the specified color of the protector coating is rose in the ARI (ARI color code:
PMS 507).
●
The charge port of the refrigerant cylinder is 1/2 UNF thread, that is 20 threads
per inch, subjected to the diameter of the charge hose.
●
The refrigerant cylinder comes with the refrigerant designation (R410A) and
NOTE
5 3 Tubing for pipeline
Because of the installation position and the pipeline length of the is differ,
please select proper pipe and the installation position where can keep the pipe as
short as possible. During
collocating the pipe, please pay attention to the
following items:
■
Maximal distance of pipeline Table 6
.
Cooling capacity(k
)
Btu
/
h
Max length(m)
Max height(m)
Max elbow(pcs)
24 60
~
18
20
10
8
5
8
15
The use of oil loops
When the height difference between indoor and outdoor units is relatively large,
oil
loops should be used to facilitate for oil return. Please refer to the following
typical mounting
methods in Fig 22
1) Height difference of indoor and outdoor unit is over 5 meters:
■
NOTE:
The above parameters fully consider the loss of refrigeration output and
oil return while ensuring 80% refrigeration output.
Gas pipe
Liquid pipe
Oil loop
Outdoor unit
Indoor unit
>5m
Fig 22
NOTE:
Cooling only unit does not adopt oil loops.
21
!