Installationprocedure Other instruction and test
Other instruction
Set of the air sending of the fan motor
Before leaving factory, the rotation speed of fan motor has already been set at standard choice. When the indoor unit uses free air sending and not needing to connect with duct, the fan speed of indoor unit is set at standard choice. When the indoor unit needs to connect with duct, please according to the following figure shown to change the connection of the connector installed on the side of electric box.
Standard air sending | High fan speed air sending | ||||||||||||
(Before leaving factory) | |||||||||||||
Control box side | Control box side | ||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Connector(White) |
|
| Connector(White) |
| ||||||||
|
| White |
|
|
| Red |
| ||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Fan motor side |
| Fan motor side | ||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
The relative relation between fan speed and static pressure
| Unit: Pa | |
Standard | High fan speed | |
fan speed | ||
| ||
0 | 30 |
Cut and flaring method
Use pipe cutter to cut the pipe, the burrs must be removed.
After inserting the flarer, perform flared nut.
Connecting pipe | Pipe diameter | Dimension A(mm) |
Liquid pipe | 6.35mm(1/4") | 0.8~1.5 |
Gas pipe | 12.7mm(1/2") | 1.0~1.0 |
A
Flarer
Correct
Incorrect
Slant | Broken | Burrs Uncompleted Too long |
The following items must be noticed carefully during installation.
After finishing installation, performing checking.
After installing the refrigerant pipe, drain hose and electric wire properly, perform test run to ensure the system not have trouble.
Test run
It is necessary the installer perform the test run for one time to check if the unit works normally.
26
