R7284u1004 universal digital electronic oil primary training module
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R7284U1004 Universal Digital Electronic Oil Primary Training Module. Agenda. R7284U Product Overview Key Features and Benefits Installation and Set Up Normal Operation Lockouts and Resetting Troubleshooting Error History Diagnostics Summary Product Cross Reference and Support Materials.

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R7284u1004 universal digital electronic oil primary training module

R7284U1004 Universal Digital Electronic Oil Primary Training Module


Agenda

Agenda

  • R7284U Product Overview

  • Key Features and Benefits

  • Installation and Set Up

  • Normal Operation

  • Lockouts and Resetting

  • Troubleshooting

  • Error History

  • Diagnostics

  • Summary

  • Product Cross Reference and Support Materials


R7284u universal electronic oil primary

R7284U Universal Electronic Oil Primary

  • What is an Electronic Oil Primary?

    • It isa line voltage, safety rated, primary control for residential oil fired burners used in boilers, forced air furnaces and water heaters.

      • Applicable for use with both hydronic and forced air systems.

    • Used with a cad cell flame sensor, operates an oil burner and optional oil valve.

Universal Oil Primary Part Number:

R7284U1004


R7284 key feature summary

R7284 Key Feature Summary

  • Diagnostics with actionable information

  • Error logging for “deep dive” troubleshooting when needed

  • Universal and Configurable

  • Real time status

  • Ease of Use

i

Integrated Display – No External Tool!


R7284 features diagnostics

R7284 Features - Diagnostics

  • Diagnostics with actionable information

    • Igniter spark detection

    • Cad cell high during run

    • Cad cell adjustment/cleaning

    • Flame proven late in trial

    • Low voltage alarms

  • Error history for “deep dive” troubleshooting

    • Last 10 errors

    • What the error was

    • How many cycles ago it occurred

  • Diagnostic information can be hidden from homeowner view

  • No external tool required!

  • i

    Points the technician towards the cause of failure


    R7284 features diagnostics with actionable information

    R7284 Features - Diagnostics with actionable information

    • For the Oil Dealer

      • Reduce unnecessary part changing

      • Reduce service contract costs

      • Reduce customer costs

      • Reduce call-backs

    • For the technicians

      • No more head scratching in front of the homeowner

      • Show the homeowner why you’re changing the right part

      • If lockout was due to voltage – show the homeowner why you’re not changing anything!

    i

    Improve Customer Service and the Bottom Line


    R7284u features

    R7284U Features

    • Universal compatibility

      • This control replaces Beckett, Carlin, White Rodgers and most prior Honeywell Residential Oil Primary Controls

      • Can be used as an interrupted or an intermittent control

      • One OS# covers the full range of timing offerings

      • One control covers 15, 30, 45 second lockout timings

    • Field Adjustable valve-on delay, trial for ignition (lockout times), and blower-off delay

      • Valve-on delay 0 to 30 seconds in 5 second increments

      • Trial for ignition selectable 15, 30 or 45 seconds

      • Blower-off delay 0 to 8 minutes in 15 second increments

    • Pump priming cycle

    • Limited recycle

    i


    R7284u1004 universal digital electronic oil primary training module

    R7284 Features – Competitive Comparison

    i

    Much more than adding a display to the control!


    R7284u display key features

    R7284U Display Key Features

    • English, Spanish, French language alpha-numeric display

      • Current system status

      • Cad Cell reading

      • Diagnostic information

      • Field adjustable setup of the control – data can be hidden from homeowner view

    RUNNING

    200 OHMS


    Additional r7284u features

    Recessed wiring pocket creates more space near the quick connect terminals

    Safe start check – check for flame presence prior to lighting the burner

    Compatible with power venters without integral timers

    Oil-resistant plastic cover for electronics

    EnviraCOMTM communications enabled:

    Includes EnviraCOM™ Connection for local networking & diagnostics

    Compatible with the Honeywell EnviraLINK™ remote monitoring application, which enables dealers to monitor their customers systems remotely.

    Additional R7284U Features


    Control layout

    EnviraCOM™ Communications Data Port

    Alpha-Numeric Display – 16 character two line display

    and Buttons – Adjust timings and access error history information on display

    i Button – Reset, and access diagnostic history

    EnviraCOM™ Terminals.

