3
~
N
L
1 Phase Supply
(220-240V 50Hz).
FUSE
Switched
Fused Spur
+
L
N
8V 11V
-ve
Controller
-
Fan
SELV Supply
Pullcord
Lower Speed
for Toilet
Higher Speed for
Bathroom
Bath/Utility Room
L
s
~ N
Switch
Toilet
SELV Supply
N L
+ve -ve
+
-
Fan
Select Bath/Utillity (High Speed)
or Toilet (Low Speed) using the
selector switch
mins
Timer Adjuster.
Control Timer
B.
WIRING.
WARNING: THE FAN AND ANCILLARY CONTROL EQUIPMENT MUST BE ISOLATED FROM
THE POWER SUPPLY DURING THE INSTALLATION / OR MAINTENANCE.
NOTE: The
Controller
MUST
be surface mounted to allow air to freely circulate around the unit. When
installed in a loft void it
MUST
NOT
be enclosed or covered with insulation.
1. Select and follow the appropriate wiring diagram (Fig. 2-3).
2. Check all connections have been made correctly and ensure all terminal connections and cable clamps are
securely fastened.
3. The cable entry must be made using the cable grommet.
4. Ensure the impeller rotates and is free from obstructions.
Fig. 2.
Minivent Lo-Carbon B
Basic Model.
Select the wiring configuration required for the Toilet or Bathroom.
Fig. 3.
Minivent Lo-carbon T
Timer Model.
Switch the selector switch to the required mode.
Timer Adjustment.
The overrun time period is factory set to 15 minutes. The overrun time period may be adjusted from 5-25 minutes,
by altering the adjuster on the back of the Control Timer.
Before adjusting the timer, switch off the Mains Supply.
1. Remove the Controller Unit.
2. To REDUCE the operating time, turn the adjuster ANTI-CLOCKWISE on the back of the Controller.
3. To INCREASE the operating time, turn the adjuster CLOCKWISE on the back of the Controller.
4. Replace the front of the Control Timer.
5. Reconnect the mains supply.