Table of Contents
Advertisement
Quick Links
LG Ceiling Duct-Type
Air Conditioner
INSTALLATION MANUAL
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 for future
reference after reading it thoroughly.
LG
Advertisement
Table of Contents
Related Manuals for LG AUUH306C
Summary of Contents for LG AUUH306C
-
Page 1: Pipes: Gas Side
LG Ceiling Duct-Type Air Conditioner INSTALLATION MANUAL 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 for future... -
Page 2: Table Of Contents
Ceiling Duct Type Air Conditioner Installation Manual TABLE OF CONTENTS Installation Required Parts Required Tools Requirements Safety precautions ..3 Installation of Indoor, Outdoor unit....6 • Four Type “A” screws • Level • Connecting cable • Screw driver • Electric drill Connecting Pipes to the •... -
Page 3: Safety Precautions
Safety Precautions Safety Precautions To prevent injury to the user or other people and property damage, the following instructions must be followed. I Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the following indications. WARNING This symbol indicates the possibility of death or serious injury. - Page 4 Safety Precautions Be cautious when unpacking and installing the Do not modify or extend the power cable. product. • Sharp edges could cause injury. Be especially careful of • There is risk of fire or electric shock. the case edges and the fins on the condenser and evaporator.
- Page 5 Safety Precautions CAUTION I Installation Always check for gas (refrigerant) leakage after Install the drain hose to ensure that water is installation or repair of product. drained away properly. • Low refrigerant levels may cause failure of product. • A bad connection may cause water leakage. Keep level even when installing the product.
-
Page 6: Installation Of Indoor, Outdoor Unit
Installation of Indoor, Outdoor Unit Installation of Indoor, Outdoor Unit 1. Selection of the best location Inspection hole 1) Indoor unit Top view (600X600) (unit: mm) Control box Select location Install the air conditioner in the location that satisfies the following conditions. •... - Page 7 Installation of Indoor, Outdoor Unit 3) Piping length and the elevation Pipe Size Length A(m) Elevation B(m) *Additional Capacity (Diameter:Ø) refrigerant(g/m) Liquid Standard Max. Standard Max. 18 kBtu/h 1/2 "(12.7 mm) 1/4 "(6.35 mm) 24 kBtu/h 1/2 "(12.7 mm) 1/4 "(6.35 mm) 30 kBtu/h 5/8 "(15.88 mm) 1/4 "(6.35 mm)
- Page 8 Installation of Indoor, Outdoor Unit 2. Indoor unit installation I Installation of Unit Install the unit above the ceiling correctly. CASE 1 POSITION OF SUSPENSION BOLT • Apply a joint-canvas between the unit and duct to absorb unnecessary vibration. • Apply a filter Accessory at air return hole. (Unit:mm) Dimension F (G)
- Page 9 Installation of Indoor, Outdoor Unit • Select and mark the position for fixing bolts. • Drill the hole for set anchor on the face of ceiling. • Insert the set anchor and washer onto the suspension bolts for locking the Old building New building suspension bolts on the ceiling.
- Page 10 Installation of Indoor, Outdoor Unit CAUTION 1. Install declination of the indoor unit is very important for the drain of the duct type air conditioner. 2. Minimum thickness of the insulation for the connecting pipe shall be 5 mm. Front of view •...
- Page 11 Installation of Indoor, Outdoor Unit • Drill the piping hole with 70mm dia, hole WALL Indoor Outdoor core drill. • Piping hole should be slightly slant to the outdoor side. 5~7 mm INSULATION, OTHERS Insulate the joint and tubes completely. THERMAL INSULATION All thermal insulation must comply with local requirement.
- Page 12 Installation of Indoor, Outdoor Unit Install the remote control box INSTALLATION OF REMOTE CONTROL BOX and cord correctly. POINT OF REMOTE CONTROLLER INSTALLATION • Although the room temperature sensor is in the indoor unit, the remote control box should be installed in such places away from direct sunlight and high humidity. INSTALLATION OF THE REMOTE CONTROL BOX ROUTING OF THE REMOTE CONTROL CORD •...
- Page 13 Installation of Indoor, Outdoor Unit Perform the work according to the Service REFRIGERANT PIPING Manual or Installation Guide. • Use two spanners when connect the Flared connection (Union) refrigerant pipe to the unit. • Make a bend with a radius as large as possible.