    T-T Terminals

    Control Layout


    Control layout1

    Recessed Wiring Pocket – Creates more wiring space in the junction box

    Recessed Spade Terminals – control mounts more easily on junction box

    Spade Terminals – L2 and Cad Cell

    Spade Terminals – Igniter, Motor, Valve, Limit, and L1

    Control Layout


    Set up

    Set-Up


    Set up of the r7284u

    Hold all three buttons at once for 3 seconds to enter setup menu

    Select CONT. with arrow buttons and press the i button to continue

    Set-Up of the R7284U

    STANDBY

    INSTALLER SETUP

    QUIT[CONT.]

    i


    Set up of the r7284u1

    Select desired language: English, French or Spanish using the arrow buttons

    Select CONT. with arrow buttons and press the i button to continue

    Set-Up of the R7284U

    LANGUAGE

    [ENG] FR ESP

    i


    Set up of the r7284u2

    Adjust valve on delay with the up and down arrows.

    Press the i button to continue

    Set-Up of the R7284U

    VALVE ON DELAY

    0:15

    VALVE ON DELAY

    0:10

    VALVE ON DELAY

    0:00

    VALVE ON DELAY

    0:05

    i


    Set up of the r7284u3

    Adjust the trial for ignition timing with the up and down arrows.

    Press the i button to continue

    Set-Up of the R7284U

    IGNITION TIME

    0:30

    i

    • This option allows you to adjust the trial for ignition time or lockout timing by selecting 15, 30 or 45 seconds


    Set up of the r7284u4

    Set-Up of the R7284U

    IGNITION TIME

    LOCKED

    i

    • The ignition time is only adjustable during the first 100 cycles. After this time pressing the up or down arrow will display the “LOCKED” message


    Set up of the r7284u5

    Adjust burner motor off delay with the up and down arrows.

    Press the i button to continue

    Set-Up of the R7284U

    BURNER OFF DELAY

    3:45

    BURNER OFF DELAY

    4:00

    i


    Set up of the r7284u6

    Select NO or YES with the up and down arrows.

    Press the i button to continue

    Set-Up of the R7284U

    TT CONFIGURED

    [NO]YES

    i

    • This option allows you to configure the TT terminals with an internal “jumper”

    • Setting allows the R7284U1004 to replace controls where line voltage stats are used or the TT call goes to the aquastat.


    Set up of the r7284u7

    Select NO or YES with the up and down arrows.

    Press the i button to continue

    Set-Up of the R7284U

    SPARK IN ON DELAY

    [NO]YES

    i

    • This option allows you have the igniter spark during the valve on delay timing


    Set up of the r7284u8

    Select NO or YES with the up and down arrows.

    Press the i button to continue

    Set-Up of the R7284U

    SPARK DURING RUN

    [NO]YES

    i

    • The option allows to setup the control for interrupted or intermittent operation

    • By selecting NO, the control will function as an interrupted control, sparking the igniter only during the trial for ignition

    • Selecting YES will cause intermittent functionality, sparking the igniter during the entire run cycle

    • Interrupted ignition uses less electricity and also reduces the amount of wear and cleaning/replacement needed of an electrodes


    Set up of the r7284u9

    Adjust number of allowed resets with the up and down arrows.

    Press the i button to continue

    Set-Up of the R7284U

    ALLOWED RESETS

    0 1 [3] NOLIMIT

    ALLOWED RESETS

    0 [1] 3 NOLIMIT

    i

    • The ALLOWED RESETS menu give the installer the opportunity to select the number lockouts the unit can enter before entering restricted lockout

    • 0, 1, 3 or unlimited lockouts can be selected

    • Lockout requires the i button to be held for 2 seconds to reset

    • Restricted lockout requires the i button to be held for 10 seconds before reset


    Set up of the r7284u10

    Select the type of appliance for the oil primary application Boiler, Furnace or Water Heater.

    Press the i button to continue

    Set-Up of the R7284U

    APPLIANCE TYPE

    [BLR] FURN WH

    i

    • This menu allows the user to configure the appliance configuration for specific EnviraCOM messages

    • Boiler, Furnace or Water Heater are the selectable options

    • This setting is only needed if the unit is part of an EnviraCOM communicating system


    Set up of the r7284u11

    Select NO or YES with the up and down arrows.

    Press the i button to continue

    Set-Up of the R7284U

    SHOW DIAGNOSTICS

    [NO]YES

    i

    • The Show Diagnostics menu allows the technician to give access to the diagnostic information during normal operation or keep it hidden

    • Selecting YES allows the diagnostic information to be view during normal operation

    • Selecting NO does allows the information to be viewed only in the installer mode


    Set up of the r7284u12

    Select QUIT with arrow buttons and press the i button to continue

    Set-Up of the R7284U

    INSTALLER SETUP

    [QUIT]CONT.

