The foundation must be level even
Outdoor unit foundation work
Avoid short circuits and ensure
sufficient space is allowed for service
Installation of outdoor unit
Refer to automatic addressing flowchart
Automatic addressing of indoor unit
In the final check for 24hours at 3.8 MPa(38.7 kgf/cm
2
) there
must be no drop in pressure.
Airtight test
Multiple core cable must not be used.
(suitable cable should be selected)
Electrical work
(connection circuits and drive circuits)
Make sure no gaps are left where
the insulating materials are joined
Heat insulation work
Make sure airflow is sufficient
Duct work
Adjust to downward gradient
Drain pipe work
Special attention to dryness,
cleanness and tightness
Refrigerant piping work
Check model name to
make sure the fitting
is made correctly
Installation of indoor unit
Take account of gradient
of drain piping
Sleeve and insert work
Make connection clearly between outdoor, indoor,
remote controller and option.
Preparation of contract drawings
Indicate clearly who will be responsible for switch setting.
Determination of division work
The vacuum pump used must have a capacity of reaching at least
5 torr, more than 1 hour
Vacuum drying
Recharge correctly as calculated in this manual. and record the
amount of added refrigerant
Additional charge of refrigerant
Make sure there are no gaps left between the facing materials
used on the ceiling
Fit facing panels
Run each indoor unit in turn to make sure the pipe work
has been fitted correctly
Test run adjustment
Explain the use of the system as clearly as possible to your customer and
make sure all relevant documentation is in order
Transfer to customer with explanation
Preheat the crank case with the electrical heater for more than 6 hours.
CAUTION
• The above list indicates the order in which the individual work
operations are normally carried out but this order may be varied
where local conditions warrants such change.
• The thickness of the piping should comply with the relevant
local and national regulations for the designed pressure 3.8MPa.
• Since R410A is a mixed refrigerant, the required additional re-
frigerant must be charged in its liquid state.(If the refrigerant is
charged in its gaseous state, its composition changes and the
system will not work properly.)
!
CAUTION
Notes : * We can guarantee the operation only within 130%
Combination. If you want to connect more than 130%
combination, please contact us and discuss the re-
quirement like below.
• If the operation of indoor unit is more than 130%, the airflow is
operated as low in the all indoor units.
Combination Ratio(50~200%)
Outdoor Number Connection Ratio
Single outdoor units 200%
Double outdoor units 160%
Triple outdoor units 130%
!
Power Supply : 220-240 V3~ 50Hz / 220 V3~ 60Hz
Model Name : ARUB***BTE4
Unit 1 Outdoor Unit
HP 8 10 12
Model Name
Combination Unit
ARUB080BTE4 ARUB100BTE4 ARUB120BTE4
Independ-
ent Unit
ARUB080BTE4 ARUB100BTE4 ARUB120BTE4
Refigerant charging
amount
kg 7.7 7.7 7.7
