background image

12 Unit installation

Installation and operation manual

15

FXUA50~100AVEB
VRV system air conditioner
3P668115-2C – 2022.01

f

Washer for hanger bracket

g

Tie wraps

h

Clamp washer

i

Insulation piece: Large (gas pipe)

j

Insulation piece: Small (liquid pipe)

k

Large sealing pad

l

Small sealing pad

m

Elbow

n

Blocking pad

o

L-shaped piping

p

Screw

q

Non-woven fabric

12

Unit installation

12.1

Preparing the installation site

Avoid  installation  in  an  environment  with  a  lot  of  organic  solvents
such as ink and siloxane.

WARNING

The  appliance  shall  be  stored  in  a  room  without
continuously  operating  ignition  sources  (example:  open
flames, an operating gas appliance or an operating electric
heater).

12.1.1

Installation site requirements of the
indoor unit

Minimum floor area requirements

CAUTION

The  total  refrigerant  charge  in  the  system  cannot  exceed
the  requirements  for  minimum  floor  area  of  the  smallest
room that is served. For minimum floor area requirements
for  indoor  units,  see  the  installation  and  operation  manual
of the outdoor unit.

INFORMATION

The sound pressure level is less than 70 dBA.

INFORMATION

Equipment  meets  the  requirement  for  commercial  and
light-industrial  location  when  professionally  installed  and
maintained.

CAUTION

This  equipment  is  NOT  intended  for  use  in  residential
locations  and  will  NOT  guarantee  to  provide  adequate
protection to radio reception in such locations.

CAUTION

Appliance NOT accessible to the general public, install it in
a secured area, protected from easy access.

This  unit,  both  indoor  and  outdoor,  is  suitable  for
installation 

in 

commercial 

and 

light 

industrial

environment.

WARNING

Keep  any  required  ventilation  openings  clear  of
obstructions.

NOTICE

The professional installer shall evaluate the EMC situation
before installation, if the equipment is installed closer than
30 m to a residential location.

Paper pattern for installation 

(top part of packing box). Use the

paper  pattern  to  determine  the  locations  of  suspension  bolts,
piping outlet, drain piping outlet and electric wiring inlet.

Airflow directions

. Choose the air discharge pattern according to

the installation location. In case of 2-way and 3-way air discharge,
field setting is required. See 

"17.1 Field setting"

 [

4

 23].

  12‒1 Discharge pattern (top view)

4-way discharge

3-way discharge

2

3

4

1

2

2

1

4

3

2

1

2-way discharge (optional blocking pad kit is required)

22

1

2

4

The symbols   and 

 show the refrigerant piping direction.

 

rear

 (straight) refrigerant piping

 

right

 (bent) refrigerant piping

For  upward  refrigerant  piping,  any  discharge  pattern  can  be
selected.

The  number  in  the 

*

  symbol  corresponds  with  the  number  of  air

outlets indicated by the number of   symbols on the unit.

Example: 

b

4

a

a

Indication on the unit

b

Number of air outlets

Spacing

. Mind the following requirements:

(mm)

≥2000

d

c

b

e

≥1500 

≥1500

≥4000

a

a

Air outlet

b

Indoor unit

c

Lighting (the figure shows ceiling-mounted lighting, but
recessed lighting is also allowed)

d

Air fan

Summary of Contents for FXHA-A

Page 1: ...Installation and operation manual VRV system air conditioner English Installation and operation manual VRV system air conditioner FXUA50AVEB FXUA71AVEB FXUA100AVEB...

Page 2: ...mi laikantis m s instrukcij atbilst d m direkt v m vai regul m ja vien ie izstr d jumi tiek lietoti saska ar m su instrukcij m s v zhode s nasleduj cou imi smernicou ami alebo predpisom mi za predpokl...

Page 3: ...in accordance with our instructions as amended S I 2008 1597 Supply of Machinery Safety Regulations 2008 S I 2016 1091 Electromagnetic Compatibility Regulations 2016 following the provisions of BS EN...

Page 4: ...the electrical wiring to the indoor unit 21 15 Finishing the indoor unit installation 22 15 1 To mount the corner cover 22 15 2 To close the suction grille 23 16 Commissioning 23 16 1 Checklist befor...

Page 5: ...cal installation 421 WARNING ALWAYS use multicore cable for power supply cables WARNING All wiring MUST be performed by an authorised electrician and MUST comply with the applicable legislation Make e...

