GI-2
DUAL, TRIPLE, POKER DC Inverter : 1. General Informationi
Multi Liberty
DC Inverter
This Manual describes operation, installation and procedures for solving operation malfunctions
of Air Conditioners “Multi Liberty DC Inverter” with Indoor Units Highwall, 60 x 60
Cassette, Console, Floor/Ceiling and Low Ducted type. Up to 4 Indoor Units can be connected to
the different Models of Outdoor Units.
This Manual is addressed to Installers and to Authorized Technical Service, that is charged to
interventions for malfunction diagnosis and for repairing and/or servicing of system.
This Manual implies that Installers and Authorized Technical Service do know well the
equipments and tools which are usually used for repairing electric, mechanical parts and
refrigerant components of air-conditioning systems with R410A refrigerant. Furthermore, people
who this Manual is addressed to should know terms of current use that are used for describing
relevant operations.
In particular, it is recommended to read and follow carefully Safety Precautions and Warnings
that are listed in this Manual. Missed observance of above prescriptions may lead to serious
injuries to people, and even to death.
Relevant Documents
This Manual is not exhaustive about system operation, so it has to be consulted together with the User
Manual, the Installation Sheets of Units and Spare Parts List referred to this Models of Units.
General Precautions and Warnings
WARNING
In order to avoid the risk of death or of serious personal injuries caused by electric shocks, disconnect the
power cable of Units before whatever intervention of repairing or maintenance.
WARNING
In order to avoid the risk of death or of serious personal injuries caused by electric shocks, NEVER tamper
with the ground wire for any reason. The appliance must always been equipped with a ground wire. Do not
remove the Safety label referred to ground wire, which is on the power cable. If the electric system on
installation site is not equipped of ground wire, please contact a qualified Electrician, for conforming electric
system to current Regulations.
WARNING
In order to avoid the risk of death or of serious personal injuries caused by overheating of the system’s
components, it is recommended to always make the system checked for verifying if there are malfunctions
or if the system often stops suddenly.
WARNING
In order to avoid the risk of death or of serious personal injuries caused by electric shocks, earth cables and
cables whose sheath colour corresponds to ground wires, must not be used for power lines of Phase and
Neutral. Standard colour of Ground wires is Green or Yellow/Green. The electric components such as
compressor and fan motors are provided of an individual Ground wire, connected to a metal part of the
appliance. When interventions of repairing or maintenance are carried out, the above Ground wires must
not be disconnected, unless dismantling and replacing of components are needed. Before ending whatever
intervention of repairing or maintenance, it is extremely important to connect again all Ground wires
eventually disconnected before.
1. GENERAL INFORMATION
1.1 GUIDELINES TO CONSULTATION & WARNINGS