    INSTALLER SETUP

    QUIT [CONT.]

    i


    Set up of the r7284u13

    Select QUIT with arrow buttons and press the i button to continue

    Set-Up of the R7284U

    STANDBY

    RE-BASELINE?

    [NO] YES

    i

    • Once QUIT is selected the user is prompted to RE-BASELINE the control

    • Selecting YES restarts the the averaging process for the Cad Cell reading and Ignition Time

    • Selecting NO continues to use the averages that have already been established


    R7284u default setting

    Menu

    Language

    Valve On Delay

    Ignition Time (Lockout)

    Burner Motor Off Delay

    TT Configured On

    Spark In On Delay

    Spark During Run

    Allowed Resets

    Appliance Type

    Show Diagnostics

    Re-Baseline

    Factory Default

    English

    0 seconds

    15 seconds

    0 seconds

    No

    No

    No

    3

    Boiler

    Yes

    No

    R7284U Default Setting


    Normal operation

    Normal Operation


    R7284u normal operation

    R7284U Normal Operation

    • In Idle mode the R7284 shows

    STANDBY


    R7284u normal operation1

    R7284U Normal Operation

    • When there is a call for heat

    CALL FOR HEAT


    R7284u normal operation2

    R7284U Normal Operation

    • The valve on delay will then begin a countdown

    • For example a 5 second valve on delay would show

    VALVE ON DELAY

    0:0

    VALVE ON DELAY

    0:5

    VALVE ON DELAY

    0:4

    VALVE ON DELAY

    0:3

    VALVE ON DELAY

    0:2

    VALVE ON DELAY

    0:1


    R7284u normal operation3

    R7284U Normal Operation

    • Next the trial for ignition will begin

    • The display will countdown until the time runs out or flame is established

    IGNITION TRIAL

    0:15

    IGNITION TRIAL

    0:14

    IGNITION TRIAL

    0:13

    IGNITION TRIAL

    0:12

    IGNITION TRIAL

    0:11

    IGNITION TRIAL

    0:10


    R7284u normal operation pump priming

    R7284U Normal Operation – Pump Priming

    • Pressing “up” during the trial for ignition enables the pump priming mode

    • Every press up the up button adds a minute to the trial for ignition timing up to 10 minutes

    IGNITION TRIAL

    0:10

    PUMP PRIME

    1:10


    R7284u normal operation4

    R7284U Normal Operation

    • Once flame is proven we will see this message along with the ohms reading

    FLAME PROVEN

    255 OHMS


    R7284u normal operation5

    R7284U Normal Operation

    • The display will then show status as running until the call for heat ends

    • The ohms will change based on the strength of the flame

    RUNNING

    300 OHMS

    RUNNING

    311 OHMS

    RUNNING

    255 OHMS


    R7284u normal operation6

    R7284U Normal Operation

    • Once the call for heat ends the control will display the burner motor off delay countdown

    • The display will countdown until the time runs out

    BURNER OFF DELAY

    0:05

    BURNER OFF DELAY

    0:04

    BURNER OFF DELAY

    0:03

    BURNER OFF DELAY

    0:02

    BURNER OFF DELAY

    0:01

    BURNER OFF DELAY

    0:00


    R7284u normal operation7

    R7284U Normal Operation

    • Once completed the display will return to standby

    STANDBY


    Lockouts and resetting the r7284u

    Lockouts and Resettingthe R7284U


    Soft lockout

    Soft Lockout

    • Soft Lockouts are entered for the following reasons

      • Failed ignition attempt line voltage less than alarm level

      • Burner relay failure

    SOFT LOCKOUT


    Soft lockout1

    Soft Lockout

    • Soft Lockouts automatically exit after the lockout period expires

    • The countdown is not displayed until the error clears

    • User can exit soft lockout by holding the i button for longer than 2 seconds

    SOFT LOCKOUT

    14:58

    SOFT LOCKOUT

    14:57

    SOFT LOCKOUT

    15:00

    SOFT LOCKOUT

    14:59


    Hard lockout

    Hard Lockout

    • Hard Lockouts are entered for the following Reasons

      • A failed ignition attempt

      • Flame sensed during valve on delay

      • Flame sensed during the burner off delay

      • Welded burner relay

      • Exceeding the maximum number of recycles

    HARD LOCKOUT


    Hard lockout1

    Hard Lockout

    • The unit remains in Hard Lockout until:

