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
HONEYWELL - CONFIDENTIAL
2
R7284U Universal Electronic Oil Primary
• What is an Electronic Oil
Primary?
- It is a 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.
HONEYWELL - CONFIDENTIAL
3
Universal Oil Primary
Part Number:
R7284U1004
R7284 Key Feature Summary
1. Diagnostics with actionable
information
2. Error logging for “deep dive”
troubleshooting when needed
3. Universal and Configurable
4. Real time status
5. Ease of Use
i
Integrated Display – No External Tool!
HONEYWELL - CONFIDENTIAL
4
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
i
• Diagnostic information can be
hidden from homeowner view
• No external tool required!
Points the technician towards the cause of failure
HONEYWELL - CONFIDENTIAL
5
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
HONEYWELL - CONFIDENTIAL
6
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
HONEYWELL - CONFIDENTIAL
7
i
R7284 Features – Competitive Comparison
Honeywell
Beckett
Universal
Application
Field configurable safety timings
allow the technician to choose
from 15, 30 or 45 second lockout
timing through the control
Offers only a 15 second fixed
interface.
safety timing
Conclusion
Truly universal - A single
control covers most of the
installed base.
Access to Diagnostic
Information and
Control Setup
An additional snap on display,
Technicians can quickly access handheld tool or docking station
i
the setup menu and diagnostic is required to setup timings and
information through the built-in access the diagnostic
No additional specialty
LCD display.
information
tools required
Diagnostic
Information
Provides the technician with the
cause for lockout on the digital
display allowing them to quickly
troubleshoot and repair the
system
Presents the technician with a
data log requiring them to
decipher the information to
determine the actual cause of
the problem
Points the technician
towards the source of the
problem, not to a data log
Much more than adding a display to the control!
HONEYWELL - CONFIDENTIAL
8
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
HONEYWELL - CONFIDENTIAL
9
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.
HONEYWELL - CONFIDENTIAL
10
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
T-T Terminals
EnviraCOM™
Terminals.
HONEYWELL - CONFIDENTIAL
11
Control Layout
Recessed Spade Terminals – control
mounts more easily on junction box
Recessed Wiring Pocket –
Creates more wiring space
in the junction box
Spade Terminals –
L2 and Cad Cell
Spade Terminals –
Igniter, Motor, Valve,
Limit, and L1
HONEYWELL - CONFIDENTIAL
12
Set-Up
Set-Up of the R7284U
STANDBY
INSTALLER
SETUP
QUIT
[CONT.]
i
Select
Hold allCONT.
three with
buttons
arrow
at once
buttons
forand
3
press
seconds
theto
i button
enter setup
to continue
menu
HONEYWELL - CONFIDENTIAL
14
Set-Up of the R7284U
LANGUAGE
[ENG]
FR
ESP
i
Select CONT.
desiredwith
language:
arrow buttons
English,and
press
Frenchthe
or iSpanish
button to
using
continue
the arrow
buttons
HONEYWELL - CONFIDENTIAL
15
Set-Up of the R7284U
VALVE ON DELAY
0:15
0:10
0:00
0:05
i
Press the
Adjust
valve
i button
on delay
to continue
with the up and
down arrows.
HONEYWELL - CONFIDENTIAL
16
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
Press the
Adjust
thei trial
button
for to
ignition
continue
timing with
the up and down arrows.
HONEYWELL - CONFIDENTIAL
17
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
HONEYWELL - CONFIDENTIAL
18
Set-Up of the R7284U
BURNER OFF DELAY
3:45
4:00
i
Press the
Adjust
burner
i button
motor
to continue
off delay with the
up and down arrows.
HONEYWELL - CONFIDENTIAL
19
Set-Up of the R7284U
TT CONFIGURED
[NO]
YES
i
• This option allows you to configure the TT terminals with an
internal “jumper”
Select the
Press
NO ior
button
YES with
to continue
the up and down
• Setting allows the R7284U1004 to replace controls where line
arrows.
voltage
stats are used or the TT call goes to the aquastat.
