FREEZEKING Walk-In-Cooler Operation & Maintenance Manual
Contents
1. key Select SPD 1 with key Then press the CH UP key Select chart speed of 10 with key Then press the CH UP key CHART will be displayed Press the DISP key for 3 sec to return to the operation mode Pen Replacement Pen replacement mode to be followed Refer to user manual page 2 6 and 2 7 PLEASE PASTE A COPY OF THESE INSTRUCTIONS ON THE CONTROL PANEL FREEZE p ELECTRONIC TEMPERATURE CONTROLLER USER INSTRUCTIONS IMPORTANT The electronic temperature controller provided must be handled as per operating instructions below Failure to do so would result improper functioning which could lead to damage of the refrigeration system Detailed operating instructions are given separately TO SET TEMPERATURE Press and hold the SET key for 4 seconds Display will change to temperature set point and will flash Change the set point with UP and DOWN keys and press SET key to store the new setting will confirm the new temperature set point is stored TO SET OTHER PARAMETERS Press and hold UP and DOWN keys simultaneously for 7 seconds P1 will flash Press SET key to display the set value and change with UP and DOWN keys Press SET key to confirm new setting will confirm new setting and display will return to P mode Use UP and DOWN keys to go other parameters P MODE Enter Value P1 To set for heating or 00 cooling P2 Max set point and high 9 C temp ala2. DETAILED USER AND TECHNICAL MANUALS GIVEN SEPARATELY BEFORE OPERATING RECORDER Power Switch Push type given at the bottom right and corner Key Panel RCD Key To start or stop recording DISP Key Cycles through modes of auto manual off or display In auto mode temperature of both sensors in displayed one after the other In manual mode temperature of only one sensor is displayed In off mode no display If this key is pressed for 3 sec the recorder enters the regular setting mode A Key For selecting in setting mode Pressing this key for 3 sec enters the pen replacement mode FEED Key Pressing this key moves the chart Also can be used for selecting numeric values CH UP Key Enter key to execute the setting Setting up Press the DISP key for 3 sec to enter the regular setting mode Select the RANGE display by using the key Then press the CH UP key Use the key to select CH 1 Press CH UP key Use the key to select tc thermocouple Press CH UP key Select t with key temperature range Press CH UP key Make minimum value 0000 0 Press CH UP key Make maximum value 0050 0 Press CH UP key RANGE will be displayed Press CH UP key Use key to select CH 2 Follow instructions as above RANGE will be displayed Press the DISP key for 3 sec to return to the operation mode Chart Speed Press the DISP key for 3 sec to enter the regular setting mode Select the CHART display by using the key Then press the CH UP
3. PLEASE PASTE A COPY OF THESE INSTRUCTIONS ON THE CONTROL PANEL FREEZE 11 FREEZEKING WALK IN COOLER OPERATION amp MAINTENANCE MANUAL FREEZEKING INDUSTRIES P LTD 7 17 KIRTI NAGAR IND AREA NEW DELHI 110015 PH 011 5930681 FAX 011 5447509 EMAIL freezeking vsnl com PLEASE PASTE A COPY OF THESE INSTRUCTIONS ON THE CONTROL PANEL FREEZE p OPERATING INSTRUCTIONS For FREEZEKING WALK IN COOLER Important Please read the following carefully We consider any deviation from correct Installation operation and servicing principles specially those mentioned below sufficient cause for withdrawing all product guarantees This unit has an Automatic Temperature Control and Electric Defrosting System 1 2 Normal cooling cycle running time 2 hrs Green indicator glows during normal running Red indicator glows during defrosting Main switch should always be ON when unit is operating Please note On switching main power on the time delay on stabilizer will be about 2 min and thereafter the unit control panel will get the power supply The MCB s provided for the Door Heater and Evaporator Heater must be switched on at all times during operation During defrosting temperature will rise depending upon loading door openings entering product temperature etc Manual Defrosting is necessary in case the cooling coil freezes ice build up on the cooling coil result in reduced air flow from evaporato
