McQuay MCK025A Spezifikationen Seite 16

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ii) Anti Freeze Mode
Anti Freeze operation has the highest priority among all unit operation. Anti Freeze operation will be activated
only if dry contact is closed and vice versa.
iii) Window Open Mode
The dry contact connection points can be connected in parallel with other fan coil unit (FCU) boards. If the dry
contact is closed, Window open mode will be activated on all the fan coil units which are connected in parallel as
shown in figure below.
iv) Load Shedding
The dry contact connection points can be connected in parallel with other fan coil unit (FCU) boards. If the dry
contact is closed, Load shedding mode will be activated on all the fan coil units which are connected in parallel
as shown in figure below.
Global Unoccupied, Global Window Open and Global Load Shedding operation could also be activated via the
network communication bus line by master controller with or without the above connection.
NOTE :
i) Auto Fan Mode is only applicable in Model 3 only. ( Cooling only with Boiler)
ii) Fan mode is not available in valveless control.
iii) Wired handset (Netware and SLM) has an indoor room sensor. Avoid locating the wired handset at isolated
places where room temperature reading will be inaccurate.
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