Electrolux EPI12NLIW Manual Del Usuario página 21

Refrigerant
Lo stop valve
Outdoor
(3-way valve)
Unit
Hi stop valve
(2-way valve)
tips and information
A: Low pressure valve (3-way) - gas side.
B: High pressure valve (2-way) - liquid side.
C and D: they are the ends of indoor unit
connection
Valve body
Charge port
Valve stem
Stopper
Refer to the valve cap tightening torque value
as below:
Outer diam.
Torque
(N.m)
(mm)
Indoor
Unit
Gas side
Liquid side
Half union
Flare nut
Cap
Additional
Torque (N.m)
19.6 (2.0kg.m)
78.6 (8.0kg.m)
When Using the Vacuum Pump
1
and D, connect the manifold valve charge
hose (blue) to the charge port of the low
pressure valve (3-way valve) on the gas pipe
side.
2 Connect the other charge hose (yellow) of
manifold to the vacuum pump.
3 Fully open the handle Lo of the manifold
valve.
Open the vacuum pump for vacuumization.
of the low pressure valve to check if there
is air coming inside (If operation noise of
the vacuum pump has been changed, the
reading of multimeter is 0 instead of minus).
and make sure the reading of multimeter is
-1.0 x 10 Pa (-76cmHg). Then fully close
the handle Lo of manifold valve and stop the
operation of the vacuum pump.
6 Turn the stem of the stop valve B (2-way
seconds after the gas coming out, then
pressure display in the pressure indicator is a
little higher than the atmosphere pressure.
7 Remove the charge hose from the low
pressure charge port.
8 Fully open the valve stems of A (3-way valve)
and B (2-way valve).
9 Securely tighten the stem cap.
Outdoor Unit
Multimeter
-76cmHg
Lo Handle
Charging hose
Low pressure
valve
Vacuum Pump
Manifold
valve
Hi Handle
Charging
hose
20