Emerson COPELAND SCROLL SZO22 - Manual (Page 17)

11 2008SSD-34 (5/11) 10 2008SSD-34 (5/11)
Single-Compressor Module Installation
Figure 8 Optional Customer-Installed High Temperature Fan Control System
• Compressor requirements: 0.8 to 2 GPM (3.0-755 LPM) flow rate
• Thermal oil bypass valve, standard setting: 200°F (93°C) / 250°F model specific
• Thermal bypass valve operation (valve’s purpose is to provide discharge temperature control)
• Oil flow on valve is A to B when the unit is cold and A to C when the heat rises (see
Figure 9).
Figure 9 Oil Cooling and Thermal Valve
A B
C
Oil Cooler
Return
to Compressor
1st-Stage Separator