Chapter 1 Fundamental And Basic Concept DDC Wiring
User Manual: DDC
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႔ Chapter-7 Direct Digital Controllers (DDC) Wiring Chapter-7 Direct Digital Controllers (DDC) Wiring Direct Digital Controller (DDC) ၇.၁ Fan Coil Unit ႔ ၏ input control output terminal wing ႔ DDC Controller (Model: UFC0882L) ၇-၁ FCU Control(with valve) ၇.၁.၁ Description DDC Controller(Model: UFC0882L) LONMARK® Functional Object type 8020 ဤ controller FCU ၏ capacity ၍ Fan Coil Unit(FCU) control ခခ Cooling Only Application configure ခ control 7-1 HVAC Control and Building Automation Systems On/Off type actuator ၏ capacity ႔ ၍ valve (open)၊ ခ FCU control ၇-၂( ) Valve Open Control ၇-၂(ခ) Valve Close Control ၇.၁.၂ DDC Terminal Block Assignment UFC0882L Terminal Block (၇)ခ TB1 TB6 TB8 terminals ႔ 8 Terminal Label Description Remark Block No TB1 TB2 TB4 TB5 TB6 7-2 AC24V 24 VAC Input(L) COM 24 VAC Input(N) TO4 On/Off Valve control(DO) TO6 FCU Start/Stop control(DO) UI1 FCU On/Off status(DI) COM Com for UI1 & UI2 UI2 FCU Mode status(DI) UI3 FCU Trip status(DI) COM Com for UI3 & UI4 UI4 FCU Water leakage status(DI) UI5 FCU Valve status(DI) COM Com for UI5 & UI6 UI6 Return Air Temperature(AI) N+ Network wire from previous DDC N- Network wire from previous DDC N+ Network wire to next DDC N- Network wire to next DDC Only for Type 1 FCU Only for Type 1 FCU Only for Type 1 FCU TB3 TB ႔ Chapter-7 Direct Digital Controllers (DDC) Wiring ၇.၁.၃ DDC Layout & Wiring Diagram NOTE: 1) # RETURN AIR SENSOR(AI) & VALVE CONTROL(DO) ONLY APPLICABLE FOR TYPE 1 FCU 2) EACH COM TERMINAL TO BE SHARED BY 2 UI TERMINALS 3) ALL DIGITAL OUTPUTS ARE 24 Vac TRIAC OUTPUTS ၇-၃ ၁.၂ Fan Controller DDC(Model U6F2484L) DX/FCU Control S/S = Start/Stop control TA = Trip Alarm ၇-၄ ST = On/Off status A/M= Auto/Manual status 7-3 HVAC Control and Building Automation Systems ႔ ၇.၂.၁ Description DDC fan (၈) control ဤ control Fan ၄ LONMARK® controller DX unit Fan Controller ႔ FCU ခ control DX unit FCU monitor ႔ configure control ၁.၂.၂ DDC Terminal Block Assignment(UGM2484L) Terminal Label Description Remark Block No TB0 TB1 TB2 TB3 TB4 TB5 TB6 TB7 +24V 24 VAC Input(L) COM 24 VAC Input(N) AO1 Analog Output 1 COM Com terminal for AO1 & AO2 AO2 Analog Output 2 AO AO3 Analog Output 3 commanded via binding COM Com terminal for AO3 & AO4 AO4 Analog Output 4 UI1 – UI4 COM UI5 – UI8 COM UI9 – UI12 COM UI13 – UI16 COM UI17 – UI20 COM UI21 – UI24 COM P3 TB8 COM P4 TB9 TB10 7-4 TO1-TO8 channels to be Universal Inputs 1-4 2 COM Terminals for UI 1-4 Each com shared by 2 UI Universal Inputs 5-8 2 COM Terminals for UI 5-8 Each com shared by 2 UI Universal Inputs 9-12 2 COM Terminals for UI 9-12 Each com shared by 2 UI Universal Inputs 13-16 2 COM Terminals for UI 13-16 Each com shared by 2 UI Universal Inputs 17-20 2 COM Terminals for UI 17-20 Each com shared by 2 UI Universal Inputs 21-24 2 COM Terminals for UI 21-24 Each com shared by 2 UI High/Low frequency Pulse Input 1 Com terminal for P3 & P4 High/Low frequency Pulse Input 2 Digital Output 1 - 8 N+ Network wire from previous DDC N- Network wire from previous DDC N+ Network wire to next DDC N- Network wire to next DDC DO channels to commanded via binding be ႔ Chapter-7 Direct Digital Controllers (DDC) Wiring ၇.၂.၃ DDC Layout & Wiring Diagram ၇-၅ ၇.၃ FAN CONTROL DDC U8F2484L ၇-၆ Type 1. M/V Fan Control 7-5 HVAC Control and Building Automation Systems ႔ ၇.၃.၁ Description DDC fan ၈ control ဤ LONMARK® Mechanical Ventilation Fan ၈ control configure ၇-၇ M/V Fan Control & General Digital Input monitoring ၇.