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Installation Manual - Page 1
ENGLISH
FRANÇAIS
ESPAÑOL
website http://www.lgservice.com
LG
System Heat Recovery Outdoor Unit R410A
INSTALLATION MANUAL
MODELS: ARUB Series
IMPORTANT
• Please read this installation manual completely before installing the product.
• Installation work must be performed in accordance with the national wiring standards by authorized personnel only.
• Please retain this...
Installation Manual - Page 2
... damage and abnormal vibration. ... WARNING
• Installation or repairs made by a qualified service technician familiar with safety procedures and equipped with the National Electrical Code NFPA 70/ANSI C1-1993 or current edition and Canadian Electrical Code Part1 CSA C.22.1.
• The information contained in the manual is an important part of your knees when lifting to...
Installation Manual - Page 5
...; If a different refrigerant or air is risk of fire or electric shock. When installing and moving the air conditioner to change the settings of the protection devices.
• If the pressure switch, thermal switch, or other than those specified by yourself (customer).
• There is shorted and operated forcibly, or parts other protection device...
Installation Manual - Page 7
...Installation Manual 7 Take care so that children should not randomly operate the wire remote control for this appliance. • There is risk of fire, electric shock, explosion, or injury. When the product is soaked (flooded or submerged), contact an Authorized Service...or electrical shock. Take care to touch the sharp edges when installing.
• It may cause failure of fire, electric shock...
Installation Manual - Page 11
...problems.
Auto-addressing should also be done in case of all indoor and outdoor units. Avoid a place where rain may enter since the HR unit is for indoor
Install the HR unit at least 5 minutes before turning off the main power switch. Installation Manual... is plugged in.
• There are sharp and moving parts that could cause personal injury.
Safety Precautions
Do not operate ...
Installation Manual - Page 12
...work Installation of indoor unit and HR unit
Refrigerant piping work
Take account of gradient of drain piping
Check model ...carried out but this manual and record the amount of added refrigerant
Automatic addressing for Indoor...Installation of outdoor unit
Avoid short circuits and ensure sufficient space is allowed for service
Duct work
Make sure airflow is to be responsible for switch settings...
Installation Manual - Page 13
...meet above guide line in ...salt particles stuck on the heat exchanger by using water
Installation Manual 13 Corrosion, particularly on the seaside, set up a windbreak not to be exposed to the seaside... result corrosion
on the heat exchanger. Do not install the product where it should be installed in the seaside installation, please contact LG Electronics for easy air flow.
3) Select a ...
Installation Manual - Page 15
...the following directions should comply with the relevant local and national regulations for air passage and service work properly.
• Do not place the refrigerant container under any unapproved pipe must be charged in winter (neare beach, coast, lake,... comparison with much moisture in order to prevent environment pollution.
If the refrigerant is 0. Installation Manual 15
Installation Manual - Page 30
... is installed to the compressors and flux can harm the copper piping or refrigerant oil.
13. Always insulate the piping properly. If not, oxidized film can result in equipment failure or a decline in height, and piping diameter). Always observe the restrictions on the service valves of the outdoor unit. (Especially packing part of service port...
Installation Manual - Page 31
...pipe set according to make recharge refrigerant after perfect evacuation. -
Pipe Length between Outdoor Units (Low pressure gas pipe, High pressure gas pipe, Liquid pipe)
= Product length (1,280mm(50-3/8 inch)) + (distance between outdoor units) Unit: mm(inch)
1,280(50-3/8) Distance between outdoor units
Installation Manual 31 ENGLISH
Refrigerant piping installation
WARNING
When installing and...
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 52
... address of valve address - SW01M: selection of the valve to '0' when installing only one HR unit. SW01M/SW03M/SW04M (Dip S/W and tact S/W for manual valve addressing : central control address of the valve in manual addressing of each indoor unit must be set to address
SW03M: increase in the digit of 10 of valve address...
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...of an HR unit)
• Prerequisite for manual valve addressing: central control address of each indoor unit must be done...
Installation Manual - Page 61
... switch is OFF.
2.
R410A
Installation Manual 61 ENGLISH
DIP switch setting
Main PCB
I Checking the setting of the Master unit
The number is sequentially appeared at the 7 segment in 5 seconds after applying the power. Master model code ➔ Slave1 model code ➔ Total capacity ➔ 2 ➔ 25 ➔ Model type
} 1 ~255 : Master model code Refer to dip switch...
Service Manual - Page 1
Internal Use Only http://biz.lgservice.com
System Outdoor Unit R410A SERVICE MANUAL R410A
(Exploded View)
MODEL : ARUN Series
CAUTION
Before Servicing the unit, read the safety precautions in General SVC manual. Only for authorized service personnel.
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