nilan CTS700-TOUCH Installation Instructions Manual

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Contents

nilan CTS700-TOUCH Installation Instructions Manual Manual pdf 42 page image

Active cooling functionThe AIR unit has a reversible cold circuit, which means that it can be used to actively cool the home,using either the underfloor heating system or fan coils.Active cooling using the underfloor heatingThere is an external temperature sensor connected to digital input 10. When the contact is closed, theAIR unit goes into cooling mode and cools the home down to a pre-set value. When the contact is brokenagain, the AIR unit returns to normal operation.The external temperature sensor often has an infra-red sensor, which measures the temperature ofthe floor and stops the cooling function before condensation forms on the floor.Active cooling using fan coilsThere is an external temperature sensor connected to digital input 10. When the contact is closed, theAIR unit goes into cooling mode and cools the home down to a pre-set value. At the same time, relayoutput 10 is activated, which can control a three-way valve so that the water is directed out to fan coilsinstead of going into the floor. When the switch is deactivated, the AIR unit returns to normaloperation.42