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Application of the joint pipes
Model
Joint pipe
type
For gas pipe For liquid pipe
For between outdoor unit
liquid pipe and branch kit
072
Elbow Elbow pipe C — —
Straight Joint pipe G Reducer AD Reducer AD , Q , P
090
Elbow Elbow pipe B — —
Straight Joint pipe E Reducer AD Reducer AD
108/126/
144
Elbow Elbow pipe A — —
Straight Joint pipe D — —
162/180
Elbow Elbow pipe A — —
Straight Joint pipe D — Reducer W
2.4. Combinations
Amaximumof4outdoor
units can be connected to 1
refrigerant system.
The combination of outdoor
units per refrigerant system
and the number of indoor
units that can be connected
are as follows:
Model
Nominal System
Capacity [HP]
Connectable
total indoor unit
capacity ratio [%]
AJG072JATAH 8
50 to 150 (*1)
AJG090JATAH 10
AJG108JATAH 12
AJG126JATAH 14
AJG144JATAH 16
AJG162JATAH 18
AJG180JATAH 20
*1: The conditions may differ depending on the connected indoor unit. For more informa-
tion, please refer to the Design & Technical manual.
Standard combination (HP)
Combination
8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44
Outdoor Unit 1 8 10 12 14 16 18 20 12 12 14 16 18 16 18 18 20 20 18 20
Outdoor Unit 2 ― ― ― ― ― ― ― 10 12 12 12 12 16 16 18 18 20 12 12
Outdoor Unit 3 ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― 12 12
Outdoor Unit 4 ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ―
Maximum Connect-
able Indoor Unit
15 19 22 27 30 34 38 41 45 50 53 56 61 64 64 64 64 64 64
Combination
46 48 50 52 54 56 58 60 62 64 66 68 70 72 74 76 78 80
Outdoor Unit 1 18 18 18 18 18 20 20 20 20 20 18 20 20 20 20 20 20 20
Outdoor Unit 2 14 16 18 18 18 18 20 20 18 20 18 18 20 20 18 20 20 20
Outdoor Unit 3 14 14 14 16 18 18 18 20 12 12 18 18 18 20 18 18 20 20
Outdoor Unit 4 ― ― ― ― ― ― ― ― 12 12 12 12 12 12 18 18 18 20
Maximum Connect-
able Indoor Unit
64 64 64 64 64 64 64 64 64 64 64 64 64 64 64 64 64 64
When connecting outdoor units, install the outdoor unit with the largest nominal system
capacity nearest to the refrigerant pipe and indoor unit, followed by those with lesser
nominalsystemcapacities.(Outdoorunit1≥Outdoorunit2≥Outdoorunit3≥Outdoor
unit 4)
Energy efficiency combination (HP)
Combination 16 18 20 24 26 28 30 32 34 36 38 40 42 44
Outdoor Unit 1 8 10 10 8 10 12 12 12 12 14 14 14 14 16
Outdoor Unit 2 8 8 10 8 8 8 10 12 12 12 12 14 14 14
Outdoor Unit 3 ― ― ― 8 8 8 8 8 10 10 12 12 14 14
Maximum Connect-
able Indoor Unit
30 34 38 45 49 53 57 60 64 64 64 64 64 64
When connecting outdoor units, install the outdoor unit with the largest nominal system
capacity nearest to the refrigerant pipe and indoor unit, followed by those with lesser
nominalsystemcapacities.(Outdoorunit1≥Outdoorunit2≥Outdoorunit3)
2.5. Optional parts
CAUTION
The following parts are optional parts specific to R410A refrigerant.
Do not use parts other than those listed below.
2.5.1 Outdoor unit branch kit
Model
Total cooling capacity of outdoor unit [HP]
*1: Outdoor unit (primary)
to the farthest indoor
unit: 70 m or more
UTP-CX567A
Standard 52 or less
Condition 1 (*1) 48 or less
UTP-CX792B
Standard 54 or less
Condition 1 (*1) 50 or less
2.5.2 Separation tube
Model
Total cooling capacity of indoor unit [kW]
*1: Either of following
condition
• Outdoor unit (primary)
to the farthest indoor
unit: 120 m or more.
