49
10. TURN OVER TO CUSTOMER
9.1 Important Information for the Used
Refrigerant
Attention:
Table 9-1
This product has fluorinated gas. This gas MAY NOT be
released into the air.
Refrigerant type: R32; Value of GWP: 675;
GWP=Global Warming Potential
Model
Refrigerant/kg
tonnes CO
2
equivalent
2.85
18kW
1.92
Factory charge
Frequency of Refrigerant Leak Checks
1) For equipment that contains fluorinated greenhouse
gases in quantities of 5 tonnes of CO
2
equivalent or more,
but of less than 50 tonnes of CO
2
equipment, at least
every 12 months, or where a leakage detection system is
installed, at least every 24 months.
2) For equipment that contains fluorinated greenhouse
gases in quantities of 50 tonnes of CO
2
equivalent or
more, but of less than 500 tonnes of CO
2
equipment, at
least every six months, or where a leakage detection
system is installed, at least every 12 months.
3) For equipment that contains fluorinated greenhouse
gases in quantities of 500 tonnes of CO
2
equivalent or
more, at least every three months, or where a leakage
detection system is installed, at least every six months.
4) Non-hermetically sealed equipment charged with
fluorinated greenhouse gases shall only be sold to the
end user where evidence is providing that the installation
is to be carried out by an undertaking certified person.
5) Only a certificated professional is allowed to do
installation, operation and maintenance.
The operation manual of indoor unit and operation
manual of outdoor unit must be turned over to the
customer. Explain the contents of the operation
manual to the customers in detail.
CAUTION
If equipped with a refrigerant leakage sensor for
safety, to be effective, the unit must be
electrically powered at all times after
installation, other than when servicing.
If equipped with electrically powered safety
measures, such as a refrigerant shut-off device,
alarm device, mechanical ventilation and so on,
to be effective, the unit must be electrically
powered at all times after installation, except
when servicing.
Figure 9-1
a
b
c1
c2
d1
d2
d3
e1 f1
e2 f2
e3 f3
a: Outdoor unit
b: Refrigerant shut-off device
c: Branch
d: Indoor unit
e: Remote controller
f: Refrigerant leakage sensor
Room 1
Room 3
Room 2
