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GB

General notice (liability): the details of this technical documents serve for description. Consents regarding the availability of certain features or 
regarding a certain purpose always require a special written agreement.

Page 21 GB 

9 - 9.1

 

 

Right reserved to make technical changes!

9. Drawings

9.1  Schematics of the refrigeration circulation

1  

Compressor

2  

Pressure lead

3  

Hot gas U-pipe in defrost water pan

4  

Condenser

5  

High pressure switch

6  

Heat exchanger

7  

Drier

8  

Thermal expansion valve

9  

Evaporator

10   Suction pipe
11   Coldroom

1

2

3

4

5

6

7

8

9

10

11

Summary of Contents for CT 0900

Page 1: ...6008521 01 GB Work on the refrigeration unit is only permitted when the plug is disconnected from the power supply The unit must be protected from reactivation using suitable warning signs Regulation...

Page 2: ...supply of the coldroom 6 1 Connecting the door contact switch 6 2 Connection of the fault warning contact 6 3 Connection to the power supply and activation 7 Controls 7 1 Normal operation 7 2 Input of...

Page 3: ...non attention to the directions for assembly operation and maintenance or from improper changes or repairs to the equipment by the buyer or third parties or resulting from parts supplied by other comp...

Page 4: ...t with the ceiling cut out enclosure insulation housing and the machine part of the ready wired refrigeration unit 2 6 Unpacking and handling Prior to and during unpacking a visual check should be mad...

Page 5: ...d by another one ensure that the pipe connectors on the unit are not damaged such that refrigerant could escape Defective refrigeration units or refrigerant removed from the device must be disposed of...

Page 6: ...agreement Page 6 GB 4 Right reserved to make technical changes Place the enclosed neoprene dowels M4 in the 8mm drill holes Assemble the evaporation fan unit on the inside plating so that the exhaust...

Page 7: ...section of the refrigeration unit up to the ceiling of the coldroom and position it on the cutout section such that the insulating wall of the unit is approx 10mm over the frame and the distance betwe...

Page 8: ...rews such that the angled plate is pointing in the direction of the fan and is lying on the defrost water pan Plug in the 4 pole plug of the electrical connection located between evaporator and separa...

Page 9: ...control is supplied by the first unit If the power for this unit is switched off the next unit takes over 5 Drainage of defrost condensation The refrigeration units have an integrated condensation wa...

Page 10: ...1 Parameter List 6 2 Connection to the fault indicator The regulator has a potential free fault indicator to be connected to such a system at the site Max 10A 230 VAC In case of fault the contacts C...

Page 11: ...he room temperature is shown again By pressing the Stop Start Enter button the unit can be switched off or on again In the switched off state the display shows OFF If in the switched off state the two...

Page 12: ...01 7 2 1 Entering temperature setting After entering the password select Parameter P02 Display will read SL t press Enter button and current temperature setting will be shown in C The setting can be c...

Page 13: ...tering the password select parameter P06 press the Enter button and the language setting will be shown d German gb English f French The setting can be changed using the or the button 7 2 5 Control Loc...

Page 14: ...receiver is connected Current time h P10 P10 P10 P10 Std 0 23 Current time Min P11 P11 P11 P11 Min 0 59 Defrosting Time 1 P12 t 01 t 01 t 01 hh m x10 00 0 23 5 Defrosting Time 2 P13 t 02 t 02 t 02 hh...

Page 15: ...ing the plug A short deactivation of the refrigeration unit can be initiated by pushing the Start Stop button StandBy Mode The refrigeration unit and the other users connected to it are still connecte...

Page 16: ...et cycle times but dependent on running time of compressor x2 dependent on set switch on times only with DCF Antenna x3 defrosting as required 0y Defrost Start door contact switched off 1y Defrost Sta...

Page 17: ...op time compressor next to last cycle hours hours P63 Stop time compressor next to last cycle min minutes P64 Stop time condenser third to last cycle hours hours P65 Stop time condenser third to last...

Page 18: ...ing break minutes P86 Calibration of room sensor K 20 20 P87 Calibration of evaporator sensor K 20 20 P88 Calibration of condenser sensor K 20 20 Regulator parameters access if P01 factory password P9...

Page 19: ...of the compressor is set to 0 When the running time of the compressor reaches the value entered in P03 defrosting is initiated Defrosting is completed when the evaporator temperature exceeds the value...

Page 20: ...ntil the power supply to the unit is switched off and switched on again 8 2 3 Setting the parameters for the speed control The rotational speed control is set using the parameters P46 P49 In parameter...

Page 21: ...always require a special written agreement Page 21 GB 9 9 1 Right reserved to make technical changes 9 Drawings 9 1 Schematics of the refrigeration circulation 1 Compressor 2 Pressure lead 3 Hot gas U...

Page 22: ...ptional serial interface RS232 included in systems supplied with remote control TxD 3 2 9 5 Romm sensor Condenser sensor optional Evaporator sensor Temperature sensors PT 1000 External fault in dicato...

Page 23: ...12V 3 3 5 5 9 F2 80mA Tr R1 K3 K1 K2 K5 R9 R8 R11 R10 KM KM E6 7 9 A1 A2 4 6 GND RF VD VF PE Profile Netfilter Power supply plug Compressor 4 pin plug for coldroom Evapotator fan Evaporatorfanr 2 for...

Page 24: ...BIn case of stoppage or fault in the regulator the refrigeration unit can continue to operate in emergency mode The emergency switch is on the left side of the electronics box It can be activated with...

Page 25: ...ressing either the or button the coldroom temperature will be shown again The temperature alarm will go off if the temperature setting exceeds the value entered in P43 If the temperature is still too...

Page 26: ...peration switch activated See 10 2 Emergency operation Fault Code E11 EEPROM Fault Fault on the regulator If power supply has failed the parameter settings may have changed By pressing or the display...

Page 27: ...nt Page 27 GB 11 Right reserved to make technical changes 11 Scale Drawings 890 980 370 470 47 5 45 42 5 46 405 450 570 740 655 833 500 450 480 440 117 117 437 5 485 42 5 46 Unit fits snugly to ceilin...

Page 28: ...ology Thermostatic injection valve Defrosting Electric Power usage defrostheating W 650 800 650 800 Refrigerant R404A Volume of refrigerant kg 0 85 1 2 1 3 1 3 1 6 1 15 1 4 1 5 2 0 Switch off point Pr...

Page 29: ...rpose always require a special written agreement Page 29 GB 12 Right reserved to make technical changes Powerdiagramm CT Units ambient temperature 32 C 0W 500W 1000W 1500W 2000W 2500W 3000W 3500W 5 0...

Page 30: ...of certain features or regarding a certain purpose always require a special written agreement Page No 00044224 08 GB Viessmann K hlsysteme GmbH Schleizer Stra e 100 D 95030 Hof Saale Telefon 49 9281...

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