FCM electronic regulator Cod. +302235300 - Rel. 2.0 del 30/11/98
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P43: Max. duration of defrost
P43 defines the max. duration of a defrost cycle.
Access:
Keypad: if C50=1, 3 or 4 Ü press for 5”;
if C50=0 or 2 Ü the parameter can only be displayed.
Remote control: if C50=0, 1 or 4 Ü press “ENABLE” and and ;
if C50=2 or 3 Ü the parameter can only be displayed.
Modes: only when C00=8
Operating range: from 1 to 60 minutes.
Default: P43 = 1 minute.
Note: if the P41 threshold has been excluded, P43 sets the fixed time for a defrost cycle. When P41 is operative P43 defines the max.
time beyond which the defrost cycle will come to an end; the display will then show a message.
P44: Min. time-interval between two defrost cycles
P44 sets the min. time-interval between a defrost cycle and the next one.
Access:
Keypad: if C50=1, 3 or 4 Ü press for 5 seconds;
if C50=0 or 2 Ü the parameter can only be displayed.
Remote control: if C50=0, 1 or 4 Ü press “ENABLE” and and ;
if C50=2 or 3 Ü the parameter can only be displayed.
Modes: only when C00=8
Other parameters: does not depend on other parameters.
Operating range: from 1 to 240 minutes.
Default: 1 minute.
Note: if the duration of the defrost cycle (P43) is greater than or equal to P44, the defrost will go on provided that the value of the
variable remains below P40.
P45: Value of the output during defrost
P45 sets the value of the 0÷10 V analogue output during a defrost cycle.
Access:
Keypad: if C50=1, 3 or 4 Ü press for 5 seconds;
if C50=0 or 2 Ü the parameter can only be displayed.
Remote control: if C50=0, 1 or 4 Ü press “ENABLE” and and ;
if C50=2 or 3 Ü the parameter can only be displayed.
Modes: only when C00=8.
Other parameters: does not depend on other parameters.
Operating range: from 0 to 100%.
Default: P45 = 0.
8.8 Parameters concerning keypad and remote control
C50: Enabling keypad and remote control
C50 allows you to limit or prevent any modification of the parameters by non authorized personnel.
Access:
Keypad: + for 5 seconds and password 77;
Remote control: if C50=4 Ü press “ENABLE” and and
.
Other parameters: does not depend on other parameters.
Operating range: from 0 to 4
C50=0 Ü Keypad: disabled (parameters can be only displayed except C50)
Remote control: parameters P and set-point can be modified, parameters C can't be seen;
C50=1 Ü Keypad: enabled;
Remote control: parameters P and set-points can be modified; parameters C can't be seen;
C50=2 Ü Keypad: disabled (only displayed parameters, except C50);
Remote control: disabled (parameters P and set-point can only be displayed);
C50=3 Ü Keypad: enabled;
Remote control: disabled (parameters P and set-point can only be displayed);
C50=4 Ü Keypad: enabled;
Remote control: enabled;
Default: C50 = 4 Ü Keypad and remote control enabled.