၃.၂ DDC Terminal Block Assignment(U8F2484L) Terminal Label Description Remark Block No TB0 TB2 TB3 TB4 TB5 TB6 TB7 TB9 7-6 +24V 24 VAC Input(L) COM 24 VAC Input(N) UI1 – UI4 Digital Inputs 1-4(DI) COM 2 COM Terminals for DI 1-4 UI5 – UI8 Digital Inputs 5-8(DI) COM 2 COM Terminals for DI 5-8 UI9 – UI12 Digital Inputs 9-12(DI) COM 2 COM Terminals for DI 9-12 UI13 – UI16 Digital Inputs 13-16(DI) COM 2 COM Terminals for DI 13-16 UI17 – UI20 Digital Inputs 17-20(DI) COM 2 COM Terminals for DI 17-20 UI21 – UI24 Digital Inputs 21-24(DI) COM 2 COM Terminals for DI 21-24 TO1 Digital Output 1(Fan 1) TO2 Digital Output 2(Fan 2) TO3 Digital Output 3(Fan 3) TO4 Digital Output 4(Fan 4) TO5 Digital Output 5(Fan 5) Each com shared by 2 DI Each com shared by 2 DI Each com shared by 2 DI Each com shared by 2 DI Each com shared by 2 DI Each com shared by 2 DI ႔ TB10 Chapter-7 Direct Digital Controllers (DDC) Wiring TO6 Digital Output 6(Fan 6) TO7 Digital Output 7(Fan 7) TO8 Digital Output 8(Fan 8) N+ Network wire from previous DDC N- Network wire from previous DDC N+ Network wire to next DDC N- Network wire to next DDC ၇.၃.၃ DDC Layout & Wiring Diagram NOTE: ALL DIGITAL OUTPUTS ARE 24 Vac TRIAC OUTPUTS ၇-၈ 7-7 HVAC Control and Building Automation Systems ႔ ၇.၄ Constant Air Volume(CAV) AHU Controller(UAH1464L) ၇-၉ ၇.၄.၁ Description Constant Air Volume(CAV) AHU DDC controller( control Inputs UAH1464L model controller Universal input (၁၁)ခ a Digital inputs (၃)ခ (connect) UAH1464L ၍ sensor (၁) Digital Inputs(Dry contacts) 7-8 • Selector mode status • Smoke detector status • On/Off status • General dry contacts ခ ႔ Chapter-7 Direct Digital Controllers (DDC) Wiring • Trip status (၂) Universal Inputs (0-5 Vdc/4-20mA/ NTC 10K temperature/Dry contacts) • Temperature sensors • Chilled water flow rate • Valve position • Universal inputs Analog Input monitoring abnormal sensor reading ႔ First order Low Pass Filter method Where, Vnew = New reading to be updated in DDC Vold = Old reading updated in DDC Vin = Sensor reading, C = constant (0.0~ 1.0) ၇-၁၀ AHU CONTROLLER DDC UAH1464L Outputs UAH1464L controller 20mA) Digital Outputs(24 Vac Triac) ႔ Analog Outputs(0-10 Vdc or 4- output signal (1) Digital Output Digital output channels (၆)ခ channel 1 DO control ႔ 2 DO control configure • AHU Start/Stop (Individual schedule or manual control) • DO 1 Start/Stop(Individual schedule manual control) • DO 2 Start/Stop(Individual schedule manual control) 7-9 HVAC Control and Building Automation Systems ႔ • Fresh air damper Open/Close control/Floating control • Re-heater On/Off control (2) Analog Output 2 nos. of Analog output channels, these are – • AHU Variable Speed drive control • AHU Chilled water valve control (cooling ) • AHU Heated water valve control (heating ) ၇.၄.၂ DDC Terminal Block Assignment(UAH1464L) Terminal Blocks ၇ခ Terminal TB1 TB6 TB8 terminals Label Description +24V 24 VAC Input(L) COM 24 VAC Input(N) TO1-TO6 Digital Output 1 - 6 AO1 Analog Output 1 COM Com terminal for AO1 & AO2 AO2 Analog Output 2 AO3 Analog Output 3 COM Com terminal for AO3 & AO4 AO4 Analog Output 4 N+ Network wire from previous DDC N- Network wire from previous DDC N+ Network wire to next DDC N- Network wire to next DDC UI1 Universal Input 1 COM COM Terminal for UI 1-2 UI2 Universal Input 2 UI3 Universal Input 3 COM COM Terminal for UI 3-4 UI4 Universal Input 4 UI5 Universal Input 5 COM COM Terminal for UI 5-6 UI6 Universal Input 6 UI7 Universal Input 7 COM COM Terminal for UI 7-8 UI8 Universal Input 8 UI9 Universal Input 9 ႔ Remark Block No TB8 TB3 TB4 TB1 TB6 TB5 7-10 Only TO1 is used. Only AO2 is used. ႔ TB2 Chapter-7 Direct Digital Controllers (DDC) Wiring COM COM Terminal for UI 9-10 UI10 Universal Input 10 UI11 Universal Input 11 COM COM Terminal for UI 11 DI1 Digital Input 1 COM Com terminal for DI 1& DI 2 DI2 Digital Input 2 DI3 Digital Input 3 COM Com terminal for DI 3 ၇.