C. SETUP
WARNING: THE FAN AND ANCILLARY CONTROL EQUIPMENT MUST BE ISOLATED
FROM THE POWER SUPPLY DURING THE INSTALLATION / OR MAINTENANCE.
Fig. 20
TRICKLE SPEED SELECTION (6l/s or 9l/s) – (Fig. 20)
In Trickle 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 / Humidity / Pull cord connection is switched.
Factory set at
6l/s
(22m
3
/h).
Remove jumper connector
(JP2)
if
9l/s
(32m
3
/h) extract flow rate is required.
PULLCORD OPERATION (P,LP AND HTP,LHTP MODELS)
THE PULLCORD ACTIVATES THE BOOST TO ON OR OFF.
TIMER ADJUSTMENT (T,LT AND HTP,LHTP MODELS) (FIG. 20)
THE TIMER IS ONLY ACTIVATED VIA THE LS CONNECTION.
1.
The controller is factory set at 15 minutes approx. The overrun time period can be
adjusted from 5-50 minutes by altering the adjuster on the control PCB.
2. To INCREASE the operating time, use a small screwdriver to turn the TIMER adjuster
CLOCKWISE.
3.
To REDUCE the operating time, use a small screwdriver to turn the TIMER adjuster
ANTI CLOCKWISE.
4.
In addition a 3 minute delay on timer is included this can be de-activated by removing
(JP3).
HUMIDITY SET-POINT ADJUSTMENT SVHTP MODEL (FIG. 20)
NOTE:- ON INSTALLATION IT IS POSSIBLE THAT THE HUMIDITY CONTROLLER WILL RUN CONTINUOUSLY UNTIL IT HAS ACCLIMATIZED
TO THE ENVIRONMENT.
1.
The controller is factory set to switch on at about 70% RH. The humidity set point can
be adjusted from 60-90%RH by altering the adjuster on the control PCB.
2.
To LOWER the set-point use a small screwdriver to turn the HUMIDITY adjuster
ANTI-CLOCKWISE. This makes the controller MORE sensitive.
3.
To RAISE the set-point use a small screwdriver to turn the HUMIDITY adjuster
CLOCKWISE. This makes the controller LESS sensitive.
8
FAST ON
TRICKLE DELAY
