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12-10 • E2 RX/BX/CX I&O Manual 026-1614 Rev 4 5-JAN-2013
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
5. Press (LOOK UP). The Option List Selec-
tion screen (see Figure 12-15) will give you five
choices of defrost modes.
• No Action - Normal
(no manual defrost) state.
• Defr
ost - This is the normal defrost mode. The
defrost ends according to the terminating device
(sensor) or fail-safe time, whichever occurs first.
• Emergency Defr
ost - The defrost time goes the full
duration of programmed defrost time and ignores
any defrost termination sensors.
• Clea
n - 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
Mo
de. Follow the procedures up to the Option
List menu and choose “End Manual Mode.”
• End Manual Mode - Sel
ecting 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,
fo
llow 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
th
e 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
or to enter
Yes
to place the stage in override. Scroll down
one space to enter the Override Time.
3. Choose the Override V
alue of either OFF or ON
using
or .
The compressor stage or condenser fan stage in over-
ride mode will be marked with a cyan blue background in
the Main S
tatus screen indicating that the override is in
effect.