• The first separation
tube to the farthest
indoor unit: 60 m or
more.
Standard Condition 1 (*1)
UTP-AX054A 19.6 or less
UTP-AX090A 28.0 or less
UTP-AX180A 28.1 to 56.0
UTP-AX567A 56.1 to 218.3 56.1 to 123.0
UTP-AX792B 218.4 or more 123.1 or more
2.5.3 Header
3-6 branches 3-8 branches Total cooling capacity of indoor unit [kW]
UTR-H0906L UTR-H0908L 28.0 or less
UTR-H1806L UTR-H1808L 28.1 to 56.0
2.5.4 External connect kit
Model Usage
UTY-XWZXZ6
ForExternalinput(CN131,CN133,CN134)
ForExternaloutput
(Error status / CN136) (Operation status / CN137)
UTY-XWZXZF ForExternalinput(CN135)
3. INSTALLATION WORK
Please obtain the approval of the customer when selecting the location of installation and
installing the main unit.
3.1. Selecting an installation location
WARNING
Install the unit in a location that can withstand its weight, and where it will not topple or
fall.
Calculate the proper refrigerant concentration if you will be installing it in an enclosed
location.
Total amount of replenished refrigerant
in refrigerant facility (kg)
≤
Refrigerant concentration (kg/m³)
(0.42 kg/m³)
Capacity of smallest room where unit
is installed (m³)
Iftheresultsofthecalculationexceedtheconcentrationlimit,increasetheroomsurface
area or install a ventilation duct.
CAUTION
Select an installation location by observing the following precautions:
Install the unit level. (Within 0.3 degrees)
Install this unit in a location with good ventilation.
If the unit must be installed in an area within easy reach of the general public, install as
necessary a protective fence or the like to prevent their access.
Install the unit in an area that would not inconvenience your neighbors, as they could be
affected by the airflow coming out from the outlet, noise, or vibration.
Ifitmustbeinstalledinproximitytoyourneighbors,besuretoobtaintheirapproval.
If the unit is installed in a cold region that is affected by snow accumulation, snow fall, or
freezing, take appropriate measures to protect it from those elements.
To ensure a stable operation, install inlet and outlet ducts.
Install the unit in an area that would not cause problems even if the drain water is
discharged from the unit. Otherwise, provide drainage that would not affect people or
objects.
Install the unit in an area that has no heat sources, vapors, or the risk of the leakage of
flammable gas in the vicinity.
Installtheunitinanareathatisawayfromtheexhaustorventportsthatdischarge
vapor, soot, dust, or debris.
Install the indoor unit, outdoor unit, power supply cable, transmission cable and remote
control cable at least 1 meter away from a television or radio.
The purpose of this is to prevent TV reception interference or radio noise. (Even if they
are installed more than 1 meter apart, you could still receive noise under some signal
conditions.)
Keep the length of the piping of the indoor and outdoor units within the allowable range.
For maintenance purposes, do not bury the pipes.
3.2. Drain processing
• The drain water is discharged from the bottom of the equipment. Construct a drain ditch
around the base and discharge the drain water properly.
• When installing on a roof, perform floor waterproofing properly.
Drain processing:
• The drain water from the base of the outdoor unit
may generate during operations.
Perform drain processing, as necessary.
• When you want to prevent the drain water from leak-
ing at the perimeter, construct a ditch for the drain
water as shown in the figure.
• Provide a central drain pan, as necessary.
Outdoor unit
10 mm
or more
50 mm
or more
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Productinformatie
| Merk | Fujitsu |
| Model | AJG090JATAH |
| Categorie | Airco |
| Taal | Nederlands |
| Grootte | 5576 MB |
