Daikin FFQ25BV1B Installation Manual

Split system air conditioners

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Operation manual (17 pages)

Service manual (390 pages)

Overview (22 pages)

See also: Service Manual , Operating Manual

FFQ25BV1B

FFQ35BV1B

FFQ50BV1B

FFQ60BV1B

1. SAFETY CONSIDERATIONS ....................................................................................1

2. BEFORE INSTALLATION ..........................................................................................3

3. SELECTING INSTALLATION SITE ............................................................................5

4. PREPARATIONS BEFORE INSTALLATION .............................................................6

5. INDOOR UNIT INSTALLATION ..................................................................................7

6. REFRIGERANT PIPING WORK ................................................................................9

7. DRAIN PIPING WORK ..............................................................................................11

8. WIRING EXAMPLE ..................................................................................................14

9. ELECTRIC WIRING WORK .....................................................................................15

10. FIELD SETTINGS ....................................................................................................18

11. INSTALLATION OF THE DECORATION PANEL ....................................................19

12. TEST OPERATION ..................................................................................................19

13. WIRING DIAGRAM ..................................................................................................22

1. SAFETY CONSIDERATIONS

Please read these "SAFETY CONSIDERATIONS" carefully before installing air conditioning equipment and

be sure to install it correctly. After completing the installation, make sure that the unit operates properly dur-

ing the start-up operation. Please instruct the customer how to operate the unit and keep it maintained.

Also, inform customers that they should store this installation manual along with the operation manual for

future reference.

This air conditioner comes under the term "appliances not accesible to the general public".

Meaning of warning and caution symbols

WARNING ..........Failure to observe a warning may result in death.

CAUTION ...........Failure to observe a caution may result in injury or damage to the equipment.

WARNING

• Ask your dealer or qualified personnel to carry out installation work. Do not try to install the machine your-

self.

Improper installation may result in water leakage, electric shocks or fire.

• Perform installation work in accordance with this installation manual.

Improper installation may result in water leakage, electric shocks or fire.

• Be sure to use only the specified accessories and parts for installation work.

Failure to use the specified parts may result in water leakage, electric shocks, fire or the unit falling.

• Install the air conditioner on a foundation strong enough to withstand the weight of the unit.

A foundation of insufficient strength may result in the equipment falling and causing injuries.

• Carry out the specified installation work after taking into account strong winds, typhoons or earthquakes.

Improper installation work may result in the equipment falling and accidents.

• Make sure that a separate power supply circuit is provided for this unit and that all electrical work is car-

ried out by qualified personnel according to local laws and regulations and this installation manual.

An insufficient power supply capacity or improper electrical construction may lead to electric shocks or

fire.

• Make sure that all wiring is secured, the specified wires are used, and no external forces act on the termi-

nal connections or wires.

Improper connections or installation may result in fire.

