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AFTER INSTALLING THIS UNIT,
PLEASE PASS ONTO END USER
DO NOT THROW AWAY
Commissioning
Control Parameters
• The boost speed cannot be set lower than
the continuous speed.
• The continuous speed cannot be set higher
than the boost speed.
• All switching inputs are disabled when the
program/run switch is in continuous or
boost positions.
• Speed control potentiometers are disabled
when the program/run switch is in centre
run position.
Boost Supply & Extract Speeds
• Move program/run switch to boost position.
• Rotate supply fan boost speed adjustment
potentiometer to achieve required supply
boost air flow.
• Rotate extract fan boost speed adjustment
potentiometer to achieve required extract
boost air flow.
• Return program/run switch to centre
position to exit commissioning.
For the commissioning settings to be
stored the unit needs to be powered up.
Continuous Supply & Extract Speeds
• Move program/run switch to continuous
position.
• Rotate supply fan continuous speed
adjustment potentiometer to achieve
required supply continuous air flow.
• Rotate extract fan continuous speed
adjustment potentiometer to achieve
required extract continuous air flow.
• Return program/run switch to centre
position to exit commissioning.
Boost Overrun
Boost overrun timer is variable between 0 and
60 minutes. Rotate potentiometer to change
overrun time. This can be done at any time.
Humidity Sensor
The humidity sensor’s trigger point is variable
from 55% RH to 85% RH. Rotate potentiometer
to change trigger point. The humidity sensor
adjustment can be done at any time without
the need to move the program/run header
link.
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