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Johnson Controls York Smart Equipment SC-EQ - User Manual

Johnson Controls York Smart Equipment SC-EQ
52 pages
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INSTALLATION INSTRUCTIONS Supersedes: 450.50-N1 (1117) Form 450.50-N1 (819)
Issue Date:
August 19, 2019
REV.8
YVWA
YK
035-25087-000
SC-EQ
COMMUNICATION CARD
(Also Contains Relevant SC-AP Information)
YMC
2
YZ

Table of Contents

Questions and Answers

  • G
    Gerald WellsAug 14, 2025
    Why is the voltage out of range on the Johnson Controls York Smart Equipment SC-EQ BAS Bus Terminal Block?
    • W
      William Douglas PhDAug 14, 2025
      If the voltage is significantly outside the specified range when measuring the BAS Bus Terminal Block, it is possible that the transceiver or associated circuitry is damaged. Double-check that switch S2 (BAS EOL) is in the 'ON' position during measurement; otherwise, the voltage readings will be inaccurate.
  • A
    Amanda HoffmanAug 17, 2025
    What to do if the firmware update does not start automatically on Johnson Controls York Smart Equipment SC-EQ after inserting the USB?
    • A
      Anthony DavisAug 18, 2025
      If the firmware update on your Johnson Controls Gateway does not start automatically after inserting the USB, try cycling power to the SC-EQ board. You can do this by removing and reconnecting the power plug on the SC-EQ board.
  • T
    Tammie ClarkAug 21, 2025
    What to do if Johnson Controls York Smart Equipment SC-EQ Gateway SC-EQ fails to validate the firmware?
    • K
      Karen RoseAug 21, 2025
      If the Johnson Controls Gateway SC-EQ fails to validate the firmware at initial power up or after a firmware upgrade, try cycling the power to the SC-EQ and updating the firmware again.
  • M
    mitchelljoelAug 25, 2025
    What to do if Johnson Controls York Smart Equipment SC-EQ SC-EQ could not load a firmware update?
    • D
      David DiazAug 25, 2025
      If the Johnson Controls Gateway SC-EQ could not load a firmware update, attempt to load the firmware update onto another USB thumb drive and perform the update again.
  • M
    Michele BarkerAug 27, 2025
    What to do if BS BUS LED is off and SC-EQ board isn't communicating on Johnson Controls York Smart Equipment SC-EQ?
    • J
      Jeffrey SnyderAug 27, 2025
      If the BS BUS LED is off steady and the SC-EQ board isn't likely seeing valid communications, use a DC voltmeter to perform simple voltage measurements on the SC-EQ board and BAS communication bus.
  • J
    Janice FoxAug 30, 2025
    How to fix 'no firmware present' error on Johnson Controls York Smart Equipment SC-EQ Gateway?
    • S
      Scott JonesAug 31, 2025
      If there is no firmware present on the Johnson Controls Gateway, perform a firmware update to resolve this issue.
  • S
    Sarah GreenSep 3, 2025
    Why are voltage readings fluctuating during communication on Johnson Controls York Smart Equipment SC-EQ BAS Bus?
    • G
      gonzaleskennethSep 3, 2025
      If you observe fluctuating voltage readings during communication on the BAS Bus, ensure the bus is properly terminated. The voltage readings may vary somewhat depending on bus loading and the type of voltmeter used.
  • C
    Cindy KleinSep 6, 2025
    What to do if Johnson Controls York Smart Equipment SC-EQ SC-EQ is not responding?
    • A
      Anita JohnsonSep 6, 2025
      If the Johnson Controls Gateway SC-EQ is not responding when polled by the BAS system, the MAC address should be checked to see if it is set to the desired address.
  • R
    Regina PattonSep 10, 2025
    Why is the power LED not illuminated on my Johnson Controls York Smart Equipment SC-EQ Gateway?
    • L
      Lisa BerrySep 10, 2025
      If the power source is present at the SC-EQ power terminals, then the Johnson Controls Gateway SC-EQ is faulty.

Summary

General Safety Guidelines

Section 2 - Installation

Wiring and Grounding

Covers electrical shock risks, proper wiring practices, and essential grounding for safe installation.

Media Access Control (MAC) Address

Explains how to set the network address using DIP switches for SC-EQ.

BAS Network Wiring

Illustrates 3-wire and 2-wire BAS network wiring configurations and resistor installation.

Mounting and OptiView Panel Installation

Guides on mounting the SC-EQ card in OptiView panels and connecting communication cables.

Section 3 - Troubleshooting

LED Indicators

Explains the function of various LEDs on the SC-EQ for diagnosing operational status and communication.

Equipment Network and Firmware Issues

Discusses equipment network LEDs and issues related to firmware programming.

Multimeter Checks of the BAS Port

Provides steps for using a voltmeter to check BAS port voltages and diagnose problems.

Updating Firmware and Software

Details the procedure for updating SC-EQ firmware and software using a USB drive.

Section 4 - SC-AP Gateway

Section 6 - LON Protonode

Instructions for the BAS Contractor

BAS Wiring Connections

Explains BAS port J12 connections for the SC-EQ Communication Card.

Setting the MAC Address

Guides on setting the SC-EQ MAC network address using the 8-way DIP switch.

Johnson Controls York Smart Equipment SC-EQ Specifications

General IconGeneral
BrandJohnson Controls
ModelYork Smart Equipment SC-EQ
CategoryGateway
LanguageEnglish

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