Thermal Care NQ Series, Руководство по установке и эксплуатации, Страница: 37 / 76

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Figure 36 - Double Discharge Riser
Note: Discharge line sizing shown in Table 7 and Table 8 are listed per circuit and applies where leaving water
temperature (LWT) is 40°F or higher. For applications where LWT is below 40°F, size lines using the ASHRAE
Refrigeration Handbook or other suitable design guide.
Table 7 - Horizontal or Downflow Discharge Line Sizes for R410A (inches OD)
Circuit
Tons
Total Equivalent Length (Ft)
25 50 75 100 125 150 175 200 225 250 275 300
5 ⅝ ⅝ ⅝ ⅝ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ⅞
7½ ⅞ ⅞ ⅞ ⅞ ⅞ ⅞ ⅞ ⅞ ⅞ ⅞ ⅞ ⅞
10 ⅞ ⅞ ⅞ ⅞ ⅞ ⅞ ⅞ 1⅛ 1⅛ 1⅛ 1⅛ 1⅛
15 ⅞ ⅞ 1⅛ 1⅛ 1⅛ 1⅛ 1⅛ 1⅛ 1⅛ 1⅛ 1⅜ 1⅜
20 ⅞ 1⅛ 1⅛ 1⅜ 1⅜ 1⅜ 1⅜ 1⅜ 1⅜ 1⅜ 1⅝ 1⅝
25 1⅛ 1⅛ 1⅛ 1⅛ 1⅜ 1⅜ 1⅜ 1⅜ 1⅜ 1⅜ 1⅝ 1⅝
30 1⅛ 1⅛ 1⅛ 1⅜ 1⅜ 1⅜ 1⅜ 1⅜ 1⅜ 1⅝ 1⅝ 1⅝
35 1⅜ 1⅜ 1⅜ 1⅝ 1⅝ 1⅝ 1⅝ 2⅛ 2⅛ 2⅛ 2⅛ 2⅛
40 1⅝ 1⅝ 1⅝ 1⅝ 1⅝ 1⅝ 2⅛ 2⅛ 2⅛ 2⅛ 2⅛ 2⅛
Table 8 - Upflow Discharge Line Sizes for R410A (inches OD)
Circuit
Tons
Total Equivalent Length (Ft)
25 50 75 100 125 150 175 200 225 250 275 300
5
A - ⅜ A - ⅜ A - ⅜ A - ⅜ A - ⅜ A - ⅜ A - ⅜ A - ⅜ A - ⅜ A - ⅜ A - ⅜ A - ⅜
B - ½ B - ½ B - ½ B - ½ B -⅝ B -⅝ B -⅝ B -⅝ B -⅝ B -⅝ B -⅝ B - ¾
7½
A - ⅜ A - ⅜ A - ⅜ A - ⅜ A - ⅜ A - ⅜ A - ⅜ A - ⅜ A - ⅜ A - ⅜ A - ⅜ A - ⅜
B - ¾ B - ¾ B - ¾ B - ¾ B - ¾ B - ¾ B - ¾ B - ¾ B - ¾ B - ¾ B - ¾ B - ¾
10
A - ⅜ A - ⅜ A - ⅜ A - ⅜ A - ⅜ A - ⅜ A - ⅜ A - ⅜ A - ⅜ A - ⅜ A - ⅜ A - ⅜
B - ¾ B - ¾ B - ¾ B - ¾ B - ¾ B - ¾ B - ¾ B - ⅞ B - ⅞ B - ⅞ B - ⅞ B - ⅞
15
A - ⅜ A - ⅜ A - ⅜ A - ⅜ A - ⅜ A - ⅜ A - ⅜ A - ⅜ A - ⅜ A - ⅜ A - ½ A - ½
B - ¾ B - ¾ B - ⅞ B - ⅞ B - ⅞ B - ⅞ B - ⅞ B - ⅞ B - ⅞ B - ⅞ B - 1⅛ B - 1⅛
20
A - ⅜ A - ⅜ A - ⅜ A - ½ A - ½ A - ½ A - ½ A - ½ A - ½ A - ½ A - ⅝ A - ⅝
B - ¾ B - ⅞ B - ⅞ B - 1⅛ B - 1⅛ B - 1⅛ B - 1⅛ B - 1⅛ B - 1⅛ B - 1⅛ B - 1⅜ B - 1⅜
25
A - ⅜ A - ⅜ A - ⅜ A - ½ A - ½ A - ½ A - ½ A - ½ A - ½ A - ½ A - ⅝ A - ⅝
B - ⅞ B - ⅞ B - ⅞ B - 1⅛ B - 1⅛ B - 1⅛ B - 1⅛ B - 1⅛ B - 1⅛ B - 1⅛ B - 1⅜ B - 1⅜
30
A - ½ A - ½ A - ½ A - ¾ A - ¾ A - ¾ A - ¾ A - ¾ A - ¾ A - ¾ A - ¾ A - ¾
B - ⅞ B - ⅞ B - ⅞ B - 1⅛ B - 1⅛ B - 1⅛ B - 1⅛ B - 1⅛ B - 1⅛ B - 1⅜ B - 1⅜ B - 1⅜
35
A - ¾ A - ¾ A - ¾ A - ¾ A - ¾ A - ¾ A - ¾ A - ¾ A - ¾ A - ¾ A - ¾ A - ¾
B - 1⅛ B - 1⅛ B - 1⅛ B - 1⅜ B - 1⅜ B - 1⅜ B - 1⅜ B - 1⅝ B - 1⅝ B - 1⅝ B - 1⅝ B - 1⅝
40
A - ¾ A - ¾ A - ¾ A - ¾ A - ¾ A - ¾ A - ¾ A - ¾ A - ¾ A - ¾ A - ¾ A - ¾
B - 1⅜ B - 1⅜ B - 1⅜ B - 1⅜ B - 1⅜ B - 1⅜ B - 1⅝ B - 1⅝ B - 1⅝ B - 1⅝ B - 1⅝ B - 1⅝
A B
REDUCING
TEE
FROM
CHILLER
PITCH TO
CONDENSER
45 DEGREE
STREET ELBOWS
90 DEGREE
STREET ELBOWS