Unical DIATHER 1160 Instructions On Installation, Use And Maintenance Download Page 27

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Maintenance instructions

Fault

Overheating of the circulation pump motor
(excessive strain).

Oil overflowing from expansion vessel.

Remedy

- check that the electrical consumption of the motor, in particular

that the power absorbed by the pump, is correct;

- check the joint alignment.

- check the initial cold start level;
- check that the expansion vessel capacity is sufficient for the

system.

Summary of Contents for DIATHER 1160

Page 1: ...INSTRUCTIONS ON INSTALLATION USE AND MAINTENANCE DĨATHER ...

Page 2: ...in C Pressione di prova Serpentino bar Data di prova idrostatica Max Design Coil Pressure Max Allowable Temperature Min Allowable Temperature Hydraulic Test Pressure Coil Hydraulic Test Date Superficie riscaldata m Volume Totale V I Heating Surface Total Volume DIATHER Categoria di Rischio Category Gruppo Fluido Group Fluid 1 Olio Diatermico 1 Diathermic Oil Via Roma 123 46033 Castel d Ario Mantov...

Page 3: ...1 3 3 Supply conditions 12 3 4 Handling 12 3 5 Positioning in boiler room 13 3 6 Hydraulic system features and connections 14 3 7 Fuel supply 15 3 8 Connection to the flue 15 3 9 Burner assembly 16 3 10 Furnace door adjustment opening closing 17 3 11 Electrical connections 17 3 12 Electric control board 18 3 13 Commissioning 20 3 14 Start up and subsequent checks 22 3 15 System stop 22 3 16 Instru...

Page 4: ...dertaking any maintenance carefully read the instructions and proce dures contained in this manual they provide important information regarding the safety of the system and the safety of persons ATTENTION Incorrect installation inadequate use and maintenance of the appliance can cause damage to persons or property for which the MANUFACTURER is not liable CAREFULLY READ AND FOLLOW THE IN STRUCTIONS...

Page 5: ...gas can cause fatal intoxica tion Switch off the system Ventilate the place of installation Interventions on the system Close the fuel shut off valve and make sure that it cannot be opened accidentally Disconnect the system supply voltage e g acting on the individual switch or on the main switch and make sure that voltage is disconnected Make sure that it cannot be switched on again Attention Any ...

Page 6: ...00 C with a thermal gradient of 40 C between oil inlet and outlet NOTE The DĨATHER boilers are CE marked accord ing to Directive 2014 68 UE category I Weld ing procedures and devices are approved and certified according to Standards EN 15614 EN287 and UNI EN ISO 9606 The design does not take account of fatigue stress nor of damage due to earthquake or other natural events The DĨATHER model diather...

Page 7: ...rate carefully follow its manufacturer s instructions provided with the generator documentation Following the intervention restore the pressure switch at a pres sure of 0 3 bar higher than the calibration fixed differential WORK AND SAFETY THERMOSTATS N 1 Safety thermostat placed on the flow pipe which locks out the generator in case the operating temperature is exceeded T alarm 300 C N 1 Thermore...

Page 8: ...nnection pipe to the expansion vessel must be free of shut offs must be such to prevent convective motions of the oil must not be insulated DIATHERMIC OIL COLLECTION TANK It is a simple container with a higher capacity than the total of the system It must be placed outside the boiler room preferably outdoors and in ventilated premises protected from rain in pit below ground level not buried on flo...

Page 9: ...00 260 700 1260 2480 1520 800 1270 1060 780 728 416 65 20 300 280 930 1370 3170 1620 900 1500 1160 840 808 436 80 20 350 280 1160 1540 3350 1790 1000 1780 1320 920 940 450 100 25 350 280 1500 1670 3630 1930 1100 1850 1440 1000 1050 475 100 25 400 320 1900 1670 3810 1930 1100 2100 1440 1000 1050 475 125 25 400 320 2300 1840 4170 2110 1200 2400 1580 1080 1210 475 125 25 450 360 2900 2200 4490 2460 1...

Page 10: ... 0 14 8 19 2 21 2 22 4 31 8 44 2 54 6 59 0 72 8 102 2 104 4 156 4 189 6 Coil Volume Volume Serpentino l 40 84 130 232 245 201 285 518 639 692 853 1592 1629 2464 2970 Max Coil Design Pressure Pressione Max amiss Serpentino PS bar 10 Max Design Temperature Temperatura Max amiss TSmax C 300 Working Temperature Temperatura di lavoro TS C 280 Coil Test Pressure Pressione prova serpentino PT bar 25 Comb...

Page 11: ...rding to good practice rules 3 2 INSTALLATION STANDARDS It must be installed by a professionally qualified technician who shall assume the responsibility of respecting all local and or national laws published in the official journal as well as applicable technical standards 3 INSTRUCTIONS FOR INSTALLATION 3 1 GENERAL WARNINGS ATTENTION The generator is intended solely for the use for which it was ...

Page 12: ...amage during transport or handling For their assembly refer to the instructions supplied with the documentation provided with the generator itself 3 4 HANDLING The DĨATHER generators are equipped with lifting eyebolts Pay attention to handling and use equipment suitable to their weights the ropes between the eyebolts and the hook must be sufficiently long to not be inclined more than 45 from the v...

Page 13: ... the front of the generator verify that with the door open at 90 the distance between the door and the adja cent wall is at least equal to the length of the burner b On the two sides of the generator 0 80 m reduced to 0 60 m if the generator is next to a wall or to another generator and no accessory or control is provided in the passage c On the back of the generator 0 80 m d From the upper part o...

