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Operating manual for melting and 
tempering machines, type 2T70 & 2T130 
 

 

Version 2019-1 

 

 

Content 

 
Introduction .................................................................................................................................... 3

 

Safety ............................................................................................................................................. 3

 

Electrical connection .................................................................................................................. 4

 

Connection of water. ................................................................................................................... 4

 

Start of the machine .................................................................................................................... 4

 

Safety thermostat ........................................................................................................................ 5

 

Safety switch in lid ..................................................................................................................... 5

 

Operation ........................................................................................................................................ 6

 

Heating thermostat ...................................................................................................................... 7

 

Cooling thermostat ...................................................................................................................... 7

 

Operating instructions .................................................................................................................... 8

 

Set-points .................................................................................................................................... 8

 

Melting ........................................................................................................................................ 9

 

Tempering ................................................................................................................................... 9

 

Daily use ................................................................................................................................... 10

 

Automatic cut of ....................................................................................................................... 10

 

The effect of the water temperature on the tempering .............................................................. 10

 

Cleaning and maintenance ........................................................................................................... 11

 

Cleaning .................................................................................................................................... 11

 

Maintenance and repair ............................................................................................................. 11

 

Appendix 1: Wire diagram ....................................................................................................... 12

 

Appendix 2: Spare part list ....................................................................................................... 13

 

Appendix 3: Water connections ................................................................................................ 14

 

 

Summary of Contents for 2T130

Page 1: ...Operating manual for melting and tempering machines type 2T70 2T130 Version 2019 1 1 Operating manual for melting and tempering Machines type 2T70 2T130 ...

Page 2: ... thermostat 5 Safety switch in lid 5 Operation 6 Heating thermostat 7 Cooling thermostat 7 Operating instructions 8 Set points 8 Melting 9 Tempering 9 Daily use 10 Automatic cut of 10 The effect of the water temperature on the tempering 10 Cleaning and maintenance 11 Cleaning 11 Maintenance and repair 11 Appendix 1 Wire diagram 12 Appendix 2 Spare part list 13 Appendix 3 Water connections 14 ...

Page 3: ...temperature of app 32 0 C ready for use Alternatively the chocolate is already melted to a temperature of app 45 0 C immediately before it is filled into the tempering machine and then only needs to be tempered The above mentioned temperatures levels must be considered as examples the exact temperatures are determined by the operator Safety This manual must be read in full before the tempering mac...

Page 4: ... valve controls the water flow and thus the cooling of the chocolate The water jacket must always remain full To prevent accidental draining there is only one drain plug at the bottom of the machine In case of the water jacket is drained the heating elements must not be turned on Start of the machine The temperer is controlled by an automatic system It is important to follow this start up procedur...

Page 5: ...e is now ready for operation once the thermostats are programmed NOTE In case of the water jacket is drained the heating elements must not be turned on Safety thermostat The tempering machine has two kinds of thermostats operation thermostats which controls melting and tempering of the chocolate and a safety thermostat which prevents the chocolate from being over heated In the event of a thermosta...

Page 6: ...els Melting temperature e g 45 0 C Cooling temperature e g 29 0 C Finished chocolate temperature e g 32 0 C 1b light indicator shines green when heating system is turned on 1c light indicator shines yellow when heating elements are heating 2b light indicator shines blue when cooling system is turned on 2c push for start of tempering 2a cooling thermostat 2d push for manual water inlet 1a heating t...

Page 7: ...d temperature The set point temperature is set by using the arrow keys up down to increase or decrease the set point Cooling thermostat The cooling thermostat controls the flow of cooling water during the cooling process based on the actual temperature of the chocolate The required temperature of the chocolate set point is shown with the smaller green figures The actual temperature is shown with t...

Page 8: ...chocolate in the vessel have a uniform temperature Depending of the temperature of the cooling water this delayed cooling may be as much as 1 0 to 3 0 degree C In practise it means that if cooling temperature of 28 0 C is needed then the thermostat is as a start set at e g 30 0 C When the chocolate temperature gets close to 30 0 C watch the display at the cooling thermostat Note the lowest tempera...

Page 9: ...during the tempering process the rotation of the stirrer will stop Press button 2c and the stirrer will start again When the chocolate is totally melted at the temperature 45 0 C and tempering is required the procedure is as follows 1 Set Heating Thermostat 1a to 31 C 2 Set cooling thermostat 2a to 32 C Water cooling temperature will be 12 16 C 3 Press black button 2c 4 The following will take pla...

Page 10: ...electrical failure or if the stirrer motor is overloaded the motor will will automatically be cut out and a red warning light 4d will turn on for app 1 minute As long as this light is on the motor cannot start The stirrer is protected from abrupt overloading by a tapered shear pin in the motor shaft This can easily be replaced and a spare shear pin is delivered with your new machine The effect of ...

Page 11: ...ond year service must be made to motor and gearbox Motor Fill half of bearing cage with special bearing grease Clean for dust and dirt Gear box The gear box is filled with food grade oil ISO VG 220 Model 2T70 400 ccm model 2T130 700 ccm Change gear oil Synthetic oil will double period of life don t mix synthetic and mineral oil Clean for dust and dirt The need for maintenance and repair will be ve...

Page 12: ...Operating manual for melting and tempering machines type 2T70 2T130 Version 2019 1 12 Appendix 1 Wire diagram Stirrer Main heating element Solenoid valve Heating discharge drain LC ...

Page 13: ...h button red 108 4d Control lamp red 109 5 Main switch on off 110 T1 Heating thermostat 111 S1 Heating thermostat sensor 112 T2 Cooling thermostat chocolate termometer 113 S2 Cooling thermostat sensor 114 Mag solenoid valve for cooling water 115 M Gear motor unit for 2T70 116 M Gear motor unit for 2T13 117 C1 Relay for motor 118 T1 Thermo relay for motor 119 C2 Heating relay 120 D1 Control relay 1...

Page 14: ...ng machines type 2T70 2T130 Version 2019 1 14 Appendix 3 Water connections Important Important Important The water outlet tap MUST not be closed It MUST always stay open The inner diameter of the connecting tubes have to be at least 18 mm 3 4 ...

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