blower section. Upon loss of air flow, this control shall terminate system operation. 2.7 Electrical System A. The electrical system shall conform to National Electric Code (NEC) requirements. B. OmegaAir unit shall have a single isolated electrical control panel located out of the air stream. Access to the control panel shall be from the right side of the unit. A single point power connection shall be provided through the right side of the cabinet. Power shall be connected to factory installed terminal blocks. Ground lug shall be affixed in the control panel. C. All electrical components (blower motor, compressor(s), etc.) shall have individual definite purpose contactors. D. A low-voltage transformer, with protection, shall be provided to supply 24 VAC to the control circuit. E. Terminal strips and blocks shall be factory installed internal to the control box and be clearly labeled for control wiring connections. External control wires shall enter the cabinet through the right side of the cabinet. F. Terminal blocks shall be factory provided for a Remote On / Off switch capability. Controls shall be suitably wired and enabled to accept a signal from a field supplied Remote On / Off switch. G. Terminal blocks shall be factory provided for a Fire / Smoke Detector sensor interface. Controls shall be suitably wired and enabled to accept a signal from a Fire / Smoke Detector. H. Each component be safety agency listed as required. All electrical components shall be labeled to co-ordinate with the unit wiring diagram provided. The unit shall contain the OA3 self-contained programmable microprocessor controller. The factory mounted controller shall include the following: An line by 22 character white backlit LCD wall mounted screen display shipped loose for field mounting. [An 8 line by 22 character white backlit LCD unit mounted screen display shall be factory installed.] English Text System Status Display
blower section. Upon loss of air flow, this control shall terminate system operation. 2.7 Electrical System A. The electrical system shall conform to National Electric Code (NEC) requirements. B. OmegaAir unit shall have a single isolated electrical control panel located out of the air stream. Access to the control panel shall be from the right side of the unit. A single point power connection shall be provided through the right side of the cabinet. Power shall be connected to factory installed terminal blocks. Ground lug shall be affixed in the control panel. C. All electrical components (blower motor, compressor(s), etc.) shall have individual definite purpose contactors. D. A low-voltage transformer, with protection, shall be provided to supply 24 VAC to the control circuit. E. Terminal strips and blocks shall be factory installed internal to the control box and be clearly labeled for control wiring connections. External control wires shall enter the cabinet through the right side of the cabinet. F. Terminal blocks shall be factory provided for a Remote On / Off switch capability. Controls shall be suitably wired and enabled to accept a signal from a field supplied Remote On / Off switch. G. Terminal blocks shall be factory provided for a Fire / Smoke Detector sensor interface. Controls shall be suitably wired and enabled to accept a signal from a Fire / Smoke Detector. H. Each component be safety agency listed as required. All electrical components shall be labeled to co-ordinate with the unit wiring diagram provided. The unit shall contain the OA3 self-contained programmable microprocessor controller. The factory mounted controller shall include the following: An line by 22 character white backlit LCD wall mounted screen display shipped loose for field mounting. [An 8 line by 22 character white backlit LCD unit mounted screen display shall be factory installed.] English Text System Status Display
OmegaAir-Engineering-Guide-Spec_Horizontal-Air-Cooled-0718.docx