Installation |
Figure 8 Optional Customer-Installed High Temperature Fan Control System
Power Supply
24VDC
PLC
Or
Temperature
Control
SZO44
Compressor
Module
0.9V = Off; 1.3V = 50%; 10V = 100%
Temperature Sensor
•Compressor requirements: 1.2 to 2 GPM
•Operating temperature range, standard: 190° to 210°F (88°- 99°C)
•Thermal oil bypass valve, standard setting: 200°F (93°C)
•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
1st-Stage Separator
A
C
B
Return
to Compressor
Oil Cooler
11 |
