Honeywell ELECTRONIC REFRIGERATION CONTROL PCR-300- Manuals

6 a) housing with 2 mounting tabs: open out the lateral mounting tabs; clip the unit on the 35 mm railand press tabs in again. b) housings with 1 mounting tab: put housing on the upper 35 mm rail. Clip the unit on the 35 mm rail, lower tab clips on the rail automatically. To remove the unit from the...

8 5.3 Setting the DIP switch for the emergency setpoint and the clock back-up battery Carefully lift the housing cover off the side, using your fingers. I Selection of the emergency setpoint for the cold storetemperature:This will be activated if the data in the memory is lost and alarmAL1 is activa...

☛ Note: It takes approximately 24 hours for the battery to achieve itsfull back-up capacity.The battery will provide cover for a power failure of approximately1 month. 6 Operation of the controller Front view of controller: 6.1 Switching on the operating voltageThe controller is started by means of ...

6.7 Manual defrosting Press and hold down the key for 5 seconds. The manual defrosting process will be initiated. 7 Programming Access to the second programming level: I Press and hold down the , and keys at the same time for approx. 5 seconds(Display: E01 for PCR-300, E00 for PCR-300RC). I Use or k...

14 The time is entered in increments of 10 minutes in each case . Important : The times must be entered in ascending order. E03 Alarm temperature difference –50 K to + 50 K 20 K E04 Delay time – Alarm 0 to 99 mins. 10 mins. E05 Compressor start-up delay 0 to 15 mins. 5 mins. E06 Defrost type 1 or 2 ...

15 E15 Sensor calibration T1 –5 to +5 K 0 K (cold store) E16 Sensor calibration T2 –5 to +5 K 0 K (evaporator) E17 Operation of 0 = Relay de-energizes 2 compressor relay 1 = Relay is perma- if cold store sensor T1 nently engergized is defective 2 = Alternately ener- gized/de-ener-gized according to ...

16 8 Maintenance The controller does not require any maintenance. It does not have anyfuses so, if brief voltage spikes occur, the refrigeration system will notstop operating for a prolonged period. Once the disturbance haspassed, the controller will automatically start up again.Cleaning the housing...

Clearing alarm:Press the key. All alarm messages, with the exception of AL2, are also reset byswitching off the operating voltage. AL2 can only be reset using the key. 10 Problem solving Fault Cause Remedy Evaporator fan does not Evaporator Refit switch on during sensor T2 has sensor. cooling when t...

18 12 Technical data Mains voltage/frequency 230 V AC ± 10% / 50/60 HzRated wattage 2.5 watts Display 3-digit, 7-segment, red LED, 14.2 mm Resolution 1 K Measuring range –55 to +50 °C Outputs 1 relay with changeover contact, 8 A, 230 V AC, resistive load, (cooling).1 relay with N.O. contact, 8 A (5A...

19 EC Declaration of Conformity as defined in the EMC Directives 89/336/EEC and the EC Low Voltage Directives 73/23/EEC Product : FLICA, electronic coldstore control Model designation: PRC-300, PCR-300RC has been developed, designed and manufactured in accordance with the EC Standards listed above. ...