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Termination diagrams

A set of Johnson Controls termination diagrams provides details for wiring inputs and outputs to the

controllers. See the figures in this section for the applicable termination diagrams.

Table 8: Termination details

Type of Field Device Type of Input/

Output

Termination diagrams

Voltage Input -

External Source

UI

Voltage Input -

Internal Source

UI

Voltage Input (Self-

Powered

)

UI

Temperature Sensor

UI

Dry Contact

UI

0–10 VDC Output to

Actuator (External

Source)

CO

M4-CVM03050 VAV Controllers Installation Guide

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Содержание M4-CVM03050

Страница 1: ...pecific documentation For information about mapping N2 Objects in controllers with switchable communications protocols refer to the N2 Compatibility Options chapter of the Controller Tool Help LIT 12011147 To configure CVM controllers to communicate using the N2 communications protocol see Configuring N2 communications The CVM controller can also be installed in a wireless application using a ZFR ...

Страница 2: ...050 physical features The following figure displays the physical features of CVM03050 and the accompanying table provides a description of the physical features and a reference to further information where required Figure 1 CVM03050 physical features Table 1 CVM03050 physical features Physical features description and references 1 Supply Power Terminal Block Gray terminal 24 VAC Class 2 see Supply...

Страница 3: ...ns specified in the Technical specifications section Provide sufficient space around the CVM for cable and wire connections and adequate ventilation through the controller at least 50 mm 2 in on the top bottom sides and front of the controllers Do not mount the CVM in areas where electromagnetic emissions from other devices or wiring can interfere with controller communication Avoid mounting the C...

Страница 4: ... full open position the controller provides the open stop for 45 and 60 boxes The closed damper seal provides the full closed stop Note The integrated actuator has a stroke time of 60 seconds for 90 of travel The stroke time is the amount of time in seconds that it takes the actuator to move from the fully closed to fully opened position or from fully open to fully closed position For proper opera...

Страница 5: ...s can result in permanent damage to the controller and void any warranty Important Use copper conductors only Make all wiring in accordance with local national and regional regulations Important Electrostatic discharge can damage controller components Use proper electrostatic discharge precautions during installation setup and servicing to avoid damaging the controller For detailed information abo...

Страница 6: ...d cable One twisted pair is the and leads The second pair pair is COM and POWER Note Do not use the modular SA Bus port and the terminal block SA Bus simultaneously Only use one of these connections at a time Note The CVM controller is the EOL for the SA Bus Table 3 SA bus configuration Description 1 Wiring for a terminating device on SA bus 2 SA bus terminal block plugs 3 Wiring for a daisy chain...

Страница 7: ...ption 5 COM Brown wire Note The HOT and COM labels are shown based on the order when looking from the front of the controller Note The supply power wire colors may be different on transformers from other manufacturers Refer to the transformer manufacturer s instructions and the project installation drawings for wiring details Important Connect 24 VAC supply power to the CVM and all other network d...

Страница 8: ...tin LIT 12011336 Terminal wiring guidelines functions ratings and requirements This section provides further guidelines on input and output wiring maximum cable length versus load current and SA Bus and supply power wiring For information about removing a terminal block from the controller see Removing a terminal block Input and Output wiring guidelines Table 5 provides information and guidelines ...

Страница 9: ...e 6 INn Binary Input Dry Contact Maintained Mode 1 second minimum pulse width Internal 12 V 15k ohm pull up See Guideline A in Table 6 UNIVERSAL Inputs ICOMn Universal Input Common for all Universal IN terminals Note All Universal ICOMn terminals are isolated from all other commons Same as Universal INn Analog Output Voltage Mode 0 10 VDC 10 VDC maximum output voltage 10 mA maximum output current ...

Страница 10: ...aximum cable length and type Assumptions 1 0 mm 18 AWG stranded copper 457 m 1 500 ft twisted wire 0 8 mm 20 AWG stranded copper 297 m 975 ft twisted wire 297 m 975 ft twisted wire 0 6 mm 22 AWG stranded copper 183 m 600 ft twisted wire 183 m 600 ft twisted wire A 0 5mm 24 AWG stranded copper 107 m 350 ft twisted wire 107 m 350 ft twisted wire 100 mV maximum voltage drop Depending on the cable len...

Страница 11: ...ire the FC SA buses and supply power Run all low voltage wiring and cables separate from high voltage wiring All FC and SA bus cables regardless of wire size must be twisted insulated stranded copper wire Shielded cable is strongly recommended for all FC and SA bus cables Communications bus and supply power terminal blocks ratings and requirements Table 7 Communication bus and supply power termina...

