Heatcraft Refrigeration Products BEACON II H-IM-79E - Manual (Page 7)

7
CU M
M = Master Evaporator CU= Condensing unit
Start-Up Operation
Single System With 1 Evaporator
• Check all wiring connections to be sure
they are correct and tight.
• On the condensing unit
- Check the setting of time delay relay.
It should be set at 1 minute (the second
marker).
- Check the adjustable low pressure switch
setting on freezer units. Refer to H-IM-CU.
On some condensing units, the low pressure
switch has a fixed setting and cannot be
adjusted.
• Turn power on
• On the evaporator
- Use the “ PROGRAM REVIEW”
button to scroll through settings.
Start-Up Operation
- Check “rEF” (Refrigerant Type).
Factory defaults are: Air Defrost
R-22, Electric Defrost R-404A.
Change to the refrigerant being used.
- Check “bot” (Box Temperature).
Factory defaults are: air defrost
35°F and electric defrost –10°F.
Change to the desired temperature.
- Review and change other settings if
necessary
- See procedures on page 12 for how to
change settings.