiring for remote con- troller (unnecessary for wireless type) and indoor-out- door unit casing outlet. -
Page 8: Refrigerant Piping Work
For new ceilings For existing ceilings (2) • Refer to the paper pattern for installation 5) for ceiling (2) Adjust the height and position of the unit. (Refer to “PREPARATIONS BEFORE INSTALLATION- opening dimension. Consult the builder or carpenter for details. (1)”.) (3) Perform steps (4), (5) in “6-1 For new ceilings”. -
Page 9: Drain Piping Work
NOTE CAUTION • Apply ester oil or ether oil around the flare portions before Be sure to insulate any field piping all the way to the piping connecting. connection inside the unit. Any exposed piping may cause • The flare nuts used must be those included with the main condensation or burns if touched. - Page 10 • Use the attached drain hose 1) and clamp metal 2). NOTE Insert the drain hose into the drain socket, up to the white tape. Tighten the clamp until the screw head is less than • Drain piping connections 3/16” from the hose. Do not connect the drain piping directly to sewage pipes that •...
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Page 11: Electric Wiring Work
Allowable length of transmission wirings and remote controller wiring are as follows. (1) Outdoor unit – Indoor unit: Max. 3280 ft. (Total wiring length: 6560 ft.) (2) Indoor unit – Remote controller: Max. 1640 ft. 10. WIRING EXAMPLE AND HOW TO SET THE REMOTE CONTROLLER 10-1 HOW TO CONNECT WIRINGS 〈Methods of wiring power supply, units and connecting remote... - Page 12 4. Outside of the unit, keep transmission wiring at least CAUTION 1 15/16” away from power supply wiring. The equipment • Be sure to attach the sealing material or putty (field supplied) may malfunction if subjected to electrical (external) noise. to hole of wiring to prevent the infiltration of water as well as 5.
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Page 13: Field Setting
(2) Actuation NOTE • The following table explains FORCED OFF and ON/OFF 1. A single switch can be used to supply power to units on the OPERATIONS in response to Input A. same system. However, branch switches and branch circuit breakers must be selected carefully. -
Page 14: Installation Of The Decoration Panel
12. INSTALLATION OF THE DECORATION PANEL Refer to the installation manual attached to the decoration panel. After installing the decoration panel, ensure that there is no space between the unit body and decoration panel. 13. TEST OPERATION Refer to the installation manual of the outdoor unit. •... - Page 15 MEMO...
- Page 16 Daikin US Corporation 375 Park Avenue, Suite 3308 New York, NY 10152 �� www.daikinac.com info@daikinac.com �� 3PN01417-8U EM03A040B (0403) HT...
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