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1)
The products shall be carefully handled during loading and unloading.
2)
Do not give impact to the indoor and outdoor units, or otherwise product damage may result.
3)
Be sure to read the safety cautions before conducting any work.
4)
Dry powder extinguishers or other suitable fire extinguishing apparatus
5)
Untrained personnel cannot be engaged in loading and unloading of air conditioners with flammable refrigerants.
6)
Smoking and open fire are not allowed around the air conditioner.
Transporting Management Requirements
1)
The maximum transporting volume of finished products shall be determined as per local regulations.
2)
The vehicles used for transporting shall be operated as per local laws and regulations.
3)
Dedicated after-sales vehicles shall be used for maintenance transportation, and exposed transporting of
refrigerant cylinders and the products to be maintained is not allowed.
4)
A rain cover or similar shield material of the transporting vehicles should have certain flame retardancy.
5)
Leakage warning device of flammable refrigerant shall be installed inside the closed-type compartment.
6)
Anti-static device shall be equipped inside the compartment of transporting vehicles.
7)
Dry powder extinguishers or other suitable fire extinguishing apparatus shall be equipped inside the driver 's cab.
8)
The transporting vehicles shall run at a constant speed, and heavy acceleration/deceleration shall be avoided.
High-temperature area shall be avoided during transporting, and necessary radiating measures shall be taken
9)
in case the temperature inside the compartment is too high.
Storage Requirements
1)
The storage package of equipment used shall be such that no leakage of refrigerant will be caused due to
mechanical damage of the equipment inside.
2)
The maximum quantity of the equipment allowed to be stored together shall be determined as per local
regulations.
The area of the room in which R32 refrigerant air conditioner is installed cannot be less than the minimum
area specified in the table below, to avoid potential safety problems due to out-of-limit of refrigerant
concentration inside the room caused by leakage of refrigerant from refrigeration system of the indoor unit.
Once the horn mouth of connecting lines is fastened, it may not be used again (the air tightness may be
affected).
A whole connector wire shall be used for indoor/outdoor unit as required in the operation specification of
installation process and operation instructions.
It should be stated in the manual that an entire connection pile should be used.
It should be stated in the manual that it is recommended to place the joint of the connection pipes at the outdoor side,
if can't be at the outdoor side, the side that cannot be reused (not detachable) must be installed at the indoor side.
When the connection pipe is reused, the horn mouth needs to be reinstalled.
R32 Air Conditioner Adding Extra Gas With Longer Pipe Calculator
Diameter of the liquid
∅6/∅6.35
connecting pipe (mm)
∅9/∅9.52
Notes: The most gas amount should be: initial gas amount + extra gas amount <
permitted gas by safety standard.
Minimum Room Area
LFL
Type
kg/m3
R32
0.306
The maximum refrigerant charge amount (M)
Indoor unit
AS26PBDHRA
AS35PBDHRA
AS53PDDHRA
AS71PDDHRA
3
Loading and Unloading/Transporting Management/Storage Requirements
Installation Instructions
Extra gas amount per meter
after standard length (g)
hv
m
4
0.6
0.68
1.0
1.14
1.8
2.05
2.2
2.50
Outdoor unit
1U26MADFRA
1U35MADFRA
1U53WADFRA
1U71WADFRA
WARNING!
20g
50g
Total Mass Charged/kg
Minimum Room Area/m
7
10
15
0.90
1.08
1.32
1.51
2.20
1.80
2.71
3.24
3.31
3.96
4.85
M kg
1
1.04
1.22
1.3
h s
u o
d l
e b
q e
i u
p p
d e
t a
h t
l e
2
20
30
1.53
1.87
2.54
3.12
4.58
5.61
5.60
6.86
a o
i d
g n
a
e r
. a
50
2.41
4.02
7.24
8.85
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