COTES C35 OPERATING AND SERVICE HANDBOOK page 34/71
A damper for adjusting the regeneration air flow must be installed on the outlet in order to adjust the
regeneration air flow. If not, the regeneration air flow will – in most cases – be too high, making it
impossible to reach the desired temperature for the regeneration air and thus making the unit less
efficient. Use a standardised tool for measuring the velocity according to specifications.
In Configuration-B, Configuration-C and Configuration-D, the regeneration air fans are equipped with
frequency converters, which makes dampers on the regeneration air side unnecessary. In
Configuration-C and Configuration-D, the flow of process and regeneration air will adjust
automatically.
The regeneration air inlet and outlet must be placed with sufficient distance to each other to avoid
rebreathing. If possible, Cotes recommends placing the regeneration inlet and outlet on each side of
a corner – or some similar location – to reduce the risk further. If nothing is done to prevent the
regeneration air from "short-circuiting", a capacity loss is possible and the risk of condensation inside
the regeneration circuit will increase dramatically. Cotes recommends extending the inlet ductwork
(rather than the outlet) to keep the risk of condensation in the outlet to a minimum.
Installation of regeneration outlet connector
In order to mount ducting for the regeneration outlet or to connect HR/LK module to the dehumidifier,
you have to mount the double male connector shipped together with the dehumidifier. The connector
has to be put into the outlet until you feel the resistance from the middle bulge. The position of
connector should be even and with no gaps all around the outlet.
You may put a silicone on the outside of the connector before placing it into the outlet to secure its
position inside. This is a requirement if an LK or HR module is paired with the dehumidifier.
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