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1-11-1-1-8
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Connecting Tubing Between Indoor and Outdoor Units
Indoor Unit Tubing Connection Unit : mm
Indoor unit type S-3650PU3E S-6071PU3E
ø12.7Gas tube ø15.88
Liquid tube ø6.35 ø9.52
(1) Tightly connect the indoor-side refrigerant tubing extended from the wall with the outdoor-side tubing.
(2) To fasten the flare nuts, apply specified torque.
When removing the flare nuts from the tubing connections, or when tightening them after connecting the tubing,
be sure to use two spanners. When tightening the flare nuts, use a torque wrench.
If the flare nuts are over-tightened, the flare may be damaged, which could result in refrigerant leakage and
cause injury or asphyxiation to room occupants.
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Outdoor unit
Torque wrench
Spanner
Indoor unit
1) When using with single connection
• Outdoor PZ3 series (Type 60)
• Outdoor PZ3 series (Type 71)
Liquid tube (ø6.35)
Connect the gas socket tube A (ø12.7 - ø15.88)
to the gas tubing side indoor unit
Connect the liquid socket tube B (ø6.35 - ø9.52)
to the liquid tubing side indoor unit
Gas tube (ø12.7)
Liquid tube (ø6.35)
Gas tube (ø15.88)
Connect the liquid socket tube B (ø6.35 - ø9.52)
to the liquid tubing side indoor unit
Different-diameter-tube joint for the indoor unit tubing connection part is supplied with S-6071PU3E.
How to use different-diameter-tube joint (supplied)
The size of parenthesis indicates the connection tube diameter when using the different-diameter-tube joint.
SM830283-00_欧州向け R32シングル36-71形TD&SM.indb 8 20/01/30 10:25:06
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