lbs 16.9 16.9 16.9
Number of maxmum connectable indoor units
13(20) 16(25) 20(30)
Net Weight
kg 195 × 1 208 × 1 208 × 1
lbs 430 × 1 459 × 1 459 × 1
Dimensions
(WxHxD)
mm (920×1,680×760)×1 (920×1,680×760)×1 (920×1,680×760)×1
inch (36.2×66.1×29.9)×1 (36.2×66.1×29.9)×1 (36.2×66.1×29.9)×1
Pipe
Connc-
tions
Liquid Pipes
mm(inch) 9.52(3/8) 9.52(3/8) 12.7(1/2)
Low Pressure Gas Pipes
mm(inch) 19.05(3/4) 22.2(7/8) 28.58(1 1/8)
High Pressure Gas Pipes
mm(inch) 15.88(5/8) 19.05(3/4) 19.05(3/4)
Unit 1 Outdoor Unit
HP 14 16 18
Model Name
Combination Unit
ARUB140BTE4 ARUB160BTE4 ARUB180BTE4
Independ-
ent Unit
ARUB140BTE4 ARUB160BTE4 ARUB180BTE4
Refigerant charging
amount
kg 10.7 10.7 10.7
lbs 23.6 23.6 23.6
Number of maxmum connectable indoor units
23(35) 26(40) 29(45)
Net Weight
kg 245 x 1 245 x 1 285 × 1
lbs 540 × 1 540 × 1 628 × 1
Dimensions
(WxHxD)
mm (1,240×1,680×760)×1 (1,240×1,680×760)×1 (1,240×1,680×760)×1
inch (48.8×66.1×29.9)×1 (48.8×66.1×29.9)×1 (48.8×66.1×29.9)×1
Pipe
Connc-
tions
Liquid Pipes
mm(inch) 12.7(1/2) 12.7(1/2) 15.88(5/8)
Low Pressure Gas Pipes
mm(inch) 28.58(1 1/8) 28.58(1 1/8) 28.58(1 1/8)
High Pressure Gas Pipes
mm(inch) 22.2(7/8) 22.2(7/8) 22.2(7/8)
Unit 1 Outdoor Unit 2 Outdoor Unit
HP 20 22 24
Model Name
Combination Unit
ARUB200BTE4 ARUB220BTE4 ARUB240BTE4
Independ-
ent Unit
ARUB200BTE4 ARUB120BTE4 ARUB120BTE4
ARUB100BTE4 ARUB120BTE4
Refigerant charging
amount
kg 10.7 7.7 × 2 7.7 × 2
lbs 23.6 16.9 × 2 16.9 × 2
Number of maxmum connectable indoor units
32(50) 35(44) 39(48)
Net Weight
kg 285 × 1 208 × 2 208 × 2
lbs 628 × 1 459 × 2 459 × 2
Dimensions
(WxHxD)
mm (1,240×1,680×760)×1 (920×1,680×760)×2 (920×1,680×760)×2
inch (48.8×66.1×29.9)×1 (36.2×66.1×29.9)×2 (36.2×66.1×29.9)×2
Pipe
Connc-
tions
Liquid Pipes
mm(inch) 15.88(5/8) 15.88(5/8) 15.88(5/8)
Low Pressure Gas Pipes
mm(inch) 28.58(1 1/8) 34.9(1 3/8) 34.9(1 3/8)
High Pressure Gas Pipes
mm(inch) 22.2(7/8) 28.58(1 1/8) 28.58(1 1/8)
Unit 2 Outdoor Unit
HP 26 28 30
Model Name
Combination Unit
ARUB260BTE4 ARUB280BTE4 ARUB300BTE4
Independ-
ent Unit
ARUB140BTE4 ARUB160BTE4 ARUB180BTE4
ARUB120BTE4 ARUB120BTE4 ARUB120BTE4
Refigerant charging
amount
kg 10.7 × 1 + 7.7 × 1 10.7 × 1 + 7.7 × 1 10.7 × 1 + 7.7 × 1
lbs 23.6 × 1 + 16.9.0 × 1 23.6 × 1 + 16.9.0 × 1 23.6 × 1 + 16.9.0 × 1
Number of maxmum connectable indoor units
42(52) 45(56) 49(60)
Net Weight
kg 245 × 1 + 208 × 1 245 × 1 + 208 × 1 285 × 1 + 208 × 1
lbs 540 × 1 + 459 × 1 540 × 1 + 459 × 1 628 × 1 + 459 × 1
Dimensions
(WxHxD)
mm
(1,240×1,680×760)×1
+ (920×1,680×760)×1
(1,240×1,680×760)×1
+ (920×1,680×760)×1
(1,240×1,680×760)×1
+ (920×1,680×760)×1
inch
(48.8×66.1×29.9)×1
+(36.2×66.1×29.9)×1
(48.8×66.1×29.9)×1
+(36.2×66.1×29.9)×1
(48.8×66.1×29.9)×1
+(36.2×66.1×29.9)×1
Pipe
Connc-
tions
Liquid Pipes
mm(inch) 19.05(3/4) 19.05(3/4) 19.05(3/4)
Low Pressure Gas Pipes
mm(inch) 34.9(1 3/8) 34.9(1 3/8) 34.9(1 3/8)
High Pressure Gas Pipes
mm(inch) 28.58(1 1/8) 28.58(1 1/8) 28.58(1 1/8)
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