Johnson Controls VMA18 Series Скачать руководство пользователя страница 9 | Manualshive

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Table 2: Termination details

Type of field device

Type of Input/

Output

Termination diagrams

Voltage Input - Internal

Source

UI

Voltage Input (Self-

Powered)

UI

Temperature Sensor

UI

Dry Contact

UI

0–10 VDC Output to

Actuator (Internal

Source)

CO

0–10 VDC Output to

Actuator (External

Source)

CO

VMA1826/1832 VAV Controller Installation Guide

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Содержание VMA18 Series

Страница 1: ...cting an IOM to the VMA via the SA Bus connection is not supported For information about sensor compatibility and replacement see Sensor replacement and reuse scenarios North American emissions compli...

Страница 2: ...river for securing wires in the terminal blocks 8 mm 5 16 in wrench or 10 mm 3 8 in 12 point socket to tighten the square coupler bolt Several shims or washers to mount the VMA Power screwdriver 100 m...

Страница 3: ...t condensation to fall away from the VMA Additional measures may be required in some installations Ensure the mounting surface can support the VMA and any user supplied enclosure Mount the VMA on a ha...

Страница 4: ...r the threads may strip If mounting to the VAV box make sure the screws do not interfere with damper blade movement 3 Locate the damper position using the typical marking on the end of the damper shaf...

Страница 5: ...e the damper to the full open position before starting the air handler Failure to rotate the damper to the full open position may result in damage to the VAV box or ductwork when the air handler is st...

Страница 6: ...n Figure 4 See Table 5 and Table 6 for more information Figure 4 N2 FC bus terminal block wiring Note The Shield terminal SHLD on the N2 FC Bus terminal block is isolated and can be used to connect th...

Страница 7: ...ss the network devices Powering network devices with uniform 24 VAC supply power phasing reduces noise interference and ground loop problems The VMA does not require an earth ground connection However...

Страница 8: ...to the wire size and the load current in mA when wiring inputs and outputs N2 FC and SA bus and supply power wiring guidelines Table 6 provides information about terminal block functions ratings and r...

Страница 9: ...ut Termination diagrams Voltage Input Internal Source UI Voltage Input Self Powered UI Temperature Sensor UI Dry Contact UI 0 10 VDC Output to Actuator Internal Source CO 0 10 VDC Output to Actuator E...

Страница 10: ...plies to CO4 and CO5 Analog Output Voltage CO 24 VAC Binary Output Switch Low Internally Sourced BO Note Applies to BO1 BO2 and BO3 Incremental Control to Actuator Switch Low Internally Sourced BO Not...

Страница 11: ...ontroller The VMA142x controller has five binary outputs BOs and internally supplies 24 VAC The VMA18 controller has three binary outputs BOs and supplies 24 VAC to these BOs The VMA18 controller has...

Страница 12: ...A18 controllers See Table 3 for a description of the most popular sensor models used with the VMA1410 VMA1415 VMA1420 and the VMA controllers the sensor replacement and reuse scenarios for that sensor...

Страница 13: ...ally equivalent NS Series Network Sensor follow the instructions in the Replacing a TE 6xxx series sensor section To reuse a TE 6xxx Series Sensor connected to a VMA controller follow the instructions...

Страница 14: ...apter assembly in the existing wall opening behind the sensor Refer to the installation instructions for the applicable NS Series Sensor model 5 Plug the BTCVT into the 6 pin socket on the NS Series N...

Страница 15: ...0 Series Wireless Transmitter and TE 7720 0 Wireless Receiver connected to a VMA Controller To replace a TE 7710 0 Series Wireless Transmitter and TE 7720 0 Wireless Receiver connected to a VMA contro...

Страница 16: ...a TE 700 Series sensor See the instructions in this section to reuse a TE 700 Series Sensor when connected to a VMA18 controller 1 Disconnect the 8 pin male jack plugged into the VMA controller 2 Plu...

Страница 17: ...ensor Negative Temperature Coefficient NTC Sensor 10K Type L 10K JCI Type II is equivalent to Type L or 2 252K Type II See Guideline A in Table 5 INn Binary Input Dry Contact Maintained Mode 1 second...

Страница 18: ...or recommended wire sizes Guideline Wire size Gauge and type Maximum 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...

Страница 19: ...Supply Common The 0 models isolate this terminal from all other commons The 1 models only isolate this terminal from the FC bus common 0 8 mm to 1 0 mm 20 to 18 AWG 2 wire 1 To determine wire size and...

Страница 20: ...e sum of the switch numbers set to ON equals the intended device address Set the highest number switch that is less than or equal to the intended device address to ON Then continue setting lower numbe...

Страница 21: ...procedures Refer to the Controller Tool Help LIT 12011147 CCT connects to the VMA through a laptop computer using any one of the following connection options the MAP Gateway BTCVT the Wireless ZigBee...

Страница 22: ...OUT3 terminals of binary outputs are not connected to 24 VAC COM verify that OCOM1 OCOM3 are not connected to 24 VAC HOT these terminals are internally sourced 3 Verify the short circuit has been reso...

Страница 23: ...24 VAC Secondary 92 VA Foot Mount 30 in Primary Leads and 30 in Secondary Leads Class 2 Y65A13 0 Transformer 120 VAC Primary to 24 VAC Secondary 40 VA Foot Mount Y65AS 8 in Primary Leads and 30 in Se...

Страница 24: ...es 4 127 Device addresses 0 3 and 128 255 are reserved and not valid field controller addresses Communications Bus N2 Open Protocol N2 FC Bus 1 5 mm 18 AWG standard 3 wire twisted shielded cable recom...

Страница 25: ...oduct is in compliance with the essential requirements and other relevant provisions of the EMC Directive 2004 108 EC Compliance Australia and New Zealand RCM Mark Australia NZ Emissions Compliant Pro...

Страница 26: ...2019 Johnson Controls All rights reserved All specifications and other information shown were current as of document revision and are subject to change without notice www johnsoncontrols com...

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