Integrated
Integrated
(700-
(700-
3
3
T
T
ALL)
ALL)
Series
Series
Electronic Control System
3-9
#3758412 - Revision B - December, 2006
Manual Zone Disable Mode
Manual Zone Disable Mode allows a customer or Service Technician to switch one zone off for interior cleaning,
defrosting, or diagnostic purposes, while allowing the other zone to continue cooling.
To initiate Manual Zone Disable Mode, the unit must first be switched OFF using the UNIT ON/OFF key (See Figure
3-15), then press and hold the WARMER key for the zone being disabled, then the UNIT ON/OFF key, then release
both keys (See Figure 3-16). The LCD will display “- -” (double dashes) in place of temperature readings for the
zone chosen, indicating all cooling functions for that zone are disabled. To return the unit to normal operation,
repeat the steps above, or press UNIT ON/OFF key.
NOTE: Always check set-points after returning unit to normal operation.
Figure 3-16. Then Press and Hold WARMER Key for Zone Being Disabled,
Then the UNIT ON/OFF Key.
Figure 3-15. To Enter (or Exit) Manual Zone Disable Mode, Switch Unit OFF First
Indicating that all cooling functions
for that zone are disabled.
Manual Freezer Evaporator Defrost
Manual Freezer Evaporator Defrost was incorporated into the electronic control to assist in servicing and diagnos-
tics.
To initiate manual freezer evaporator defrost, press and hold the ICE ON/OFF key for five (5) seconds, then release
the key. (See Figure 3-17).
NOTE: Manual Freezer Evaporator Defrost will not operate if unit is in Sabbath Mode.
Figure 3-17. Initiate Manual Freezer Evaporator Defrost - Press and Hold ICE ON/OFF key for 5 Seconds
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