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Please read this Installation Manual carefully before installing the Air Conditioner.
• This Manual describes the installation method of the
• For installation of the air handling unit, follow the Installation Manual attached to the air handling unit. (Field supply)
• For installation of the outdoor unit, follow the Installation Manual attached to the outdoor unit.
• Carrier does not take any responsibility on the local design.
This Air Conditioner uses R410A an environmentally friendly refrigerant.
Contents
1.
Precautions .................................................................................................................. 3
2.
Overview ....................................................................................................................... 7
3.
Accessories................................................................................................................ 13
4.
Installation .................................................................................................................. 14
Installation Dx-valve kit (Refrigerant pipe) .............................................................. 16
Installation Dx-coil controller (Electrical wiring, DN setting) ................................ 21
5.
Test run ....................................................................................................................... 41
6.
Trouble shooting ........................................................................................................ 42
Definition of Protective Gear
• When the VRF DX COIL INTERFACE is to be transported, installed, maintained, repaired or removed, wear
protective gloves and "Safety" work clothing.
• In addition to such normal protective gear, wear the protective gear described below when undertaking the special
work detailed in the following table.
• Failure to wear the proper protective gear is dangerous because you will be more susceptible to injury, burns, electric
shocks and other injuries.
Work undertaken
All types of work
Electrical-related work
Work done at heights
(50 cm or more)
Transportation of heavy
objects
Repair
ADOPTION OF R410A REFRIGERANT
Protective gloves
"Safety" working clothing
Gloves to provide protection from electric shock
Insulating shoes
Clothing to provide protection from electric shock
Helmets for use in industry
Shoes with additional protective toe cap
Gloves to provide protection for electricians
VRF DX COIL INTERFACE .
Protective gear to wear
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