Overrides - Emerson E2 Installation And Operation Manual

cuit Bypass screen opens.
Figure 12-14
- Circuit Bypass Screen (RX-400 Version Shown)
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.
Figure 12-15
- Option List Selection Screen
Press LOOK UP. The Option List Selection
5.
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.
•
12-10 E2 RX/BX/CX I&O Manual
• Clean - This mode disables all refrigeration and
defrost so that the case can be cleaned or serviced.
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."
• 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.
Figure 12-16
- Override Update Screen (RX Version Shown)
2. The Override Update screen appears (see Figure
12-16). Press the
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 .
 
or to enter Yes to place
026-1610 Rev 12 25-APR-2011