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Installation, Operation and Maintenance Instructions

400°C Clean Room Oven - HTCR Model: 28 Litres
No Controller

HTCR 4/28 + No Controller

MEN-HTCR4028-05_NOCTRL

(

09-01-2019

)

Содержание CARBOLITE GERO HTCR 4/28

Страница 1: ...Installation Operation and Maintenance Instructions 400 C Clean Room Oven HTCR Model 28 Litres No Controller HTCR 4 28 No Controller MEN HTCR4028 05_NOCTRL 09 01 2019 ...

Страница 2: ...7 3 0 Temperature Controller 9 4 0 2132 Over Temperature Controller Description if fitted 10 4 1 Description 10 4 2 Operation 10 4 2 1 Controls 10 4 2 2 Operation 11 4 2 3 Over Temperature Operation 11 4 2 4 Over Temperature Alarm 11 4 2 5 Resetting the Over Temperature Alarm 11 4 2 6 Sensor Break 11 4 3 Audible Alarm 12 4 4 Navigation Diagram 12 5 0 Operation 13 5 1 Operating Cycle 13 5 2 Over Te...

Страница 3: ... Controller Replacement 19 7 4 Solid State Relay Replacement 20 7 5 Thermocouple Replacement 20 7 6 Element Replacement 20 7 7 Fuse Replacement 21 8 0 Fault Analysis 22 A Oven Does Not Heat Up 22 B Oven Overheats 22 9 0 Wiring Diagrams 23 9 1 WV 11 01 23 9 2 WS 10 01 Isolating for 208 V version only 24 10 0 Fuses and Power Settings 25 10 1 Fuses 25 10 2 Power Settings 25 10 3 Fuses 25 10 4 Power S...

Страница 4: ... 5 for full details Variable speed fan if fitted see section 5 6 for full details Exhaust fan if fitted see section 5 7 for full details 1 2 General Warnings DANGER Electric shock Read any warning printed next to this symbol WARNING Risk of fatal injury DANGER Hot surface Read any warning printed next to this symbol WARNING All surfaces of a product may be hot DANGER Read any warning printed next ...

Страница 5: ...Caution Double Pole Neutral Fusing 5 1 0 Symbols and Warnings ...

Страница 6: ... fitted in the top of the case whilst others may have welded on lifting eyes NOTE This product contains Refractory Ceramic Fibre also known as Alumino Silicate Wool ASW For precautions and advice on handling this material see section 7 2 2 2 Siting and Setting Up Place the product on a level surface in a well ventilated area Site away from other sources of heat and on a non flammable surface that ...

Страница 7: ...ooling fans if fitted are clear of any obstruction 2 3 Electrical Connections Connection by a qualified electrician is recommended This product requires a single phase A C supply with earth ground which may be Live to Neutral non reversible polarised Live to Neutral reversible non polarised or Live to Live Check the product rating label before connection The supply voltage should agree with the vo...

Страница 8: ...ade to the internal terminals If the product is to be connected by line plug The plug should be within reach of the operator and should be easy to remove When connecting the product to an isolating switch ensure that both conductors single phase or on all live conductors three phase and should be within reach of the operator The supply MUST incorporate an earth ground Supply Terminal Label Cable C...

Страница 9: ...3 0 Temperature Controller If this product is fitted with a temperature controller instructions are provided separately 9 3 0 Temperature Controller ...

Страница 10: ...strument switch which cuts off power to the controller and other parts of the control circuit To operate the controller power must be supplied to the product and the instrument switch must be on If a time switch is included in the product circuit this must be in the ON position When an over temperature condition occurs the controller cuts the power to a contactor which in turn cuts power to the he...

Страница 11: ...perature set at 15 C above the furnace or oven maximum working temperature Press scroll twice view the present temperature as measured by the over temperature controller Press it twice the first press shows the temperature units C 4 2 4 Over Temperature Alarm If an over temperature condition occurs the OP2 indicator flashes and an alarm message 2FSH also flashes alternating with the setpoint Power...

Страница 12: ...erature condition and to stop sounding when the alarm is acknowledged as given in section 4 2 Note the alarm may sound during controller start up 4 4 Navigation Diagram HL Home List Page Key Black Progress OTSP Over Temperature Setpoint Scroll Key Dashed Through to other options AL Access List For factory access to list and parameters not available to the operator 12 ...

Страница 13: ...rrect the cause before resetting the over temperature controller according to the instructions supplied To switch the product off turn off the instrument switch If the product is to be left unattended isolate the electricity supply DO NOT switch off if the temperature is above 100 C damage could be caused to the fan and motor Adjust the controller to allow the temperature to fall 5 2 Over Temperat...

Страница 14: ...ation fan circuit A panel mounted rotary dial is used to control the speed Please note that there is a minimum setting at which the fan motor starts up when the product is switched on It is recommended that the speed of the fan is not set below 50 as there would be very little air flow around the chamber and also risk overheating the fan motor 5 7 Exhaust Fan if fitted To operate the exhaust fan u...

