SILENT Instruction leaflet 1 5 3 2 4 Fig.1a 1 5 3 2 4 6 Fig.1b 3 Fig.2 L N Ls L N Fig.3 L N Ls L N Fig.4 4 L L N Ls N Fig.5 L L N Ls N Fig.6 T (min) T (min) 30 20 5 A SILENT T SILENT IT Fig.7 SILENT PIR 5 L L N Ls N Fig.8 L N Ls L N Fig.9 ON 1 2 3 4 5 6 7 8 8 7 6 5 ON 4 3 2 1 Fig.10 OFF 6 LN Ls L N Fig.11 SILENT A SILENTC 100 D E B ØF SILENT 125 & 150 MODEL A B C D E ØF SILENT 100 158 158 109,3 84,6 79 98,9 SILENT 125 180 180 119 89 80 118 SILENT 150 214 214 149 113,5 95 147 7 SILENT axial extractor fans Please read this instruction booklet Working ambient carefully before installing or starting up temperature for fan the product. It contains important information on personal and user safety equipment should not be measures to be followed whilst installing, using and carrying out maintenance work exceeded. Typically, this on the equipment. falls within -5°C to +40°C, The SILENT extractor fans have been manufactured following current technical unless stated otherwise. safety regulations, production and quality standards as laid down by the The spigot cannot be international Quality Standard ISO 9001. All components have been checked and connected to a duct which every one of the final products will have is used to extract smoke been individually tested at the end of the manufacturing process. from gas or any other fuel Check that the product is in perfect condition while unpacking. Make sure appliance. that the product corresponds to the one you have ordered and that the details on The extractor must not be the instruction plate fulfil your used in explosive or requirements. The installation and the disconnection corrosive atmospheres. device of the fixed installation used must be in accordance with the installation If the SILENT fan is regulations in force in each country. Once the product has been installed, pass this operating in a room booklet to the end user. where there is a boiler or Recommendations any other kind of IMPORTANT: Before combustion device that installing and wiring the requires airflow to work, unit, ensure that the check that the air inlets to mains supply is the room are sufficient. disconnected. This appliance can be used by children aged 8 The SILENT is suitable for wall or ceiling from 8 years and above mounting and can either extract directly and persons with reduced to atmosphere or via a ducted system (fig.2). physical, sensory or The unit can be mounted on the wall or mental capabilities or lack ceiling using the 4 raw plugs and the screws provided. Make a hole in the wall of experience and or ceiling of diameter: knowledge if they have - SILENT-100: 105 to 107 mm. - SILENT-125: 125 to 132 mm. been given supervision or - SILENT-150: 160 to 158 mm. instruction concerning use If using the EnviroVent high rise wall kit, of the appliance in a safe please refer to kit for core drill size way and understand the If the unit is to be installed in a ducted system, use the following standard hazards involved. Children diameter of duct: - SILENT-100: 100 mm. shall not play with the - SILENT-125: 125 mm. appliance. Cleaning and - SILENT-150: 150 or 160 mm. user maintenance shall Ensure that there are no obstructions to the airflow and that the impeller turns not be made by children freely. Fix the extractor fan to the wall in such a without supervision. way that it is not distorted in order to avoid noise generation or problems with the Installation (fig.1): rotation of the impeller. This fan is IP45 rated and it is suitable for application in zones 1 and 2 with Make sure that the backdraught shutter RCD protection. opens freely and has not being damaged in transit. Introduce the mains cable 1- Protection grille through the cable entry (4) and fix it to the 2- Connection terminals wall. 3- Outlet with backdraught shutter Connect the electrical wiring as set out 4- Cable entry below and then mount the protection 5- Screwdriver to adjust Timer and grille (1). Hygrostat (not supply with S and P models) 6- Pullcord (P models) 9 Electrical connection - To reduce the “run on” time, turn The SILENT is an extractor fan designed anticlockwise (min. 1 minute). for a single-phase supply, with voltage - To increase the “run on” time, turn and frequency as indicated on the rating clockwise (max: 30 minutes). plate of the unit. SILENT-100 IT The units are manufactured with double (This version is only available as electrical insulation (Class II) and SILENT-100) therefore they do not need an earth This model is provided with an adjustable connection. over-run