Fri-Jado Cold MCC, Service Manual

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Page 58 Rev 3 Service Manual MCC Hot / Cold 2021
dOn Compressor relay activation delay after request 0 secs
dOF Deflay after switching off and subsequent activation 0 min
dbi Delay between two concescutive compressor activations 2 min
OdO
Delay in activating outputs after the instrument is switched on or after a
power failure
0 min
dFA Delay fimte in activating compressor and condenser fans after request 0 secs
Defrost ("dEF" folder)
dty Type of defrost (0 = electrical, 1 = reverse cycle, 2 = "Free") 0 num
dit Interval between the start of two consecutive defrost cycles 6 hours
dCt Selects the count mode for the defrost interval 1 num
dOH Defrost start delay time after request 0 min
dEt Defrost timeout; determines the maximum defrost duration 30 min
dSt Defrost end temperature (determiend by evaporator probe) 4 °C
dPO Determines whether the instrument must enter defrost mode y flag
dSE Temperature threshold for start of defrost 0 °C
dtt Time for which the temperature of the evaporator must remain below dSE 0 min
Fan regulator ("Fan" folder)
FPt Characterizes the "Fst" parameter 0 flag
FSt Fan stop temperature 50 °C
Fad Fan starting differential 1 °C
Fdt Fan activation delay after a defrost cycle 0 min
dt Coil drainage time 0 min
dFd Allows to select the evaporator probes exclusion during defrost n flag
FCO Evaporator fans operating mode 1 num
FdC Evaporator fans switch-off delay after compressor disabled 0 min
Fon Fans ON time in duty cycle 12 secs*10
FoF Fans OF time in duty cycle 6 secs*10
Fnn Fans ON time in night duty cycle 1 secs*10
FnF Fans OF time in night duty cycle 12 secs*10
Alarms ("AL" folder)
Att Parameters HAL and LAL 0 num
AFd Alarm differential 2 °C
HAL Maximum temperature alarm 10 °C
LAL Minimum temperatre alarm -30 °C
PAO Alarm exclusion time after instrument switch on, after a power failure 0 hours
dAO Temperature alarm exclusion time after defrost 0 min
OAO Alarm signaling delay after digital input disabling 0 hours
tdO Alarm activation delay time open door 0 hours
tAO Temperature alarm signal delay time 30 min
dAt Alarm for defrosting ended due to time out n flag
rLO External alarm locks controller n flag
AOP Alarm outp polarity 1 num
SA3 Probe Pb3 Alarm Setpoint 30 °C
dA3 Probe Pb3 alarm activation differential 1 °C
Cool protection ("CPr" folder)
CPS Cool protection setpoint -10 °C
CPd Cool protection differential 1 °C
CPt Time that the temperature remains below the cool protection setpoint 0 min
9.2
ParameterMCC Cold Settings (Full Serve)