Introduction - LG LMCN077HV Installation Manual

F
MULTI
F
MULTI MAX
Multi F and Multi F MAX Ceiling
Cassette Units
This manual describes how to install the LG Multi F and Multi F MAX
(Multi Zone) Ceiling Cassette Indoor Units (IDU) for Multi F heat
pump systems. Table 1 lists the available models. Refer to LG's Multi
F Indoor Unit Engineering Manual for complete detailed engineering
data and selection procedures.
Safety
Safety of personnel is the primary concern during all procedures.
Read and understand the safety summary at the front of this manual.
Read and understand this installation procedure before beginning
installation. Use the appropriate tools and accessories during instal-
lation. Plan your work and do not work alone, if possible. Know how
to obtain emergency medical and fire fighting assistance.
Installation Personnel
This equipment is intended for installation by personnel trained
in the required construction, mechanical, electrical, and/or other
disciplines.
Applicable Codes
Personnel must be familiar with and follow the applicable national,
state, and / or local codes. In the event of a conflict between any
applicable code and the instructions in this manual, comply with the
applicable code.
WARNING
Installation work must be performed by trained personnel and in accordance with national wiring standards and all local or other applicable codes.
Improper installation can result in fire, electric shock, physical injury, or death.
Note:
Please read all instructions before installing this product. Become familiar with the unit, its components and connections, and the order of installation.
Incorrect installation can degrade or prevent proper operation.
Factory Supplied Materials
• Installation Guide (template)
• Owner's Manual
• Installation Manual
Required Tools (field provided)
• Level
• Screwdriver
• Electrical lineman pliers
• Electric drill
• Hole core drill
Required Parts (field provided)
• Connecting cable (power and control)
• Pipes - vapor line and liquid line, with
insulation
• Flaring tool set
• Tubing cutter
• Tube/pipe reamer
• Torque wrenches
• Adjustable wrench
• 3/8" or 1/2" Threaded hanger rods
• 3/8" or 1/2" nuts, flat washers, and
lock/split washers
Due to our policy of continuous product innovation, some specifications may change without notification.
©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. "LG" is a registered trademark of LG Corp.

INTRODUCTION

Figure 1: Typical Multi F Ceiling Cassette Indoor Unit
• Hexagonal wrench
• Gas-leak detector
• Gauge manifold
• Thermometer
• Additional drain hose
• Insulation for additional drain hose
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