HONEYWELL - CONFIDENTIAL
20
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
Press the
Select
NO ior
button
YES with
to continue
the up and down
arrows.
HONEYWELL - CONFIDENTIAL
21
Set-Up of the R7284U
SPARK DURING RUN
[NO]
YES
i
• The option allows to setup the control for interrupted or
intermittent operation
Select the
Press
NO ior
button
YES with
to continue
the up and down
• By selecting NO, the control will function as an interrupted
control,
sparking the igniter only during the trial for ignition
arrows.
• 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
HONEYWELL - CONFIDENTIAL
22
Set-Up of the R7284U
ALLOWED RESETS
0
[1]
1
[3]
3
NOLIMIT
i
• The ALLOWED RESETS menu give the installer the
opportunity to select the number lockouts the unit can enter
Adjust
the
number
i button
oflockout
allowed
to continue
resets with
beforePress
entering
restricted
up and down
arrows.
• 0, 1, 3the
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
HONEYWELL - CONFIDENTIAL
23
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
Select the
Press
the itype
button
of appliance
to continue
for the oil
• Boiler, Furnace or Water Heater are the selectable options
primary application Boiler, Furnace or
• This setting is only needed if the unit is part of an EnviraCOM
Water Heater.
communicating
system
HONEYWELL - CONFIDENTIAL
24
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
Select
Press
the
NO ior
button
YES with
to continue
the up and down
or keep
it hidden
arrows.
• 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
HONEYWELL - CONFIDENTIAL
25
Set-Up of the R7284U
INSTALLER SETUP
[QUIT]
QUIT
[CONT.]
CONT.
i
Select QUIT with arrow buttons and
press the i button to continue
HONEYWELL - CONFIDENTIAL
26
Set-Up of the R7284U
STANDBY
RE-BASELINE?
[NO]
YES
i
• Once QUIT is selected the user is prompted to RE-BASELINE
the control
Select
with
arrow
buttons
and for the Cad
• Selecting
YES QUIT
restarts
the the
averaging
process
Cell reading
Time
pressand
theIgnition
i button
to continue
• Selecting NO continues to use the averages that have already
been established
HONEYWELL - CONFIDENTIAL
27
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
HONEYWELL - CONFIDENTIAL
28
Normal Operation
R7284U Normal Operation
• In Idle mode the R7284 shows
STANDBY
HONEYWELL - CONFIDENTIAL
30
R7284U Normal Operation
• When there is a call for heat
CALL FOR HEAT
HONEYWELL - CONFIDENTIAL
31
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
0:5
0:4
0:3
0:2
0:1
HONEYWELL - CONFIDENTIAL
32
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
0:14
0:13
0:12
0:11
0:10
HONEYWELL - CONFIDENTIAL
33
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
PUMP PRIME
TRIAL
0:10
1:10
HONEYWELL - CONFIDENTIAL
34
R7284U Normal Operation
• Once flame is proven we will see this message
along with the ohms reading
FLAME PROVEN
255 OHMS
HONEYWELL - CONFIDENTIAL
35
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
311
255
HONEYWELL - CONFIDENTIAL
36
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
0:04
0:03
0:02
0:01
0:00
HONEYWELL - CONFIDENTIAL
37
R7284U Normal Operation
• Once completed the display will return to standby
STANDBY
HONEYWELL - CONFIDENTIAL
38
Lockouts and Resetting
the R7284U
Soft Lockout
• Soft Lockouts are entered for the following reasons
- Failed ignition attempt line voltage less than alarm level
- Burner relay failure
SOFT LOCKOUT
HONEYWELL - CONFIDENTIAL
40
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
14:57
14:58
15:00
14:59
HONEYWELL - CONFIDENTIAL
41