timer. The timer allows the fan to continue to operate for the selected The electrical cable must enter the period after the switch has been turned SILENT through the cable entry (4). off (fi g.6). The SILENT must be connected to the electrical supply in accordance with local ATTENTION: The product also includes wiring regulations. an over-run timer facility that starts the fan after the first 50 seconds of non- Once the cable has been introduced operation. After these first 50 seconds, proceed using the electrical wiring the fan operates automatically. diagram applicable to the selected model. SILENT HT IMPORTANT: Do not remove the tape SILENT S covering the humidity sensor located For these models, use the following on the reserve of the grille. diagrams: Fig.3: Switching the extractor through the Models provided with an electronic light switch. humidistat which can be adjusted from Fig.4: To switch the fan through an 60% to 90 % RH (Relative Humidity) and independent switch. with a timer, adjustable between 1 and 30 minutes. SILENT T The desired humidity level and run on This model is provided with an adjustable time are selected by means of 8 dip- over-run timer. The timer allows the fan to switches placed on the printed circuit continue to operate for the selected board, and easily accessible. Each dip- period after the switch has been turned switch has two positions [ON (1) and OFF off (fi g.6). (0)] which are selected with the small plastic screwdriver supplied with the fan Fig.5 shows how to connect the fan with (fig.10): timer utilising the same switch as for the lighting circuit. The functions of these dip-switches are: To set the timer, turn the potentiometer on the printed circuit board as (fig. 7). 10 - Switch 1: “Interval” function selection level. The extractor will stop automatically (yes or no) when the humidity drops below the selected level (-5% or +10%) and after the selected period set on the over-run timer. "Interval” functions: - Switches 2 and 3: Interval time settings This function is useful when the extract between 4, 8, 12 and 24 hours fan is installed in very wet (near the sea) or the ambiance exceeds the set level for a very long time. To prevent the fan to run for hours without stopping, the "Interval" function allows the fan to switch off automatically one hour after it began to - Switches 4 and 5: Humidistat settings run. The extractor keeps switched off between 60, 70, 80 and 90% during the set time for interval function. If the humidity level is still above the set level when the time interval is over, the extract fan switches on again and run during one hour. To select this function put the dip-switch 1 to position "ON” - Switches 6 and 7: Over-run timer To adjust the set time for interval function, settings between 1, 5, 15 and 30 use the dip-switches 2 and 3. minutes When, on the contrary, the extract fan never switches on because the humidity level is always very low or it is improperly installed (above heating appliance, behind a door, in an area with no air - Switch 8: Start-up timer function (yes movement) putting the 1 dip-switch or no) interval function to position "ON", the fan switches on automatically during 1 hour and then it keeps switched off during the set time for interval function. This function causes the fan to run whatever the humidity level. Automatic operation: The extractor is connected to the main To select this function put the dip-switch supply with only two wires. The 1 to position "ON” humidistat causes the extractor to To adjust the pre-set time for interval operate automatically when the humidity function, use the dip-switches 2 and 3. level in the room is higher than the set 11 Automatic operation with external switch SILENT-100 PIR to override the extractor: (This version is only available as The extractor is connected to the main SILENT-100) supply with three wires. Models provided with a PIR detector. The Operation as previous “Automatic unit starts automatically when a operation”, with the facility to override the movement is detected with maximum humidistat by means of the light switch distance of 4 meters (fig.9). when the humidity level in the room is They are also fitted with an adjustable lower than the selected level. In this case “run on” timer (1 to 30 minutes), and the the extractor continues to operate for the unit will continue to operate for the set selected period of time (over-run timer) period after initiation by the movement after the switch light has been switched detector.