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Popular LG ARUB076BT2 Manual Pages
Installation Manual - Page 2
.... • Ground the unit following local electrical codes. • Connect all instructions in this manual can result in hazards to you finish, remembering to check or repair
electrical parts and wiring. • Keep your finger. Provide a suitable air baffle. ... IMPORTANT!
CAUTION: Improper installation, adjustment, alteration, service or maintenance can cut your fingers and...
Installation Manual - Page 5
... is shorted and operated forcibly, or parts other than those specified by yourself (customer).
• There is risk of fire, electric shock, explosion, or injury. R410A
R22 R407C
Installation Manual 5 Use the correctly rated breaker or fuse. • There is mixed with a different refrigerant from the refrigerant specified on a defective installation stand.
• It may result...
Installation Manual - Page 7
... not to ensure that children should not randomly operate the wire remote control for this appliance. • There is risk of fire or electrical shock. Take care so that ...• There is risk of fire, electric shock, or product damage.
Installation Manual 7
Take care to touch the sharp edges when installing.
• It may cause failure of fire or electric shock.
When ...
Installation Manual - Page 10
... the installation manual.
• A bad connection may cut your fingers. • When transporting the outdoor unit, suspending it , causing property damage, product failure, and personal injury. Also support the outdoor... packing materials.
• Packing materials, such as nails and other metal or wooden parts, may cause stabs or other injuries.
• Tear apart and throw away plastic ...
Installation Manual - Page 11
...problems.
Auto-addressing should also be done in case of changing the Indoor unit PCB. Otherwise it is not affected by operation mode changing noise.
• There is plugged in.
• There are sharp and moving parts that could cause personal injury.
Installation Manual...high-voltage parts can cause a burn or frostbite.
ENGLISH
Do not touch any of the refrigerant piping ...
Installation Manual - Page 12
...are normally carried out but this manual and record the amount of added refrigerant
Automatic addressing for Indoor units ...settings
Make relationship between outdoor, indoor, remote controller, and option connections clear. (Prepare control circuit diagram)
Sleeve and insert work Installation of indoor unit and HR unit
Refrigerant piping work
Take account of gradient of drain piping
Check model...
Installation Manual - Page 15
... service work shown next • Because of the possibility of fire, do not install unit...refrigerant and encouraged to use unit under the direct rays of the piping should be lengthened in case of installing... the outdoor unit in winter at 50:50, so the ozone depletion potential (ODP) of higher operating pressure in neighboring floor. (3) Location with R22. Installation Manual...
Installation Manual - Page 30
... flare of additional refrigerant.
9. Always observe the restrictions on the service valves of the outdoor unit. (Especially packing part of condensate and other such problems.
11. When servicing, always check the...the designated refrigerant piping differs, use a pipe cutter to cut , connect and install the subsidiary flare to cut the connecting section and then use the branch piping set shown ...
Installation Manual - Page 31
...)) + (distance between outdoor units) Unit: mm(inch)
1,280(50-3/8) Distance between outdoor units
Installation Manual 31 After selecting diameter of the refrigerant pipe to the pipe diameter of the indoor unit connected after perfect evacuation. -
ENGLISH
Refrigerant piping installation
WARNING
When installing and moving the air conditioner to another site, be damaged. - If a different...
Installation Manual - Page 49
... unit (Auto/Manual)
Model of HR unit Model of HR unit Valve group setting Valve group setting Valve group setting Use only in factory production (preset to "OFF") Use only in factory production (preset to "OFF")
1) Selection of the method for setup of an HR unit (Auto/Manual)
Switch No.1 Off
Switch No.1 On
Manual
Auto
Installation Manual 49 ENGLISH
HR...
Installation Manual - Page 51
... DIP S/W setting
Not control
No...Models
Gas Pipe
Liquid pipe
I.D. 22.2(7/8) I.D. 19.05(3/4)
I.D. 19.05(3/4) I.D. 22.2(7/8) I.D. 15.88(5/8)
I.D. 9.52(3/8) I.D. 12.7(1/2)
ARBLB03320
I.D. 15.88(5/8)
I.D. 9.52(3/8)
I.D. 6.35(1/4)
I.D. 15.88(5/8) I.D. 12.7(1/2)
I.D. 28.58(1-1/8) O.D. 22.2(7/8)
I.D. 25.4(1)(1/1/8)
I.D. 6.35(1/4) I.D. 9.52(3/8)
I.D. 6.35(1/4) I.D. 9.52(3/8)
Installation Manual...
Installation Manual - Page 52
...: selection of the valve to the central control address of each indoor unit must be set to '0' when installing only one HR unit. Setup
No.1
Manual addressing of valve #1
No.2
Manual addressing of valve #2
SW01M
No.3 No.4
Manual addressing of valve #3 Manual addressing of valve #4
SW03M
SW03M
Increase in the digit of 10 of valve address
SW04M...
Installation Manual - Page 58
...setup
Setup and Contents
1
• Operation: None
SW01M SW03M
SW04M
• Display: None
• Operation: Turn dip S/W No.1 on to address valve #1
2
• Display: Existing value saved in EEPROM is displayed in
SW01M SW03M
SW04M
7-SEG.
• Operation: Set... are same.)
58
Outdoor Unit HR Unit PCB
Example of manual valve addressing
(In case that is connected to a valve ...
Installation Manual - Page 61
... should be changed when the power is not properly setup. Model Code
Model Code 195 196 197
Unit (HP) 8 10 12
Unit Master
Ref. Master model code ➔ Slave1 model code ➔ Total capacity ➔ 2 ➔ 25 ➔ Model type
} 1 ~255 : Master model code Refer to dip switch setting
1.
It checks whether the input is properly performed without the bad contact of the...
Installation Manual - Page 68
...and chassis
High pressure error Motor failure,
Check the outdoor fan operation after being
at indoor unit display or remote control display, the trouble shooting guide is displayed at ... heat
exchanger part
Service necessary
Low pressure error EEV clogged or discharge temperature error
Service necessary
When system fault occurs, the error code is in the service manual
68
Outdoor ...
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