Trane Horizon OAKD Installation, Operation And Maintenance Manual page 49

b. Override Circuit 1 to 0%.
c. Override HGRH to 100%.
d. Maintain head pressure 400 psi.
e. Record electrical data, refrigerant pressures,
saturated temps and line temps on Horizon. Start
Up sheet (available at the end of this document).
OAU-SVX01K-EN
System Configuration and Pre-Start
49