ISA ZERO TOUCH T12, Руководство по эксплуатации и обслуживанию

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4.3 Defrosting
Pressing this area enables selection of a manual
defrosting cycle, which is started up by pressing
area . When the cycle starts up the
following page is displayed.
INTERVAL OF DEFROST during the holding phase the defrost
interval is defined with poarameter d0<>0.
Regardless of how have been started up, defrosting cycles are managed by the following parameters.
d0 Interval between two consecutive defrosts
d1 Type of defrost
d2 Evaporator temperature to end defrost (can be set if P4 is set to 1)
d3 Defrost duration
d4 Defrost start-up at the beginning of a blast chilling/blast-freezing cycle
d5 Defrost start-up delay from the start of conservation after blast chilling/blast-freezing
d7 Drip duration
d15 Minimum compressor switch-on duration for starting hot gas defrost
d16 Pre-drip duration (can be set if hot gas defrost is selected)
The type of defrost can be selected by parameter d1. There are four ways of performing a defrost cycle.
d1=0 Electric defrost
d1=1 Hot gas defrost
d1=2 Air defrost
d1=3 Air defrost with door open
DEFROST BEFORE A CYCLE can be enabled with d4=1 .
DEFROST DELAY defrost can be delayed (at start cycle o at beginning of conservation) by parameter d5.
EVAPORATOR PROBE CONTROL with evaporator probe control to start a defrost the temperature value must be
lower than parameter d2 .
END DEFROST CONTROLS Defrosting stops when evaporator temperature reaches d2 or d3 timer is expired. In this
case there is an maximum defrost duration alarm signal.