FHC-1D user manual
Phason
10
2009-06-15
Adjusting minimum ventilation in IDLE SET mode
1.
Turn the
Idle Speed
knob fully counter-clockwise.
2.
Click the front cover switch to the right and hold while turning the
Temperature
knob fully
clockwise and then release the switch. The fan should be running at IDLE.
3.
Slowly adjust the
Idle Speed
knob until a satisfactory IDLE has been reached. A voltmeter is
helpful for determining the voltage. If you are unsure, see your fan dealer for the minimum idle
voltage for your fan motor.
4.
Hold the front cover switch to the right and then adjust the
Temperature
knob to the desired
temperature.
5.
Release the switch.
Adjusting the idle speed (IDLE)
The IDLE is the speed of the fan in IDLE SET mode. In other words, minimum ventilation. IDLE
is displayed as a percentage of maximum speed. For more information, see
Operation description
on page 13.
To display and adjust IDLE
1.
Click the switch to the right to start at the beginning of the parameter list.
2.
Click the switch to the left four times and hold.
The display alternately flashes between
id
and the setting.
3.
Adjust the
Idle Speed
knob on the front cover to the desired fan speed.
4.
Release the switch
Adjusting the temperature set point (TEMP SET)
TEMP SET is the desired temperature. It is also the reference for the off set-back (OSB) and
temperature differential (DIFF) settings.
To display and adjust TEMP SET
1.
Hold the switch in the set (right) position.
2.
Adjust the
Temperature
knob to the desired setting.
You must hold the switch in the set position while turning the
Temperature
knob. If
this is not done correctly, the display will flash between
tS
and the temperature
display, indicating the knob has accidentally been turned. The control will not accept
the new setting until the switch is clicked to the right.