၄.၃ DDC Layout & Wiring Diagram CAV AHU ၇-၁၁ 7-11 HVAC Control and Building Automation Systems Valve Interlock with AHU status ၁.၄.၄ CAV AHU Typical Sensor Termination TYPICAL SENSOR TERMINATION ၇-၁၃ 7-12 ႔ ၇-၁၂ ႔ ၇.၅ VAV AHU Chapter-7 Direct Digital Controllers (DDC) Wiring ၏ Controller Control Logic ၇-၁၄ Building Automation System(BAS) Building Automation System ၌ AHU AHU graphic ၏ Direct Digital Controller(DDC) ခ ၇-၁၅ ( ႔ AHU graphic ) Air Handling Unit Control logic Building Automation System ခ field device ၊ Input Output 7-13 HVAC Control and Building Automation Systems ႔ Legend SP: Static pressure ST: On/Off status RH: Relative Humidity TA: trip alarm WFR: water flow rate A/M: Auto/Manual mode KWH: kilo-watt hour SD: Smoke detector S/S: Start/Stop control DPS: Differential pressure VSD: variable speed drive switch M: motorised actuator WLD: Water leakage Detector O/C: Open/Close control T: Temperature ၇-၁၅ ခ Air Handling Unit ခ field device ၊ Input Output ၏ Legend ၇.၅.၁ Description of DDC Inputs and Outputs Variable Air Volume (VAV) AHU control application Digital Controller (DDC) Direct model UAH2484L Direct Digital Controller (DDC)၏ Input Direct Digital Controller(DDC) UAH24842L ၍ Input (1) Digital Input(Dry contacts) Direct Digital Controller(DDC) UAH24842L ၇-၁၆ VAV AHU 7-14 ၏ controller Digital Input (၁၅)ခ Input Output ခ (connect) ႔ VAV AHU Chapter-7 Direct Digital Controllers (DDC) Wiring ၏ controller control logic Digital Input • Selector mode status • On/Off status • Trip status • Smoke detector status(maximum 4 nos.) • General dry contacts(maximum 8 nos.) ႔ (2) Analog Input(0-5 Vdc/4-20mA/ NTC 10K temperature) Direct Digital Controller(DDC)UAH24842L Analog Input (၁၂)ခ ခ (connect) Analog Input • Temperature sensors(maximum 4 nos.) • Static Pressure • Chilled water flow rate • CO2 • Universal Input(maximum 5 nos.) ႔ Analog Input monitoring ႔ (abnormal) sensor reading “ Where, M ” Vnew = New reading to be updated in DDC Vold = Old reading updated in DDC Vin = Sensor reading, C = constant(0.0~ 1.0) (3) Pulse Input Direct Digital Controller(DDC) UAH24842L pulse width (value) 0 1,999,999,999 ၅၀ ႔ pulse Input (၁)ခ ခ (connect) Accumulated counter (display) Output Direct Digital Controller (DDC) UAH24842L Digital Output(24 Vac Triac) & Analog Output(0-10 Vdc or 4- 20mA) Variable Air Volume (VAV) AHU ၏ DDC Layout Wiring Diagram 7-15 HVAC Control and Building Automation Systems ႔ ၇-၁၇ Variable Air Volume (VAV) AHU ၏ DDC Layout Wiring Diagram (4) Digital Output Direct Digital Controller(DDC)UAH24842L Channel AHU ခ ခခ Digital Digital Output control (၁)ခ output channel configure / AHU Start/Stop(Individual schedule or manual control) / Fan 1 Start/Stop(Individual schedule manual control)(used as By pass damper control ) / Fan 2 Start/Stop(Individual schedule manual control) Return air damper / Return air damper Open/Close control(interlock with AHU operation) Exhaust air damper / Exhaust air damper Open/Close control(interlock with AHU operation) Variable Air Volume (VAV) AHU ၏ Typical Sensor Termination 7-16 (၅)ခ ႔ Chapter-7 Direct Digital Controllers (DDC) Wiring ၇-၁၈ Variable Air Volume(VAV)AHU ၏ Typical Sensor Termination (5) Analog Output Direct Digital Controller(DDC) UAH24842L Analog output channel ခ • AHU Variable Speed Drive(VSD) control • AHU chilled water valve control ႔ ၇.