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3V System Layouts. RTU. RTU. RTU. RTU. Unit Sensors. Unit Sensors. Unit Sensors. Unit Sensors. 120vac. 120vac. 24vac 40va. 24vac 40va. 3V PremierLink System. Communication Bus 20/3/shielded cable (See Notes 1,2). 24vac 40va. 24vac 40va. 24vac 40va. 24vac 40va. 120vac.
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RTU RTU RTU RTU Unit Sensors Unit Sensors Unit Sensors Unit Sensors 120vac 120vac 24vac 40va 24vac 40va 3V PremierLink System Communication Bus 20/3/shielded cable (See Notes 1,2) 24vac 40va 24vac 40va 24vac 40va 24vac 40va 120vac 120vac 120vac 120vac CCN Communication (See Note 2) (See Note 2) 120vac 24vac 40va T55/56 T59 Digital CO2/T55/56 (Optional for DCV) (See Note 2,4) System Pilot
CCN Communicating RTU Supply Air Sensor (Use PremierLInk for non CCN communicating RTU) Communication Bus 20/3/shielded cable (See Notes 1,2) 120vac 24vac 40va 24vac 40va 24vac 40va 24vac 40va (See Note 2) Primary Air Sensor Duct Sensor (Locate upstream of damper) 24vac 40va 20/2/s cable (See Note2) (See Note 5) System Pilot 20/3/s cable (See Note2) Bypass VVT Linkage Master (See Note 3) VVT Zone VVT Zone CO2/T55/56 (Optional for DCV) (See Note 2,4) (Optional For Master) T55/56 T55/56 T55/56 Typical 3V VVT System
Typical 3V VVT System Notes • Notes: • 239 devices maximum per bus. Repeater required every 1000’ or 60 devices. Maximum of 3 repeaters per bus. • Communication bus and sensor wiring MUST be separate from AC power wiring • Maximum of 8 Masters per bus. • Combination CO2/T55/T56 sensor may be used in place of T55/56 on any zone requiring DCV. RTU must be capable of controlling economizer for DCV conditions. • Locate PAT in supply air duct from air source unit.
CCN Communicating RTU (Use PremierLInk for non CCN communicating RTU) Communication Bus 20/3/shielded cable (See Notes 1,2) 120vac 24vac 40va 24vac 40va 24vac 40va 24vac 40va (See Note 2) Primary Air Sensor Duct Sensor (Locate upstream of damper) 24vac 40va (See Note 5) 20/2/s cable (See Note2) System Pilot Bypass VVT Linkage Master (See Note 3,6) CID Zone CID Zone 20/3/s cable (See Note2) CO2/T55/56 (Optional for DCV) (See Note 2,4) T55/56 T55/56 3V VVT Pressure Independent Only System
3V VVT Pressure Independent Only System Notes • Notes: • 239 devices maximum per bus. Repeater required every 1000’ or 60 devices. Maximum of 3 repeaters per bus. • Communication bus and sensor wiring MUST be separate from AC power wiring. • Maximum of 8 Masters per bus. • Combination CO2/T55/T56 sensor may be used in place of T55/56 on any zone requiring DCV. RTU must be capable of controlling economizer for DCV conditions. • Locate PAT in supply air duct from air source unit. • VVT controller only is required for Master functions if all zones are pressure independent.
CCN Communicating RTU (Use PremierLInk for non CCN communicating RTU) Communication Bus 20/3/shielded cable (See Notes 1,2) 120vac 24vac 40va 24vac 40va 24vac 40va 24vac 40va (See Note 2) Duct Sensor (Locate upstream of damper) Primary Air Sensor 24vac 40va (See Note 5) 20/2/s cable (See Note2) System Pilot 32 zones max including Master Bypass VVT Linkage Master (See Note 3) CID Zone VVT Zone 20/3/s cable (See Note2) CO2/T55/56 (Optional for DCV) (See Note 2,4) (Optional For Master) T55/56 T55/56 T55/56 3V VVT Pressure Dependent & Independent System
VVT Pressure Dependent & Independent System Notes • Notes: • 239 devices maximum per bus. Repeater required every 1000’ or 60 devices. Maximum of 3 repeaters per bus. • Communication bus and sensor wiring MUST be separate from AC power wiring • Maximum of 8 Masters per bus. • Combination CO2/T55/T56 sensor may be used in place of T55/56 on any zone requiring DCV. RTU must be capable of controlling economizer for DCV conditions. • Locate PAT in supply air duct from air source unit.
CCN Communicating RTU Supply Air Sensor Primary Air Sensor (See Note 6) 20/2/s cable (See Note2) 20/3/s cable (See Note2) 3V VVT PD/PI w/FP Zones and/or Reheat System (Use PremierLInk for non CCN communicating RTU) Communication Bus 20/3/shielded cable (See Notes 1,2) 120vac 24vac 40va 24vac 40va 24vac 40va 24vac 40va (See Note 2) Supply Air Sensor Duct Sensor (Locate upstream of damper) (See Note 6) 24vac 40va (See Note 5) H C Pipe Sensor CID Zone w/Series FP and 2 Stage Electric Heat (See Note 7) VVT Linkage Master w/ Modulating HW (See Note 3,7) VVT Zone w/2 Position HW Baseboard Heat (See Note 7) System Pilot 32 zones max including Master Bypass CO2/T55/56 (Optional for DCV) (See Note 2,4) (Optional For Master) T55/56 T55/56 T55/56
VVT PD/PI w/FP Zones and/or Reheat System Notes • Notes: • 239 devices maximum per bus. Repeater required every 1000’ or 60 devices. Maximum of 3 repeaters per bus. • Communication bus and sensor wiring MUST be separate from AC power wiring. • Maximum of 8 Masters per bus. • Combination CO2/T55/T56 sensor may be used in place of T55/56 on any zone requiring DCV. RTU must be capable of controlling economizer for DCV conditions. • Locate PAT in supply air duct from air source unit. • Locate down stream of ducted reheat. • Option Board required for all VVT zones with • heat and/or fan powered mixing box.