      • User presses and holds the i button 2 seconds

      • Remote Reset signal is received via EnviraCOM™

    HARD LOCKOUT


    Restricted hard lockout

    Restricted Hard Lockout

    • Each Hard Lockout instance is counted by the control

    • When the specified number is reached the control goes into Restricted Hard Lockout

    LOCKOUT

    CALL SERVICE


    Restricted hard lockout1

    Restricted Hard Lockout

    • Restricted Hard Lockout can only be exited by holding the i button for longer than 10 seconds

    LOCKOUT

    CALL SERVICE


    Troubleshooting

    Troubleshooting


    R7284u troubleshooting

    R7284U Troubleshooting

    • If Ignition did not occur and the cannot determine why the following will be displayed

    NO IGNITION


    R7284u troubleshooting1

    R7284U Troubleshooting

    • If no ignition occurred and the R7284 cannot detect the spark igniter

    NO IGNITION

    CHECK IGNITER


    R7284u troubleshooting2

    R7284U Troubleshooting

    • If no ignition occurs and the Cad Cell shifts significantly during the trial for ignition but did not reach the establish flame threshold the following is displayed

    NO IGNITION

    CHECK CAD CELL


    R7284u troubleshooting3

    R7284U Troubleshooting

    • If the voltage drops below the minimum threshold the following is displayed

    LOW VOLTAGE

    30% LOW


    R7284u troubleshooting4

    R7284U Troubleshooting

    • If Flame is lost more than the allowed number of times

    EXCEEDED

    MAX RECYCLES


    R7284u troubleshooting5

    R7284U Troubleshooting

    • Flame was sensed during the valve on delay period

    FLAME PROVEN

    DURING ON DELAY


    R7284u troubleshooting6

    R7284U Troubleshooting

    • Flame was sensed during the burner motor off delay period

    FLAME PROVEN

    DURING OFF DELAY


    R7284u troubleshooting7

    R7284U Troubleshooting

    • When an internal error is sensed such as an A/D failure, relay failure, etc.

    • The control will need to be replaced

    INTERNAL ERROR


    R7284u troubleshooting8

    R7284U Troubleshooting

    • If the Enviracom bus is shorted or there is a bad circuit

    ENVIRACOM ERROR


    R7284u troubleshooting9

    R7284U Troubleshooting

    • If flame is proven late in 2 consecutive trials the following message is displayed

    FLAME PROVEN

    LATE IN TRIAL


    R7284u troubleshooting10

    R7284U Troubleshooting

    • When the cad cell resistance is high during the last run cycle.

    CAD CELL

    HIGH DURING RUN


    R7284u troubleshooting11

    R7284U Troubleshooting

    • If flame has been present in idle mode for longer than 1 hour

    FLAME PROVEN

    OUT OF SEQUENCE


    Error history

    Error History


    Error history1

    and Buttons – Access error history during normal operation

    i Button – Press during error history to return to normal operation

    Error History

    • Control saves the last 10 errors

    • Accessing error history:

    STANDBY


    Error history menu

    Press UP or DOWN to view the error history

    Press UP to go to the next errorr

    Error History Menu

    The control will automatically cycle through 3 screens

    STANDBY

    ERROR 1

    NO IGNITION

    LAST CYCLE

    i

    Advance to next slide


    Error history menu1

    Press UP to go to the next error

    Error History Menu

    The control will automatically cycle through 3 screens

    5

    CYCLES AGO

    ERROR 2

    NO IGNITION

    CHECK CAD CELL

    i

    Advance to next slide


    Error history menu2

    Press i to return to the normal operating status

    Error History Menu

    STANDBY

    ERROR HISTORY

    END

    i


    Diagnostics

    Diagnostics


    Diagnostic information

    i Button – Press during normal operation to access information

    Diagnostic Information

    • View current status

    • Access baseline information

    • Cycle count information

    • Info can be hidden from Homeowner

    STANDBY


    Diagnostic information1

    Press the i button at any time to access the system information

    Diagnostic Information

    STANDBY

    i


    System status

    Pressing the i button will advance to the current Cad Cell reading

    System Status

    TTOPEN

    LIMITOPEN

    i

    • The first menu shows the current status of the TT and Limit Inputs


    System status1

    Pressing the i button again will advance to the view history option if it was enabled in the installer setup

    Press i to continue

    System Status

    CAD CELL

    75265 OHMS

    VIEW HISTORY

    [NO] YES

    VIEW HISTORY

    NO [YES]

    i

    • Selecting YES allows the Technician to view the current reading, average of last 10 and the baseline reading for the Cad Cell and Trial for Ignition timing


