Totech U7002 Operation Instructions Manual Download

Page: 13 / 15

Repairs

Repairs should only be carried out by Totech service mechanics or relative-skilled personnel.

Failures

Faults

Cause of fault

Action

Humidity too high



Air mixture too low



Door open



Door contact not open



at least 1 Ventilator failure



Correction of air mixture



Check air filter, exchange if
necessary



Check door contact, exchange if
necessary



Ventilator exchange



Check electrical components

acc. circuit diagram

No report



Apparatus switched off



Mains switch in cold apparatus
element switched off



Main fuse gone



Use ON-key on display



Check electrical components acc.
circuit diagram

Fuses
Steering tension



Fuses gone



Exchange of fuses



Check electrical components
acc.circuit diagram

Report „Sensor failure“



Sensor gone



Exchange Sensor

Rotor drive



Drive motor gone



Exchange drive motor



Check electrical components
acc.circuit diagram

Summary of Contents for U7002

Page 1: ...Operation Instructions U7002 and U7003 with control device U7100 ...

Page 2: ...ir dehumidifier in a safe way This operation manual in particular the safety instructions should be met by all persons who operate the air dehumidifier In addition the rules and instructions for the working place to prevent accidents should be met Obligation of the Operator The operator is obliged to have only persons operate the air dehumidifier who are familiar with the relevant instructions on ...

Page 3: ... will not be liable Air dehumidifiers should not be put up in liquids or suck up liquids f i full tanks or flooded surfaces etc The operation in and or with explosion sensitive atmosphere is permitted for RL 94 9 EG Atex 95 marked apparatuses The owner is obliged to check the ability of deployment of the air dehumidifier in accordance with the RL 1999 92 EG Atex 137 To use in accordance with its o...

Page 4: ...r Without written authorization of Totech Europe Ltd no changes building on or adding to especially welding work on carrying parts of the dehumidifier should be made Only original parts should be used because otherwise no functional and safe operation is guaranteed Cleaning of the dehumidifier and storage of waste Substances and materials used should be applied and stored as waste in an expert way...

Page 5: ...0 C at 60 r H With diminishing relative humidity the process air and or increasing relative humidity of the regeneration air the dehumidifying performance is affected negatively A The air dehumidifier should only be used with surrounding temperatures between 20 C und 40 C B The temperature of the process air sucked up should at most be 40 C and the temperature of the regeneration air should at lea...

Page 6: ...humidity is adsorbed with the silicagel rotor Picture 1 Way of operation U 7002 U 7003 During rotation the rotor passes through two sectors Regeneration D and Process A The bigger Process Air current P is dehumidified in the Process Sector Adsorbtion The smaller Regeneration Air current R is heated by the Heater 5 to remove the adsorbed water by silicagel in the Regeneration Sector Desorbtion R 3 ...

Page 7: ...on of the vapour possible and offers the extremely high adsorption capacity of the silicagel rotor The special construction of the rotor material brings about that the silicagel is not interfered by saturated air f i because of a failure of the heater or the regeneration air or with a stagnation of the rotor Through this the air dehumidifier can also be used with saturated air Through the fixed co...

Page 8: ...ressure indication serves the optical check of the present differential pressure on the filter It is fitted as a mechanical manometer and does not need an extra energy Logic module The apparatus has been provided with a free programmable logic module which has been installed in the U 7100 This will take over the steering the adjustment of the regeneration air temperature and the function guarding ...

Page 9: ... fresh air B Way of putting uo outside the room to be dehumidified The apparatus can be connected in regenerated air or fan air operation Herewith a connection should be put up for the dried air to the dehumidifying room Here also applies that with regenerated air the regenerated part is to be compensated with fresh air The apparatus has been constructed in such a way that the air channels as well...

Page 10: ...pprox 1 h The unit can be stopped by pressing the ON key on the display 6 Adjusted values By pressing the SET key for some time you will get to the adjustment menu Here you can carry out the adjustments by means of the and keys By pressing the SET key for a short time you will get to the following adjustment menus succesively Humidity Humidity alarm Delayed alarm Temperature for optional heating L...

Page 11: ...now protected from unintentionally changing of the parameter If you want to change the adjusted values both keys should be pressed for 5 seconds till the report Released shows up Now you will have full access to all functions again 9 Calibration To calibrate the drying unit we recommend 2 ways a Exchanging the sensor for a functional calibration sensor The insertable sensor can simply be changed a...

Page 12: ...nection can be separated The installation takes place in reverse order Changing of the filter The periods between filter change depend on the degree of pollution of the air and the quality of the filter Filthy filters affect the performance of the air dehumidifiers Therefore they should be checked once a week and when filthy be exchanged However it is recommended to check and exchange the filter a...

Page 13: ... contact exchange if necessary Ventilator exchange Check electrical components acc circuit diagram No report Apparatus switched off Mains switch in cold apparatus element switched off Main fuse gone Use ON key on display Check electrical components acc circuit diagram Fuses Steering tension Fuses gone Exchange of fuses Check electrical components acc circuit diagram Report Sensor failure Sensor go...

Page 14: ...licagel which causes loss in performance Nr Substancies chem Formula Effects 1 Lithiumchloride LiCl Decrease in performance of the silicagel 1 2 Natriumhydroxide NaOH Disruption of the silicagel structure 3 Kaliumhydroxide KOH Disruption of the silicagel structure 4 Natriumchloride NaCl Decrease in performance of the silicagel 1 5 Kaliumchloride KCl Decrease in performance of th silicagel 1 6 Kalz...

Page 15: ...ilicagel 1 6 p Xylen C6H4 CH2 2 Decrease in performance of the silicagel 1 7 Phenol C6H5OH Decrease in performance of the silicagel 1 8 O dichlorobenzen C6H4CL2 Decrease in performance of the silicagel 1 9 Methylbromide CH3Br Decrease in performance of the silicagel 1 10 Glycerin C3H8O3 Decrease in performance of the silicagel 1 Obs 1 Decreases the internal pore surface of the silicagel which caus...

Search results

Summary of Contents for U7002

Reviews:

Related manuals for U7002

Brands by name

Popular brands

Totech U7002, Operation Instructions Manual

Search results

Summary of Contents for U7002

Reviews:

Related manuals for U7002

Brands by name

Popular brands