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1.
Select and follow the appropriate wiring diagram. (Fig. 2 or 3)
2.
Check all connections have been made correctly and ensure all terminal
connections and cable clamps are securely fastened.
3.
Ensure the impeller rotates and is free from obstructions.
4.
DO NOT TEST THE FAN WITHOUT THE GRILLE SECURELY FASTENED.
THIS COULD POTENTIALLY CAUSE DAMAGE TO THE SHUTTER
MECHANISM.
C. SETUP
WARNING: THE FAN AND ANCILLARY CONTROL EQUIPMENT
MUST BE ISOLATED FROM THE POWER SUPPLY DURING THE
INSTALLATION / OR MAINTENANCE.
SPEED SETTING (Fig. 4):
The fan has two speed settings for different installation requirements:
1)
High speed – for ducted installations: Replace jumper.
2)
Normal speed – for wall/window installations: Remove jumper.
TIMER ADJUSTMENT (LT/XT/LHTP/XHTP MODELS)
BEFORE ADJUSTING THE TIMER, SWITCH OFF THE MAINS SUPPLY. TIMER
SHOULD ONLY BE ADJUSTED BEFORE OR DURING INSTALLATION.
1.
Remove the fan grille. The controller is factory set at 15 minutes
approx. The overrun time period can be adjusted from approximately
3-30 minutes by altering the adjuster on the control PCB.
2.
To REDUCE the operating time, use a small screwdriver to turn the
adjuster Fig.4. ANTI-CLOCKWISE.
3.
To INCREASE the operating time, use a small screwdriver to turn the
adjuster Fig.4. CLOCKWISE.
4.
Replace the fan grille.
HUMIDITY SET-POINT ADJUSTMENT (LHTP/XHTP MODELS ONLY)
BEFORE ADJUSTING THE CONTROLLER, SWITCH OFF THE MAINS SUPPLY.
HUMIDISTAT SHOULD ONLY BE ADJUSTED BEFORE OR DURING
INSTALLATION.
1.
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.
2.
To LOWER the set-point use a small screwdriver to turn the adjuster
Fig.4. ANTI-CLOCKWISE. This makes the controller MORE sensitive.
3.
To RAISE the set-point use a small screwdriver to turn the adjuster
Fig.4. CLOCKWISE. This makes the controller LESS sensitive.
4.
Replace the fan grille.
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