Page 6: ...e vibration or pulsation to refrigeration piping Protection devices piping and fittings shall be protected as far as possible against adverse environmental effects Provision shall be made for expansio...

Page 7: ...or local authority Batteries are marked with the following symbol This means that the batteries may NOT be mixed with unsorted household waste If a chemical symbol is printed beneath the symbol this c...

Page 8: ...of obstructions Maintenance and service see 7 Maintenance and service 411 CAUTION Pay attention to the fan It is dangerous to inspect the unit while the fan is running Make sure to turn OFF the main s...

Page 9: ...r must be replaced after every detection or at the end of its lifetime ONLY authorised persons may replace the sensor Troubleshooting see 8 Troubleshooting 414 WARNING Stop operation and shut OFF the...

Page 10: ...operation manual of the installed user interface 6 Operation 6 1 Operation range INFORMATION For the operation limits see the technical data of the connected outdoor unit 6 2 About operation modes INF...

Page 11: ...nits run in Continuous operation and the airflow direction is downward When starting operation When the room temperature is higher than the controller s setpoint for heating operation including auto o...

Page 12: ...t exterior air filter and suction grille CAUTION Turn off the unit before cleaning the unit exterior air filter and suction grille NOTICE Do NOT use gasoline benzene thinner polishing powder or liquid...

Page 13: ...eater WARNING Do NOT pierce or burn refrigerant cycle parts Do NOT use cleaning materials or means to accelerate the defrosting process other than those recommended by the manufacturer Be aware that t...

Page 14: ...unit Stop operation The operation switch does NOT function properly Turn OFF the power supply If the user interface displays Notify your installer and report the error code To display an error code se...

Page 15: ...ion in such locations CAUTION Appliance NOT accessible to the general public install it in a secured area protected from easy access This unit both indoor and outdoor is suitable for installation in a...

Page 16: ...e is a risk reinforce the ceiling before installing the unit For existing ceilings use anchors For new ceilings use sunken inserts sunken anchors or other field supplied parts 50 100 c b mm a d e a Ce...

Page 17: ...ng a 1 2 3 4 b a Piping part b Level NOTICE Do NOT install the unit tilted Possible consequence If the unit is tilted against the direction of the condensate flow the drain piping side is raised the f...

Page 18: ...ny remaining space may cause air leakage and condensation 12 2 2 Guidelines when installing the drain piping Make sure condensation water can be evacuated properly This involves General guidelines Con...

Page 19: ...se and fix it with tie wraps Start wrapping from the tightened part of the metal clamp so that the end of the metal clamp is wrapped twice 6 Connect the drain piping to the drain hose To check for wat...

Page 20: ...m 1 4 8 10 mm 10 mm 9 5 mm 3 8 12 15 mm 13 mm 12 7 mm 1 2 14 16 mm 13 mm 15 9 mm 5 8 17 20 mm 13 mm i i t p p If the temperature is higher than 30 C and the humidity is higher than RH 80 the thickness...

Page 21: ...F 60245 IEC 66 Transmission wiring For specifications refer to the installation manual of the outdoor unit Component Class 50 71 100 User interface cable 0 75 to 1 25 mm2 2 core wire H05RN F 60245 IE...

Page 22: ...N L N L N L TO OUT D TO IN D a a Outdoor unit b Indoor unit c User interface d Most downstream indoor unit NOTICE Group control connection is NOT allowed CAUTION Each indoor unit has to be connected t...

Page 23: ...arthed and the earth terminals are tightened The fuses or locally installed protection devices are installed according to this document and have NOT been bypassed The power supply voltage matches the...

Page 24: ...angeover if remote sensor is used If the system contains a remote sensor set the increase decrease increments If you want to change increments to Then 1 M SW 1 C 12 22 2 01 0 5 C 02 Setting Automatic...

Page 25: ...s Portal authentication required 18 1 Wiring diagram 18 1 1 Unified wiring diagram legend For applied parts and numbering refer to the wiring diagram on the unit Part numbering is by Arabic numbers in...

Page 26: ...tor Q M Thermo switch Q R Residual current device R Resistor R T Thermistor RC Receiver S C Limit switch S L Float switch S NG Refrigerant leak detector S NPH Pressure sensor high S NPL Pressure senso...

Page 27: ......

Page 28: ...3P668115 2C 2022 01 Copyright 2021 Daikin Verantwortung f r Energie und Umwelt...

Reviews: