LG LVN180HV4 Installation Manual Download Page 1 | Manualshive

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VERTICAL AIR HANDLING UNIT

DOWNFLOW CONVERSION KIT

INSTALLATION MANUAL

LVN360HV4

LVN420HV

LVN480HV

Kit: PNDFK0

for 36

–

48 MBH

LVN180HV4

LVN240HV4
Kit: PNDFJ0

for 18

–

24 MBH

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Summary of Contents for LVN180HV4

Page 1: ...VERTICAL AIR HANDLING UNIT DOWNFLOW CONVERSION KIT INSTALLATION MANUAL LVN360HV4 LVN420HV LVN480HV Kit PNDFK0 for 36 48 MBH LVN180HV4 LVN240HV4 Kit PNDFJ0 for 18 24 MBH ...

Page 2: ...recautions begins on page 3 For more technical materials such as submittals engineering databooks and catalogs visit www lghvac com For continual product development LG Electronics U S A Inc reserves the right to change specifications without notice LG Electronics U S A Inc This document as well as all reports illustrations data information and other materials are the property of LG Electronics U ...

Page 3: ...ay enter the unit causing fire electric shock and physical injury or death Always check for system refrigerant leaks after the unit has been installed or serviced Exposure to high concentration levels of refrigerant gas may lead to illness or death Wear protective gloves and safety goggles when handling equipment Sharp edges may cause personal injury Dispose the packing materials safely Packing ma...

Page 4: ...priate actions at the end of HVAC equipment life to recover recycle reclaim or destroy R410A refrigerant according to applicable U S Environmental Protection Agency EPA rules Periodically check that the outdoor frame is not damaged There is a risk of equipment damage Install the unit in a safe location where nobody can step on or fall onto it Do not install the unit on a defective stand There is r...

Page 5: ...an industry qualified experienced certified electrician familiar with the U S National Electric Code NEC who is equipped with the proper tools and test instruments Failure to carefully read and follow all instructions in this manual can result in equipment malfunction property damage personal injury or death All electric work must be performed by a licensed electrician and conform to local buildin...

Page 6: ...If gas leaks out ventilate the area before operating the unit If the unit is mounted in an enclosed low lying or poorly ventilated area and the system develops a refrigerant leak it may cause fire electric shock explosion physical injury or death To avoid physical injury use caution when cleaning or servicing the air conditioner Do not allow water dirt or animals to enter the unit There is risk of...

Page 7: ... requires field reconfiguration of the indoor unit For vertical down the downflow conversion kit is required There are two downflow kits available for the two VAHU chassis sizes Use the correct conversion kit for your VAHU Refer to Table 1 for VAHU and conversion kit compatibility Figure 1 shows the major components of the conversion kit Figure 1 VAHU Downflow Kit Major Components Panel Brackets T...

Page 8: ...on kit for your VAHU Refer to Table 1 2 Remove VAHU front panels and supports Retain all except bottom front panel Bottom front panel is replaced by a panel in the kit Figure 2 3 Remove pipe in and out sensors and temporarily store in the blower section Figure 3 4 Carefully slide the evaporator coil drain pan assembly out of the cabinet Figure 4 Do not apply excessive force on the piping as it may...

Page 9: ...ft and right rear vertical brackets in the rear corners of the cabinet Figure 6 8 Position the rear horizontal bracket on the two vertical brackets and secure with screws Figure 7 9 Position the left and right horizontal side brackets and secure with screws Figure 7 The brackets are not left right hand dependent 10 Position the front horizontal bracket and secure with screws Figure 7 11 Confirm al...

Page 10: ...racket Figure 11 Wiring Ring Plastic Ring Figure 12 Pipe Support Bracket Pipe Support Bracket Figure 13 Reinstall Sensors Sensors Figure 14 Reinstall Panels New panel Vertical Downflow Installation continued 14 Reinstall the cabinet support bracket Figure 10 15 Reinstall the plastic wiring ring and route the sensor wires through the ring Figure 11 16 Reinstall the refrigerant pipe support bracket ...

Page 11: ...For further technical materials such as submittals engineering manuals service manuals and catalogs visit www lghvac com ...

Page 12: ...ial Air Conditioning Division 4300 North Point Parkway Alpharetta Georgia 30022 www lg vrf com IM_VAHU_Downflow_12_17 LG Customer Information Center Commercial Products 1 888 865 3026 USA Follow the prompts for commercial A C products ...

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