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INSTALLATION MANUAL
AIR
CONDITIONER
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.
SINGLE PACKAGE TYPE AIR CONDITIONER
MFL71887801
Rev.01_032522
Copyright © 2022 LG Electronics Inc. All Rights Reserved.
www.lg.com
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Table of Contents
Troubleshooting
Related Manuals for LG AK-C3608H00
Summary of Contents for LG AK-C3608H00
- Page 1 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. SINGLE PACKAGE TYPE AIR CONDITIONER www.lg.com MFL71887801 Rev.01_032522 Copyright © 2022 LG Electronics Inc. All Rights Reserved.
- Page 2 TIPS FOR SAVING ENERGY TIPS FOR SAVING ENERGY Here are some tips that will help you minimize the power consumption when you use the air conditioner. You can use your air conditioner more efficiently by referring to the instructions below: •...
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Page 3: Safety Instructions
SAFETY INSTRUCTIONS SAFETY INSTRUCTIONS The following safety guidelines are intended to prevent unforeseen risks or damage from unsafe or incorrect operation of the appliance. The guidelines are separated into ‘WARNING’ and ‘CAUTION’ as described below. This symbol is displayed to indicate matters and operations that can cause risk. Read the part with this symbol carefully and follow the instructions in order to avoid risk. - Page 4 SAFETY INSTRUCTIONS • Do not install the product on a defective installation stand. - It may cause injury, accident, or damage to the product. • Be sure the installation area does not deteriorate with age. - If the base collapses, the air conditioner could fall with it, causing property damage, product failure, and personal injury.
- Page 5 SAFETY INSTRUCTIONS CAUTION Installation • Always check for gas (refrigerant) pressure after installation or repair of product. - Low refrigerant levels may cause failure of product. • Install the drain hose to ensure that water is drained away properly. - A bad connection may cause water leakage. •...
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Page 6: Table Of Contents
TABLE OF CONTENTS TABLE OF CONTENTS TIPS FOR SAVING ENERGY SAFETY INSTRUCTIONS INTRODUCTION Features DIMENSIONAL DATA INSTALLATION OF UNIT General Statement Safety Issues Inspection for damage General Location of unit Installation Clearance Rigging Instructions Condensate Drain Connection Duct Connection Electric Heaters Crankcase Heater Pump Down Control Electronic Wiring... -
Page 7: Introduction
INTRODUCTION INTRODUCTION Features Single packaged Units have been developed & produced to provide not only the ultimate indoor comfort, but also to guarantee long & trouble free operations. Here lies the reason for the choice of only the highest quality components and design strategist to meet the most important objective such as: •... - Page 8 INTRODUCTION Standard Features Optional Features - Refrigerant : R410A. - Electric Heater. - Factory Wired with Single Point Power Input. - Overload External protection for Blower Motor. - Scroll Compressor. - Anti Ice thermostat. - High Pressure & Low Pressure Safety Switches.
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Page 9: Dimensional Data
DIMENSIONAL DATA DIMENSIONAL DATA Single packaged Units are designed for outdoor mounting with vertical condenser discharge. They can be located either at ground level or on roof. Each unit contains an operating charge of Refrigerant as shipped. [Unit : mm] TOP VIEW LHS VIEW SUPPLY... -
Page 10: Installation Of Unit
INSTALLATION OF UNIT INSTALLATION OF UNIT General Statement Single packaged Units have been designed & built for the optimum performance. However, it is required that you become well acquainted with good practices for the proper installation/operation/ and maintenance procedures in order to ensure a safe trouble free operation, year after year. -
Page 11: Inspection For Damage
