PDFWAC 51-11C-40333

Section C403.3.3—Hot gas bypass.

C403.3.3 Hot gas bypass limitation. Cooling systems shall not use hot gas bypass or other evaporator pressure control systems unless the system is designed with multiple steps of unloading or continuous capacity modulation. The capacity of the hot gas bypass shall be limited as indicated in Table C403.3.3, as limited by Section C403.5.1.
Table C403.3.3
Maximum Hot Gas Bypass Capacity
Rated Capacity
Maximum Hot Gas Bypass Capacity (% of total capacity)
≤ 240,000 Btu/h
50
˃ 240,000 Btu/h
25
For SI:
1 British thermal unit per hour = 0.2931 W.
[Statutory Authority: RCW 19.27A.025, 19.27A.045 and chapter 19.27 RCW. WSR 20-21-080, § 51-11C-40333, filed 10/19/20, effective 2/1/21. Statutory Authority: RCW 19.27A.020, 19.27A.025, 19.27A.160 and chapter 19.27 RCW. WSR 19-24-040, § 51-11C-40333, filed 11/26/19, effective 7/1/20. Statutory Authority: RCW 19.27A.025, 19.27A.160, and 19.27.074. WSR 16-03-072, § 51-11C-40333, filed 1/19/16, effective 7/1/16.]