- Page 14 Installation of Indoor, Outdoor Unit Perform the electrical wiring work according to ELECTRICAL WIRING the electrical wiring connection. • All wiring must comply with local requirements. Circuit Breaker Main • Select a power source that is capable of power source Switch box supplying the current required by the air conditioner.
-
Page 15: Connecting Pipes To The Indoor Unit
Connecting Pipes to the Indoor Unit Connecting Pipes to the Indoor Unit 3-1. Preparation of Piping Copper Main cause of gas leakage is defect in Slanted Uneven Rough tube 90° flaring work. Carry out correct flaring work in the following procedure. 1) Cut the pipes and the cable. - Page 16 Connecting Pipes to the Indoor Unit 6) Pipe bending Annealed copper pipe with small diameter (ø6.35 or ø9.52) can be easily bent manually. In this case, secure large R(radius) for the bend section and gradually bend pipe. If annealed copper pipe is large in diameter (ø15.88 or ø19.05), bend pipe with bender. Use bender appropriate for the pipe diameter.
-
Page 17: Connecting Pipes To The Outdoor Unit
Connecting Pipes to the Outdoor Unit Connecting Pipes to the Outdoor Unit 1) Connecting the pipes to the Outdoor unit 1. Align the center of the pipings and sufficiently tighten the flare nut with fingers. 2. Finally, tighten the flare nut with torque wrench until the wrench clicks. -
Page 18: Connecting Cables Between Indoor Unit And Outdoor Unit
Connecting Cables between Indoor Unit and Outdoor Unit Connecting Cables between Indoor Unit and Outdoor Unit 1) Connecting cables to the Indoor Unit I Connect the wires to the terminals on the control board individually according to the outdoor unit connection. •... - Page 19 Connecting Cables between Indoor Unit and Outdoor Unit 3) Connecting the cable to the Outdoor Unit Outdoor unit 1. Remove the Cover control from the unit by loosening a screw. Terminal block Connect the wires to the terminals on the control board individually as following.
- Page 20 Connecting Cables between Indoor Unit and Outdoor Unit 4) Form the pipings 1. Wrap the connecting portion of indoor unit with the Insulation material and secure it with two Plastic Bands. (for the Seal a small opening around the pipings right pipings) with gum type sealer.
-
Page 21: Air Purging Of The Connecting Pipes And The Indoor Unit
Air Purging of the Connecting Pipes and the Indoor Unit Air Purging of the Connecting Pipes and the Indoor Unit The air which contains moisture remaining in the refrigeration cycle may cause a malfunction on the compressor. 1. Confirm that both the liquid side valve and the gas side valve are set to the closed position. 2. -
Page 22: Group Control
Group Control Group Control It operates maximum 16 Units by only one Wired Remote Controller, and each Unit starts sequentially to prevent overcurrent. Main PCB Indoor Unit 1 Indoor Unit 2 Indoor Unit 16 Terminal(Local Supply) Terminal(Local Supply) Terminal(Local Supply) Block Block Block... -
Page 23: E.s.p.(External Static Pressure) Setting
E.S.P.(External Static Pressure) Setting E.S.P.(External Static Pressure) Setting (1) Open the rear cover of the wired remote-controller to set the mode. (2) Select one of three selectable modes as follows. I Without Zone System 1. Position V-H, F-H: • This position sets the maximum E.S.P as a default set. 2. -
Page 24: How To Set E.s.p
How to Set E.S.P? How to Set E.S.P? Procedure of RPM change: Ex) External Static pressure is 4mmAq for Model Name "LB-H2460RH" • To protect the unit, compressor is designed to be off during E.S.P. setting. Push the "On/Off" button. The unit will start. -
Page 25: Installation Guide At The Seaside
3) Select a well-drained place. 1. If you can’t meet above guide line in the seaside installation, please contact LG Electronics for the additional anticorrosion treatment. 2. Periodic ( more than once/year ) cleaning of the dust or salt particles stuck on the heat exchanger by using water... - Page 26 P/No.: MFL38509406 Printed in Korea After reading this manual, keep it in a place easily accessible to the user for future reference.
Need help?
Do you have a question about the AUUH306C and is the answer not in the manual?
Questions and answers