20
Installation and Maintenance
Service Manual
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8.1.3 Piping Connection
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Note:
ķ
Use water-proof insulating pipe.
ĸ
Wall thickness of pipe: 0.5-1.0 mm;bearing pressure: 3.0MPa
Ĺ
The longer the connection pipe is, the more cooling and heating capacity will decrease.
＞
19 2/3
＞
39 3/8
＞
78 3/4
＞
19 2/3
＞
19 2/3
＞
19 2/3
＞
78 3/4
unit:inch
M odel
Connecting Pipe ( inch)
M ax. Pipe lengt h( ft
)
M ax. Height D if f erence betw een
I ndoor Un it and Outdoor Un it ( ft )
L iqu id
Gas
MULTI30HP230V1CO
Ф 1/4
3/8
3/8
3/8
1/4
1/4
Φ
229.6
MULTI36HP230V1CO
Ф
Ф
246.1
246.1
MULTI42HP230V1CO
Ф
Ф
When the outdoor unit is above maximum
height difference between indoor and
outdoor units is up to 49.2ft; When the indoor
unit is above,maximum height difference
between indoor and outdoor units is up to
49.2ft.
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