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 0.75 -1.5mm
2
.
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 using cable clamp provided.
3.
Ensure the impeller rotates and is free from obstructions once reassembled
(Fig. 4
and 5).
C. SETUP
WARNING: THE FAN AND ANCILLARY CONTROL EQUIPMENT MUST BE
ISOLATED FROM THE POWER SUPPLY DURING THE INSTALLATION /
OR MAINTENANCE.
TIMER ADJUSTMENT – HTP AND T MODELS (FIG. 4 AND 5)
BEFORE ADJUSTING THE TIMER, SWITCH OFF THE MAINS SUPPLY. TIMER SHOULD
ONLY BE ADJUSTED BEFORE OR DURING INSTALLATION.
1.
Remove the fan grilles and PCB cover. The product is factory set at 15 minutes
approx. The overrun period can be adjusted from 3-25 minutes by altering the pot
on the control PCB.
2.
To REDUCE the operating time, use a small screwdriver to turn the pot
ANTI-
CLOCKWISE
.
3.
To INCREASE the operating time, use a small screwdriver to turn the pot
CLOCKWISE.
4.
Replace the PCB cover, impeller and fan covers.
HUMIDITY SET-POINT ADJUSTMENT – HTP MODEL (FIG. 4 AND 5)
BEFORE ADJUSTING THE CONTROLLER, SWITCH OFF THE MAINS SUPPLY.
HUMIDISTAT SHOULD ONLY BE ADJUSTED BEFORE OR DURING INSTALLATION.
1.
Remove the fan grilles and PCB cover. The product is factory set to switch on at
about 70% RH. The humidity set point can be adjusted from 40-95%RH by altering
the pot on the control PCB.
2.
To LOWER the set-point use a small screwdriver to turn the pot
ANTI-
CLOCKWISE
. This makes the controller MORE sensitive.
3.
To RAISE the set-point use a small screwdriver to turn the pot
CLOCKWISE
. This
makes the controller LESS sensitive.
4.
Replace the PCB cover, impeller and fan covers.