    System history

    Pressing the i during any of the screens will advance to the ignition timing

    System History

    CAD CELL

    LAST CYCLE

    480 OHMS

    LAST 10 CYCLES

    410 OHMS

    BASELINE

    380 OHMS

    i

    • The Cad Cell screen will automatically scroll through 4 screens

    • The baseline readings are calculated base on the average of the first 500 cycles


    System history1

    Pressing the i during any of the screens will advance to the cycle counts

    System History

    IGNITION TIME

    LAST CYCLE

    12 SECONDS

    LAST 10 CYCLES

    11 SECONDS

    BASELINE

    8 SECONDS

    i

    • The Ignition Time screen will automatically scroll through 4 screens


    System history2

    Pressing the i during any of the screens will advance to the view history screen

    System History

    68686

    BURNER CYCLES

    8688 CYCLES

    SINCE BASELINE

    5 RECYCLES

    SINCE BASELINE

    4 LOCKOUTS

    SINCE BASELINE

    i

    • The Cycle Count screen will automatically scroll through 4 screens


    Summary

    Summary


    R7284 key feature summary1

    R7284 Key Feature Summary

    Diagnostics with actionable information

    Error logging for “deep dive” troubleshooting when needed

    Universal and configurable

    Real time status

    Easy of use

    i

    Integrated Display – No External Tool!


    R7284 features diagnostics1

    R7284 Features - Diagnostics

    Diagnostics with actionable information

    Igniter spark detection

    Cad cell high during run

    Cad cell adjustment/cleaning

    Flame proven late in trial

    Low voltage alarms

    Error history for “deep dive” troubleshooting

    Last 10 errors

    What the error was

    How many cycles ago it occurred

    Diagnostic information can be hidden from homeowner view

    No external tool required!

    i

    Points the technician towards the cause of failure


    R7284 features diagnostics with actionable information1

    R7284 Features - Diagnostics with actionable information

    For the Oil Dealer

    Reduce unnecessary part changing

    Reduce service contract costs

    Reduce customer costs

    Reduce call-backs

    For the technicians

    No more head scratching in front of the homeowner

    Show the homeowner why you’re changing the right part

    If lockout was due to voltage – show the homeowner why you’re not changing anything!

    i

    Points the technician towards the cause of failure


    Product cross reference and support materials

    Product Cross Reference and Support Materials


    Product cross reference

    Product Cross Reference

    • Where do I find Honeywell universal electronic oil primary cross reference information?

      • www.customer.honeywell.com

      • Honeywell Application Selection and Cross Reference Guide – Form 63-9575

      • Honeywell Laminated Truck Visor – Form 63-9581O

      • Technicians Quick Reference Guide Form 69-2500

      • Honeywell Residential Technical Support: 1-800-468-1502

    63-9575

    63-9581O

    69-2500


    Oil primary cross reference table

    Oil Primary Cross Reference Table

    This chart can be found in the Residential Combustion Application Guide: Form #63-9575


    Www customer honeywell com

    www.customer.honeywell.com

    • See Cross Reference Search box in right column.


    R7284u universal digital electronic oil primary knowledge test

    R7284U Universal Digital Electronic Oil Primary Knowledge Test


    R7284u oil primary knowledge test

    R7284U Oil Primary Knowledge Test

    • Now that you completed this training module, take the short quiz to test your knowledge.


    R7284u1004 universal digital electronic oil primary training module

    Test

    • The R7284U can be used in both hydronic and forced air systems? T or F

    • The Honeywell R7284U can replace most prior Honeywell oil primary controls, as well as Carlin and White Rodgers controls? T or F

    • The display on the R7284U provides real-time status and cad cell readings in ohms? T of F

    • The R7284U has adjustable lockout times of 15, 30 or 45 seconds? T or F

    • The pump priming cycle requires that the installer be present at the oil primary to purge the line? T or F


    R7284u1004 universal digital electronic oil primary training module

    Test

    • Limited reset prevents the homeowner from continually pressing the reset button instead of calling for service? T or F

    • The display can identify system lockout and potential cause of failure? T or F

    • The valve on and blower off delay times are factory set and cannot be set by the installer during installation? T or F

    • The limited recycle features can help prevent clogging the heat exchanger or flooding? T or F

    • A separate external tool is required to retrieve information from the R7284U1004 oil primary? T or F


    Answer key

    Answer Key

    • T

    • T

    • T

    • T

    • F – techs can add time to the trial for ignition

    • T

    • T

    • F – timings are field configurable by the tech

    • T

    • F – no tool is required, info provided on display


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