HDWA-SVX002C-EN
23
Pressure relief valve discharge capacities varies with shell
diameter and length and also compressor displacement.
Discharge venting capacity should be calculated as
required by ASHRAE Standard 15-94. Do NOT adjust relief
valve setting in the field.
Table 8. Pressure relief valve data
Valve Location
Discharge Setpoint Rated Capacity Field Connection Pipe Size Factory Shell Side Connection
psi
kPa lb air/min.
kg air/min.
NPT mm in. mm
Evaporator—Compressor
Low Side Pipe (Suction)
200 1379.0 78.8 35.7 1-1/4 31.8 1-5/8 - 12 41.3 – 304.8
Condenser 300 2068.4 49.2 22.3 3/4 19.1 7/8 - 14 22.2 – 355.6
Installation: Mechanical
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