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<br />808 Aviation Parkway, Suite 1100, Morrisville, NC 27560 – Tel: 866.328.2764 – bradyservices.com <br />Page 3 of 5 <br />o Disconnect and remove existing chiller load side power and control wiring. <br />o Reuse existing disconnect. <br />o Disconnect pumps P-1,2,5 <br /> <br /> Installation <br />o Install new VFD’s for pumps P-1,2,5 and wire <br />o Reconnect pumps P-1,2,5 from load side of VFD’s <br />o Provide new load side power feed from panel to chiller per manufacturer’s <br />requirements. <br /> Testing <br />o Verify proper rotation and voltage before energizing chiller. <br /> <br />3. Controls <br /> Demolition <br />o Remove old control wiring and sensors associated with previous chiller. <br /> Installation <br />o Integrate new chiller into BAS via BACnet/IP or Modbus (as specified). <br /> Configure points for: <br /> Siemens BACnet IP PXC Controller with the following points (26 <br />hardwired points, 40 integration points): Chiller Enable <br /> Chiller Status <br /> Chiller Setpoint <br /> Chiller Fault <br /> Chiller Supply Temperature <br /> Primary Pump P-5 Start/Stop wiring (Pump to be started by chiller) <br /> Primary Pump P-5 Status <br /> Primary Pump P-5 VFD Fault <br /> Primary Pump P-5 VFD Speed Control <br /> Primary Pump P-5 VFD Speed Feedback <br /> Building Chilled Water Return Temperature <br /> Building Chilled Water Return Flow <br /> Decoupler Line Temperature <br /> (2) Secondary Pump (P-1 and P-2) Start/Stop <br /> (2) Secondary Pump (P-1 and P-2) Status <br /> (2) Secondary Pump (P-1 and P-2) VFD Fault <br /> (2) Secondary Pump (P-1 and P-2) VFD Speed Control <br /> (2) Secondary Pump (P-1 and P-2) VFD Speed Feedback <br /> Building Chilled Water Supply Temperature <br />Docusign Envelope ID: 8E7F8A38-088B-4CBD-BB93-D9B5A5272522