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Thank you for purchasing this Toshiba air conditioner.
Please read carefully through these instructions that contain important information which complies with the
Machinery Directive (Directive 2006/42/EC), and ensure that you understand them.
After completing the installation work, hand over this Installation Manual as well as the Owner’s Manual provided
to the user, and ask the user to keep them in a safe place for future reference.
Generic Denomination: Air Conditioner
Definition of qualified installer or qualified service person
The air conditioner must be installed, maintained, repaired and removed by a qualified installer or qualified service
person. When any of these jobs is to be done, ask a qualified installer or qualified service person to do them
A qualified installer or qualified service person is an agent who has the qualifications and knowledge described in
the table below.
Agent Qualifications and knowledge which the agent must have
Qualified installer (*1)
• The qualified installer is a person who installs, maintains, relocates and removes the air conditioners
made by Toshiba Carrier Corporation. He or she has been trained to install, maintain, relocate and
remove the air conditioners made by Toshiba Carrier Corporation or, alternatively, he or she has
been instructed in such operations by an individual or individuals who have been trained and is thus
thoroughly acquainted with the knowledge related to these operations.
• The qualified installer who is allowed to do the electrical work involved in installation, relocation and
removal has the qualifications pertaining to this electrical work as stipulated by the local laws and
regulations, and he or she is a person who has been trained in matters relating to electrical work on the
air conditioners made by Toshiba Carrier Corporation or, alternatively, he or she has been instructed in
such matters by an individual or individuals who have been trained and is thus thoroughly acquainted
with the knowledge related to this work.
• The qualified installer who is allowed to do the refrigerant handling and piping work involved in
installation, relocation and removal has the qualifications pertaining to this refrigerant handling and
piping work as stipulated by the local laws and regulations, and he or she is a person who has been
trained in matters relating to refrigerant handling and piping work on the air conditioners made by
Toshiba Carrier Corporation or, alternatively, he or she has been instructed in such matters by an
individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge
related to this work.
• The qualified installer who is allowed to work at heights has be en trained in matters relating to working
at heights with the air conditioners made by Toshiba Carrier Corporation or, alternatively, he or she
has been instructed in such matters by an individual or individuals who have been trained and is thus
thoroughly acquainted with the knowledge related to this work.
Qualified service
person (*1)
• The qualified service person is a person who installs, repairs, maintains, relocates and removes the
air conditioners made by Toshiba Carrier Corporation. He or she has been trained to install, repair,
maintain, relocate and remove the air conditioners made by Toshiba Carrier Corporation or, alternatively,
he or she has been instructed in such operations by an individual or individuals who have been trained
and is thus thoroughly acquainted with the knowledge related to these operations.
• The qualified service person who is allowed to do the electrical work involved in installation, repair,
relocation and removal has the qualifications pertaining to this electrical work as stipulated by the local
laws and regulations, and he or she is a person who has been trained in matters relating to electrical
work on the air conditioners made by Toshiba Carrier Corporation or, alternatively, he or she has been
instructed in such matters by an individual or individuals who have been trained and is thus thoroughly
acquainted with the knowledge related to this work.
• The qualified service person who is allowed to do the refrigeran t handling and piping work involved in
installation, repair, relocation and removal has the qualifications pertaining to th is refrigerant handling
and piping work as stipulated by the local laws and regulations, and he or she is a person who has
been trained in matters relating to refrigerant handling and piping work on the air conditioners made
by Toshiba Carrier Corporation or, alternatively, he or she has been instructed in such matters by an
individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge
related to this work.
• The qualified service person who is allowed to work at heights has been trained in matters relating to
working at heights with the air conditioners made by Toshiba Carrier Corporation or, alternatively, he or
she has been instructed in such matters by an individual or individuals who have been trained and is
thus thoroughly acquainted withthe knowledge related to this work.
Original instruction
Please read this Installation Manual carefully before installing the Air Conditioner.
y This Manual describes the installation method of the indoor unit.
y For installation of the outdoor unit, follow the Installation Manual attached to the outdoor unit.
ADOPTION OF R410A REFRIGERANT
This Air Conditioner uses R410A an environmentally friendly refrigerant.
Information
If U series models (TU2C-Link) are combined with models other than U series (TCC-Link), the wiring
specifications and maximum number of connectable indoor units will be changed. Pay attentions to their
communication specifications when carrying out the installation, maintenance, or repair. For its details, refer to
the “Electrical connection” in this Manual.
Contents
1 Precautions for safety ......................................................... 3
2 Accessory parts ............................................................... 7
3 System control of fresh air intake unit ......................................... 7
4 Selection of installation place .................................................. 8
5 Installation .................................................................... 9
6 Drain piping .................................................................. 11
7 Duct design .................................................................. 13
8 Refrigerant piping ............................................................ 19
9 Electrical connection ......................................................... 20
10 Applicable controls ........................................................... 25
11 Test run ...................................................................... 26
12 Maintenance ................................................................. 27
13 Troubleshooting .............................................................. 28
14 Specifications ................................................................ 33
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