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
HONEYWELL - CONFIDENTIAL
42
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
HONEYWELL - CONFIDENTIAL
43
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
HONEYWELL - CONFIDENTIAL
44
Restricted Hard Lockout
• Restricted Hard Lockout can only be exited by
holding the i button for longer than 10 seconds
LOCKOUT
CALL SERVICE
HONEYWELL - CONFIDENTIAL
45
Troubleshooting
R7284U Troubleshooting
• If Ignition did not occur and the cannot determine
why the following will be displayed
NO IGNITION
HONEYWELL - CONFIDENTIAL
47
R7284U Troubleshooting
• If no ignition occurred and the R7284 cannot detect
the spark igniter
NO IGNITION
CHECK IGNITER
HONEYWELL - CONFIDENTIAL
48
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
HONEYWELL - CONFIDENTIAL
49
R7284U Troubleshooting
• If the voltage drops below the minimum threshold
the following is displayed
LOW VOLTAGE
30% LOW
HONEYWELL - CONFIDENTIAL
50
R7284U Troubleshooting
• If Flame is lost more than the allowed number of
times
EXCEEDED
MAX RECYCLES
HONEYWELL - CONFIDENTIAL
51
R7284U Troubleshooting
• Flame was sensed during the valve on delay period
FLAME PROVEN
DURING ON DELAY
HONEYWELL - CONFIDENTIAL
52
R7284U Troubleshooting
• Flame was sensed during the burner motor off delay
period
FLAME PROVEN
DURING OFF DELAY
HONEYWELL - CONFIDENTIAL
53
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
HONEYWELL - CONFIDENTIAL
54
R7284U Troubleshooting
• If the Enviracom bus is shorted or there is a bad
circuit
ENVIRACOM ERROR
HONEYWELL - CONFIDENTIAL
55
R7284U Troubleshooting
• If flame is proven late in 2 consecutive trials the
following message is displayed
FLAME PROVEN
LATE IN TRIAL
HONEYWELL - CONFIDENTIAL
56
R7284U Troubleshooting
• When the cad cell resistance is high during the last
run cycle.
CAD CELL
HIGH DURING RUN
HONEYWELL - CONFIDENTIAL
57
R7284U Troubleshooting
• If flame has been present in idle mode for longer
than 1 hour
FLAME PROVEN
OUT OF SEQUENCE
HONEYWELL - CONFIDENTIAL
58
Error History
Error History
• Control saves the last 10 errors
• Accessing error history:
and
Buttons –
Access error history
during normal operation
i Button – Press
during error history
to return to normal
operation
HONEYWELL - CONFIDENTIAL
60
Error History Menu
The control will automatically cycle through 3 screens
NO
LAST
STANDBY
ERROR
IGNITION
CYCLE
1
i
Press UP or
DOWN
to next
viewerrorr
the error
to go
to the
history
Advance to next slide
HONEYWELL - CONFIDENTIAL
61
Error History Menu
The control will automatically cycle through 3 screens
NOERROR
IGNITION
5 2
CHECK
CYCLES
CADAGO
CELL
i
Press UP to go to the next error
Advance to next slide
HONEYWELL - CONFIDENTIAL
62
Error History Menu
STANDBY
ERROR
HISTORY
END
i
Press i to return to the normal operating
status
HONEYWELL - CONFIDENTIAL
63
Diagnostics
Diagnostic Information
• View current status
• Access baseline information
• Cycle count information
• Info can be hidden from Homeowner
i Button – Press
during normal
operation to
access information
HONEYWELL - CONFIDENTIAL
65
Diagnostic Information
STANDBY
i
Press the i button at any time to access
the system information
HONEYWELL - CONFIDENTIAL
66
System Status
TT
OPEN
LIMIT OPEN
i
• The first menu shows the current status of the TT and Limit
Inputs
Pressing the i button will advance to the
current Cad Cell reading
HONEYWELL - CONFIDENTIAL
67
System Status
VIEW
CADHISTORY
CELL
[NO]
NO
75265 OHMS
[YES]
YES
i
• Selecting YES allows the Technician to view the current
reading,
average
of last
10 and again
the baseline
