Orange County NC Website
DocuSign Envelope ID: E9612703-F25B-492D-9C8C-EC3F9728ECE6 <br /> D. Coil: <br /> Coil shall be copper tube with aluminum fins and galvanized steel <br /> tube sheets. Fins shall be bonded to the tubes by mechanical <br /> expansion. A drip pan under the coil shall have a drain connection <br /> for hose attachment to remove condensate. Condensate pan shall <br /> have internal trap. <br /> E. Motors: <br /> Motors shall be totally enclosed,permanently lubricated ball <br /> bearing with inherent overload protection.Fan motors shall be <br /> 4--speed. <br /> F. Controls: <br /> Controls shall consist of a microprocessor-based control system <br /> which shall control space temperature, determine optimum fan <br /> speed, and run self diagnostics. The temperature control range shall <br /> be from 62_F to 84_F (16.7_C to 28.9_C). <br /> The unit shall have the following functions as a minimum: <br /> 1. Automatic restart after power failure at the same operating <br /> conditions as at failure. <br /> 2. A timer function to provide a minimum 24-hour timer cycle <br /> for system Auto Start/Stop. <br /> 3. Wireless infrared remote control to enter set points and <br /> operating conditions. <br /> 4.Automatic air sweep control to provide on or off activation <br /> of air sweep louvers. <br /> 5. Dehumidification mode shall provide increased latent <br /> removal capability by modulating system operation and set <br /> point temperature. <br /> 6.Fan-only operation to provide room air circulation when no <br /> heating/cooling is required. <br /> 7.Diagnostics shall provide continuous checks of unit <br /> operation and warn of possible malfunctions.Error <br /> messages shall be displayed at the unit. <br /> 8.Fan speed control shall be user-selectable: high, medium, <br /> low or microprocessor controlled automatic operation <br /> during all operating modes. <br /> 9. Cold blow prevention control to ensure that cold air is not <br /> blown into the occupied space after the compressor is <br /> de--energized in the heating cycle. <br /> The unit shall be protected against the following: <br /> 1. Indoor coil freeze up <br /> 2. Indoor coil high temperature protection shall be provided to <br /> detect excessive indoor discharge temperature when unit is <br /> in heat pump mode. <br /> 15H-23 <br />