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15.7. UNIT IS LOADING
This state is entered when more capacity is required. Every second an adjustment is made to the step delay.
When the delay reaches zero, the counter “steps wanted on” is increased by 1.
15.8. RUN/STOP SW OFF
This state is entered when the run stop switch is off, in the stop position. When the chiller is in this state, the
individual compressor states if active are moved to the CMP IS OFF state through the normal states. One
capacity STEP will be moved per second.
15.9. SCHEDULED OFF
This state is entered when the schedule is calling for the package to be off. When the chiller is in this state,
the individual compressor states if active are moved to the CMP IS OFF state through the normal states. One
capacity STEP will be moved per second.
15.10. OFF-NO FLOW
This state is entered when the evaporator fl ow switch is off. When the chiller is in this state, the individual
compressor states if active are moved to the CMP IS OFF state through the normal states. One capacity
STEP will be moved per second. If the NO FLOW setpoint is active and set to Lockout the chiller will lockout
on no fl ow.
15.11. UNIT IS UNLOADED
This state is entered when all of the systems available capacity steps are off. The package is providing no
cooling capacity, as none is required. The system is ready to react to cooling needs.
15.12. UNIT IS LOADED
This state is entered when all of the system’s available capacity steps are on and the package is providing the
maximum amount of cooling capacity.
15.13. SWITCHING MODES
This state is entered when the unit is switching between cooling mode and heating mode. Only heat pump
units or units with electric heat and a Sensor Input selects either the cooling or heating mode will enter this
state. Select this information under the MAG V8 screen.
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