Operating Instructions Operating Instructions
Contents
1. 35 Liter UN er X NY N RS X N N N NO Chamber IN Refrigerant Stage 1 R 507 x 160 gr BR Parts List ap fon Version i i B 35 50 070503 Refrigeration Diagram amp Parts List Tempere Range 107550 02. ERYKA Laboratory Coolers and K ltetechnik Freezers Serial Products and Custom Made Operating Instructions Cold Box B35 50 V070503 FRYKA Kaltetechnik GmbH Ohmstr 4 Tel 0049 711 310599 0 73730 Esslingen Fax 0049 711 310599 29 Internet www fryka de E Mail info fryka de Operating Instructions Cold Box B 35 50 Erection Erect the appliance the way that the very best aeration is assured viz At least 30 cm shall remain free at the right and the left side Avoid locations exposed to excessive heat max 28 C or direct sun rays because this would lead to failures of the appliance The cold box is only for using in dry rooms and needs a flat ground Before starting the cooling machine the cold box should be still at his place min about 12 hours Technical design The housing consists of stainless steel 4301 The isolated doors is out of hard foam and has 35 liters capacity The isolation of the chamber is a combination of isolation foam and vacuum isolation panels So it is not allowed to drill holes in the isolation cause this leads to a defect vacuum isolation The cold box has the following outside dimensions wide 585 mm depth 765 mm high 540 mm The chamber ist out of stainless steel 4301 and has a volume of 35 liters The dimensions inside are W 425 mm D 300 mm H 285 mm The refrigerating system at the rear side consists of a refrigerating unit with fully hermetic compressors There ar
3. and Error Messages on the next page The alarm unit is completly galvanized separated from the controller and this leads to a very high standard of safety The alarm is always in function also when the controller has broken The alarm is switched ON automatically with the standby of the cooling machine It is activated automatically after 3 hours or when the temp reaches a difference of 5 K higher the SET temp Is the alarm in normal function and there is no actual alarm the is a small red point in the display The alarm can only be switched off when the standby switch of the cooling is off This should prevent a unintentionally wrong command The following buttons are on the alarm tone off With this you can switch off the acoustic signal for 15 min If the error is always actual the signal comes back after the 15 min reset With this button you can reset a alarm signal when there is no actual alarm alarm off This is the off switch for the alarm unit To switch of the alarm is only possible when the cooling machine is switched off The alarm unit has the following red LED s display At normal function is there a small red point During a temperature error it displays the highest value of the chamber temperature So th euser is informed about the highest temperature during the error and can decide if the goods are defect or not At other errors the display shows the error code see in the table t
4. e one axial fan to cool the refrigerating unit For regulation there is an electronic on off regulator with digital display of the actual value and set point adjuster For further details please refer to the technical plans Starting Insert mains plug in a 230 volts 50 Hz socket with protection ground Please take care on the allowed power supply with 220 240 V 50 Hz cause if the differences are too high this leads to problems with the machine Please check the chamber inside this must be empty until the temperature cools down to the SET temp Switch on the cooling at the standby switch left side of the panel and adjust the working temperature wanted by means of the set point adjuster buttons UP and DOWN under the small blue SET display All buttons must be pressed for 2 seconds This should prevent an unintentionally wrong command Operating range 10 C to 50 C The refrigerating machine starts cooling and the temperature prevailing inside is displayed in the great blue display Let the machine runs about 4 hours and when the temperature reach the SET point you can put in the goods in the chamber The alarm at the right side of the panel is switched ON automatically with the standby of the cooling machine It is activated automatically after 3 hours or when the temp reaches a difference of 5 K higher the SET temp Temperature Controlling The controlling of the cooling machine is made from the electronical Board ST100 T
