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12-10 • E2 RX/BX/CX I&O Manual 026-1610 Rev 13 14-SEP-2011
cuit Bypass screen opens.
4. The Circuit Bypass screen (see Figure 12-14)
will display the circuit name, its current state, and
the bypass state. The Bypass Command field
will be highlighted.
5. Press LOOK UP. The Option List Selection
screen (see Figure 12-15) will give you five
choices of defrost modes.
• No Action - Normal (no manual defrost) state.
• Defrost - This is the normal defrost mode. The
defrost ends according to the terminating device
(sensor) or fail-safe time, whichever occurs first.
• Emergency Defrost - The defrost time goes the full
duration of programmed defrost time and ignores
any defrost termination sensors.
• Clean - This mode disables all refrigeration and
defrost so that the case can be cleaned or serviced.
• End Manual Mode - Selecting this command will
end any defrost cycle or the Clean Mode initiated
manually.
If the defrost time needed is shorter than what the nor-
mal programmed defrost time allows or if in Clean Mode,
follow the procedures to the Option List menu and select
End Manual Mode.
12.7 Overrides
If a compressor stage or a fan on the condenser needs
to be bypassed, follow these instructions:
1. From the default Home screen, arrow to either
the COMPRESSOR STGS or FAN STAGES
sections and highlight the stage or fan to be
bypassed. Press Enter to access the override
option from the menu.
2. The Override Update screen appears (see Figure
12-16). Press the
or to enter Yes to place
the stage in override. Scroll down one space to
enter the Override Time.
3. Choose the Override Value of either OFF or ON
using
or .
Figure 12-14
- Circuit Bypass Screen (RX-400 Version Shown)
Figure 12-15 - Option List Selection Screen
NOTE: If the case circuit has been placed in
Clean Mode, it must be taken out of Clean
Mode. Follow the procedures up to the Option
List menu and choose “End Manual Mode.”
Figure 12-16
- Override Update Screen (RX Version Shown)