E-
18
Adding refrigerant
The outdoor unit is loaded with sufficient refrigerant for the standard piping.
Thus, refrigerant must be added if the piping is lengthened.
This operation can only be performed by a qualified refrigeration specialist.
For quantity of adding refrigerant, refer to page 19.
1
Check that the stop valve is closed entirely.
2
Charge the refrigerant through the service port of liquid stop valve.
Note
Do not charge the refrigerant through the gas side service port.
3
If you cannot charge the refrigerant according to the upper steps,
following these:
3-1 Open both liquid stop valve and gas stop valve.
3-2 Operate the air conditioner by pressing the K2 key on the outdoor unit
PCB.
3-3 About 30 minutes later, charge the refrigerant through the service port
of gas stop valve.
Note
If necessary, refer to the pressure table classified by outdoor
temperature.
1
Ref.
Gas side stop valve(service port)
Outdoor unit
Indoor unit
Balance
Vacuum pump
Liquid side stop valve(service port)
Important information regulation regarding the
refrigerant used
This product contains fluorinated greenhouse gases covered by the Kyoto
Protocol. Do not vent gases into the atmosphere.
CAUTION
Inform user if system contains
6.6lb(3kg)
or more of fluorinated green-
house gases. In this case, it has to be checked for leakage at least once
every
12 months, according to regulation n°842/2006. This activity has to be
covered by qualified personnel only.
In case situation above (
6.6lb(3kg)
or more of R-410A), installer (or recog-
nised person which has responsability for final check) has to provide a
maintenance book, with all the information recorded according to
REGULATION (EC) N° 842/2006 OF THE EUROPEAN PARLIAMENT AND OF
THE COUNCIL of 17 May 2006 on certain fluorinated greenhouse gases.
Please fill in with indelible ink,
-
the factory refrigerant charge of the product,
-
the additional refrigerant amount charged in the field and
-
+
the total refrigerant charge.
on the refrigerant charge label supplied with the product.
The filled-out label must be adhered in the proximity of the product
charging port (e.g. onto the inside of the stop valve cover).
Refrigerant type
GWP value
R410A
1975
GWP=Global Warming Potential
Indoor unit
Outdoor unit
= (
)
lb
= (
)
lb
+
= (
)
lb
Contains fluorinated greenhouse gases
covered by the Kyoto Protocol.
a
b
c
d
Note
a.
Factory refrigerant charge of the product: see unit name plate
b.
Additional refrigerant amount charged in the field
( Refer to the above information for the quantity of refrigerant
replenishment.)
c.
Total refrigerant charge
d.
Refrigerant cylinder and manifold for charging
Summary of Contents for UH070CAV1
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