5.Installation Instructions
1. Installation Tools
1) Driver 2) Hacksaw 3) Hole core drill 4)Hexagon wrench(5mm) 5) Spanner(14,17,19 and
24mm) 6) Torque wrench(17,22,24mm) 7) Pipe cutter 8) Flaring tool
For example: use two spanner to joint the pipe
2. Standard Accessories
The standard accessories includes : 1) Measuring type 2) Reamer 3) Refrigerant oil 4) Gas
leakage detector or soap-and-water solution 5) Knife 6) Nipper
3. Installation Dimensions of Indoor & Outdoor units
Please to see the Mechanical Data
4. Installation procedures & Points of attention
4.1 The Order of Installation Work
Work Main points
Before installation Work division To ascertain the responsible for installation of pipes and wiring
Make installation diagram To ascertain the pipe installation dimension and position of electronic
expansion valve, to make control wiring diagram
Work Installation of indoor and
outdoor unit
To prevent the ventilation from short circuit and guarantee repair space
Refrigerant pipe work Pay attention to dry, clean and seal
Drain pipe work Slant downward
Heat insulation work No gaps in the joint of heat insulation material
Wiring work (control wire,
power cord)
Choose the proper wire and cord
Set every set switch Should be complied with control wiring system diagram
Airtight test Close all the gas, liquid valve
Vacuum drying Should the vacuum pump that can reach 200Pa vacuity
Additional refrigerant Wire down the additional refrigerant amount on the outdoor unit body and
record table
Test run adjustment Do test run to indoor unit by one to verify if there is wrong pipes
Training of use and
maintenance
Explain to user, simultaneously provide all the documents
4.2 Attentive matters of safety
· Before installing, do read this [Attention matter of safety] carefully to guarantee the proper installation.
· The below attentive matters are divided into [warning] and [note] two parts. When the wrong installation
occurs, it is very possible lead to death and severe injury, and other serious accidents will happen. For
those items are listed in [warning] part. But even the items very important contents related to safety, so
they must be obeyed.
· After installation, do test operation to verify everything is normal, after that please explains the use
method and maintenance method to the user according to the operation manual. Additionally, give the
installation manual together with operation manual to the user and ask them to keep them properly.
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