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Caution Before Connecting Tubes Tightly
Cautions During Brazing
(1) Apply a sealing cap or water-proof tape to prevent dust or water from entering the tubes before they are used.
(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.
(2) Be sure to apply refrigerant lubricant to the matching surfaces
of the flare and union before connecting them together.
This is effective for reducing gas leaks.
(3) For proper connection, align the union tube and flare tube
straight with each other, then screw on the flare nut lightly
at first to obtain a smooth match.
Replace air inside the tube with nitrogen gas to prevent copper oxide film from forming during the brazing
process. (Oxygen, carbon dioxide and Freon are not acceptable.)
Do not allow the tubing to get too hot during brazing.
The nitrogen gas inside the tubing may overheat, causing refrigerant system valves to become damaged.
Therefore allow the tubing to cool when brazing.
Use a reducing valve for the nitrogen cylinder.
Do not use agents intended to prevent the formation of oxide film.
These agents adversely affect the refrigerant and refrigerant oil, and may cause damage or malfunctions.
Adjust the shape of the liquid tube using a tube bender at the
installation site and connect it to the liquid tubing side valve
using a flare.
When removing the flare nuts from the tubing connections,
or when tightening them after connecting the tubing, be sure
to use 2 adjustable wrenches or spanners.
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.
When removing or tightening the gas tube flare nut, use 2
adjustable wrenches together: one at the gas tube flare nut,
and the other at part A.
Apply refrigerant lubricant.
Flare nut
Union
Connecting Tubing Between Indoor and Outdoor Units
Outdoor unit
Torque wrench
Spanner
Indoor unit
A
A
SM830211-07̲PAC-i.indb 308
SM830211-07̲PAC-i.indb 308
2013/09/17 22:48:02
2013/09/17 22:48:02
Содержание U-100PEY1E5
Страница 536: ... MEMO 1 526 ...
Страница 540: ... MEMO 2 4 ...
Страница 543: ...3 3 3 3 1 Indoor Units 4 Way Cassette 60 60 Type S 36PY1E5 S 45PY1E5 S 50PY1E5 Electric Wiring Diagram 䡵 ...
Страница 547: ...3 7 3 3 1 Indoor Units Wall Mounted Type S 36PK1E5 S 45PK1E5 S 50PK1E5 S 60PK1E5 S 71PK1E5 Electric Wiring Diagram 䡵 ...
Страница 549: ...3 9 3 3 1 Indoor Units Ducted Type S 36PN1E5 S 45PN1E5 S 50PN1E5 Electric Wiring Diagram ...
Страница 550: ...3 10 3 3 1 Indoor Units Ducted Type S 60PN1E5 S 71PN1E5 S 100PN1E5 S 125PN1E5 S 140PN1E5 Electric Wiring Diagram ...
Страница 551: ...3 11 3 3 2 Outdoor Units Single phase U 50PE1E5 ...
Страница 552: ...3 12 3 3 2 Outdoor Units Single phase U 50PE1E5 ...
Страница 553: ...3 13 3 3 2 Outdoor Units Single phase U 60PE1E5 U 71PE1E5 䡵 ...
Страница 554: ...3 14 3 3 2 Outdoor Units Single phase U 100PE1E5 U 125PE1E5 U 140PE1E5 䡵 ...
Страница 555: ...3 15 3 3 2 Outdoor Units Single phase U 60PEY1E5 U 71PEY1E5 ...
Страница 556: ...3 16 3 3 2 Outdoor Units Single phase U 60PEY1E5 U 71PEY1E5 ...
Страница 558: ...3 18 3 3 2 Outdoor Units 3 phase U 71PE1E8 ...
Страница 559: ...3 19 3 3 2 Outdoor Units 3 phase U 100PEY1E8 U 125PEY1E8 ...
Страница 560: ...3 20 3 3 2 Outdoor Units 3 phase U 100PE1E8 U 125PE1E8 U 140PE1E8 U 140PEY1E8 ...
Страница 594: ...4 34 4 HIC PCB A746895 U 60PE1E5 U 71PE1E5 CN VDC U P V W N CN VDC 4WAY Valve CN 20S ...
Страница 595: ...4 35 4 HIC PCB continued A746846 U 100PE1E5 CN VDC U V W CN VDC 4WAY Valve CN 20S P NU ...
Страница 596: ...4 36 4 HIC PCB continued A746847 U 125PE1E5 U 140PE1E5 CN VDC U V W CN VDC 4WAY Valve CN 20S P NU ...
Страница 597: ...4 37 4 HIC PCB A746846 U 100PEY1E5 CN VDC U V W CN VDC 4WAY Valve CN 20S P NU ...
Страница 598: ...4 38 4 HIC PCB continued A746847 U 125PEY1E5 CN VDC U V W CN VDC 4WAY Valve CN 20S P NU ...
Страница 602: ...4 42 4 HIC PCB A747248 U 100PEY1E8 U 125PEY1E8 CN VDC U V W CN VDC 4WAY Valve CN 20S P NU ...
Страница 738: ... MEMO 8 34 ...
Страница 739: ...201309 ...