Hussmann GSVM Installation & Operation Manual page 24

3-2
startup
1. The T-stat controller controls refrigeration
temperature. This is factory installed in the
control panel. Adjust this control to maintain
the discharge air temperature shown. Measure
discharge air temperatures at the center of the
discharge honeycomb.
P/N 0545716_G
/
operation
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Defrosts are time initiated and time terminated
for this model. The defrost setting is factory set
as shown above.