6
7
3
PARTS NAMES AND FUNCTIONS
3-1. Indoor (Main) Unit
Air outlet
Air intake
Oil filter (Air intake)
It prevents oil from
getting into the unit.
Left/right guide vanes
Change the direction of airflow
from the horizontal blower.
Up/down guide vanes
Change the direction of airflow from the
vartical blower.
[3] Service tools
Use the below service tools as exclusive tools for R410A refrigerant.
Gravimeter
Unit
No.
Tool name
Specifications
1
Gauge manifold
· Only for R410A
· Use the existing fitting specifications. (UNF1/2)
· Use high-tension side pressure of 5.3MPa·G or over.
2
Charge hose
· Only for R410A
· Use pressure performance of 5.09MPa·G or over.
3
Electronic scale
—
4
Gas leak detector
· Use the detector for R134a, R407C or R410A.
5
Adaptor for reverse flow check
· Attach on vacuum pump.
6
Refrigerant charge base
—
7
Refrigerant cylinder
· Only for R410A · Top of cylinder (Pink)
· Cylinder with syphon
8
Refrigerant recovery equipment
—
OCH492A
