Table of Contents
Advertisement
Installation Procedure
1.
AS25TBMHRA/1U25YAMFRA
FOR
AS35TBMHRA/1U35MAMFRA
AS50TCMHRA/1U50KAMFRA
FOR
AS71TEMHRA/1U71KAMFRA
2.
Connection of pipes
When bending the pipe, be careful not to crush it. To prevent breaking of the pipe, avoid sharp bends.
Bend the pipe with a radius of curvature of 40 mm or over.
Connecting the pipe of gas side rst makes working easier.
The connection pipe is specialized for R32.
Half union
Spanner
Be careful that matters, such sand , water, , etc. shall not enter the pipe.
CAUTION
The standard pipe length is C m. If the pipe has to be lengthened, the refrigerant should be charged,
according to D g/m. But the charge of refrigerant must be conducted by profes sional air conditioner
engineer. Before adding additional refrigerant, perform air purging from the refrigerant pipes and
indoor unit using a vacuum pump,then charge additional refrigerant.
B
A
Outdoor unit
Outdoor unit
B
A
Flare nut
Torque wrench
Outdoor unit
Indoor unit
A
Max.Elevation: Amax
In case the elevation A is more
than 5m, oil trap shoud be
installed every 5~7
Max. Length: Bmax
Oil trap
M i n. Length: B min
In case the pipe length B is
Indoor unit
more than Cm, the refrigerant
should be charged, according
to D g/m.
Forced fastening without careful centering may
damage the threads and cause a leakage of gas.
Pipe Diameter( )
Liquid side6.35mm(1/4")
Liquid/Gas side9.52mm(3/8")
Gas side 12.7mm(1/2")
Gas side 15.88mm(5/8")
Outdoor Unit
1U25YAMFRA
B
1U35MAMFRA
Indoor unit
1U50KAMFRA
1U71KAMFRA
21
Fastening torque
18N.m
42 N.m
55N.m
60 N.m
Bmin
C
Amax Bmax
10
15
3
5
15
3
5
D
20
20
Advertisement
Table of Contents
