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Lg multi v 5 service manual.Manuals & Documents |
Lg multi v 5 service manual
LG MULTI V5 SERVICE MANUAL Pdf Download | ManualsLib
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Multi V 5 | VRF | HVAC | Business | LG Global.Marketing Material | LG Canada
Central Controllers. Integration Solutions. Specialty Application Devices. Heat Recovery Unit. Outdoor Unit Accessories. Indoor Unit Accessories. Control Accessories. Piping Accessories. Energy Analysis Energy Pro. Product Image. Marketing Materials for Reps.
AHRI Certificates. Engineering Manuals. White Papers. Code Compliance. Warranty Information. Installation Manuals. Owners Manuals. Service Manuals. Our Products. This Limited Warranty shall apply to the System sold by LG in the continental United States, Alaska and Hawaii and extend only to the original end use purchaser and subsequent owner s of location on which the System is originally installed all such persons hereinafter referred to as " Customer ". The remedies set forth in the Limited Warranty shall be the sole and exclusive remedies and the original warranty period in this Limited Warranty shall not extend beyond the period set forth therein, nor will a new warranty period begin, upon replacement of the Part s provided under this Limited Warranty.
Replacement Part s may be of like kind and quality and may be new or remanufactured Part s and warranted for the remaining portion of the original System's warranty period or ninety 90 days, whichever is longer.
This Warranty covers the transportation cost for reshipment of any replaced Part s to the Customer, but does not cover the transportation cost and risk including shipping damage or loss for return of the Part s to LG or its authorized agent and any other costs associated with installation, removal, or re-installation of the Part s.
If any Part s returned to LG is found not to be defective or this Limited Warranty has expired, the Customer is responsible to pay for return shipping cost. This Limited Warranty does not cover charges for labor or other costs incurred in the trouble shooting, maintenance, repair, removing, replacing, installing, complying with local building and electric codes, handling, or replacement of Part s and the complete System.
LG will not be responsible or liable for any and all costs such as but not limited to any parts, labor, supplies, or refrigerant necessary to alter, rework, or modify the System to prepare the System for proper commissioning. This Limited Warranty shall not be enlarged, extended, effected, and no obligation or liability shall be created by LG providing technical advice, information, service s , applications suggestions, or equipment modifications to any person or entity associated with the installation of the System.
Maintenance or field provided part s other than those provided by LG such as filters, field installed components or accessories including but not limited to refrigerant piping, drain lines, control and electrical wiring, ductwork, etc.
Acts, omissions, and conduct of any and all third parties including, but not limited to, the installing contractor. Any such assertion of claims must be accompanied by the original sales receipt as the proof of purchase and time of installation of the System.
The assertion of the claim must occur within thirty 30 days from the date that the claim is identified. Table of Contents. Variable Refrigerant Flow Outdoor Units.
Previous Page. Next Page. Page 2 4. For continual product development, LG Electronics U. All rights reserved. Page 4: Safety Precautions There is a risk of explosion, physical injury, or death. Due to our policy of continuous product innovation, some specifications may change without notification. Page 5 There is risk of property damage. Page 6 Failure to carefully read and follow all instructions in this manual can result in equipment malfunction and property damage.
Page 7 If the base collapses, the unit could fall and cause property damage or product failure. Partial Defrost Control Operation will stop for the lower heat exchanger when the temperature rises above the set temperature. Page 47 5 minutes except for models with only one [1] compressor. Page 49 29A or less 29A or less 29A or more 29A or more 41A or more 41A or more Due to our policy of continuous product innovation, some specifications may change without notification.
Page 52 Auto Addressing Procedure Ends. Page 53 Figure 5: Quick Control Setting. Energy saving feature. Page 57 Same as Normal Operation System error has occurred Due to our policy of continuous product innovation, some specifications may change without notification. Page 58 Is the refrigerant amount correct? Reverse switch, indoor units off.
Page 61 ITR has successfully completed. Contact your LG representative for technical assistance. The report on the next page is a sample ITR report. Page 63 The results provided by running an Fd mode must not be con- sidered definitive proof that a system is properly operating.
Fd code must not be left on without an LG trained service provider approving and guiding its use. Page 65 1, 0. Page 68 Snow Removal Assist Mode and Rapid Defrost Mode Due to our policy of continuous product innovation, some specifications may change without notification. Page 70 Default Selected High Efficiency Function Cooling Operation Selected Due to our policy of continuous product innovation, some specifications may change without notification.
Page 72 Smart Load Control can be used in almost every application except those where the outdoor unit is supporting a Dedicated Outdoor Air System contact an LG representative for information. Page 74 Due to our policy of continuous product innovation, some specifications may change without notification.
Page 75 The Comfort Cooling Operation mode is set. No outdoor unit PCB reset or power cycle required. Page 78 5. Add refrigerant using the Refrigerant Auto Charge Function. Refrigerant Charging Valve Due to our policy of continuous product innovation, some specifications may change without notification. Fully Open. Page 81 The Forced Oil Return function begins. PCB does not need reset. Page 82 Forced Defrost is Enabled. Page 83 24, op26 Total Number of Indoor Units IDU2 Due to our policy of continuous product innovation, some specifications may change without notification.
Page 85 The Number of Partial Defrosts function begins. Page 86 Use in applications where the LG-trained service technician wants to restart a system for diagnostic purposes, or to operate the system for an extended period with no power to one 1 or more indoor units.
Page Refrigerant Circuit Diagram D : Controls pressure between the high and low pressure vapor pipes during simultaneous operation. Page Heat Recovery Unit Settings 3. Record the address assigned to each heat recovery unit. Page No. Page SW04M Increases the Valve Address by One 1 Due to our policy of continuous product innovation, some specifications may change without notification.
Page Indoor Unit Addressing Upon successful completion of the auto address procedure, record the system address assigned to each indoor unit by the auto address procedure.
Page 7. Record the system address the outdoor unit assigned to each indoor unit by the auto address procedure. Page Pipe Detection Addressing Due to our policy of continuous product innovation, some specifications may change without notification. Page PCB. Auto pipe detection is incomplete. Page PCB for five 5 minutes after the procedure has finished. Valves will not work if the address numbers are the same. Valves will not work if the ad- dress numbers are the same. Page Checking The Compressor 0V if digital tester is unavailable.
Check coil and insulation resistors. Full open Open pulses Pulse Due to our policy of continuous product innovation, some specifications may change without notification. Casing Casing Due to our policy of continuous product innovation, some specifications may change without notification.
Replace EEV. EEV is normal. Page W Terminal : Black - 0. Page Checking The Outdoor Fan Due to our policy of continuous product innovation, some specifications may change without notification. Page Checking The Valves 5. Changes of solenoid valve operation can be verified by measuring bypass outlet piping temperature, detecting refrigerant sound, etc. Temperature Sensor Resistance Due to our policy of continuous product innovation, some specifications may change without notification.
Page PCB for issues. Page 3 Slave2 outdoor unit inverter compressor overcurrent error. Page 3 Slave2 outdoor unit fan CT sensor error. Page 1 5 1 3 Slave2 outdoor unit difference between high and low pressure is too low.
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