Page 14: ... this means that from the room temperature 20 C to a work temperature of 270 C ten metres of pipes stretch by 30 mm If not compensated the expansions cause tremendous efforts on the system components The way to compensate the expansions depends on the sys tem itself if it is compact without long straight sections and full of bends it could be considered auto compensated if it is extended and with ...

Page 15: ...ins normally the need for them to work in conditions of depression and this requires an adequate sizing The need for depression on the chimney is justified by safety reasons to avoid smoke filtrations in room where for any rea son there is no tightness The lifting force of hot gas must overcome the chimney resist ance and of the connection duct to the generator while the load losses of flue gas th...

Page 16: ...urnace otherwise com bustion anomalies may occur with the risk of seriously damaging the generator If the burner is provided with air intake connect it with a rubber hose to the intake on the flame indicator in this way the glass will remain clean If the cooling tube is not connected to the warning light it could cause the blackening and breaking of the sight glass If the burner is without air int...

Page 17: ... 3 11 ELECTRICAL CONNECTIONS General warnings Have the electrical system checked by per sonnel professionally qualified according to law attesting the adequacy of the electrical system to the power loads absorbed by the generator of the earthing system of the cables of a multi pole switch installed outside the boiler room pursuant to current legislation easy to access so as to make any maintenance...

Page 18: ...Y PLAN RESET RESET ALLARME LIVELLO MIN OLIO ALARM MIN LEVEL OIL RESET RESET ALLARME CIRCOLAZIONE OLIO ALARM OIL CIRCULATION RESET ALLARME TEMPERATURA OLIO ALARM TEMPERATURE OIL RESET TACITAZIONE SIRENA SILENCING BUZZER EMERGENZA EMERGENCY SIRENA BUZZER BLOCCO BRUCIATORE BURNER BLOCK FIAMMA BRUCIATORE BURNER FLAME ALIMENTAZIONE BRUCIATORE OFF ON BURNER SUPPLY POMPA OLIO CARICAMENTO OIL LOADING PUMP...

Page 19: ...CK 10 BUZZER 11 EMERGENCY 13 CIRCULATION PUMP 1 ON 14 CIRCULATION PUMP 1 START OFF STOP START The pump starts running and gives consent to the burner OFF The pump stops running when the oil s temperature falls below of the minimum set temperature STOP The pump stops running immediately 15 POWER ON 17 ALARM THERMAL PUMPS 18 ALARM SAFETY PLAN RESET 19 ALARM MIN LEVEL EXPANSIONS OIL TANK RESET 20 OIL...

Page 20: ...on line compliant with the applicable standards in force Are the ventilation conditions and minimum distances to perform any maintenance guaranteed Are the refractory coverings intact is the furnace free of foreign bodies has the door been tightened correctly is the burner assembled according to the instructions in the manufacturer s manual and has the burner blast tube infill been performed corre...

Page 21: ...tes the remaining air pockets and removes the coarse dirt inside the circuit which stop in the filter Do this until the air is completely bled After switching off disassemble the filters and clean the bas kets During filling continuously and thoroughly monitor the system to check for leaks in or der to avoid unnecessary waste and imme diately take steps without as far as possi ble having to empty ...

Page 22: ...irculation pump must remain in motion until the oil temperature drops below 150 C ATTENTION After calibrating the burner check that the flame does not touch the bottom of the coil otherwise the cement may be damaged in a short time compromising the smooth operation of the generator Check that the burner flame is centred in the furnace without touching the sides of the coil otherwise cracking may o...

Page 23: ...ERATURE TEMPERATURA RITORNO OLIO OIL RETURN TEMPERATURE RESET ALLARME SICUREZZE IMPIANTO ALARM SAFETY PLAN RESET RESET ALLARME LIVELLO MIN OLIO ALARM MIN LEVEL OIL RESET RESET ALLARME CIRCOLAZIONE OLIO ALARM OIL CIRCULATION RESET ALLARME TEMPERATURA OLIO ALARM TEMPERATURE OIL RESET TACITAZIONE SIRENA SILENCING BUZZER EMERGENZA EMERGENCY SIRENA BUZZER BLOCCO BRUCIATORE BURNER BLOCK FIAMMA BRUCIATOR...

Page 24: ...after a period of inactivity it is necessary to repeat the previously described start up procedures Immediately remove any unburned gas leaks by replacing the worn seal gaskets It is forbidden because dangerous even partially obstruct the air vents for the cor rect ventilation of the boiler room It is absolutely forbidden to touch the hot parts of the generator which are heated and therefore burn ...

Page 25: ...tness of the fuel supply system this check is very important especially when using gaseous fuels After having performed maintenance and cleaning operations repeat the preliminary checks to switch on check the burner calibration and analyse the flue gas to verify the correctness Diathermic oil check Every six months it is necessary to chemically analyse the dia thermic oil to check that its feature...

Page 26: ... clogging of the chimney and cleanliness of the burner air path dust check sealing of the fuel supply system if gas check sealing of the flue gas circuit door burner plate cleaning door generator chimney fitting check that the rubber holder on the flame warning light is connect ed to the air socket of the burner or if it is plugged check that the flue gas side and oil side of the generator are cle...

Page 27: ...ain Oil overflowing from expansion vessel Remedy check that the electrical consumption of the motor in particular that the power absorbed by the pump is correct check the joint alignment check the initial cold start level check that the expansion vessel capacity is sufficient for the system ...

Page 28: ...rmore it reserves the right to modify its products as deemed necessary or useful without affecting their essential features 46033 casteldario mantova Italy tel 39 0376 57001 telefax 39 0376 660556 info unical ag com export unical ag com www unical eu AG S p A 00336979 1 st edition 07 18 www unical eu ...

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