Manual Defrost - Carrier VECTOR 6500 Operation & Service Manual

3.9 MANUAL DEFROST

HEAT
+34
SETPOINT
DEFROST CYCLE STARTED
When defrost mode cannot be manually initiated "CAN-
NOT START DEFROST CYCLE" is displayed in the
MessageCenter. This will occur when:
•
DTT is above 40°F (4°C). Defrost may be entered
any time the DTT is below 40°F (4°C) OR
•
The engine has not run 15 seconds after starting OR
•
The unit is in PC Mode OR
•
The unit is in Pretrip OR
•
There is an active shutdown Alarm.
DEFROST LIGHT
COOL DEFROST
BOX TEMPERATURE
MANUAL
DEFROST
Press the MANUAL DEFROST key. The DEFROST light will come on and the Messa-
geCenter will display "DEFROST CYCLE STARTED" for 5 seconds, or flash "CANNOT
START DEFROST CYCLE" for five seconds.
ALARM START‐STOP
dF
ALARM LIST START‐STOP/
CONTINUOUS
The Manual Defrost Key can be used at any
time to start a Defrost Cycle as long as the pre-
ceding conditions are met.
Refer to Section 4.6 for more detailed informa-
tion on DEFROST.
3−13
CONTINUOUS
SELECT
TIP
NOTE
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