Introduction - LG MULTI F 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. The table on the next page
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 installation. Plan your work and
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.
WARNING
Installation work must be performed by trained personnel and in accordance with national wiring standards and all local or other applicable codes.
Please read all instructions before installing this product. Become familiar with the unit's components and connections, and the order of installation.
Incorrect installation can degrade or prevent proper operation.
Required Parts (field provided)
• Connecting cable (power and control)
• Pipes - vapor line and liquid line, with
insulation
Table 1: Multi F Ceiling Cassette Indoor Units.
Typical Unit
do not work alone, if possible. Know how to
• 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: Multi F LCN188HV4 Ceiling Cassette
Indoor Unit.
• Additional drain hose
• Insulation for additional drain hose
Model Number
Cooling (Btu)
LMCN078HV 7,000
LCN098HV4 9,000
LCN128HV4 12,000
LCN188HV4 18,000
Nominal Capacity
Heating (Btu)
8,100
10,400
13,800
20,800
9