၅.၂ DDC Terminal Block Assignment (UAH2484L) Terminal Block (၇)ခ Terminal Block No TB0 TB1 TB2 TB1 TB6 TB8 terminal Label Description +24V 24 VAC Input(L) COM 24 VAC Input(N) AO1 Analog Output 1 COM Com terminal for AO1 & AO2 AO2 Analog Output 2 UI1 – UI4 Universal Input 1-4 ႔ Remark 7-17 HVAC Control and Building Automation Systems TB3 TB4 ႔ COM 2 COM Terminals for UI 1-4 Each com shared by 2 UI UI5 – UI8 Universal Input 5-8 COM 2 COM Terminals for UI 5-8 UI9 – UI12 Universal Input 9-12 COM 2 COM Terminals for UI 9-12 Each com shared by 2 UI Each com shared by 2 UI UI13 – UI16 Universal Input 13-16 TB5 COM 2 COM Terminals for UI 13-16 Each com shared by 2 UI UI17 – UI20 Universal Input 17-20 TB6 COM 2 COM Terminals for UI 17-20 Each com shared by 2 UI UI21 – UI24 Universal Input 21-24 TB7 TB8 TB9 TB10 COM 2 COM Terminals for UI 21-24 Each com shared by 2 UI P3 Pulse Input COM Com terminal for P3 & P4 P4 Pulse Input TO1-TO8 Digital Output 1 - 8 N+ Network wire from previous DDC N- Network wire from previous DDC N+ Network wire to next DDC N- Network wire to next DDC Only P3 is used. Only TO1,3,5,6 are used. TO3 not used for Tower 1 ၇.၅.၃ AHU Control Logic AHU operating mode (၅) (၁) Purge mode (၂) Alarm mode (၃) Normal operation mode (၄) Manual control mode (၅) Bypass damper control ႔ (၁) Purge mode Purge mode AHU ခ ခ ခ ႔ ခ “ u M ” ခ Network controller Controller purge “ u ႔ M ” ႔ “ u output network M ” ) controlled device • On/Off (type) exhaust air damper (set to open) • On/Off (type) return air damper (set to close) 7-18 purge mode enable ႔ Chapter-7 Direct Digital Controllers (DDC) Wiring • AHU supply air fan • Modulating (run) Fan speed “ u (type) chilled water valve M ” set point (set to 0%) (၂) Alarm mode ၍ “ ႔ ခ M ခ ” ႔ ခ ႔ AHU AHU ႔ Blower ၏ VSD speed Return air damper (set to close) ၍ AHU damper chilled water valve (open) (fully close) Exhaust air damper return air (close) (၃) Normal operation mode ခ ၊ ခ (start/stop) (manually) ႔ schedule AHU “ DDC ခ ၊ ခ ႔ Auto mode ” ႔ mode selection switch selector switch ႔ ႔ selector switch ၍ Mode selection switch local mode ႔ DDC ခ ၊ ခ (၄) Manual control Mode • On/Off (type) exhaust air damper • On/Off (type) return air damper • AHU supply air fan (set to close) (set to open) fan speed PID algorithm static pressure setpoint output contol singal • Modulating (type) chilled water valve algorithm VSD cooling set point output contol singal PID modulating actuator AHU • On/Off type Exhaust air damper (set to close) • On/Off type return air damper • VSD output • Valve output 0% (set to open) (set to 0 %) 0% (set to 0 %) (၅) Bypass damper control Bypass damper control ခ ၊ ခ (open/close) AHU interlock manually ႔ u 7-19 HVAC Control and Building Automation Systems ႔ Chilled water valve control modulating type chilled water valve Actuator control 0~10 Vdc control signal Temperature setpoint default PID parameter • default setpoint • Supply air temperature control PID loop u • Proportional band ၏ default value • Dead band ၏ default value ၇-၁၉Modulating valve control ၇-၂၀Temperature control Integral ၏ default value ( derivative constant default value PI control 0 ) Supply Fan Variable Speed Drive (VSD) control Variable Speed Drive(VSD) Signal control Output 0~10 Vdc Temperature setpoint default PID parameter • Default setpoint • Minimum supply air static pressure control PID loop u Sensor range • Proportional band ၏ default value • Dead band ၏ default value Integral ၏ default value ( 7-20 PI control derivative constant default value ) ႔ Chapter-7 Direct Digital Controllers (DDC) Wiring ၇-၂၁ VSD control ၇-၂၂ Static Pressure Control ၇.