Fujitsu ARYG36LMLE User Manual

2. Pipe design
2-1. Important items when using refrigerant (R410A)
• Refrigerant piping material and wall thickness
It is necessary to use seamless copper tubes for refrigerant use. Thickness of tubes are shown in
table below.
Nominal diameter in 1/4 3/8 1/2 5/8 3/4 7/8 1-1/8
Outside diameter mm 6.35 9.52 12.70 15.88 19.05 22.22 28.58
Material
JIS H3300 C1220T-O or equivalent*
1
JIS H3300 C1220T-H
or equivalent*
2
Wall thickness*
3
mm 0.8 1.0 1.2 1.0
*1: Allowable tensile stress ≥ 33 N/mm
2
*2: Allowable tensile stress ≥ 61 N/mm
2
*3: Endurance pressure of the pipes: 4.2 MPa
Select the pipe size in accordance with local rules.
• Lubricant
Refrigerant R410A (Mixed refrigerant)
Lubricant Synthetic oil
• Tools
R410A work requires a number of special tools. Since the tools (with * symbol) for R22 work can-
not be used for R410A, prepare them beforehand.
Tool name Process and application
Pipe cutter Pipe cutting
Refrigerant piping work
Flaring tool* Pipe flaring work
Torque wrench* Flare nut connection
Expander Expansion at pipe connection
Pipe bender Pipe bending work
Nitrogen gas Pipe interior oxidation prevention
Air tightness test
Welder Pipe brazing
Gauge manifold* Vacuum evacuation and
refrigerant charging operation
check
Air tightness test ~ Refrigerant
additional charging
Charging hose*
Vacuum pump (with adapter)* Vacuum drying
Electronic scale for refrigerant
charging
Refrigerant additional charging
Gas leak tester* Gas leakage test
*: For details, refer to the service manual.
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2-1. Important items when using refrigerant (R410A) 2. Pipe design
SYSTEM DESIGN SYSTEM DESIGN

Fujitsu ARYG36LMLE Specifications

General

Type	Air conditioner indoor unit
Multi-split	-
Hose diameter	- mm
Product color	Black, Stainless steel
Dehumidifying capacity	- l/h
Air conditioner functions	Cooling, Dehumidifying, Heating
Refrigerating medium weight	- g
Cooling capacity in watts (nominal)	- W
Operating temperature (cooling) (T-T)	- °C
Current	20 A
AC input voltage	230 V
Current (cooling)	18.5 A
AC input frequency	50 Hz
Design load (cooling)	- kW
Annual energy consumption (cooling)	- kWh
Indoor unit type	Cassette
Indoor unit depth	700 mm
Indoor unit width	1135 mm
Indoor unit height	270 mm
Indoor unit weight	40000 g
Cooling airflow (indoor unit)	1900 m³/h
Indoor unit noise level (high speed)	39 dB
Outdoor unit noise level	- dB