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Installation and Operation Manual for Refrigeration Units  

 
 

Standard cooling 

 

GEKN 600 
GEKN 900 
GEKN 1200  
GEKN 1500  
GEKN 2001 
GEKN 3001

 

Extra-low 
temperature cooling 

 
GEKT 501 
GEKT 701 
GEKT 1001 
GEKT 1201 
GEKT 1501

 

 
 
 
 
 
 

Riedel refrigeration units, made by Günter 

with exclusive Bosch service support 

 
 

 

-1- 

   

Status as of 08/2008 

 
 
 
 
 
 
 
 

 

 

           GEK...-H 

..-W 

..SP 

GEK...-D 
Unit for Ceiling mounting 

 

 

GEK...-H /..-S 
Piggyback / Split model 

 
 

The units GEKN 600, 900, 1200, 1500, 2001, and 3001 are suitable for installation in rooms with 
a desired temperature range of 

+12°C to -5°C.

 

 

The unit models GEKN 501, 701, 1001, 1201, and 1501, are suitable for installation in rooms 
with a desired temperature range of  

-5°C to -25°C

Summary of Contents for GEKN 1200

Page 1: ...ation units made by Günter with exclusive Bosch service support 1 Status as of 08 2008 GEK H W SP GEK D Unit for Ceiling mounting GEK H S Piggyback Split model The units GEKN 600 900 1200 1500 2001 and 3001 are suitable for installation in rooms with a desired temperature range of 12 C to 5 C The unit models GEKN 501 701 1001 1201 and 1501 are suitable for installation in rooms with a desired temp...

Page 2: ...ndard units 8 7 Refrigeration controller for units with remote control 11 8 Technical data 15 9 Stopping operation of the refrigeration unit 16 10 Energy saving instructions 16 11 Cleaning and maintenance 16 12 Causes for malfunction 17 13 Refrigeration cycle diagram 18 14 Wiring Diagramm 19 15 Dimensions sheets 27 16 Accessory tubing for split systems 31 17 Spare parts GEK H S 32 18 SPARE PARTS G...

Page 3: ... environmentally friendly and recyclable The cardboard is comprised of 80 to 100 recovered paper The plastics are made of polyethylene PE and the straps are polypropylene PP The padding elements are CFC free and made of foam polystyrene PS These materials are pure hydrocarbon compounds and recyclable You will find addresses for such materials centers at your municipal administration Please contrib...

Page 4: ...formed Saddle Installation Create the recesses with the help of the enclosed template or according to the dimension diagram pg 27 in the instruction manual Lower the refrigeration unit Attach the bracket to the inner wall of the cell according to the wall thickness Open the front cover of the outer unit and attach it to the cell wall with screws Close cover The lamp can be mounted either on the ri...

Page 5: ... result is a leak proof metallic connection between the clutch halves check the seal tightness with the enclosed leak detector spray Notice Please note that once the Aeroquip connection has been closed it cannot be opened again without the loss of refrigerant Therefore such tasks should only be performed by a refrigeration specialist In conclusion the electrical connecting cable leading from the o...

Page 6: ...nly be achieved by a separate GFCI No other appliances may be operated by this ground fault circuit interrupter Units with oil sump heating must be heated to an ambient temperature of at least 10 C before start up Connect the unit to the line voltage and switch on after the compressor is clearly warmed After connecting the main plug to the power supply the main operating switch red needs to be swi...

Page 7: ... evaporator fan E1 heating condenser E2 heating drainage E3 heating door frame provided by client GEKT 1 Cable no 10 1 and door frame heating only for GEKT 2 Individual connecting cables are not included in delivery but can be ordered in varying lengths if desired 3 Connection terminal for cooling room lighting 4 Wiring for remote control Switch S2 Switch S1 Terminal box Controller Condenser Conne...

Page 8: ...on evaporation fan on off evaporation fan off Settings The most important key functions are described below For further setting modes please consult the mounting and operation instructions of the cold room controller The operation parameters of the cold room controller are set at the factory of the manufacturer Therefore only the desired room temperature needs to be set for operation of the unit S...