၆ VAV Box DDC Controller(Model: UAV0520L) ၇.၆.၁ Description UAV0520L Variable Air Volume( u M ၍ application set-point configure ဤ controller space temperature cooling only set DDC controller Floating type damper cool air actuator space damper ႔ DDC controller control ႔ cool air airflow rate set-point temperature Cooling Maximum Flow VAV Cooling Minimum Flow Box controller program ၌ ထည့္ေပးရန္လိုသည္။ ၇-၂၃ ၇.၆.၂ Control of Pressure Independent VAV Operation ၇-၂၄ Note:(ф M u u 7-21 HVAC Control and Building Automation Systems ၇-၂၅ Air Flow Maximum Flow ႔ Minimum Flow ခ ၇.၆.၃ DDC Terminal Block Assignment(UAV0520L) Terminal Blocks (၇)ခ Terminal TB1 TB6 Label NET terminals ႔ Description Block TB1 TB2 TB3 TB4 TB5 TB6 COM 24 VAC Input(N) 24V 24 VAC Input(L) MO Motor Open(Triac output for Damper open control) 24V 24 VAC output to damper actuator MC Motor Close(Triac output for Damper close control) RV1 Not used RV2 Not used RV3 Not used 24V Not used FAN Not used COM Common(Ground) for Thermostat +5V +5 VDC Power Supply for Thermostat TS Space Temperature Sensor input T/O Set point adjustment input from Thermostat EXT Not used +5 +5 VDC Power Supply for Occupancy Detector(If connected) OD Occupancy Detector Input from sensor COM NET 7-22 Common(Ground) N+ Network Input N- Network Output ႔ Chapter-7 Direct Digital Controllers (DDC) Wiring N+ Network Input N- Network Output ၇.၆.၄ DDC Layout and Wiring Diagram ၇-၂၅ ၇.၇ Lighting Controller DDC(ULC0882L) ၇.၇.၁ Description ULC0882L Lighting controller Program LONMARK® standard Lighting DB ULC0882L modle DDC controller control DB ၏ On/Off status Universal inputs (၈)ခ monitor configured to monitor ULC0882L connecte sensor (၁) Digital Inputs(Dry contacts) (၃) Analog Inputs(4-20mA) (၂) Analog Inputs(0-5 Vdc) (၄) Temperature sensors(NTC 10K Thermistor, -15°C to 100°C) ဤ ႔ Dry contact digital input ၇.၇.၂ Output channels Controller Digital Outputs(maximum 8 nos. 24 Vac Triac) (maximum 2 nos. 0-10 Vdc) ဤ ႔ Analog Outputs command Digital Output(DO) 7-23 HVAC Control and Building Automation Systems ႔ ၇-၂၆ DI = Digital Input and DO = Digital Output Terminal Blocks (၇) ခ TB1 TB6 TB8 terminals ႔ ၇.၇.၃ DDC Terminal Block Assignment (ULC0882L ) Terminal Label Description AC24V 24 VAC Input(L) COM 24 VAC Input(N) TB2 TO1-TO8 DO Channels 1-8 TB3 AO1-AO2 AO Channels 1-2 TB4 UI1 Universal Input 1 COM Com for UI1 & UI2 UI2 Universal Input 2 UI3 Universal Input 3 COM Com for UI3 & UI4 UI4 Universal Input 4 UI5 Universal Input 5 COM Com for UI5 & UI6 UI6 Universal Input 6 UI7 Universal Input 7 COM Com for UI7 & UI8 UI8 Universal Input 8 N+ Network wire from previous DDC N- Network wire from previous DDC N+ Network wire to next DDC Remark Block No TB1 TB5 TB6 7-24 All UI are digital inputs ႔ Chapter-7 Direct Digital Controllers (DDC) Wiring N- Network wire to next DDC ၇.၇.၄ DDC LAYOUT & WIRING DIAGRAM NOTE: 1) EACH COM TERMINAL TO BE SHARED BY 2 UI TERMINALS 2) ALL DIGITAL OUTPUTS ARE 24 Vac TRIAC OUTPUTS 3) ALL ANALOG OUTPUTS ARE 0-10 Vdc ၇-၂၆ 7-25 HVAC Control and Building Automation Systems ႔ ၇.၇.