Honeywell U2-1018S-PF, U2-1018S, U2-1016S, U2-1012S, U2-1010S-PF-100 User Manual
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32-00015-04
U2-S Model Combination Viewing
WARNING
WARNINGWARNING
AVERTISSEMENT
AVERTISSEMENT
WARNUNG
ATENÇÃO
Head and Signal Processor
USER MANUAL
GENERAL INFORMATION
The Honeywell U2-101xS series model is a viewing head
and signal processor in a single enclosure intended for
use with a burner control system in Industrial Flame
Monitoring applications. There are several options
available (see Table 1 on page 2). Each model includes
one, two, or all three sensors, and can be ordered with
quick disconnect (non-PF Models DIV2,ZN2) or pigtail
external connection method (PF Models DIV1,ZN1).
Each sensor operates independently from another,
allowing adjustment of each sensor.
Read the instructions before use. This control shall be
installed in accordance with the rules in force. Additional
versions of this manual are available online at
https://customer.honeywell.com/enUS/Pages/default.aspx in Canadian French, Portuguese,
and German. Please enter 32-00015 in the search box
and choose Technical Literature from the drop-down
box.
Lire les instructions avant l'utilisation. Cette commande
doit être installée conformément aux lois en vigueur. Des
versions supplémentaires de ce manuel sont disponibles
enligne à https://customer.honeywell.com/enUS/Pages/default.aspx en français du Canada, en
portugais et en allemand. Veuillez inscrire 32-00015 dans
le casier de recherche et choisissez Documentation
technique à partir du menu déroulant.
Lesen Sie vor der Verwendung die Anweisung. Diese
Konsole muss entsprechend den geltenden Vorschriften
installiert werden. Zusätzliche Versionen dieses
Handbuchs sind online unter
https://customer.honeywell.com/enUS/Pages/default.aspx in Frankokanadisch,
Portugiesisch und Deutsch verfügbar. Bitte geben Sie im
Suchfeld 32-00015 ein und wählen Sie Fachliteratur im
Drop-Down Menü aus
IMPORTANT
Flame monitoring systems are safety systems.
Please read this manual carefully and completely
before installation and before attempting adjustments.
Only qualified personnel familiar with Flame
Safety System should carry out installation and
configuration.
U2 is certified to be used in prescribed manner.
Any modification or inappropriate installation or
operation may result in unsafe operation and will
void implied or expressed warranty.
Sensors
The UV tube detector has a peak response at 210 nm.
The IR solid state sensor has a peak response at 1400 nm.
The UV solid state sensor has a peak response at 310 nm.
Cabling Options (Sold Separately)
ASYU2S - Quick Disconnect (non-PF) models molded
connector cable assembly with 50 foot of C22S cable.
Leia as instruções antes de usar. Esse controle tem que
ser instalado de acordo com as normas vigentes. Outras
versões desse manual estão disponíveis online em
https://customer.honeywell.com/enUS/Pages/default.aspx em francês do Canadá, português
e alemão. Insira 32-00015 em cada caixa e selecione
Literatura Técnica na caixa suspensa.
Disposal and Recycling
Waste electrical products should not be disposed
of with general waste. Please recycle where these
facilities exist. Check with your local authority for
recycling advice.
Contents
GENERAL INFORMATION ............................................... 1
SPECIFICATIONS ............................................................ 2
INSTALLATION ................................................................. 3
OPERATION ..................................................................... 6
U2 MENU PARAMETER SETTINGS ................................ 7
TROUBLESHOOTING ...................................................... 10
SAFETY MANUAL ............................................................ 13
Safety Function of the U2-S Model .............................. 14
Proof Test Procedure ................................................... 14
Proof Test Interval ........................................................ 14
Product Decommissioning ........................................... 15
U2-S MODEL COMBINATION VIEWING HEAD AND SIGNAL PROCESSOR
WARNING
WARNINGWARNING
WARNING
WARNINGWARNING
ASYU2S-100 - Quick Disconnect (non-PF) models molded
connector cable assembly with 100 foot of C22S cable.
ASYU2S-200 - Quick Disconnect (non-PF) models molded
connector cable assembly with 200 foot of C22S cable.
Table 1. Models and Associated Features.
Quick
Model
U2-1010S X X X X All Fuels
U2-1010S-PF X X X X All Fuels
U2-1010S-PF-050* X X X X All Fuels
U2-1010S-PF-100 X X X X All Fuels
U2-1012S X X Oil and Coal
U2-1012S-PF X X Oil and Coal
U2-1016S X X Gas and Light Oils
U2-1016S-PF X X Gas and Light Oils
U2-1018S X X X All Fuels
U2-1018S-PF X X X All Fuels
* The U2-1010S-PF-050 has a 50-ft (15m) pigtail and the U2-1010S-PF-100 has a 100-ft (30m) pigtail.
Connector
Pipe Fit
Connection
SPECIFICATIONS
Input Power Supply: 22-26 VDC, 120 mA max (approxi-
mately 3.5 watts)
Remote Communication: 2 wire RS485 compatible with
Modbus RTU protocol.