Page 9: ... of the evaporation fan standstill during defrost Creates an increase in the relative humidity in the cold storage room Enter code 88 in parameter 30 Set parameter P18 to 2 and confirm with the P button Circulation Defrost Option minimum room temperature of 4 C Fan runs during defrost latent heat utilisation Creates an increase in the relative humidity in the cold storage room Enter code 88 in par...

Page 10: ...splay mode 1 C 2 F 1 1 P09 Sensor calibration T1 room 0 K 0 K P10 Sensor calibration T2 evaporator 0 K 0 K P11 Defrost limitation temperature 12 C 12 C P12 Defrost mode 1 electrical 1 1 P13 Defrost cycle 12 Std 1 6 Std 1 P14 Defrost time limitation 35 min 35 min P15 Defrost delay after switching on the distribution voltage 60 min 60 min P16 Drip time of evaporator 3 min 3 min P17 Set value for aft...

Page 11: ...instructions of the cold room controller Cooling On Off Hold Cooling On Off key for 3 seconds Room Illumination On Off Hold Room Illumination On Off key for 3 seconds This button is ineffective for the option door contact and fault indication see circuit diagram pg 20 22 25 of the instruction manual The operation parameters of the cold room controller are set at the factory of the manufacturer The...

Page 12: ... circuit and is omitted connect door contact according to circuit diagram pg 20 22 or 25 2 3 Enter code 88 in parameter 50 Set parameter P30 to 0 and confirm with the P button Strip terminal X6 1 terminal 1 and 2 are now fault indication contacts Turn on light above the door contact or with the switch provided by the client High storage humidity option Continuous operation of the evaporation fan s...

Page 13: ...eter P47 If there is only one unit then this value must be identical to the value in parameter P48 Standard setting for the operation of a single unit Hold the F button for approx 3 sec Exiting the parameter level of the remote control Attention Never change parameter P02 and or P04 of the remote control because communication with the refrigeration controller will be discontinued Alarm signal inte...

Page 14: ...erence 2 K 2 K P10 switching behaviour of the compressor relay 1 cooling 1 1 P11 Set value for after running of evaporator fan 5 min 5 min P12 Operation mode of evaporator fan 50 C 50 C P13 Starting delay of evaporator fan 1 1 P14 evaporation fan start up delay 5 min 5 min P15 time left until defrost finish P16 time left until compressor start up P17 time left until evaporator fan start up P18 tim...

Page 15: ...d interrupt the communication between the remote control and the cooling cell controller If these parameters are changed for any reason then the communication to the cooling cell controller can only be restored via the setting mode of the remote control The baud rate and the unit address must be set to have the same values as P47 and P48 8 Technical data Compact ready to use refrigeration units fo...

Page 16: ... unit During long periods of stoppage or cleaning the refrigeration unit is to be shut down by pulling the power plug For restarting the units with oil sump heating the time of start up is to be noted Notice After a power failure the refrigeration unit starts up automatically All saved data is retained 10 Energy saving instructions The refrigeration unit should not be placed near sources of heat I...

Page 17: ...emperature is too high reduce ambient temperature max 35 C for standard model and max 45 for high temperature model Unit runs continuously evaporator is dirty condenser is dirty clean fins see maintenance and cleaning Unit runs continuously and the evaporator is iced up door open for long periods uncovered liquids in the cooling cell keep the periods with door open short cover liquids activate man...

Page 18: ...le diagram Legend 1 Compressor 2 Pressure line 3 High pressure switch 4 Hot gas snake 5 Condenser 6 Receiver dryer 7 Fluid line 8 Expansion valve 9 Evaporator 10 Suction pipe 11 Cooling cell Insulation for ceiling units 18 ...

