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Vent-Axia Svelte 100B Instructions D'installation Et De Câblage page 5

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Dip switch 1 should be in the 'OFF' position (T and 100HT models only).
Speed settings for 150HT see below and refer to Fig.6
1)
High speed:
2)
Low speed (Factory set):
Dip switch 1 & 2 should be in the 'OFF' position.
TIMER ADJUSTMENT (T AND HT 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 overrun timer is factory set to approximately
15 minutes. This timer period can be adjusted between 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.5.
CLOCKWISE.
3.
To INCREASE the operating time, use a small screwdriver to turn the adjuster Fig.5.
ANTI-CLOCKWISE.
4.
Replace the fan grille.
HUMIDITY SET-POINT ADJUSTMENT (HT 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.5. ANTI-
CLOCKWISE. This makes the controller MORE sensitive.
3.
To RAISE the set-point use a small screwdriver to turn the adjuster Fig.5. CLOCKWISE.
This makes the controller LESS sensitive.
4.
Replace the fan grille.
SELECTING THE DELAY-ON OPTION (150HT model only) – Switch dip switch 4 (Fig 6) into the ON
position to activate the delay-on feature. This will prevent the fan from switching on for approximately 2
minutes. If the Switch Live is disconnected (switched off) within this period the fan will not go on. If the
Switch Live is still active after the period the fan will switch on and run for the pre-set overrun time.
D. SERVICING AND MAINTENANCE.
WARNING: THE FAN AND ANCILLARY CONTROL EQUIPMENT MUST BE ISOLATED
FROM THE POWER SUPPLY DURING MAINTENANCE.
1. At intervals appropriate to the installation, the fan should be inspected and cleaned to ensure there is
no build-up of dirt or other deposits.
2. Wipe the inlets and front face with a damp cloth until clean.
The fan has sealed for life bearings, which do not require lubrication.
• 150HT model: Dip switch 3 in the
'ON' position. (
Fig.6)
• 150HT model: Dip switch 3 should
be in the 'OFF' position. (
5
Fig.6)
EN

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