Flame And Fault Relay Contact Ratings:
1 A, 30 VDC (Resistive).
Maximum load current of 1A must be de-rated at tem-
peratures higher than 50C ambient according to 1%/C,
or 10mA/C. For example, the maximum current at
70C = 1A – (20C x 10mA) = 0.8A.
Do not apply more than 30VDC to flame relay or
self check relay.
The U2 requires the use of an isolated 24VDC
SELV (Safety Extra Low Voltage) power supply.
User Selectable Analog Output: 0-20 mA and 4-20 mA;
500 Ohm Load Max
File Select Input logic high: 21VDC min
File Select Input logic low: 16VDC max
User Interface: Capacitive TouchWheel with LED Display
Ambient temperature: -40 to 70 ºC (-40 to 158 ºF)
Enclosure: IP66
Weight: 2.8 kg (6.1 lbs)
Physical Dimensions: Diameter: 11.7 cm (4.6 inches)
Length: 15.5 cm (6.1 inches)
Finish: Silicone free powder coated
ASYU2S-300 - Quick Disconnect (non-PF) models molded
connector cable assembly with 300 foot of C22S cable.
C22S - Raw shielded 12 conductor, 22g, ITC, CIC
approved. Order by the foot.
Sensor Type
Typical FuelsUVTron IR UVSS
Mounting/Process Connection: 1” NPT female
Pipe Fit Models (PF version): 3/4” NPT
Fuses: Automatically resettable for power source and
Flame Relay.
Maximum furnace back pressure: 35 Kg/Cm2 (500 PSI)
Selectable Flame Failure Response Time (FFRT):
1, 2, 3 seconds, Error= +0.0sec, -0.5sec.
Internal Temperature Indication: Degrees C or F in dis-
play menu of U2, or available at Modbus register
40019.
Self-Checking
Internal electronic self checking is performed once per
second, to verify that system is operating properly. If
self check detects an error, the flame relay, and self
check relays will open, and the device will display "lockout". This lockout may only be cleared by manual entry
reset at the U2 Touchwheel interface.
Approvals:
Quick disconnect type
General
FM, CSA, CE (EN298), and EAC
Hazardous Location
CSA
CLASS I, DIVISION 2, GROUPS A, B, C, D
CLASS II, DIVISION 1, GROUPS E, F, G
CLASS III DIVISION 1 T5
Ex nA nC IIC T5 Gc Ex tb IIIC T85°C Db
CLASS I, ZONE 2, AEx nA nC IIC T5 Gc
ZONE 21 AEx tb IIIC T85°C Db
IECEx SIR 15.0068X Ex nA nC IIC T5 Gc
Ex tb IIIC T85°C Db IP66
SIRA 15ATEX4193X Ex nA nC IIC T5 Gc
Ex tb IIIC T85°C Dc IP66
32-00015—04 2
U2-S MODEL COMBINATION VIEWING HEAD AND SIGNAL PROCESSOR
CAUTION
CAUTION
!
CAUTION
CAUTION
!
CAUTION
CAUTION
!
WARNING
WARNINGWARNING
WARNING
WARNINGWARNING
PF version
General
FM, CSA, CE (EN298), and EAC
Hazardous Location
CSA
CLASS I, DIVISION 1, GROUPS A, B, C, D
CLASS II, DIVISION 1, GROUPS E, F, G
CLASS III DIVISION 1 T6
Ex d IIC T6 Gb Ex tb IIIC T85°C Db
CLASS I, ZONE 1, AEx d IIC T5 Gb
ZONE 21 AEx tb IIIC T85°C Db
IECEx SIR 15.0068X Ex db IIC T6 Gb
Ex tb IIIC T85°C Db IP66
SIRA 15ATEX1192X Ex db IIC T6 Gb
Ex tb IIIC T85°C Db IP66
Possible Equipment Damage
The aluminum surface of the U2 may store an
electrostatic charge and become a source of
ignition in applications with a low (<30%) relative
humidity. Cleaning the surface should only be
done with a damp cloth.
Do not expose to acetone, gasoline, hexane, or
ethyl acetate. label is not approved for these
chemicals.
Non-PF/
Color Function Connection
9-Tan File Select Output, 0 or +24V
output. Feedback for system
controlling file input select.
10-White +RS485 Modbus To Modbus +
11-Drain Cable Overall Shield To Earth Ground
12-Brown -RS485 Modbus To Modbus -
*Note - pink wire unused, leave unconnected.
Check wiring before applying power to the
system to make sure it is in accordance with the
wiring chart. Incorrect wiring may result in
unsafe operation or damage to U2.
NOTES:
1. For remote configuration and monitoring, refer
to Honeywell manuals for FlameTool for PC
(32-00001-01) and HMI S7999 Panel (3200003-01).
2. A total of eight parameter files are available.
Files 2 through 7 may be accessed using Flametools, and configured using Modbus register 40093.
To burner control
system. 0V = File
Select Input is low, or
+24V if FileSelect
Input is high.
Wiring
See “Typical Installation Diagram.” on page 12.