4. pass the voltage stabilizer provided Oil level in the compressor sight glass should maintained at half fitted Switch off door heater if refrigeration system is not being used Do not turn on the compressor with the service valves shut UO z Zg Maintenance schedule provided separately must be strictly followed IN CASE OF ANY FURTHER INFORMATION OR ASSISTANCE PLEASE CONTACT US FREEZEKING INDUSTRIES P LTD 7 17 KIRTI NAGAR IND AREA NEW DELHI 110015 PH 011 5930681 FAX 011 5447509 PLEASE PASTE A COPY OF THESE INSTRUCTIONS ON THE CONTROL PANEL FREEZE p GENERAL MAINTENANCE SCHEDULE FOR COLDS ROOMS INTERVAL CHECK DAILY Temperature should be as set Noise level should be normal Diesel in generator Data recorder Frost build up in evaporator oil Generator oil level Voltage WEEKLY Compressor oil level Loose fasteners fan blades etc Door Heater if stalled Evaporating Heat Defrosting System if Installed Filter Drier temperature on both ends should be equal Current drawn 3 MONTHS Rubber Gaskets Evaporator and Condenser coil to be cleaned All Motors for greasing current input etc Generator oil change as per Instructions given separately Note Maintenance instructions provided separately for Generator and Data Recorder must be followed PLEASE PASTE A COPY OF THESE INSTRUCTIONS ON THE CONTROL PANEL FREEZE GENERAL OPERATION INSTRUCTIONS FOR YOKOGAWA DATA RECORDER IMPORTANT PLEASE READ
5. r and temperatures not dropping In such case turn defrost switch once to start the defrosting cycle which will automatically end after defrosting If the coil continues to freeze frequently check timer settings Temperature controller is set at 2 C i e cutoff 2 C and cutin at 5 C Electric supply must be given through stabilizer at all times Do not by pass stabilizer Independent earthing grounding is necessary for this equipment Failure to provide the same may damage the equipment Frequent power failures may disrupt the defrosting cycle leading to freezing of the cooling coil In such case use manual defrosting to clear the coil of any ice build up Frequent amp long door openings or high entering product temperatures will result in higher box Do not keep any material in front of the evaporator Keep evaporator clear on all sides for free air circulation Similarly the condensing unit outside should be clear of any obstructions to free air movement entering and leaving the unit Please ensure that the discharge air is not short cycling into the condenser The condenser and cooling coil should be kept clean for maximum air flow and efficiency The change over system will automatically switch over to second unit in case temperature is not achieved 3 hrs of turning on the first refrigeration unit Unit can be selected through change over switch provided on the control panel This unit must be serviced by t
6. rained service personnel only PLEASE PASTE A COPY OF THESE INSTRUCTIONS ON THE CONTROL PANEL FREEZE CAUTION Unless air curtain is installed do not open when refrigeration unit is running This can lead to serious damage to the compressor Do not load the cold room until temperature is brought down to 2 C Proper independent grounding earthing is necessary for this equipment w gt Do not keep any material in front of the evaporator unit Keep the front open for free air circulation E Do not obstruct condensing unit air flow Free air flow is necessary for safety and proper operation Discharge air should not short cycle into the condenser F Incase of excessive frost build up on evaporator coil manual defrosting is necessary G Use only recommended refrigerant H Refrigeration system must be switched off in case temperature is not maintained below 15 Data recorder must be connected trough voltage stabilizer with 5 amps fuse on line Operating instructions provided separately must be followed J In case the temperature of the box is not falling within half hour of turning on the compressor please shut down system and call service personnel check system K Do not use this equipment for maintaining temperatures higher than 10 C and lower than 2 L Proper voltage is necessary for normal running of the system Voltage fluctuations can cause damage to the motors compressor Do not by
7. rm P3 Min set point and high 26 temp alarm P4 Temperature differential 2 P5 Probe calibration 0 P6 Time delay min 2 E1 00 LP Keypad lock 0 Open 1 Lock AL Alarm function EP End Programming Now Press Set Key press SET Key OPERATING MESSAGES MESSAGE DISCRIPTION HT Temp above max limit P2 LT Temp below limit P3 PP Probe failure short circuit open without probe EE Memory error Ch TS csi PLEASE PASTE COPY OF THESE INSTRUCTIONS ON THE CONTROL PANEL FREEZE CONTACTOR EVAPORATOR HEATER FOR DRAIN PAN DEFROST CONTACTOR DEFROST TIMER AUTO SWITCHOVER CONTACTOR AUTO SWITCHOVER TIMER z DOOR HEATER ROD HEATER Pre matmy Tooo 07 4
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