AHI Carrier Catalog | Page 428

AIR-TO-WATER HEAT PUMPS 30RQV 017-021 -- Safety Input Contact: This switch is normally closed type, according to configuration it is used either to stop the unit, to ban the Heating Mode or to ban the Cooling Mode when contact is opened. ■■ Large choice of Input Contacts Several functions can be configured by the installer. They allow to adapt to the environment of the machine: -- Power Limitation / Night Mode : This switch is used to reduce the compressor maximum frequency to avoid noise. -- Off Peak: If the General Purpose Contact, configured to “Off Peak”, is closed then the Electric Heat Stages are not allowed. -- Loadshed Request : If the General Purpose Contact, configured to “Loadshed Request”, is closed then unit shall be stopped as soon as possible. -- Solar Input : If the Genera