Page 19: ...elfühler Abtauf ühler Kühlen Abtauen Ventilator 12 24V AC DC X1 1 X1 1 2 1 2 230V 1Ph N 50Hz 1 x 16A 8 6 SCHALTPLAN FÜR HUCKEPACKGERÄTE BEDIENUNG AM GERÄT TAR 1309 2 4 2 6 6 8 2 7 T0 230V 12V 2N 6 7 8 9 1 0 2 1 3 4 5 X1 4 X6 Absicherung 16 A träge 5 6 Applies to Piggyback H operation on unit Refrigeration controller TAR 1309 Fuse 16 A delay 19 ...

Page 20: ...7 Ventilator Abtauen Kühlen Abtaufühler Regelfühler RS 485 DC NDO DO 1 2 4 3 12 7 5 2 3 4 1 8 9 1 2 4 3 9 8 4 E3 F2 Option Türkontakt Gerät Ein Aus Brücke 1 entfällt Licht Ein Aus Brücke 2 3 entfällt Option Störmeldung Parameter 30 auf 0 oder 2 setzen Brücke 2 3 entfallt Licht H1 kann nur über Türkontakt od bauseitigen Schalter betätigt werden X1 N L BAT PE X1 1 X1 X1 1 X2 1 X2 1 N1 X1 1 X1 1 1 2 ...

Page 21: ...rafo 230V 12V X1 X1 1 Klemmleiste Verdichter X2 X2 1 Klemmleiste Verdampfer X6 X6 1 Zusatzklemmen für Kundenanschluß ÜR HUCKEPACKGERÄTE BEDIENUNG AM GERÄT UND FERNBEDIENUNG 1 PE X1 PE X2 X2 K2M 9 Applies to Piggyback H operation at unit Piggyback HF with remote control Legend A2 remote control B1 sensor PTC cooling room B2 sensor PTC evaporator C1 compressor start up condenser C2 compressor operat...

Page 22: ...Kühlen Abtaufühler Regelfühler RS 485 DC NDO DO 1 2 4 3 12 7 5 2 3 4 1 8 9 1 2 4 3 9 8 1 2 3 4 1 2 6 3 4 1 2 10 11 4 2 PE 5 6 E3 H1 S3 F2 Option Türkontakt Gerät Ein Aus Brücke 1 entfällt Licht Ein Aus Brücke 2 3 entfällt Option Störmeldung Parameter 30 auf 0 oder 2 setzen Brücke 2 3 entfallt Licht H1 kann nur über Türkontakt od bauseitigen Schalter betätigt werden X1 N L BAT PE X1 1 X1 X1 X1 1 X1...

Page 23: ...h K lraumbeleuchtung 2 alter Kühlung 3 kontakt bauseits 0 Tr o 230V 12V 1 e peraturwächter 1 X1 1 Klemmleiste Verdichter 1 le 2 X2 K mmleiste Verdampfer Z a 5 X6 tzklemmen für K denanschluß CHALTPLAN FÜR DECKENGERÄTE MIT FERNBEDIENUNG 1 X1 1 12 K2M Applies to Integrated ceiling unit DF with remote control Legend A2 remote control B1 sensor PTC cooling room B2 sensor PTC evaporator C1 compressor st...

Page 24: ...er Abtaufühler Kühlen Abtauen Ventilator 12 24V AC DC X1 1 X1 1 2 1 2 230V 1Ph N 50Hz 1 x 16A 8 6 SCHALTPLAN FÜR SPLITGERÄTE BEDIENUNG AM GERÄT TAR 1309 Applies to Split S operation on unit Refrigeration controller TAR 1309 Fuse 16 A delay 2 4 2 6 6 8 2 7 6 7 8 9 1 0 2 1 3 4 5 X1 4 T0 230V 12V 2N 6 7 X3 X4 X5 3 2 3 2 1 1 4 5 X4 X5 X1 ...

