ECOsaver V240SP
19
Recovery Procedure of R410A or When the Pressure of Refrigerant is High
● Reduce the suction pressure when R410A is
recovered at high ambient temperature.
● T h e r e c o v e r y m a c h i n e m a y n o t s t o p
automatically if the suction pressure is
20.4kg/cm
2
/290psi or more.
In that case, stop the recovery machine
manually after confirming that the low
pressure gauge indicates 0kg/cm
2
/0psi or
less.
1）Regulate the suction pressure
● Follow the following procedure when R410A or refrigerant at high pressure by heat is recovered.
See “Liquid/Vapor Recovery Procedure” for the standard operation.
● The following procedure is to cool down (sub-cool) the refrigerant in the cylinder instead of
putting the cylinder in water.
2）Cool down the cylinder (Sub-cooling)
① Connect the hoses as above and recover
refrigerant.
② Set the valve of the recovery machine to the
“⓪ START” position when the temperature and
the pressure in the cylinder rise.
③ Close both the high and the low pressure
side valves of the manifold.
④ Open the vapor valve of the cylinder.
⑤ Turn the valve slowly to the “②VAPOR RECOVERY”
position.
＊ Adjust suction pressure with valve to
3 ～ 5 kg/cm
2
／ 43.5 ～ 72.5psi.
⑥ Close the vapor valve of the cylinder when
the pressure in the cylinder drops (reduce
the discharge pressure by 2kg/cm
2
/29psi a
or more).
⑦ Set the valve of the recovery machine to the
“⓪ START”.
⑧ Open the high pressure side valve or the
low pressure side valve of the manifold and
continue recovery.
◆ Noncondensable substance (air) may exist in the cylinder when the temperature of the
cylinder rises abnormally during recovery.
Remove the air or replace the cylinder.
Filter
Safety cable
ON
6
ON
5
Start switch
OFF
2
OFF
7
Power switch
System to be recovered
Recovery cylinder
with float sensor
Auto stop
5
Open
8
Close
3
Low
Open
8
Close
3
High
Open
4
Close
6
Vapor valve
V240SP
Auto stop/run
switch
Open
Liquid valve
Manifold
(optional accessory)
Open
High
Open
Low
Suction pressure
3kg/cm
2
/ 43.5psi
or less
Adjust pressure
by valve
● Cooling Unit (Code No. ES801) can lower the temperature of refrigerant at high pressure.
It improves the recovery rate up to 20% by cooling refrigerant.
See the instruction manual of Cooling Unit for detailed information.
3）Use Cooling Unit CL3 (optional accessory)
CAUTION
HOW TO USE
