Multi F Ceiling Cassette Installation Manual

MULTI
F
MAX
MULTI
F
Due to our policy of continuous product innovation, some specifications may change without notification.
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INSTALLATION CHECKLIST
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Condensate Pump / Drain Installation
Description Check
Indoor unit condensate drain pipes were installed correctly.
All condensate vertical risers are equal to or less than 27-1/2″ from the bottom of the indoor unit.
Indoor units with condensate pumps were level. Units with gravity drains were level or slightly canted toward the drain connection
and are supported properly.
Pumped condensate drain lines were properly connected (do not have traps, and connect to the top surface of the main drain
line).
Power Wire and Communications Cables
Description Check
Power wiring was connected to a single phase 208-230V source.
Ground wire was installed and properly terminated at the unit.
The power supplied was clean with voltage fluctuations within specifications. (±10% of nameplate).
Power wiring to the Multi F / Multi F MAX outdoor unit was installed per all local electrical code requirements.
Power wiring to the indoor units and branch distribution unit(s) (Multi F MAX only) was installed per all local electrical code
requirements.
LG-supplied cable was used between each indoor unit and its zone controller. No cables were spliced and no wire caps are
present.
Communication type RS-485–BUS type.
Communications / power were a minimum of 18-AWG, four (4) conductor, stranded, shielded or unshielded, with insulation mate-
rial per local code. If shielded, must be ground to outdoor unit only. Cable segment shields were tied together.
Used appropriate crimping tool to attach ring or spade terminals at all power wiring and control cable terminations.
Power and control wires were run in the same conduit (ODU to IDU only) as provided in the product installation manual.
Power to ODU and power/communications to IDU cannot be run in the same conduit and must be separated per manufacturer’s
guidelines.