Multi F Ceiling Cassette Installation Manual

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Installation Manual
Due to our policy of continuous product innovation, some specifications may change without notification.
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INTRODUCTION
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.
• Connecting cable (power and control)
• Pipes - vapor line and liquid line, with
insulation
• 3/8” or 1/2” Threaded hanger rods
• 3/8” or 1/2” nuts, at washers, and
lock/split washers
• Additional drain hose
• Insulation for additional drain hose
• Level
• Screwdriver
• Electrical lineman pliers
• Electric drill
• Hole core drill
• Flaring tool set
• Tubing cutter
• Tube/pipe reamer
• Torque wrenches
• Adjustable wrench
• Hexagonal wrench
• Gas-leak detector
• Gauge manifold
• Thermometer
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 re, 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.
Figure 1: Typical Multi F Ceiling Cassette Indoor Unit
Required Tools (field provided)
Required Parts (field provided)
Factory Supplied Materials
• Installation Guide (template)
• Owner’s Manual
• Installation Manual