၅ Typical Sensor Termination ၇-၂၇ ULC0882LT7V1 DDC internal schedule DDC ၍ Lighting Distribution Board( Lighting DB (၈)ခ ၏ status Start/Stop control ၇-၂၈ ULC0882LT7V2 Male/Female toilet lighting Toilet 7-26 control ၌ Occupancy detector CAV controller(E1/E2) ခ (connect)၍ ႔ Chapter-7 Direct Digital Controllers (DDC) Wiring Toilet lighting unoccupied status (u ႔ Occupancy status changes ခ (delay) Toilet lighting ၇-၂၉ ၇.၈ GENERAL MONITORING DDC UGM0882L ၇.၈.၁ Description M UGM0882L M ခ (connect) (၁) Digital Inputs(Dry contacts) (၂) Analog Inputs(0-5 Vdc) (၃) Analog Inputs(4-20mA) Universal inputs (၈)ခ monitor sensors Analog Input monitoring abnormal sensor reading ႔ First order Low Pass Filter method Where, Vnew = New reading to be updated in DDC Vold = Old reading updated in DDC Vin = Sensor reading, C = constant(0.01~ 0.99)(Refer to SCPTdebounce) (၄) Pulse Inputs(minimum pulse width 500 ms)(0-9999 counts) Note: Accumulated counter value is saved in battery backed up RAM in the DDC; this value will be kept if DDC power is recycled. (၅) Temperature sensors(NTC 10K Thermistor, -15°C to 100°C) Output channels Other controllers via binding can command Digital Outputs(maximum 8 nos. 24 Vac Triac) & Analog Outputs(maximum 2 nos. 0-10 Vdc) of UGM0882L. 7-27 HVAC Control and Building Automation Systems ႔ ၇-၃၀ There are total 7 Terminal Blocks, TB1 to TB6 & TB8 terminals. ၇.၈.၂ Terminal Block Assignments(UGM0882L) Terminal Label Description Remark Block No AC24V 24 VAC Input(L) COM 24 VAC Input(N) TB2 TO1-TO8 DO Channels 1-8 TB3 AO1-AO2 AO Channels 1-2 TB4 UI1 Universal Input 1 COM Com for UI1 & UI2 UI2 Universal Input 2 UI3 Universal Input 3 COM Com for UI3 & UI4 UI4 Universal Input 4 UI5 Universal Input 5 COM Com for UI5 & UI6 UI6 Universal Input 6 UI7 Universal Input 7 COM Com for UI7 & UI8 UI8 Universal Input 8 N+ Network wire from previous DDC TB1 TB5 TB6 7-28 DO channels to be commanded via binding AO channels to commanded via binding be ႔ Chapter-7 Direct Digital Controllers (DDC) Wiring N- Network wire from previous DDC N+ Network wire to next DDC N- Network wire to next DDC ၇.၈.၃ Typical Sensor Termination DDC LAYOUT(Controller Model UGM0882L ) NOTE: 1) EACH COM TERMINAL TO BE SHARED BY 2 UI TERMINALS 4) ALL DIGITAL OUTPUTS ARE 24 Vac TRIAC OUTPUTS 5) ALL ANALOG OUTPUTS ARE 0-10 Vdc ၇-၃၁ 7-29 HVAC Control and Building Automation Systems ႔ ၇.၈.၄ DDC LAYOUT & WIRING DIAGRAM TYPICAL SENSOR TERMINATION ၇-၃၂ ၇.၉ General Monitoring DDC UGM2484L ၇.၉.၁ Description UGM2484L is General Monitoring controller Maximum 24 nos. of Universal inputs UGM24842L controller ခ monitor 2 nos. of High frequency Pulse inputs (connect) I/O point (၁) Digital Inputs (Dry contacts) (၂) Analog Inputs (0-5 Vdc) (၃) Analog Inputs(0-20mA) Analog Input monitoring Low Pass Filter method 7-30 abnormal sensor reading is used to ႔ First order ႔ Chapter-7 Direct Digital Controllers (DDC) Wiring Where, Vnew = New reading to be updated in DDC Vold = Old reading updated in DDC Vin = Sensor reading, C = constant(0.01~ 0.99)(Refer to SCPTdebounce) (၄) Low Frequency Pulse Inputs(counter value 0-9999) (minimum pulse width 500ms) (၅) High Frequency Pulse Inputs(counter value 0-1,999,999,999) (minimum pulse width 50ms) (Only for terminal P3&P4) Note: Accumulated counter value is saved in battery backed up RAM in the DDC; this value will be kept if DDC power is recycled. (၆) Temperature sensors(NTC 10K Thermistor, -15°C to 100°C) (၇) Temperature sensors(Platinum 1K RTD type)(Only for UI17-UI24) ၇.၉.၂ Output channels Other controllers via binding can command Digital Outputs(maximum 8 nos. 24 Vac Triac) & Analog Outputs(maximum 4 nos. 0-10 Vdc/0-20 mA) of UGM2484L. ၇-၃၃ ၁.၉.