Accorroni W Technical Information Download Page 1

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A2B srl - Via d’Ancona, 37 - 60027 Osimo (An)

Tel. 071.723991 - Fax 071.7133153 - Web Site: www.accorroni.it - E-mail: [email protected]

echnical information

W- WR - WD

Gas-fired convection heaters with fan

W - WR - WD

Summary of Contents for W

Page 1: ...A2B srl Via d Ancona 37 60027 Osimo An Tel 071 723991 Fax 071 7133153 Web Site www accorroni it E mail a2b a 2 b it Technical information W WR WD Gas fired convection heaters with fan W WR WD...

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Page 3: ...al data table 7 1 10 Dimensions WR and WD versions 8 page 36 Gas fired convection heaters with fan W WR WD series Models 8 10 Technical Information Code 25259501 GB Rev 3 10 05 05 WARNING Whentheburne...

Page 4: ...open and the electric power supply is on 10 3 2 The instructions to the control panel functions which follow refer to fig 35 a Turn the room thermostat knob E clockwise to the maximum value b Turn swi...

Page 5: ...e user to carry out the operations indicated in point 11 1 of this manual at least once every two months 9 2 YEARLY INSPECTION 9 2 1 Control and safety devices WARNING Specific technical skills are re...

Page 6: ...this solution would present technical or functional advantages For ceiling installation WR version in rooms where there is not enough free space on the walls For ceiling installation with duct con nec...

Page 7: ...d a combustion chamber which houses an atmospheric burner which generates an axial flame The combustion products are exhausted outdoors by a centrifugal fan The ventilation unit which is made up of tw...

Page 8: ...e the remodelingofbuildingunitsasresidences offices stores orworkshopsiscomplicatedbyaseriesof technical and structural problems that make it difficult to install a traditional heating system These sy...

Page 9: ...first checking the on off valves on the delivery line Completely bleed off any residual air and restart the unit b Thegassolenoidvalvesdonotopenbecause the coils are malfunctioning or their electrica...

Page 10: ...tch does not reset the contacts to the proper position see point 8 4 d The flue gas expeller fan s motor has failed and the differential pressure switch will not allow startup to proceed Change the fa...

Page 11: ...y plastic caps and then using the point of a screwdriverasalevertoreleasethefastening springs in the rear d Remove the 2 screws which attach the gas supply pipe connector to the combustion chamber fig...

Page 12: ...ses and about the importance of periodic tests which must be performed at least once every year by skilled personnel 6 GAS TYPE CHANGE 6 1 SWITCHING FROM GAS IN THE SECOND GROUP NATURAL GAS TO GAS IN...

Page 13: ...ressure of 20 mbar Instead if gas from the third group is used LPG first carry out the operations described in point 6 1 5 1 4 Check that the gas on off valves on the meter and on the air heater are o...

Page 14: ...the wall with a center distance of 120 mm Insert the screw anchors and attach the rear part of the panel to the wall Put the front part of the panel back by snapping it in place Ifyoushouldneedtoinse...

Page 15: ...R and WD WARNING For your safety due to the weight of the unit and the possible difficulties of installingit itisadvisabletouseamechanical hoisting device for positioning the air heater For these same...

Page 16: ...ts must be made on the free ends opposite the wind protection terminals Make sure that they are cut squarely and trim off any burrs NOTE The exhaust flue is the longer of the two c Insert the ducts in...

Page 17: ...R and WD Once the unit s position has been determined bend the supplied paper template on the dashed line and apply it to the ceiling with adhesive tape fig 17 a Indicate the position of the four hole...

Page 18: ...from ACCORRONI S r l In any case any increases to the length of the ducts must respect the limits specified in the next point 4 2 2 Duct length limits If the duct passes directly through an outside w...

Page 19: ...between the rear part of the unit and the wall so as to permit correct air intake and to allow the filter to easily be removed for cleaning fig 13 For the WD version make sure that the air intake sys...

Page 20: ...k making sure to observe the instructions reported on the box indicated by the special graphic symbols When delivered check that no visible damage on the packing and or on the appliance has occurred d...