English

SPLIT SYSTEM Air Conditioners

CONTENTS

Installation manual

Table of Contents

Summary of Contents for Daikin FFQ25BV1B

Page 1: Table Of Contents
FFQ25BV1B FFQ35BV1B SPLIT SYSTEM Air Conditioners Installation manual FFQ50BV1B FFQ60BV1B CONTENTS 1. SAFETY CONSIDERATIONS ..................1 2. BEFORE INSTALLATION ..................3 3. SELECTING INSTALLATION SITE ................5 4. PREPARATIONS BEFORE INSTALLATION .............6 5. INDOOR UNIT INSTALLATION ..................7 6. REFRIGERANT PIPING WORK ................9 7. DRAIN PIPING WORK ....................11 8.
Page 2 • When wiring the power supply and connecting the wiring between the indoor and outdoor units, position the wires so that the control box lid can be securely fastened. Improper positioning of the control box lid may result in electric shocks, fire or the terminals overheating. •...
Page 3: Before Installation
2. BEFORE INSTALLATION • When moving the unit while removing it from the carton box, be sure to lift it by holding on to the four lifting lugs without exerting any pressure on other parts, especially, the refrigerant piping, drain piping, and other resin parts. •...
Page 4 • These are two types of remote controllers: wired and wireless. Select a remote controller from Table 2 according to customer request and install in an appropriate place. Table 2 European market Australian market Remote controller type Cooling only type Heat Pump type Heat Pump type Wired type...
Page 5: Selecting Installation Site
3. SELECTING INSTALLATION SITE Please attach additional thermal insulation material to the unit body when it is believed that the relative humidity in the ceiling exceeds 80%. Use glass wool, polyethylene foam, or similar with a thickness of 10 mm or more as thermal insulation material. For this unit, you are able to select air flow direction.
Page 6: Preparations Before Installation
[Air flow direction] (Example) Piping Piping Piping Air outlet in Air outlet in Air outlet in 4 directions 3 directions 2 directions (3) 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 maked on the paper pattern for installation.
Page 7: Indoor Unit Installation
(3) Install the suspension bolts. (Use either a M8 M10 size bolt) Use a hole-in anchor for existing ceilings, and a sunken insert, sunken anchor or other field <installation example> supplied parts for new ceilings to reinforce the ceiling to bear the weight of the unit. Ceiling slab Adjust clearance (50 100 mm) from the...
Page 8 <Ceiling work> (1-3) Adjust the unit to the right position for installation. (Refer to 4.PREPARATIONS BEFORE INSTALLATION-(1) (1-4) Check the unit is horizontally level. CAUTION • The indoor unit is equipped with a built-in drain pump and float switch. Verify that it is level by using a water level or a waterfilled vinyl tube.
Page 9: Refrigerant Piping Work
6. REFRIGERANT PIPING WORK <For refrigerant piping of outdoor units, see the installation manual attached to the outdoor unit.> <Execute heat insulation work completely on both sides of the gas piping and the liquid piping. Otherwise, a water leakage can result sometimes.> °...
Page 10 Not recommendable but in case of emergency You must use a torque wrench but if you are obliged to install the unit without a torque wrench, you may fol- low the installation method mentioned below. After the work is finished, make sure to check that there is no gas leak. When you keep on tightening the flare nut with a spanner, there is a point where the tightening torque sud- denly increases.
Page 11: Drain Piping Work
• Make absolutely sure to execute heat insulation works on the pipe-connecting section after checking gas leakage by thoroughly studying the following figure and using the attached heat insulating materials for fit- ting (8) and (9). (Fasten both ends with the clamps (4).) (Refer to Fig.
Page 12 • Drain socket • Wrap the attached sealing pad (10) over the clamp and drain hose to insulate. Clamp (2) Clamp (2) (attached) Large sealing pad (10) (attached) (attached) Drain hose (1) Tape (Gray) (attached) Fig. 19 Fig. 20 <PRECAUTIONS FOR DRAIN RAISING PIPING> •...
Page 13 Drain pipe Fig. 23 (mm) Service drain outlet (with rubber plug) (Use this outlet to drain water from Plastic container the drain pan) for pouring <Adding water through air outlet> (Tube should be about 100 mm long.) [Method of adding water] Control box lid Remove the...
Page 14: Wiring Example
8. WIRING EXAMPLE For the wiring of outdoor units, refer to the installation manual attached to the outdoor units. Confirm the system type. • Pair type 1 remote controller controls 1 indoor unit. (standard system) (Refer to Fig. 25) • Multi system 1 through 4 indoor units connect to 1 outdoor unit.
Page 15: Electric Wiring Work
9. ELECTRIC WIRING WORK • All field supplied parts and materials and electric works must conform to local codes. • Use copper wire only. “ ” • For electric wiring work, refer to also Wiring diagram label attached to the Control box lid. •...
Page 16 Connection of wiring between units, ground wire and for the remote control cord (Refer to Fig. 29) • Wiring between units and ground wire Remove the control box lid and connect wires of matching number to the power supply terminal block (4P)inside.
Page 17 Observe the notes mentioned below when wiring to the power supply terminal block. Tightening torque for the terminal blocks. • Use the correct screwdriver for tightening the terminal screws. If the blade of screwdriver is too small, the head of the screw might be damaged, and the screw will not be properly tightened. •...
Page 18: Field Settings
10. FIELD SETTINGS (1) Make sure the control box lids are closed on the indoor and outdoor units. (2) Field settings must be made from the remote controller and in accordance with installation con- ditions. “ ”, “ .” “ ”...
Page 19: Installation Of The Decoration Panel
10-5 Two remote Controllers (Controlling 1 indoor unit by 2 remote controllers) “ ” “ ”. • When using 2 remote controllers, one must be set to MAIN and the other to MAIN/SUB CHANGEOVER (1) Insert a screwdriver into the recess between the upper and lower part of remote controller and, work- ing from the 2 positions, pry off the upper part.
Page 20 6. Press AIR FLOW DIRECTION ADJUST button ( ) to make sure the unit is in operation. 7. Press INSPECTION/TEST OPERATION button ( ) and operate normally. 8. Confirm function of unit according to the operation manual. PRECAUTIONS “ ” 1.
Page 21 12-3 Malfunction code • For places where the malfunction code is left blank, the “ ” indication is not displayed. Though the system continues operating, be sure to inspect the system and make repairs as necessary. • Depending on the type of indoor or outdoor unit, the malfunction code may or may not be displayed. Code Malfunction/Remarks Indoor unit...
Page 22: Wiring Diagram
Electric thermal (outdoor unit) Possible electrical overload in the compressor or cut line in the compressor motor. Stall prevention (outdoor unit) Compressor possibly locked. Transmission malfunction between the outdoor control unit s inverters (outdoor unit) Open-phase or main circuit low voltage (outdoor unit) PC-board temperature sensor malfunction (outdoor unit) Heat-radiating fin temperature sensor malfunction (outdoor unit) Type set improper (outdoor unit)
Page 23 Fig. 33 English...

This manual is also suitable for:

Ffq35bv1b Ffq50bv1b Ffq60bv1b

Daikin FFQ25BV1B Installation Manual

Table of Contents

1. SAFETY CONSIDERATIONS

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Summary of Contents for Daikin FFQ25BV1B

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Table of Contents