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Centra
Lo-Carbon SELV
CONTINUOUS EXTRACT FAN
Installation and Wiring Instructions
FAN UNITS 12V DC SELV (CLASS III)
CONTROLLERS 220-240V 50Hz MAINS SUPPLY (CLASS II)
WITH 12V DC SELV OUTPUT
PLEASE READ INSTRUCTIONS IN CONJUNCTION WITH ILLUSTRATIONS.
PLEASE SAVE THESE INSTRUCTIONS.
Stock Ref. N°
443175A - Timer (T)
443176A - Humidistat-Timer (HT)
443177A – Humidistat – Timer -
Pullcord. (HTP)
447128A – Timer-Pullcord (TP)
IPX7
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Summary of Contents for Vent-Axia Centra Lo-Carbon SELV Series
- Page 1 Centra Lo-Carbon SELV CONTINUOUS EXTRACT FAN Installation and Wiring Instructions Stock Ref. N° 443175A - Timer (T) 443176A - Humidistat-Timer (HT) 443177A – Humidistat – Timer - Pullcord. (HTP) 447128A – Timer-Pullcord (TP) FAN UNITS 12V DC SELV (CLASS III) CONTROLLERS 220-240V 50Hz MAINS SUPPLY (CLASS II) WITH 12V DC SELV OUTPUT IPX7...
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Page 3: Safety And Guidance Notes
C. Ensure that the mains supply (Voltage, Frequency, and Phase) complies with the rating label. D. The Fan should only be used in conjunction with the appropriate Vent-Axia products. E. The fan should only be used in conjunction with fixed wiring. -
Page 4: Installation
Ducted Applications. These fans can be used with short lengths of ducting, but check details first with your Vent-Axia sales centre. Where an excessive amount of moisture is present in the air, a condensation trap will need to be installed in the exhaust duct. -
Page 5: Wall Mounting
PANEL/CEILING MOUNTING For panel/ceiling mounting the fan should be installed into a closed duct system of at least 1.2m long or protected by an exterior air grille that must comply with the standard requirements of your country to prevent access to the fans impeller. Cut a 105mm diameter hole. - Page 6 C. SETUP WARNING: THE FAN AND ANCILLARY CONTROL EQUIPMENT MUST BE ISOLATED FROM THE POWER SUPPLY DURING THE INSTALLATION / OR MAINTENANCE. ACCESSING THE CONTROL SETTINGS – (Fig. 5 and 6) Loosen the screw in the bottom of the grille and remove the front grille. Carefully pull the inner cap from the centre of the fan away from the chassis.
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Page 7: Servicing And Maintenance
HUMIDITY SET-POINT ADJUSTMENT (HT/HTP MODELS) (FIG. 8) BEFORE ADJUSTING THE CONTROLLER, SWITCH OFF THE MAINS SUPPLY. HUMIDISTAT SHOULD ONLY BE ADJUSTED BEFORE OR DURING INSTALLATION. Remove the fan grille. The controller is factory set to switch on at about 70% RH. The humidity set point can be adjusted from 65-95%RH by altering the adjuster on the control PCB. - Page 8 Fig.3 Continuous boost (15l/s or Max) with no trickle facility (NOT AVAILABLE ON TP & HTP MODELS) 12V D.C 1 Phase Supply SELV Supply (220-240V 50Hz). FUSE LINK Switched Fused Spur (3A) Controller Fig.4 Continuous trickle with boost facility (NOT AVAILABLE ON TP & HTP MODELS) 12V D.C SELV Supply Controller...
- Page 9 Fig.6. Accessing the control settings Fig.7. Removing the front grille panel for cleaning. Fig.8. Trickle speed selection and T/HT/HP adjuster Fig.9. Boost speed selection pots TIMER, HUMIDISTAT-TIMER AND HUMIDISTAT-PULLCORD MODELS ONLY Max = Timer Humidistat adjustment adjustment 15l/s = JP1 Jumper Dip switch Max speed boost: Dip switch 2 in the ‘OFF’...
- Page 10 Notes:-...
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Page 11: Product Fiche
PRODUCT FICHE For Residential Ventilation Units (Complying Commission Delegated Regulation (EU) No 1254/2014) Name: Vent‐Axia Vent‐Axia Vent‐Axia Vent‐Axia Lo‐Carbon Centra Lo‐Carbon Centra Lo‐Carbon Centra Lo‐Carbon Centra Model ID (Stock Ref.) : SELV HTP ‐ SELV T ‐ 443175 SELV HT ‐ 443176 SELV TP ‐ 447128 443177 SEC Class E C C E SEC Value ('Average') 15.72 26.23 26.23 15.72 SEC Value ('Warm') 7.11 11.86 ... - Page 12 Vent-Axia guarantees its products for two years from date of purchase against faulty material or workmanship. In the event of any part being found to be defective, the product will be repaired, or at the Company’s option replaced, without charge, provided that the product:- ...
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