Страница 15: ...he displayed temperature and check for an over temperature alarm as detailed in this manual Over Temperature Safety Circuit if fitted Electrical measurement Door Seal Visual inspection check for splits or fray ing Door Seal Replacement Air Vent Check and clean if necessary Electrical Safety external Visual check of external cables and plugs Electrical Safety internal Physically check all connectio...

Страница 16: ...ing Circulating Fan if fitted Visual check to see if it is running Circulating Fan if fitted Check bearings and replace if necessary Element Circuit Electrical measurement Power Consumption Measure the current drawn on each phase circuit Shelves Visual check for fit and damage 16 ...

Страница 17: ...ve maintenance of furnace and oven products both at the Carbolite Gero factory and at customers premises throughout the world A telephone call or email often enables a fault to be diagnosed and the necessary parts to be despatched In all correspondence please quote the serial number and model type given on the rating label of the product The serial number and model type are also given on the back ...

Страница 18: ...the supply voltage may be outside the range 220 240 V or the 3 phase equivalent the power limit parameter may be set to a value other than 100 Do not increase the value to 100 see section 10 0 for details of power limit settings 18 ...

Страница 19: ...ered during maintenance or repair Whilst there is no evidence of any long term health hazards it is strongly recommended that safety precautions are taken whenever the materials are handled Exposure to fibre dust may cause respiratory disease When handling the material always use approved respiratory protection equipment RPE eg FFP3 eye protection gloves and long sleeved clothing Avoid breaking up...

Страница 20: ...mber and pull the thermocouple into the chamber Cut through the thermocouple behind the olive and remove the two parts Loosely assemble compression fitting with a new ferrule Feed in new thermocouple through from the back Tighten the compression fitting Refit the air guide Bend the thermocouple to match the shape of the previous part and refit any clips Refit the element access panel Compression f...

Страница 21: ...the panel as explained in Panel Removal section Depending on the model supply fuses and control circuit fuses may be mounted in their own holders or may be on a circuit board that contains an EMC filter The fuses are marked with their ratings Take care not to disconnect the wires leading from the EMC filter without first recording their positions they must be reconnected to the correct terminals 2...

Страница 22: ...faulty controller There are no lights glowing on the controller The controller may be faulty or not receiving a supply due to a faulty switch or a wiring fault B Oven Overheats 1 Oven only heats up when the instrument switch is ON The controller shows a very high temperature The controller is faulty The controller shows a low temperature The thermocouple may have been shorted out or may have been ...

Страница 23: ...L Filter SW Instrument Switch R1 Relay Coil R1 1 R1 2 Relay Contactor C Temperature Controller OT Over Temperature Controller TC Thermocouple SSR Solid State Relay EL Element s If Fitted L Live N Neutral PE GR Y Earth Green Yellow 23 9 0 Wiring Diagrams ...

Страница 24: ...o the desired operating range for the controller and other components The supply voltage as shown is taken from a single phase supply or from the phase to phase voltage of a 3 phase supply The instrument circuit is modified as follows Key F1 F2 Fuses FIL Filter if fitted TX Transformer SW Instrument Switch N Neutral L1 Live PE Earth 24 ...

Страница 25: ... Settings The power limit settings parameter OP Hi for this model are voltage dependant The figures represent the maximum percentage of time that controlled power is supplied to the elements Do not attempt to improve performance by setting a value higher than the recommended values To adjust the parameter refer to the Changing the Maximum Output Power of the control section of the manual Volts 208...

Страница 26: ...e power limit settings parameter OP Hi for this model are voltage dependant The figures represent the maximum percentage of time that controlled power is supplied to the elements Do not attempt to improve performance by setting a value higher than the recommended values To adjust the parameter refer to the Changing the Maximum Output Power of the control section of the manual Volts 208 V 220 V 230...

Страница 27: ... Gero reserves the right to change the specification without notice Model Max Temp C Max Power kW Chamber Size mm Approx Capacity l Net Weight kg H W D Industrial High Temperature Ovens HTCR 4 28 400 1 305 305 305 28 62 11 1 Environment The models listed in this manual contains electrical parts and should be stored and used in indoor conditions as follows Temperature 5 C 40 C Relative humidity Max...

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Страница 29: ...Notes Service Record Engineer Name Date Record of Work ...

Страница 30: ... us at the address below or ask your nearest stockist For preventive maintenance repair and calibration of all furnace and oven products please contact Carbolite Gero Service Telephone 44 0 1433 624242 Fax 44 0 1433 624243 Email ServiceUK carbolite gero com Carbolite Gero Ltd Parsons Lane Hope Hope Valley S33 6RB England Telephone 44 0 1433 620011 Fax 44 0 1433 621198 Email Info carbolite gero com...

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