* During any of the tests tha t are not automated, an out -of-range reading will have an asterisk (*) next to
the reading and a message wi ll be displayed .
† On open-drive machines, dif ferential pressure is the only oil pressure dis played.
** Displayed only on her me ti c machines.
7. Discrete Out puts
8. Pumpdown/Lock out
9. Terminate Lockout
All outputs or individu al outputs may be energized :
Hot gas bypass relay
Oil heater relay
Motor cooling relay**
Tower fan relay
Alarm relay
Shunt trip relay
When using pumpdown/loc kout, observe freeze up precau-
tions when removing ch arge:
Instructs operator as to which valves to close and w hen
Starts chilled water and condenser water pumps and con-
firms flows
Monitors —
Evaporator pressure
Condenser pressure
Evaporator temperature during pumpout procedures
Turns pumps off after pump down
Locks out compressor
Starts pumps and moni tors flows
Instructs operator as to which values to open and w hen
Monitors —
Evaporator pressure
Condenser pressure
Evaporator temperature during charging process
Terminates compressor lockout
Table 7 — Control Test Menu Functions (Continued)
Tests To Be Performed Devices Tested