Summary of Contents for Accorroni W
- Page 1 Gas-fired convection heaters with fan W - WR - WD 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...
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Page 3: Table Of Contents
Accorroni S.r.l. in any way with regard to others. To reduce possible failures to a minimum and to 6 - Accorroni S.r.l. is responsible for ensuring that its product conforms to the laws, directives and keep the air heater operating at peak efficiency, construction standards in force at the time the product is sold. - Page 4 1.11 Exploded view ................. - WR version ......10 1.11 Exploded view ................. - WD version ......12 INSTRUCTIONS FOR THE USER 1.11 Exploded view ................. - W version ......14 1.12 Wiring diagram ........................16 10. START-UP If it is lit, this means that the burner’s control CONTROL AND SAFETY DEVICES ..................
- Page 5 Preparations for installing the air heater ......... - WR / WD versions .... 22 there are no carbon deposits inside the exchanger Preparations for installing the air heater ......... - W version ......23 Exhaust and intake ducts ............- WR / WD versions .... 23 Exhaust and intake ducts ............
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Page 6: Principal Characteristics
Detection Screws electrode 1. PRINCIPAL CHARACTERISTICS 1.1 APPLIANCE CLASSIFICATION The W, WR, and WD air heaters are defined as “Independent gas-fired convection heaters 0694 equipped with a fan in the combustion circuit”. In addition, they are classified according to harmonised European standards EN 437 and... -
Page 7: Construction Characteristics
Exchanger through the grille located at the top or front of the The air intake side (in the W and WR versions) Coil support appliance. houses a filter made of regenerable synthetic... -
Page 8: Accessories Supplied On Request
1.7 APPLICATION 8.2 FUSES W Version for wall installation The W, WR, and WD gas-fired air heaters are Remove the blown fuse from the printed circuit - The flues and terminals for the exhaust of units that were developed for creating small or on the electrical board inside the air heater. -
Page 9: The Use Of Ducts With The Wd Version
The technical, functional, and aesthetic - Efficiency apartments. ignition discharge. characteristics of the W and WR air heaters a) The gas supply was cut off and the equipment, - Tourist accommodations, bungalows, etc. have been researched to achieve their optimal - Replace the ignition electrode(s). -
Page 10: Dimensions
7.2.2 The control equipment does not shut 7. OPERATING DEFECTS 1.10 DIMENSIONS - WR and WD versions for ceiling installation down, but the cycle remains in a 7.1 PRELIMINARY TESTS continuous preventilation phase Before performing specific tests, make sure that: a) The differential pressure switch will not allow a) The electric power supply is properly connected startup to proceed because the flue gas... - Page 11 If the gas supply supply pipe connector to the combustion 1.10 DIMENSIONS - W version for wall installation pressure does not correspond to the value chamber (fig. 24). Gently remove the indicated, use the pressure regulator (second...
- Page 12 decrease the pressure and clockwise to increase 5.3 USER INFORMATION the pressure (this operation can be carried out It is recommended that the user be informed only when using methane gas G20). about all the procedures necessary to use Turn the room thermostat dial to the minimum the air heater correctly, with particular value and check that the burner shuts off.
- Page 13 about one minute and reset the appliance by LEGEND OF THE COMPONENTS 5. COMMISSIONING pressing the “reset” button (D) to begin a new WR version for ceiling installation WARNING! The commissioning of the cycle. Repeat the operation until the residual air appliance must be performed by skilled has been purged and the ignition is regular.
- Page 14 mm and which has an adequate capacity, to which the cable should have passed through must be used as a general switch to turn off the be closed with the plastic cap provided. If the units. panel is attached to a metal structure or wall, this structure or wall must be grounded.
- Page 15 The valve EXHAUST AND INTAKE DUCTS must be located in a position that can be W version for installation on the wall easily accessed by the user. Connect the gas supply line to the air heater which is equipped with a G 1/2”A male threaded...
- Page 16 PREPARATIONS FOR INSTALLING THE AIR HEATER - W version for installation on the wall Fig. 18 also shown on the template. They can be ducts for walls that are up to 40 cm thick, assuming brought to these positions depending on the that the unit’s rear is 20 cm from the wall.
- Page 17 Set up the gas and electricity supply lines based 18 Fan motor 52 Intake connector on the installation design. Version for wall installation (W): Once the 19 Fan motor attachment U-bolt 53 Gas supply pipe 4.4.1 Air heater mounting preparations unit’s position has been determined, bend the...
- Page 18 = min. speed Fig. 13 Fig. 14 to the standard configuration, you should properly, thus triggering the differential pressure request them from ACCORRONI S.r.l. switch. Variant connection engine WD It should be remembered that an elbow in the In any case, any increases to the length of the...
- Page 19 4.1.1 Versions for ceiling installation phase 230 V ~ 50 Hz mains voltage. The capacity is insufficient due to a problem with the As already mentioned in point 1.1, the W, WR, (WR and WD) circuit is sensitive to the phase-neutral...
- Page 20 You will need to use it to make the distances indicated in figure 12. holes in the room’s wall. e) For direct air delivery (W and WR): Check that the packing includes the appliance The selected position for the unit must be but also all the parts indicated in point 1.5.