INSTALLATION OF UNIT Inspection for damage The unit should be carefully inspected visually for any sign of physical damage due to mishandling. Whenever a damage is detected, please indicate it on the corresponding delivery note before you sign it. General These units are shipped completely assembled, charged, and wired. -
Page 12: Location Of Unit
INSTALLATION OF UNIT Location of unit When selecting the location for the unit, the following points should be kept in mind: 1. Provisions for a concrete pad or steel stand base. 2. That the terrain allows for drainage away from the unit. 3. -
Page 13: Installation Clearance
INSTALLATION OF UNIT Installation Clearance Straight Wall 1,500 3,000 Corner Wall 1,500 1,500 NOTE All dimensions are in (mm). -
Page 14: Rigging Instructions
INSTALLATION OF UNIT Rigging Instructions Attention to riggers • Insert 2” nominal pipe through holes in the base rail as shown in the figure below for slings. • Holes in base rail are centered around the unit center of gravity. •... -
Page 15: Electric Heaters
INSTALLATION OF UNIT Electric Heaters Electric heater kit is installed as an externally mounted kit at the supply air opening. Crankcase Heater The crankcase heater is provided to hold the compressor oil reservoir at higher temperature than the coldest part in the system. Power must be supplied to crankcase heater for a minimum of 12-hours prior to system start-up. -
Page 16: Electronic Wiring
INSTALLATION OF UNIT Electronic Wiring Main power source Follow ordinance of your governmental organization for technical standard related to electrical equipment, wiring regulations and Circuit Breaker guidance of each electric power company. Conditioner Use a circuit breaker WARNING or time delay fuse. •... -
Page 17: Maintenance Instructions
MAINTENANCE INSTRUCTIONS MAINTENANCE INSTRUCTIONS Airflow Adjustment The airflow could be adjusted by adjusting pulleys of blower motor or belt tension with proper mounting and alignment of pulleys: - Refer to fan performance tables in the catalog for selecting applicable airflow, RPM and brake horse power at specified static pressure. -
Page 18: Belt Tension Testing Procedure Instruction
MAINTENANCE INSTRUCTIONS Belt Tension Testing Procedure instruction To determine the lbs. force required to tension a drive, you simply do the following: 1. Measure the Belt span as shown. 2. Divide belt span by 64 to get belt deflection needed to check tension. 3. -
Page 19: Preventive Maintenance Schedule
MAINTENANCE INSTRUCTIONS Belt Deflection Force-LBS. Belt Cross Small Pulley Belt Type Section Pitch DIA.(P.D.) Range Minimum Maximum 1.25 - 1.75 2 - 2.25 2.5 - 3 1-1/8 2.1 - 2.8 1-1/8 1-5/8 3 - 3.5 1-1/2 2-1/8 3.7 - 5 1-7/8 2-5/8 3 - 4.2... -
Page 20: Trouble Shooting
TROUBLE SHOOTING TROUBLE SHOOTING Symptom Causes Check & Corrective measure 1. Check the power. Switch ON the circuit 1. Power off / Blown fuse breaker. Replace fuse if it blown. Thermostat shows no 2. Faulty field wiring 2. Check wiring against diagram. display 3. - Page 21 TROUBLE SHOOTING Symptom Causes Check & Corrective measure 1. a) Verify the reason for low suction pressure (refer to symptom for "low suction pressure"). 1. Safety circuit open due to : b) Verify the reason for high discharge a) Low suction pressure pressure (refer to symptom for "high Compressor runs, but b) High discharge pressure...
- Page 22 TROUBLE SHOOTING Symptom Causes Check & Corrective measure 1. Verify the reason for low suction pressure (refer to symptom for "low suction pressure"). 1. Low suction pressure 2. Verify the reason for high discharge 2. High discharge pressure pressure (refer to symptom for "high Unit works 3.
- Page 23 TROUBLE SHOOTING Symptom Causes Check & Corrective measure Taking more time for 1. Leaky pumpdown solenoid 1. Check pumpdown solenoid valve and the pumpdown cycle, valve replace it. cooling coil ices up 1. Improper installation 1. Check and correct it properly. 2.
