Fujitsu 9319205151-04 Руководство по установке - Страница 5
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Pressure is high and cannot be measured with a conventional
Gauge manifold
(R22) gauge. To prevent erroneous mixing of other refriger-
ants, the diameter of each port has been changed.
It is recommended the gauge with seals -0.1 to 5.3 MPa (-1
to 53 bar) for high pressure. -0.1 to 3.8 MPa (-1 to 38 bar) for
low pressure.
To increase pressure resistance, the hose material and base
Charge hose
size were changed. (R32/R410A)
A conventional vacuum pump can be used by installing a
Vacuum pump
vacuum pump adapter.
(Use of a vacuum pump with a series motor is prohibited.)
Gas leakage detector
Special gas leakage detector for HFC refrigerant R410A.
Copper pipes
It is necessary to use seamless copper pipes and it is desirable that the amount of
residual oil is less than 40 mg/10 m. Do not use copper pipes having a collapsed,
deformed or discolored portion (especially on the interior surface). Otherwise, the
expansion valve or capillary tube may become blocked with contaminants.
As an air conditioner using R32(R410A) incurs pressure higher than when using
conventional refrigerant, it is necessary to choose adequate materials.
Thicknesses of copper pipes used with R32(R410A) are as shown in the table. Never use
copper pipes thinner than that in the table even when it is available on the market.
Thicknesses of Annealed Copper Pipes
Pipe outside diameter [mm (in.)]
6.35 (1/4)
9.52 (3/8)
12.70 (1/2)
15.88 (5/8)
19.05 (3/4)
2.2. Accessories
For installation purposes, be sure to use the parts supplied by the manufacturer or
other prescribed parts. The use of non-prescribed parts can cause serious accidents
such as the unit falling, water leakage, electric shock, or fi re.
• The following installation parts are supplied. Use them as required.
• Keep the Installation Manual in a safe place and do not discard any other accessories
until the installation work has been completed.
Name and shape
Installation Manual
Drain pipe
3. GENERAL SPECIFICATION
3.1. Selecting circuit breaker and wiring
Be sure to install a breaker with specifi ed capacity.
Before the electrical working, confi rm electrical standards and regulations in each
country, region, or installing place. Then select appropriate cables and breakers that
comply with them.
Voltage rating
Operating range
Cable
Conductor size [mm²]
09 type
Power Supply Cable
12 type
Connection Cable
09,12 type
*1
Selected sample: Select the correct cable type and size according to the country or
region's regulations.
Max. wire length: Set a length so that the voltage drop is less than 2%. Increase the wire
diameter when the wire length is long.
Contents of change
Thickness [mm]
0.80
0.80
0.80
1.00
1.20
WARNING
Q'ty
Description
This manual
1
For outdoor unit drain piping work
1
(May not be supplied, depending on
the model.)
CAUTION
1 Φ 230 V (50 Hz)
198 to 264 V
*1
Type
Remarks
2.5
Type60245 IEC57
2 wire + Ground
1 Φ 230 V
4.0
Type60245 IEC66
3 wire + Ground
1.5
Type60245 IEC57
1 Φ 230 V
Breaker capacity
[A]
09 type
16
12 type
20
• Selected sample: Select the correct cable type and size according to the country or
region's regulations.
• Select the breaker that enough load current can pass through it.
• Before starting work check that power is not being supplied to all poles of the indoor
unit and outdoor unit.
• Install all electrical works in accordance to standard.
• Install the disconnect device with a contact gap of at least 3mm in all poles nearby
the units. (Both indoor unit and outdoor unit)
• Wiring size must comply with the applicable local and national code.
3.2. Selecting the pipe material
Do not use existing pipes.
Use pipes that have clean external and internal sides without any contamination which
may cause trouble during use, such as sulfur, oxide, dust, cutting waste, oil, or water.
It is necessary to use seamless copper pipes.
Material: Phosphor deoxidized seamless copper pipes.
It is desirable that the amount of residual oil is less than 40 mg/10 m.
Do not use copper pipes that have a collapsed, deformed, or discolored portion
(especially on the interior surface). Otherwise, the expansion valve or capillary tube
may become blocked with contaminants.
Improper pipe selection will degrade performance. As an air conditioner using
R32(R410A) incurs pressure higher than when using conventional refrigerant, it is
necessary to choose adequate materials.
• Thicknesses of copper pipes used with R32(R410A) are as shown in the table.
• Never use copper pipes thinner than those indicated in the table even if they are
available on the market.
Thicknesses of Annealed Copper Pipes
Pipe outside diameter [mm (in.)]
6.35 (1/4)
9.52 (3/8)
12.70 (1/2)
15.88 (5/8)
19.05 (3/4)
3.3. Protection of pipes
• Protect the pipes to prevent the entry of moisture and dust.
• Especially, pay attention when passing the pipes through a hole or connecting the
end of a pipe to the outdoor unit.
Location
Working period
1 month or more
Outdoor
Less than 1 month
Indoor
-
3.4. Refrigerant pipe size and allowable piping length
Keep the piping length between the indoor unit and outdoor unit within the allowable
tolerance.
The maximum lengths of this product are shown in the table. If the units are further
apart than this, correct operation cannot be guaranteed.
Pipe diameter <Liquid/Gas> [mm (in.)]
Max. piping length (L)
[m]
Min. piping length (L)
[m]
Max. height difference (H)
<Indoor unit to outdoor unit>
[m]
View (Example)
Earth leakage breaker
[mA]
30
CAUTION
Thickness [mm]
0.80
0.80
0.80
1.00
1.20
Protection method
Pinch pipes
Pinch or tape pipes
Pinch or tape pipes
CAUTION
6.35 (1/4) / 9.52 (3/8)
15
5
10
L
H
En-4