Vent-Axia Centra Lo-Carbon SELV HT, Инструкции по установке и подключению

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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)
1. Loosen the screw in the bottom of the grille and remove the front grille.
2. Carefully pull the inner cap from the centre of the fan away from the chassis.
3. Adjust the settings as outlined below.
TRICKLE SPEED SELECTION (6l/s or 9l/s) – (Fig. 8)
In normal running mode the fan can extract at either 6l/s (22m
3
/h) or 9l/s (32m
3
/h) flow rate. The
fan will boost to 15l/s (54m
3
/h) when the LS connection is switched.

Factory set at 6l/s (22m
3
/h). (Fig.9)

Remove jumper connector (JP1) if 9l/s (32m
3
/h) extract flow rate is required. (Fig.9)
BOOST SPEED SELECTION (Fig. 9)
(443175A - Timer, 443176A - Humidistat-Timer and 443177A - Humidistat-Pullcord models only)
The fan has two boost speed settings for different installation requirements:

Max speed: Dip switch 2 in the ‘OFF’ position. (Fig.10)

15l/s speed: Dip switch 2 should be in the ‘ON’ position. (Factory set) (Fig.10)
Dip switch 1 should be in the ‘ON’ position for constant trickle mode.
TIMER ADJUSTMENT (T, TP, HT & HTP MODELS) (FIG. 8)
BEFORE ADJUSTING THE TIMER, SWITCH OFF THE MAINS SUPPLY. TIMER SHOULD
ONLY BE ADJUSTED BEFORE OR DURING INSTALLATION
IMPORTANT NOTE:- ON THE TP & HTP MODELS ONLY THIS ADJUSTS THE OVERRUN
TIME FOR THE PULLCORD OPERATION. ON T & HT MODELS THE TIMER IS ACTIVATED
VIA THE LS CONNECTION.
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.8.
CLOCKWISE.
3. To INCREASE the operating time, use a small screwdriver to turn the adjuster
Fig.8. ANTI-CLOCKWISE.
4. Replace the fan grille.