Страница 12: ... and SA PWR wires are the second twisted pair SA BUS Port 1 SA BUS RJ 12 6 Position Modular Port provides SA Bus Communications SA Bus provides 15 VDC Power for the following NS Series Sensors MAP Gateway 4 2 or above Wireless ZigBee WRZ 78xx Series One to One Wireless Receiver Wireless Bluetooth Commissioning Converter BTCVT 2 DIS1710 Local Controller Display VAV Balancing Tool 24 AWG 3 pair CAT ...

Страница 13: ...ion for the applicable termination diagrams Table 8 Termination details Type of Field Device Type of Input Output Termination diagrams Voltage Input External Source UI Voltage Input Internal Source UI Voltage Input Self Powered UI Temperature Sensor UI Dry Contact UI 0 10 VDC Output to Actuator External Source CO M4 CVM03050 VAV Controllers Installation Guide 13 ...

Страница 14: ...External Source CO Note Applies to CO4 and CO5 Incremental Control to Actuator Switch Low External Source CO Note Applies to CO4 and CO5 Analog Output Voltage CO Incremental Control to Actuator Switch Low Internally Sourced BO Note Applies to BO3 for only BO1 and BO2 24 VAC Binary Output Switch Low Internally Sourced BO M4 CVM03050 VAV Controllers Installation Guide 14 ...

Страница 15: ...ntroller Configuring N2 communications N2 capable controllers support the full range of possible N2 device addresses provided by the N2 protocol standard 1 254 To configure a controller to communicate using the N2 protocol complete the following steps 1 Disconnect the 24 VAC supply from the controller 2 Set the address switches to the desired N2 address For details about setting a device address s...

Страница 16: ...or more information about the ZFR Pro Wireless Field Bus system refer to the WNC1800 ZFR182x Pro Series Wireless Field Bus System Product Bulletin LIT 12012320 For more information about the ZFR 1800 Wireless Field Bus system refer to the ZFR1800 Series Wireless Field Bus System Product Bulletin LIT 12011336 Setting the device address Metasys equipment controllers are master devices on MS TP FC or...

Страница 17: ... of the terminal block and the circuit board insert the flat blade of the screwdriver Figure 11 Terminal block 3 To detach the left hand side of the terminal block position the flat blade underneath the terminal block to the left and push down the screwdriver handle When you do this you are using the screwdriver as a lever to pry up the terminal block 4 To detach the right hand side of the termina...

Страница 18: ...he sensor Commissioning equipment controllers To commission the CVM03050 controller use the following procedure 1 Download the control application to the CVM controller using the CCT Refer to the Controller Tool Help LIT 12011147 2 Commission the VAV Box Refer to the Controller Tool Help LIT 12011147 3 Perform airflow balancing on the VAV box Refer to the VAV Balancing Tool Technical Bulletin LIT ...

Страница 19: ...y Power is supplied by primary voltage FAULT Red Off Steady 2 blinks followed by long pause Controller powered on in default state For more information about this default state see Input and output wiring validation Blink 2 Hz Download or startup in progress not ready for normal operation SA Bus devices offline such as netsensors Rapid blink SA Bus communications issue Off Steady No faults On Stea...

Страница 20: ... to be Earth Grounded If this is the case verify that the Earth Ground connection is valid and not shared between multiple pieces of equipment Configurable output analog mode is invalid 0 10 V output is set to 10 100 but 0 V is at output terminals Output is in protection mode a state the analog portion of the configurable output goes into when it detects a wiring problem The analog output is set t...

Страница 21: ...lletin LIT 12000653 for specific sensor model descriptions WRZ 7860 0 Refer to the WRZ 7860 Receiver for One to One Wireless Room Sensing Product Bulletin LIT 12011640 for a list of available products WRZ SST 120 Refer to the WRZ SST 120 Wireless Sensing System Tool Installation Instructions LIT 24 10563 55 for usage instructions WNC1800 ZFR182x Pro Wireless Field Bus System Refer to the WNC1800 Z...

Страница 22: ...roller MS FIT100 0 The Field Inspection Tool FIT is a portable handheld device with a user interface that is used to test and troubleshoot the BACnet protocol MS TP RS 485 communications bus that connects supervisory controllers and equipment controllers to field point interfaces The FIT can be used to check out the wiring of the MS TP RS 485 bus as well as verify proper communications of supervis...

Страница 23: ...munications Bus Technical Bulletin LIT 12011034 BACnet MS TP default N2 3 wire FC Bus between the supervisory controller and equipment controllers 4 wire SA Bus between equipment controller network sensors and other sensor actuator devices includes a lead to source 15 VDC supply power from equipment controller to bus devices Processor RX64M 32 bit Renesas microcontroller Memory 16MB Flash Memory a...

Страница 24: ...tified BACnet Advanced Application Controller B AAC based on ANSI ASHRAE 135 2016 The performance specifications are nominal and conform to acceptable industry standard For application at conditions beyond these specifications consult the local Johnson Controls office Johnson Controls shall not be liable for damages resulting from misapplication or misuse of its products Product warranty This prod...

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