Specifications - Toshiba RAV-GE6001A8P-T Installation Manual

Are there scratches or dents on the existing pipes?
NO
Is it possible to operate the existing air conditioner?
YES
• After the existing air conditioner is operated in
cooling mode for approx. 30 minutes or longer,*
recover the refrigerant.
• Refer to "13 Refrigerant recovery".
• For cleaning the pipes and recovering oil
• Refrigerant recovery: Pump down method
• Remove the existing air conditioner from the piping
and carry out ushing (nitrogen pressure 0.5 MPa)
to remove any remains inside of the pipe.
Was largely discolored oil or a large quantity of
remains discharged? (When the oil
deteriorates, the color of the oil changes to a
muddy or black color.)
NO
Connect the indoor / outdoor units to the existing pipe.
• Use a are nut attached to the main unit for the
indoor / outdoor units. (Do not use the are nut of the
existing pipe.)
• Re-machine the are machining size to size for
R32.
• (Airtight test), Vacuum dry, Refrigerant charge, Gas
leak check
Test run
39-EN
1121901101.indd 21
YES
Existing pipes: Cannot be used.
• Use new pipes.
NO
Nitrogen gas pressure 0.5 MPa
(If there is discharge of remains, it is judged that a
large quantity of remains are present.)
YES
Clean the pipes or use new pipes.
Piping necessary to change the flare nut / machining
size due to pipe compression
1) Flare nut width: H
(mm)
Copper
pipe outer Ø6.4 Ø9.5 Ø12.7 Ø15.9 Ø19.1
diameter
For R32,
17 22 26 29 36
R410A
Same
H
Sam e as
For R22 24 27 as
a bo ve
above
2) Flare machining size: A
(mm)
Copper
pipe outer Ø6.4 Ø9.5 Ø12.7 Ø15.9 Ø19.1
A
diameter
For R32,
9.1 13.2 16.6 19.7 24.0
R410A
For R22 9.0 13.0 16.2 19.4 23.3
Becomes a little larger for R32/R410A
Do not apply refrigerator oil to the are surface.
17

Specifications

Model
RAV-GE6001A8P-T
Warnings on refrigerant leakage
Check of concentration limit
The room in which the air conditioner is to be installed requires a design that in the event of refrigerant
gas leaking out, its concentration will not exceed a set limit.
The refrigerant R32 which is used in the air conditioner is safe, without the toxicity or combustibility of ammonia,
and is not restricted by laws to be imposed which protect the ozone layer. However, since it contains more than
air, it poses the risk of suffocation if its concentration should rise excessively. Suffocation from leakage of R32
is almost non-existent.
If a conditioner system is to be installed in a small room, select a suitable model and installation procedure so that
if the refrigerant accidentally leaks out, its concentration does not reach the limit (and in the event of an emergency,
measures can be made before injury can occur).
In a room where the concentration may exceed the limit, create an opening with adjacent rooms, or install
mechanical ventilation combined with a gas leak detection device.
The concentration is as given below.
Total amount of refrigerant (kg)
Min. volume of the indoor unit installed room (m
Refrigerant Concentration Limit shall be in accordance with local regulations.
– 20 –
Sound power level (dB)
Weight (kg)
Cooling
80 83
Concentration limit (kg/m 3 )
3
)
EN
40-EN
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