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Heat Pump Indoor Unit
INSTALLATION MANUAL
MODELS: BR/BG/BH Series
Type: Ceiling Concealed Duct - High Static
System
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
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Table of Contents
Related Manuals for LG Multi V BR Series
Summary of Contents for LG Multi V BR Series
- Page 1 System Heat Pump Indoor Unit INSTALLATION MANUAL MODELS: BR/BG/BH Series Type: Ceiling Concealed Duct - High Static 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.
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Page 2: Table Of Contents
Ceiling Concealed Duct - High Static Type Indoor Unit Installation Manual TABLE OF CONTENTS Required Parts Required Tools Installation Requirements Features ........3 Safety Precautions ....4 Installation Level gauge Four type "A" screws Screw driver Connecting cable Electric drill Selection the best location ..7 Hole core drill Ceiling opening dimension Pipes: Gas side... -
Page 3: Features
Feature Features Air outlet vents Air filters Air intake vents Remote Controller Installation Manual 3... -
Page 4: Safety Precautions
Safety Precautions Safety Precautions To prevent injury to the user or other people and property damage, the following instructions must be followed. Be sure to read before installing the air conditioner. Be sure to observe the cautions specified here as they include important items related to safety. Incorrect operation due to ignoring instruction will cause harm or damage. - Page 5 Safety Precautions Do not modify or extend the Do not let the air conditioner Be cautious when unpacking power cable. run for a long time when the and installing the product. humidity is very high and a door or a window is left open. •...
- Page 6 Safety Precautions Installation Always check for gas (refriger- Install the drain hose to ensure Keep level even when installing ant) leakage after installation or that water is drained away prop- the product. repair of product. erly. • Low refrigerant levels may cause •...
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Page 7: Installation
Installation Installation Read completely, then follow step by step. Selection of the best location Install the air conditioner in the location that satisfies the following conditions. • The place shall easily bear a load exceeding four times the indoor unit’s weight. •... -
Page 8: And Hanging Bolt Location
Installation Ceiling dimension and hanging bolt location 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. (Unit:mm) Dimension Capacity (kBtu/h) 18/24k 355 45.5 450 28/36/42k... -
Page 9: Indoor Unit Installation
Installation Indoor Unit Installation • Select and mark the position for fixing bolts. • Insert the set anchor and washer onto the suspen- • Drill the hole for set anchor on the face of ceiling. sion bolts for locking the suspension bolts on the ceiling. -
Page 10: Checking The Drainage
Installation INSULATION, OTHERS Insulate the joint and tubes completely. THERMAL INSULATION All thermal insulation must comply with local requirement. INDOOR UNIT Union for liquid pipe Thermal insulator for refrigerant pipe (Local supply) Thermal insulator for Refrigerant pipe and thermal piping(Local supply) insulator(Local supply) Hose crip for thermal insulator (Local supply) - Page 11 Installation 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 5mm. Front of view • The unit must be horizontal or declined to the drain hose connected when finished installation.
- Page 12 Installation CAUTION: After the confirmation of the above conditions, prepare the wiring as follows: 1) Never fail to have an individual power specialized for the air conditioner. As for the method of wiring, be guided by the circuit diagram posted on the inside of control box cover. 2) Provide a circuit breaker switch between power source and the unit.
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Page 13: Installation Of Remote Controller
Installation Installation of Remote Controller • Although the room temperature sensor is in the indoor unit, the remote controller should be installed in such places away from direct sunlight and high humidity. Installation of the remote controller • Select places that are not splashed with water. •... -
Page 14: Two Thermistor System
Two Thermistor system Two Thermistor system • Open the rear cover of Remote Controller to set up the mode. • Selectable options are three as follows. Room Temp. Sensing Remo. Slide Switch1 - Remo: Sensing the room Temperature. Indoor Unit 2 TH(Remo.+Indoor) - Indoor Unit: Sensing the intake air into indoor Unit. -
Page 15: 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 "ABNH12G1FAB/ABNH24G1FAB" • 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 16 How to Set E.S.P? [Table.1] Static Pressure(mmAq) Model Name Step(Hi/Med/Lo) Setting Value 15.3CMM 13.6CMM 10.3CMM 17.7CMM 14.5CMM 12.2CMM 19.0CMM 16.4CMM 14.5CMM 25.3CMM 21.8CMM 17.6CMM 29.6CMM 25.3CMM 21.8CMM 29.6CMM 26.3CMM 23.6CMM 32.0CMM 28.4CMM 23.6CMM 45CMM 40CMM 33MM NOTICE 1. Be sure to set the value refering table 1. Unexpected set value will cause mal-function. 2.