3.
Use: For indoor unit (Capacity after distribution joint is 76,400 BTU/h (22.4 kW) or less.)
Example: | Gas tubing |
| Liquid tubing |
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| B |
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| 2- |
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| B |
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| C | |
A | B |
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| 53 | D | C |
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Insulation | Distribution | B | A | /64 | Insulation | Distribution | C | ||
Joint |
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| Joint |
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| D |
C | E |
Table 1-21 Size of connection point on each part (Shown are inside diameters of tubing)
Size | Part A | Part B | Part C | Part D | Part E | |
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in. (mm) | ø3/4" | ø5/8" | ø1/2" | ø3/8" | ø1/4" | |
(ø19.05) | (ø15.88) | (ø12.7) | (ø9.52) | (ø6.35) | ||
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D E | 2- | |
53/64 | ||
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Unit: in.
4.
Use: For indoor unit (Capacity after distribution joint is greater than 76,400 BTU/h (22.4 kW) and no more than
Example: |
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| 232,000 BTU/h (68.0 kW).) |
Gas tubing |
| Liquid tubing | ||
|
|
D C B | A | B C D EF |
A |
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G F E
E
Distribution | A |
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Joint |
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| B |
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| C |
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| D | Reducing |
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| |
Insulation | E | Joints |
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F |
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E
Distribution
Joint
F
G
H
Insulation
F GH | |
| /64 |
Reducing
Joints
Table
Unit: in.
Size | Part A | Part B | Part C | Part D | Part E | Part F | Part G | Part H | |
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in. (mm) | ø1" | ø7/8" | ø3/4" | ø5/8" | ø1/2" | ø3/8" | ø1/4" | ||
(ø28.58) | (ø25.4) | (ø22.22) | (ø19.05) | (ø15.88) | (ø12.7) | (ø9.52) | (ø6.35) | ||
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5.
Use: For indoor unit (Capacity after distribution joint is greater than 232,000 BTU/h (68.0 kW) and no more than
Example: |
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| 460,700 BTU/h (135.0 kW).) |
Gas tubing |
| Liquid tubing | ||
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| |||
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| A | ||
| B | B | |
A | C D | ||
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| Distribution | B | |
D C | Joint |
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F
G G
G
Distribution
Joint
F
H
| C |
| |
| D |
| |
| E | Insulation | |
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| F | Reducing | |
Insulation | G | ||
Joints | |||
| |||
| H |
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H
I
J
Reducing
Joints
Unit: in.
Table
Size | Part A | Part B | Part C | Part D | Part E | Part F | Part G | Part H | Part I | Part J | |
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in. (mm) | ø1" | ø7/8" | ø3/4" | ø5/8" | ø1/2" | ø3/8" | ø1/4" | ||||
(ø38.1) | (ø31.75) | (ø28.58) | (ø25.4) | (ø22.22) | (ø19.05) | (ø15.88) | (ø12.7) | (ø9.52) | (ø6.35) | ||
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16