31
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)
Total Equivalent Length (Ft)
Table 8 - Upflow Discharge Line Sizes for R410A (inches OD)
Total Equivalent Length (Ft)
A
B
REDUCING
TEE
FROM
CHILLER
PITCH TO
CONDENSER
45 DEGREE
STREET ELBOWS
90 DEGREE
STREET ELBOWS
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