Page 25: ... 4 1 9 1 8 1 7 1 6 1 5 1 4 1 3 1 2 1 1 1 0 9 8 7 6 36 35 38 37 3 1 30 29 28 27 Ventilator Abtauen Kühlen Abtaufühler Regelfühler RS 485 DC NDO DO 1 2 4 3 12 7 5 2 3 4 1 8 9 1 2 4 3 9 8 1 2 3 4 6 10 11 4 2 PE E3 H1 S3 F2 Option Türkontakt Gerät Ein Aus Brücke 1 entfällt Licht Ein Aus Brücke 2 3 entfällt Option Störmeldung Parameter 30 auf 0 oder 2 setzen Brücke 2 3 entfallt Licht H1 kann nur über T...

Page 26: ...dichter 2 X5 Klemmleiste Verdampfer A B2 F C C E1 E2 E3 E4 H K K2 S M1 M M N N P S S2 S T X1 X HALTPLAN FÜR SPLITGERÄTE BEDIENUNG AM GERÄT UND FERNBEDIENUNG 1 PE X1 PE 4 X2 X2 K2M X3 X3 2 3 9 PE PE X2 X3 PE 1 Applies to Split S operation at unit Split SF with remote control Legend A2 remote control B1 sensor PTC cooling room 1 compresso condenser 2 compres condenser ventilator condenser heatin hea...

Page 27: ...ion W Unit models GEKN 600 900 1200 1500 GEKT 501 Section A A Cell wall recess for wall installation Section A A Cell wall recess for saddle installation Ceiling insulation cooling cell Ceiling insulation cooling cell drainage hose for condensate Air flow Lights can be either left or right 27 ...

Page 28: ...3001 GEKT 701 1501 540 630 air flow unit GEK h mm N 2001 T 701 450 N3001 T1001 to T1501 515 lights can be either left or right drainage hose for condensate Ceiling insulation cooling cell Section A A Recess in cell wall for saddle installation Section A A recess in cell wall for wall installation 28 ...

Page 29: ...ing suspension Unit types GEKN 2001 3001 GEKT 701 1501 unit mounting suspension Model GEK b mm h mm N 2001 T 701 380 420 N3001 T1001 to T1501 450 485 air flow Pre filled connection lines and electronic connecting cables will be included in delivery if requested Standard length 5 m Lmax 10 m Line installation fixed 29 ...

Page 30: ...F 900 DF 1200 DF 1500 DF GEKT 501 DF 701 DF 30 cell ceiling remote control Unit types GEKN 2001 DF 3001 DF GEKT 1001 DF 1201 DF 1501 DF lights 5 m air flow recess cell ceiling 5 m recess cell ceiling lights remote control cell ceiling A 101 für GEKN DF A 121 für GEKT DF ...

Page 31: ...is 75 of the tubing volume Liquid filling in g per tube length see table The suction line is pre filled with a gaseous refrigerant pe 1 2 bar Type of refrigerant R134a for GEKN R404a for GEKT l evaporator side Suction line Material SF Cu F22 Tube diameter according to table Coupling half See table for size Tube connected by tape in intervals of 0 5 m Insulation flexible hose Fluids line Material S...

Page 32: ...bow covering condenser 20 drainage hose 21 drainage supports 22 hose connection nipple tank 23 switch light 24 switch ON OFF 25 complete lights 26 power relays 26 1 contactor 27 clamping box X1 28 power cable 29 evaporator fan 30 quarter turn lock 31 screw set 32 screws for ventilator 33 rubber bumper 34 tank heating element To order spare parts Please list the following items when placing a spare...

Page 33: ... ventilation plate evaporator 19 left side cover 20 right side cover 21 air chamber 23 switch On Off 24 fan cover 25 lights complete 26 power relays 26 1 contactor 27 terminal box X1 28 power cable 29 evaporator fan To order spare parts Please list the following items when placing a spare part order Your Unit model for example GEKN 900 DF The serial number of your unit The number and description o...

Page 34: ...19 EG Declaration Of Confirmity 34 ...

Page 35: ...ution office during the regular business hours We will help you with all questions concerning RIEDEL integrated refrigeration units and be happy to transfer the service request to our service partner Distribution office RIEDEL Telephone 49 9221 709321 Fax 49 9221 709549 Please report malfunctions immediately so the authorized customer service can fix the problem quickly Cold storage rooms cooling ...

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