1.
Unscrew the fixing screws on the cover of the controller. The fan overrun period
can be adjusted up or down using the pot located on the internal 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 controller cover.
TIMER ADJUSTMENT (SVHTP, 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 and PCB covers and the impeller (Fig. 4 and 5). The controller 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 fan and PCB covers and the impeller.
HUMIDITY SET-POINT ADJUSTMENT (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 and PCB covers and impeller. The controller is factory set to
switch on at about 70% RH. The humidity set point can be adjusted from 40-
95%RH by altering the adjuster on the control PCB.
2.
To LOWER the set-point use a small screwdriver to turn the adjuster
ANTI-
CLOCKWISE
. This makes the controller MORE sensitive.
3.
To RAISE the set-point use a small screwdriver to turn the adjuster
CLOCKWISE
.
This makes the controller LESS sensitive.
4.
Replace the fan and PCB covers and impeller.
IMPORTANT:
Upon installation it is possible that the humidity controller will make the fan run
continuously until it has acclimatised to the environment. As part of the installation process it is
important to set/adjust the humidity sensitivity to the desired position. The controller is already
factory set to switch on at about 75% R.H.
PULLCORD OPERATION
The PULLCORD will activate the fan when switched. When the PULLCORD is switched into the
off position the fan will deactivate. The SVHTP model will return to the Auto sensing mode.
D. SERVICING AND MAINTENANCE.
WARNING: THE FAN AND ANCILLARY CONTROL EQUIPMENT MUST BE
ISOLATED FROM THE POWER SUPPLY DURING MAINTENANCE.
Summary of Contents for Solo Pro SELV Series
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