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Idiomas disponibles
Idiomas disponibles
refrIGerAnT PIPInG & refrIGerAnT CHArGe
b. for the downward piping
Cables
liquid piping
?
N O T E
Cables shall not contact directly to the pipes.
c. for the rear side piping
?
N O T E
Remove the rear pipe cover under the rear cover and remove
part following the slit.
2 mount the piping cover in order to avoid water entering into
the unit. Seal the holes where pipes and wires are inserted,
by using a insulation (field-supplied).
3 If the field-supplied piping is connected with stop valves
directly, it is recommended use a tube bender.
4 Check to ensure that the stop valves are closed completely
before connecting pipes.
5 Connect the field supplied refrigerant pipes to the indoor unit
and outdoor unit. Apply the oil thinly at the seat flare nut and
pipe before tightening.
6 After connecting the refrigerant piping, seal the open space
between knockout hole and refrigerant pipes by using
insulation material.
7 operation of stop valve should be performed according to
the figure below.
11
PMML0395B rev.3 - 05/2019
Gas piping
Knock-out hole
Bottom base
rear Cover
Outdoor unit stop valve
Spindle Type
Closed upon factory shipping
Tightening Torque (Nm)
liquid valve
7-9
Gas valve
9-11
Spindle Type
Nº
Description
Cap
Allen wrench
refrigerant Piping
flare nut
refrigerant Pressure
Seat Surface
Check Joint
Charge port cap
o-ring
Spindle valve
Do not apply two
spanners at this
position. If applied,
leakage will occur.
Spindle valve
flare nut
Cap
Check joint for service port
33-42
33-42
14-18
68-82
50-62
Remarks
Liquid valve: Hex 4 mm /
Gas valve: Hex 5 mm
field Supplied
To outdoor Unit
fully closed position
only the charging hose can be
connected
rubber
open – Counterclockwise
Close – Clockwise
Stop valve
(Spindle type)
flare nut
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