5. he discription of the codes temperature alarm Is on when there is a temperature alarm see table error Is on at different errors see table power failure Is on when the battery is defect or when the power failed When the alarm is on and is being in normal function small red point the alarm unit can make a self test With this you can test if the alarm is OK After pushing the tone off button the alarm starts with the self test needs 10 sec Is after the self test F8 in the display there is something wrong with the alarm unit Is all right it comes back automatically to the normal display small red point The following teperature alarms can be registrated temperaturealarm cooling This error comes from the temp controller blue display to the alarm when the actual temp big blue display is more than 5 or 10 K different from the SET temp small blue display This alarm is not possible during the cooling down time after switch on by standby temperaturealarm alarm unit This error comes from the alarm unit when the temperature is out of the range 5 C to 60 C This alarm is activated after a time difference at cooling down or when the value of the display is reaching the range In the alarm is a battery installed which guaranteed the power supply for the alarm unit about 72 hours when the power supply for the Cold Box is missing Attendance All parts of the refrigerating machi
6. he panel of the ST100 has 3 different displays see script at next sides The controller works with 3 temp sensors One PT100 sensor for measuring the inside temp the second sensor for measuring the temp for the alarm unit and the third sensor for controlling the heat of the compressor The control precision is 1 K Function of cooling machine The machine consists of a one stage cascade system The compressor cools the cools directly the chamber The compressor starts some seconds behind swicth ON the standby switch The compressor were switched ON OFF by the controller for regulate the temperature Safety equipment The refrigerating units are equipped with internal thermal protection to switch off the machines in the case of excessive heat The units may be switched on again after cooling of the compressors approx hour The reason for the overheating should be checked most times to high ambient temp or dusty condenser Service connections On the left side there is are service connections The upper socket is a RS485 for changing the SET point The 3 sockets black red black are a potential free alarm contact for connection of an external alarmer The lower socket is a 10m V K output for connection of a suitable temperature recorder The signal means OV 0 C and 1V 100 C Alarm Unit The alarm unit at the right side of control panel has some different alarmfunctions Please see therefore the table Status
7. k Is ON Temperaturealarm alarm unit F1 1 3 Sek Is ON Error sensor F1 Controller works like adjusted at Parameter C10 F2 1 3 Sek Is ON Error sensor F2 F3 1 3 Sek Is ON Error sensor F3 Alarm unit is defect F4 1x pro Is ON Range alarm sensor F4 Min F4 1 3 Sek Is ON Error sensor F4 F5 1 3 Sek Is ON Error sensor F5 F6 1 3 Sek Is ON Battery defect Out Out Max Temp 1 3 Sek flashing Power failed battery is on F7 1 3 Sek Is ON Door is open F8 Seft Test is not OK EP 1 3 Sek leuchtet Defect Controller EP 1 3 Sek leuchtet Defect Alarm Unit Control Panel ST100 at Cold Box B 35 50 blue blue red SET Temperature Actual Temperature max Alarmtemp Bu1jo0 yoyms qpues Tempature Ca on SH So of cc FA 5 3 7 N wn ra 9 u yun WEI Isa L 49S 10 UIW ST JOJ yo QUOL temperature alarm error power failure wJejy ue Jaye S Y WEI YOUMS JJO UO All buttons must be pushed for 2 seconds Parts List Electric L2 12 3 4 5 6 PEPE r Terminal A ddng somod Josss1dwon Buneay sues Voltage 230 V 50 Hz Current 5 0 A na Control Panel ST100 Compressor SC 12 CLX Condenser Fan Stage 1 GT 5 200 sg Temperature Sensor Controller PT 100 J Temperature Sensor Alarm Unit PT 100 J Temperature Sensor Overheating PT 100 1m KS Frame Heating Version 070503 Temperature Range 10 50 C Refrigeration Diagram
8. ne are suitable for continuous operation There is not required any attendance The cooling air condenser only should be checked at regular intervals depending on the pollution of location usually once a year Please check this item first if the system fails operating A dirty air condensor might cause the system to overheat and fail For cleaning the air condenser you can put away the right back bars and blow through the black condenser with pressed air A dusty air condenser can lead to a overheating of the cooling machine Trouble repair work Experts having discussed matters with the manufacturer or the manufacturer s authorized staff only may repair the refrigerating circuit of the system or intervene therein Any reliability or warranty will cease in the case of an infringement Accessories special equipment For the chamber of the cold box are different storage systems and a temperature recorder avaiable Further details are available from your dealer or from the manufacturer Status and Error Messages Display 1 Display 2 Display 3 Acoustic LED 1 LED 2 LED 3 Description Set C Temp C Alarm temp alarm error power failure SET temp Actual temp Red point Normal function OFF Cooling is switched off OFF Alarm is switched off SET temp adjusting is locked Value flashs Max Temp 1 3 Sek Is ON Temperaturealarm cooling Max Temp 1 3 Se
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