True TAC-27K Installation Manual page 11

TRUE
TAC-27K / TAC-27K-HC-LD: AIR CURTAIN
DIGITAL TEMPERATURE CONTROL COMMANDS:
Use of LED: Each LED function is described in the table below.
Key Combinations:
To lock & unlock the keyboard.
To enter the programming mode.
To exit the programming mode.
HOW TO START A MANUAL DEFROST:
STEP 1 - Push the (DEFROST) key for more than (2)
seconds and a manual defrost will start.
STEP 2 - By pushing the (ON/OFF) key, the instrument
shows "OFF" for 5 seconds and then the
ON/OFF LED switch ON.
USING THE DIXELL ELECTRONIC CONTROL
HOW TO LOCK / UNLOCK THE KEYS:
STEP 1 - Press the (UP) and (DOWN) keys at the same
time for more than (3) seconds.
STEP 2 - The "POF" message will be displayed if the
keyboard is locked. At this point, it is only possible to view
the set point, MAXIMUM / MINIMUM temperature stored.
STEP 3 - To unlock the keyboard, press the (UP) and
(DOWN) keys at the same time for more than (3)
seconds. The "Pon" message will be displayed.
LED MODE
ON
FLASHING
ON
FLASHING
ON
ALARM SIGNALS
MESSAGE CAUSE
"P1" Thermostat probe failure
"P2" Evaporator probe failure
"P3" Auxiliary probe failure
Maximum temperature
"HA"
alarm
Minimum temperature
"LA"
alarm
"EE" Data or memory failure
"dA" Door switch alarm
"EAL" External alarm
"BAL" Serious external alarm
"PAL" Pressure switch alarm
NOTE: To silence alarm, press any button on keypad.
Dixell Control XW60VS
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FUNCTION
The compressor is running
- Programming phase (flashing with LED
- Anti-short cycle delay enabled
The fan is running
Programming phase (flashing with LED
The defrost is enabled
OUTPUTS
Alarm output ON; Compressor output according to
"COn" and "COF"
Alarm output ON; Other outputs unchanged
Alarm output ON; Other outputs unchanged
Alarm output ON; Other outputs unchanged
Alarm output ON; Other outputs unchanged
Alarm output ON; Other outputs unchanged
Alarm output ON; Other outputs unchanged
Alarm output ON; Other outputs unchanged
Alarm output ON; Other outputs OFF
Alarm output ON; Other outputs OFF
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