reading for the
Pressing
Press
i tothe
continue
i button
will advance
Cad Cell and Trial for Ignition timing
to the view history option if it was
enabled in the installer setup
HONEYWELL - CONFIDENTIAL
68
System History
LAST
LAST
CAD
BASELINE
10CYCLE
CELL
CYCLES
480 OHMS
410
380
i
• The Cad Cell screen will automatically scroll through 4 screens
• The baseline readings are calculated base on the average of
Pressing
the i during any of the screens
the first
500 cycles
will advance to the ignition timing
HONEYWELL - CONFIDENTIAL
69
System History
LAST
IGNITION
LAST
BASELINE
10CYCLE
CYCLES
TIME
12
11
8 SECONDS
SECONDS
i
• The Ignition Time screen will automatically scroll through 4
screens
Pressing the i during any of the screens
will advance to the cycle counts
HONEYWELL - CONFIDENTIAL
70
System History
8688
5 LOCKOUTS
4
RECYCLES
68686
CYCLES
SINCE
BURNERBASELINE
CYCLES
i
• The Cycle Count screen will automatically scroll through 4
screens
Pressing the i during any of the screens
will advance to the view history screen
HONEYWELL - CONFIDENTIAL
71
Summary
R7284 Key Feature Summary
1. Diagnostics with actionable
information
2. Error logging for “deep dive”
troubleshooting when needed
3. Universal and configurable
4. Real time status
5. Easy of use
i
Integrated Display – No External Tool!
HONEYWELL - CONFIDENTIAL
73
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
i
• Diagnostic information can be
hidden from homeowner view
• No external tool required!
Points the technician towards the cause of failure
HONEYWELL - CONFIDENTIAL
74
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
HONEYWELL - CONFIDENTIAL
75
Product Cross Reference
and Support Materials
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
HONEYWELL - CONFIDENTIAL
77
69-2500
Oil Primary Cross Reference Table
This chart can be found in the Residential
Combustion Application
Guide: Form #63-9575
HONEYWELL - CONFIDENTIAL
78
www.customer.honeywell.com
• See Cross Reference Search box in right column.
HONEYWELL - CONFIDENTIAL
79
R7284U Universal Digital
Electronic Oil Primary
Knowledge Test
R7284U Oil Primary Knowledge Test
• Now that you completed this training module, take
the short quiz to test your knowledge.
HONEYWELL - CONFIDENTIAL
81
Test
1. The R7284U can be used in both hydronic and
forced air systems? T or F
2. The Honeywell R7284U can replace most prior
Honeywell oil primary controls, as well as Carlin
and White Rodgers controls? T or F
3. The display on the R7284U provides real-time
status and cad cell readings in ohms? T of F
4. The R7284U has adjustable lockout times of 15, 30
or 45 seconds? T or F
5. The pump priming cycle requires that the installer
be present at the oil primary to purge the line? T
or F
HONEYWELL - CONFIDENTIAL
82
Test
6. Limited reset prevents the homeowner from
continually pressing the reset button instead of
calling for service? T or F
7. The display can identify system lockout and
potential cause of failure? T or F
8. The valve on and blower off delay times are
factory set and cannot be set by the installer
during installation? T or F
9. The limited recycle features can help prevent
clogging the heat exchanger or flooding? T or F
10. A separate external tool is required to retrieve
information from the R7284U1004 oil primary?
T or F
HONEYWELL - CONFIDENTIAL
83
Answer Key
1. T
2. T
3. T
4. T
5. F – techs can add time to the trial for ignition
6. T
7. T
8. F – timings are field configurable by the tech
9. T
10. F – no tool is required, info provided on display
HONEYWELL - CONFIDENTIAL
84