Daikin Siesta ARXN25N5V1B9 Manuel D'installation page 10

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Outdoor Unit Installation
6.
Refilling the refrigerant.
Check the type of refrigerant to be used on the machine nameplate.
Precautions when adding R410A
Fill from the liquid pipe in liquid form.
It is a mixed refrigerant, so adding it in gas form may cause the refrigerant composition to change, preventing normal operation.
1) Before filling, check whether the cylinder has a siphon attached or not. (It should have something like "liquid filling siphon
attached" displayed on it.)
Filling a cylinder with an attached siphon
Stand the cylinder upright when
filling.
There is a siphon pipe inside, so the
cylinder need not be upside-down to
fill with liquid.
• Be sure to use the R410A tools to ensure pressure and to prevent foreign objects entering.
Important information regarding the refrigerant used
This product contains fluorinated greenhouse gases
Do not vent gases into the atmosphere.
R410A
Refrigerant type:
(1)
2087 ,5
GWP
value:
Please fill in with indelible ink,
the factory refrigerant charge of the product,
1
the additional refrigerant amount charged in the field and
2
the total refrigerant charge
1 + 2
on the refrigerant charge label supplied with the product.
NOTE
National implementation of EU regulation on certain fluorinated greenhouse gases may require to provide the appropriate official
national language on the unit. Therefore an additional multilingual fluorinated greenhouse gases label is supplied with the unit.
Sticking instructions are illustrated on the backside of that label.
7.
Refrigerant piping work.
7-1 Cautions on pipe handling.
1) Protect the open end of the pipe against dust and moisture.
2) All pipe bends should be as gentle as possible. Use a pipe bender
for bending.
7-2 Selection of copper and heat insulation materials.
When using commercial copper pipes and fittings, observe the following:
1) Insulation material: Polyethylene foam
Heat transfer rate: 0.041 to 0.052W/mK (0.035 to 0.045kcal/(mh •°C))
Refrigerant gas pipe's surface temperature reaches 110°C max.
Choose heat insulation materials that will withstand this temperature.
2) Be sure to insulate both the gas and liquid piping and to provide insulation
dimensions as below.
Gas side
O.D. 9.5mm
Minimum bend radius
30mm or more
Thickness 0.8mm (C1220T-O)
3) Use separate thermal insulation for gas and liquid refrigerant pipes.
7
(1)
GWP = global warming potential
Liquid side
thermal insulation
O.D. 6.4mm
Filling other cylinders
Turn the cylinder upside-down
when filling.
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).
6
5
Rain
Gas pipe
Liquid pipe
thermal insulation
I.D. 12-15mm
I.D. 8-10mm
Thickness 10mm Min.
1 factory refrigerant charge of the
product:
see unit name plate
2 additional refrigerant amount
charged in the field
4
3 total refrigerant charge
1
4 Contains fluorinated greenhouse
gases
2
5 outdoor unit
3
6 refrigerant cylinder and manifold
for charging
Wall
Be sure to
place a cap.
If no flare cap is
available, cover
the flare mouth
with tape to keep
dirt or water out.
Inter-unit wiring
Gas pipe
Liquid pipe
Gas pipe
Liquid pipe
insulation
insulation
Finishing tape
Drain hose
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Siesta arxn35n5v1b9

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