Connection Pipe Requirements
NOTICE
The maximum distance of the connection piping in both height and total length is provided in the
table below. Do not install these units in locations that exceed these specifi cations.
Heat Pump
M4TVS1709A11NA
M4TVS1712A11NA M4TVS1718A11NA
M4TVS1724A11NA
M4MVW1709A1N0A
M4MVW1712A1N0A M4MVW1718A1N0A
M4MVW1724A1N0A
Refrigerant Charge Oz. (kg)
26.46 (0.75) 34.22 (0.97) 41.62 (1.18) 51.15 (1.45)
Standard Length ft (m)
24.6 (7.5)
Additional Refrigerant Charge (oz/ft)
For Piping Beyond Standard Length
0.22 (20)
Outer
Diameter
Liquid Pipe in. (mm) Φ 1/4 (6.35)
Gas Pipe in. (mm) Φ 3/8 (9.5) Φ 1/2 (12.7)
Max Distance
Height ft. (m) 16.4 (5)
Length ft. (m) 49.21 (15)
Minimum Piping Length ft. (m)
9.84 (3) 11.48 (3.5) 16.4 (5) 16.4 (5)
Compressor Oil Used
VG74 ALF68SZ FV68S
Notes:
1. The connection pipes should be insulated with proper water-proof insulating material
2. Use type ACR copper piping.
3. Shorter connecting pipe lengths result in greater thermal effi ciency, so it is preferable to reduce
connecting pipe lengths where possible.
4. Refer to the oil trap instructions for specifi c requirements when there is height diff erence
between the indoor and outdoor unit greater than 20 ft. (6m).
Do not take in the outet air
discharged by other units directly.
15-3/4 in. or m
o
r
e
(
4
00 mm
o
r
mo
re)
39-3/8 in. or mor
e
(
1
000 m
m
o
r more)
17 Series Mini-Split
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