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Page 24: Index
INSTALLATION OF THERMOSTAT INSTALLATION OF THERMOSTAT CAUTION Failure to read and follow all instructions carefully before installing or operating this control could cause personal injury and/or property damage. INDEX Thermostat Installation Maximum Thermostat Applications Stages Wiring Heat/ Cool Installer Menu Conventional Gas, Oil, Test Equipment Electric(mV and 24V), Heat... -
Page 25: Specifications
INSTALLATION OF THERMOSTAT Specifications Electrical Rating: Battery Power ........mV to 30 VAC, NEC Class II, 50/60 Hz Input-Hardwire........20 to 30 VAC, NEC Class II, 50/60 Hz Terminal Load..........1.5 A per terminal,2.5A maximum all terminals combined Setpoint Range..........45° to 99° F (7° to 37° C) Rated Differentials (@ 6°F/ Hr): ....Fast Slow Heat (Conventional Gas / Oil / Elect) -
Page 26: Thermostat Installation
INSTALLATION OF THERMOSTAT Thermostat Installation WARNING Refer to equipment manufacturer’s instructions for specific system wiring information. After wiring, see INSTALLER MENU for proper thermostat configuration. Wiring table shown are for typical systems and describe the thermostat terminal functions. Wiring will change when dedicated emergency heat is on (See Installer menu #15). WIRING Terminal Designations Terminal Function... - Page 27 INSTALLATION OF THERMOSTAT WARNING Do not use on circuits exceeding specified voltage. Higher voltage will damage control and could cause shock or fire hazard. Do not short out terminals on gas valve or primary control to test. Short or incorrect wiring will burn out thermostat and could cause personal injury and/or property damage.
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Page 28: Installer Menu
INSTALLATION OF THERMOSTAT Installer Menu To prevent changes that may affect system performance, this thermostat has an INSTALLER MENU and a USER MENU. The INSTALLER MENU provides access to every option, while the USER MENU provides access to items that will not affect system performance. To access the INSTALLER MENU press the Menu button for 8 seconds. -
Page 29: Test Equipment
INSTALLATION OF THERMOSTAT Installer Menu # Default Setting Settings (Press ▲ or ▼) (Hold Menu 8 Description (flashing icons) Seconds) Auto Changeover: thermostat On – enable auto automatically switches OFF – disable auto between heat and cool. Keypad Lock: prevent On –... -
Page 30: Using The Thermostat
USING THE THERMOSTAT USING THE THERMOSTAT Thermostat Overview Before you begin using your thermostat, you should be familiar with its features, display and the location/operation of the thermostat buttons and switches. Thermostat Buttons And Switches The Display 1) Fan Button 8) Next (Menu button) is used to navigate within a menu 2) Away Button (set a frequently 9) Back (Fan button) is used to navigate within a menu... -
Page 31: User Menu
USING THE THERMOSTAT User Menu To customize thermostat settings, press the Menu button from the home screen. Use the ▲ or ▼ buttons to highlight Settings and press Next. Use Next and Back to navigate through menu items. Press ▲ or ▼ to change the setting. User’s Menu # Default Setting Settings (Press ▲... -
Page 32: Troubleshooting
TROUBLESHOOTING TROUBLESHOOTING Resetting the Thermostat or Thermostat Settings If the thermostat has good batteries, but has a blank display or does not respond to key presses, the thermostat should be reset by removing the batteries for 2 minutes. This reset will not change the menu settings or program. If the condition persists after reinstalling the batteries, replace the thermostat. - Page 33 TROUBLESHOOTING Symptom Possible Cause Correction Action Possible short in wiring, Check each wire connection to verify they are Heat, Cool or thermostat, heat, cool or fan not shorted or touching other wires. Try Fan Runs system resetting the thermostat. If the condition Constantly persists contact your HVAC service person.
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Page 34: Installer Setting
INSTALLER SETTING INSTALLER SETTING Final Installation Checklist and Maintenance • Is the outdoor unit fan and indoor blower operating correctly, with proper rotation and without undue noise? • Have voltage and running currents been checked to determine if it is within limits? •... - Page 35 INSTALLER SETTING Maintenance Performed by Serviceman To keep your unit operating safely and efficiently, the manufacturer recommends that a qualified serviceman check the entire system at least once each year, or more frequently if conditions warrant. Your serviceman may examine these areas of your unit: 1.
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Page 36: Installation Guide At The Seaside
Install the outdoor unit on - If you can’t meet above guide line in the the opposite side of the sea wind direction. seaside installation, please contact LG Electronics for the additional anticorrosion. - Periodic (more than once/year) cleaning... -
Page 37: Instruction Sheet
INSTALLER SETTING Instruction Sheet Model AK-C3608H00 AK-C4208H00 AK-C4808H00 Brand LG Electronics Inc LG Electronics Inc LG Electronics Inc Country of origin Bahrain Bahrain Bahrain Type Packaged Packaged Packaged Voltage (V) 380-415 380-415 380-415 Min Voltage (V) Phase (Ø) Frequency (Hz) Refrigerant R410A (kg) 34.0...