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Wall Mounting - Vent-Axia NBR HTP 473809 Installation And Wiring Instructions

Continuously running fan

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A. INSTALLATION
PANEL/CEILING MOUNTING
1.
Cut a 105mm diameter hole.
2.
Remove the front panel by carefully pulling away from the fan.
3.
Loosen the two self-retaining screws and remove the inner grille by carefully
pulling away from the housing.
4.
Mark the screw centres through the holes in the fan back plate. Drill, plug and
screw into position. Attach ducting as required for the installation.
5.
Wire the fan as described in Section B-Wiring. Adjust any settings as required
(see Section C-Setup).
6.
After installation, ensure impeller rotates freely.
7.
Replace the inner grille and tighten the retaining screws. Replace the front panel.

WALL MOUNTING

1.
For wall mounting cut a 117mm diameter hole through the wall and insert the wall
sleeve. Slope the sleeve slightly downwards away from the fan. Where necessary
cut to length and cement both ends into position flush with the wall faces.
2.
Fix exterior grille into position with the louvres positioned downwards.
3.
Remove the front panel by carefully pulling away from the fan.
4.
Loosen the two self-retaining screws and remove the inner grille by carefully
pulling away from the housing.
5.
Mark the screw centres through the holes in the fan back plate. Drill, plug and
screw into position.
6.
Wire the fan as described in Section B-Wiring. Adjust any settings as required
(see Section C-Setup).
7.
After installation, ensure impeller rotates freely.
8.
Replace the inner grille and tighten the retaining screws. Replace the front panel.
B. WIRING.
WARNING: THE FAN AND ANCILLARY CONTROL EQUIPMENT MUST BE
ISOLATED FROM THE POWER SUPPLY DURING THE INSTALLATION /
OR MAINTENANCE.
IMPORTANT
 The cross - sectional area of supply cord used should be ranged from 1 -1.5mm
 The extraction fan is suitable for connection to 220-240V 50Hz supply.
 The fan is a class ll double insulated product and MUST NOT be earthed.
1.
Select and follow the appropriate wiring diagram. (Fig. 1, 2 or 3)
2.
Check all connections have been made correctly and ensure all terminal
connections and supply wires are securely fastened.
3.
Ensure the impeller rotates and is free from obstructions.
3
2
.

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