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Lo-Carbon
NBR C
CONTINUOUS EXTRACT FILTERLESS FAN
Installation and Wiring Instructions
220-240V~50Hz
PLEASE READ INSTRUCTIONS IN CONJUNCTION WITH ILLUSTRATIONS.
PLEASE SAVE THESE INSTRUCTIONS.
Stock Ref. N°
498095 - NBR dMEV C 100 T
498096 - NBR dMEV C 100 HT
498097 - NBR dMEV C 125 T
498098 - NBR dMEV C 125 HT
IPX5
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Summary of Contents for Vent-Axia NBR dMEV C 100 T
- Page 1 NBR C CONTINUOUS EXTRACT FILTERLESS FAN Installation and Wiring Instructions Stock Ref. N° 498095 - NBR dMEV C 100 T 498096 - NBR dMEV C 100 HT 498097 - NBR dMEV C 125 T 498098 - NBR dMEV C 125 HT 220-240V~50Hz PLEASE READ INSTRUCTIONS IN CONJUNCTION WITH ILLUSTRATIONS.
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Page 2: 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 3 The HT models include a digital humidity sensor with pre-set Threshold and Rapid Rise sensing. • 498095 - NBR dMEV C 100 T - 100mm continuously running dMEV fan with fixed Timer • 498096 - NBR dMEV C 100 HT - 100mm continuously running dMEV fan with Humidity sensor and fixed Timer •...
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Page 4: Exterior Wall Mounting
A. INSTALLATION PANEL/CEILING/ INTERIOR WALL MOUNTING Cut a 107mm diameter hole for 100mm fans or a 130mm hole for 125mm fans. Remove the tile front by rotating counter clockwise. Loosen the 3 grille screws to remove inner grille. Mark the screw centres through the holes in the fan back plate. Drill, plug and screw into position. - Page 5 B. WIRING. WARNING: THE FAN AND ANCILLARY CONTROL EQUIPMENT MUST BE ISOLATED FROM THE POWER SUPPLY DURING INSTALLATION OR MAINTENANCE. IMPORTANT • The cross - sectional area of supply cord used should be ranged from 0.75 - 1.5mm • The fan is a class ll double insulated product and does not need to be earthed. Wiring can be made from either the side or rear of the fan.
- Page 6 Speed Selection The trickle flow rate can be quickly adjusted via the dial as shown – either with the inner grille on or off (see below images). The 10-100% scale relates to a flow rate of between 5-16l/s. The scale is adjusted based on the installation type (SW1). The boost speed is proportionally higher than the trickle flow rate.
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Page 7: Servicing And Maintenance
Inbuilt Threshold Humidistat with Rapid Rise Detection (HT models only) The HT models include a digital humidity sensor with pre-set Threshold and Rapid Rise sensing. The settings are fixed and cannot be adjusted. Threshold: The fan will increase in speed proportionally between trickle and boost flow rates at 75%RH and 85%RH. - Page 8 Fig.2 Continuous boost with no trickle facility. (The fan is internally fused) Switched Spur Fit Link wire Between L & LS Fig.3 Continuous trickle with boost facility. (The fan is internally fused) 220-240V ~50Hz 3 Pole Ceiling Isolator Junction Switch Lamp Pullcord 1.
- Page 9 3. Loosen 3 grille screws (do not fully remove) 4. Pull the inner grille forward off the fan Wiring terminals (220-240VAC ~ 50Hz) Mounting fixing Mounting fixing Rear cable entry Speed Adjustment Side cable entry Dial (cut plastic side wall to access) Installation mode (SW1) Wind Pressure Detection (SW2) Mounting fixing...
- Page 10 Quick Setup 1) Set the installation type – wall or ducted Trickle Speed (SW1) Dial 2) Set trickle flow rate – Dial as shown in the table below. Humidity models: The humidity sensor is fully SW1 / SW2 automatic and does not require setting. Boost speed is fixed at 50% higher than the set trickle rate.
- Page 12 Vent-Axia guarantees this product for 7 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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