Carrier 50UA-UH 135 - Unit Options: Fire Safety and Airflow Control; Smoke Detector + DAD and Fire Thermostat; Duct Connection and Variable Air Volume (VAV)

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4HE$!$ISFACTORYlTTEDUNDERTHECONTROLBOARDANDITS
smoke detector is located in the return air side. If smoke is
detected, there will be an alarm on the
Touch Pilot control
and the necessary actions will be taken. This smoke detection
option complies with French regulations for public buildings.
For mechanical and electrical connections of this option
PLEASEREFERTOTHECERTIlEDDRAWINGSANDWIRINGDIAGRAMS
and to the
Touch Pilot Control IOM for further information.
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4HElRETHERMOSTATISFACTORYlTTEDINTHERETURNAIRSTREAM
and checks the return air temperature. The factory setting is
70°C and adjustable. If the return air temperature exceeds
70°C, there will be an alarm on the Touch Pilot control and
the necessary actions will be taken. For mechanical and
electrical connections of this option please refer to the
CERTIlEDDRAWINGSANDWIRINGDIAGRAMSANDTOTHETouch
Pilot Control IOM for further information.
1.12 - Í»Ì»ÇÆƽ»ÌÁÇÆ
Fixation frame allows easy duct connection for inlet and
outlet ducts when the roofcurb accessories are not selected.
but this option is also required when the roofcurb
accessories are selected.
The standard unit is bottom supply and return, but it is
possible to select side supply or return as an option
(See Fig. 5).
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4HISOPTIONPROVIDESWIDERANGEOFSUPPLYAIRmOWAND
reduction in supply fan power consumption when needed.
6ARIABLE!IR6OLUMEOPTIONINCLUDESTWOlXEDSPEED
pulleys with variable frequency drive (VFD).
Variable frequency drives contain high voltage when
connected to the rooftop unit mains. Installation, start-up
ANDMAINTENANCESHOULDONLYBEPERFORMEDBYQUALIlED
personnel. Failure to comply could result in death or
serious injury.
&REQUENCYDRIVECONlGURATIONISPREPAREDTOCOMMUNICATE
with Touch PilotCONTROLINTHEFACTORYTOBECONlGURED
SPECIlCALLYFORTHECUSTOMERMACHINETouch Pilot is
SELECTINGTHECONlGURATIONFOREACHUNITDEPENDINGONTHE
fan and motor sizes. Do not attempt to make any change
on VFD.
!IRmOWCALIBRATIONSHALLBEDONEDURINGCOMMISSIONING
Please refer to the Touch Pilot Control IOM for further
information.
For mechanical and electrical connections of this option
PLEASEREFERTOTHECERTIlEDDRAWINGSANDWIRINGDIAGRAMS
and to the Touch Pilot Control IOM for further
information
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