၃ DDC Terminal Block Assignment(UGM2484L) Terminal Label Description Remark Block No TB0 TB1 +24V 24 VAC Input(L) COM 24 VAC Input(N) AO1 Analog Output 1 COM Com terminal for AO1 & AO2 AO channels to be commanded AO2 Analog Output 2 via binding AO3 Analog Output 3 7-31 HVAC Control and Building Automation Systems TB2 TB3 TB4 TB5 TB6 TB7 COM Com terminal for AO3 & AO4 AO4 Analog Output 4 UI1 – UI4 COM UI5 – UI8 COM UI9 – UI12 COM UI13 – UI16 COM UI17 – UI20 COM UI21 – UI24 COM P3 TB8 COM P4 TB9 TB10 7-32 TO1-TO8 ႔ Universal Inputs 1-4 2 COM Terminals for UI 1-4 Each com shared by 2 UI Universal Inputs 5-8 2 COM Terminals for UI 5-8 Each com shared by 2 UI Universal Inputs 9-12 2 COM Terminals for UI 9-12 Each com shared by 2 UI Universal Inputs 13-16 2 COM Terminals for UI 13-16 Each com shared by 2 UI Universal Inputs 17-20 2 COM Terminals for UI 17-20 Each com shared by 2 UI Universal Inputs 21-24 2 COM Terminals for UI 21-24 Each com shared by 2 UI High/Low frequency Pulse Input 1 Com terminal for P3 & P4 High/Low frequency Pulse Input 2 Digital Output 1 - 8 N+ Network wire from previous DDC N- Network wire from previous DDC N+ Network wire to next DDC N- Network wire to next DDC DO channels to be commanded via binding ႔ Chapter-7 Direct Digital Controllers (DDC) Wiring ၇.၉.၄ DDC Layout & Wiring Diagram ၇-၃၄ 7-33 HVAC Control and Building Automation Systems ႔ ၇.၉.၅ Typical Sensor Termination ၇-၃၅ -End- 7-34 ႔ Chapter-7 Direct Digital Controllers (DDC) Wiring Contents ၇.၁ Fan Coil Unit control DDC Controller (Model: UFC0882L) ...................1 ၇.၁.၁ Description ............................................................................................................................. ၇.၁.၂ DDC Terminal Block Assignment UFC0882L............................................................................. ၇.၁.၃ DDC Layout & Wiring Diagram ............................................................................................... ၁.၂ Fan Controller DDC(Model U6F2484L) ................................................................................3 ၇.၂.၁ Description ............................................................................................................................. ၁.၂.၂ DDC Terminal Block Assignment(UGM2484L) ........................................................................... ၇.၂.၃ DDC Layout & Wiring Diagram ............................................................................................... ၇.၃ FAN CONTROL DDC U8F2484L ..........................................................................................5 ၇.၃.၁ Description ............................................................................................................................. ၇.၃.၂ DDC Terminal Block Assignment(U8F2484L) ............................................................................ ၇.၃.၃ DDC Layout & Wiring Diagram ............................................................................................... ၇.၄ Constant Air Volume(CAV) AHU Controller(UAH1464L) ........................................................8 ၇.၄.၁ Description ............................................................................................................................. ၇.၄.၂ DDC Terminal Block Assignment(UAH1464L) ............................................................................. ၇.၄.၃ DDC Layout & Wiring Diagram CAV AHU................................................................................. ၇.