[2] Additional refrigerant charge
When charging directly from cylinder
· Check that cylinder for R410A on the market is syphon type.
· Charging should be performed with the cylinder of syphon stood vertically. (Refrigerant is charged from liquid phase.)
[3] Service tools
Use the below service tools as exclusive tools for R410A refrigerant.
No.
Tool name
1
Gauge manifold
2
Charge hose
3
Electronic scale
4
Gas leak detector
5
Adaptor for reverse flow check
6
Refrigerant charge base
7
Refrigerant cylinder
8
Refrigerant recovery equipment
4
PART NAMES AND FUNCTIONS
4-1. INDOOR UNIT
Air outlet
Liquid pipe
Gas pipe
i-see sensor
(option)
OCH412F
Gravimeter
· Only for R410A
· Use the existing fitting specifications . (UNF1/2)
· Use high-tension side pressure of 5.3MPa·G or over.
· Only for R410A
· Use pressure performance of 5.09MPa·G or over.
· Use the detector for R410A.
· Attach on vacuum pump.
· Only for R410A
· Cylinder with syphon
Drain pipe
Vane
Unit
Specifications
· Top of cylinder (Pink)
5 5
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—
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Filter
Air intake
(Intake grille)