Non-PF/
Color Function Connection
1-Red Power Supply +24 VDC
Connect to 22-26 VDC
2-Purple File Select Input, 0 or 1 To control output.
3-Orange mA output (+) To current meter
4-Blue mA output (-) To current meter
5-Black Power Supply Return (-) or 0
VDC
6-Yellow Flame Relay (NO)
(power in)
7-Green Fault Relay (NO) (fault output) To fault monitoring of
8-Grey Flame Relay (NO) (safety
output)
To power supply
positive terminal
>21V input = file 1,
<16V = active file
defined at Modbus
register
40093(default 0).
positive
negative
To Power Supply
negative terminal.
To flame/fault relay
power source
burner control system
To burner control
system
INSTALLATION
See “Typical Installation Diagram.” on page 12.
Installation should be carried out by a qualified engineer
and should meet all local standards and safety
requirements.
Hazardous location installations require the use of
ITC/CIC approved cable installed in cable tray for non-PF
models, and in metal conduit for -PF models. The cable
installation must conform to the latest revision of the
National Electrical Code, or Canadian Electrical Code for
Class I, Division 2 (non-PF models), or for Class I, Division
1 (-PF models).
Approved CLI, DIV1 conduit seal must be installed
at PF model enclosure fitting for CLI, DIV1
hazardous location use.
Non-PF models must be secured as follows: hand-tighten
the connector at viewing head until it can be turned no
more. Continue tightening the connector an additional
180 degrees using pliers, or similar tool. Verify that
connector cannot be loosened by hand.
Over-tightening the connector can damage the
connector or housing.
Damage will void warranty and hazardous location
approvals. Do not exceed 180 degrees of further
rotation after hand tightening!
3 32-00015—04
U2-S MODEL COMBINATION VIEWING HEAD AND SIGNAL PROCESSOR
WARNING
WARNINGWARNING
3/4 (19) NPT
CONNECTION
2-29/32 (73)
1(25)
1 (25) NPT
CONNECTION
5-3/32 (130)
4-19/32
(118)
M34431
R-518-CL12-PG
PURGE AIR COUPLER
AND R-518-PT12
INSULATING LOCKING
COUPLER ADAPTER
BURNER FRONT PLATE
OR WINDOWBOX
M33628
1 (25)
NPTF PIPE
FLANGE
(OPTIONAL)
1. Ensure location provides clear view of the flame
under all operating conditions.
EXPLOSION HAZARD
DO NOT DISCONNECT WHILE CIRCUIT IS LIVE
UNLESS AREA IS KNOWN TO BE
NONHAZARDOUS.
Substitution of components may impair suitability
for class i, division 2.
2. If the burner is provided with a pipe mount, use a bell
type reducer to 1" NPT (M).
3. When using purge/cooling air, make sure hoses are
electrically isolated from the Earth to prevent multiple ground loops.
4. Depending upon the application, purge/cooling air
pressure and flow will be different. As it is easier to
The U2-S model viewing port is designed for interface to a
1" NPT (M) fitting. The viewing head can be mounted in
any orientation, any angle, upward or downwards.
It is recommended that earth ground is applied at the
labeled earth ground screw connection on the housing. It
is recommended the drain wire be connected to earth at
power supply.
To reduce noise interference from ignition transformer or
other high voltage sources, make sure all high voltage
cables are in good condition and are at least 300 mm (12")
away from U2 wiring.
Location/Mounting on Burner
Honeywell can provide mounting accessories such as a
swivel mount, heat/electrical insulator, quick mechanical
measure pressure than flow, ensure that the
entrance to air connection is a minimum of 25 mm
WC (1" wc) above back pressure at all the time, from
minimum to maximum load.
5. IMPORTANT!
FLAME DISCRIMINATION
In multi-burner applications, it is important to sight
for high frequency, high radiation intensity zone of
the target flame, while sighting the low frequency,
low radiation intensity zone of the background flame
see Fig. 3 for IR, or Fig. 4 for UV for an example. This
allows for filter, gain, and threshold settings to properly discriminate or recognize the target flame while
rejecting background flame.
6. Where practical, use a swivel mount to allow for
adjustments to optimize the flame viewing location.
disconnect, high pressure isolation unit, etc. Check with
your sales representative for your application.
Fig. 1. Dimensional drawings.
32-00015—04 4
Fig. 2. Typical mounting example.
U2-S MODEL COMBINATION VIEWING HEAD AND SIGNAL PROCESSOR
UV VIEWING
HEAD SIGHTED
ON UV ZONE
BURNER NOZZLE
CENTERLINE
UV RADIATION
ZONE
M33286B
HIGH FREQUENCY
FLICKER ZONE
DETECTOR IN GOOD
SIGHTING POSITION
(PARALLEL SIGHTING)
BURNER NOZZLE
CENTERLINE
LOW FREQUENCY
FLICKER ZONE
Fig. 3. IR viewing head location.
DETECTOR IN POOR
SIGHTING POSITION
M33285B
Fig. 4. UV viewing head location.
5 32-00015—04
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