၅ VAV AHU ၏ Controller Control Logic ................................................................ 13 ၇.၅.၁ Description of DDC Inputs and Outputs .................................................................................... ၇.၅.၂ DDC Terminal Block Assignment (UAH2484L) ............................................................................ ၇.၅.၃ AHU Control Logic ................................................................................................................... ၇.၆ VAV Box DDC Controller(Model: UAV0520L) ..................................................................... 21 ၇.၆.၁ Description ............................................................................................................................. ၇.၆.၂ Control of Pressure Independent VAV Operation ....................................................................... ၇.၆.၃ DDC Terminal Block Assignment(UAV0520L) ............................................................................. ၇.၆.၄ DDC Layout and Wiring Diagram .............................................................................................. ၇.၇ Lighting Controller DDC(ULC0882L) ............................................................................... 23 ၇.၇.၁ Description ............................................................................................................................. ၇.၇.၂ Output channels ...................................................................................................................... ၇.၇.၃ DDC Terminal Block Assignment (ULC0882L ) ........................................................................... 7-35 HVAC Control and Building Automation Systems ႔ ၇.၇.၄ DDC LAYOUT & WIRING DIAGRAM .................................................................................................. ၇.၇.၅ Typical Sensor Termination ............................................................................................................ ၇.၈ GENERAL MONITORING DDC UGM0882L ......................................................................... 27 ၇.၈.၁ Description .................................................................................................................................... ၇.၈.၂ Terminal Block Assignments(UGM0882L) .......................................................................................... ၇.၈.၃ Typical Sensor Termination ............................................................................................................ ၇.၈.၄ DDC LAYOUT & WIRING DIAGRAM .................................................................................................. ၇.၉ General Monitoring DDC UGM2484L ................................................................................ 30 ၇.၉.၁ Description ..................................................................................................................................... ၇.၉.၂ Output channels.............................................................................................................................. ၁.၉.၃ DDC Terminal Block Assignment(UGM2484L) .................................................................................... ၇.၉.၄ DDC Layout & Wiring Diagram ....................................................................................................... ၇.၉.၅ Typical Sensor Termination .............................................................................................................. 7-36
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