Honeywell Burner EC7820A User's Manual
Contents
1. 5F 105 96 EN298 Automatic gas burner systems for gas burners and gas burning appliances with or without fans Please note the following to comply with EN60730 for remote mounting of the KDM and or remote reset It is necessary to provide electrical separation using insulation at least equivalent to double or reinforced insulation Accomplish this by either e Optically isolating the communication and or remote reset lines from the control cabinet or e Providing physical separation from the communication and or remote reset lines using electrical conduit and a remote display cover assembly part no 204718A or other suitable enclosure that meets IP40 class of protection Mounting Q7800A Wiring Subbase for Panel Mount To meet EN60730 requirements mount the relay module in a secured panel which meets IP40 class of protection Required Components Plug in Flame Signal Amplifier See Table 2 ST7800A Plug in Purge Timer Cards Selectable from two seconds to 30 minutes Q7800A Wiring Subbase Accessories Keyboard Display Modules KDM Optional S7800A1001 English language S7800A1035 French language S7800A1043 German language S7800A1050 Italian language S7800A1068 Spanish language S7800A1118 Katakana Japanese language S7800A1126 Portuguese language S7800B1009 Chinese language 7800 SERIES EC7810A EC7820A RELAY MODULES Communications Miscellaneous Q7700B1004 Network Interface Unit with universal 100 to S2. 027 2 sec EC7810A1035 Purge or Standby Waiting Preignition Ignition Attempts Pilot Stab SD sun Standby and Run can be an infinite period Waiting Time is determined by the ST7800A Purge Card selected Second Safety Time is Main Trial Time plus Flame Failure Response Time Electrical Ratings See Tables 1A and 1B Voltage and Frequency 220 to 240 Vac 10 15 50 60 Hz 10 Keyboard Display Module Optional 13 Vdc peak fullwave rectified 20 15 Power Dissipation Relay Module 10W maximum KDM 3W maximum Maximum Total Connected Load 2000 VA Fusing Total Connected Load 20A type FRN or equivalent Environmental Ratings Ambient Temperatures Operating 40 C to 60 C 40 F to 140 F Storage 40 C to 66 C 40 F to 150 F Humidity 85 RH continuous noncondensing Vibration 0 5G environment Dimensions See Fig 1 and 2 Weight Relay Module 0 730 kg unpacked KDM 0 113 kg unpacked IMPORTANT Flame Detection System available for use with EC7810 EC 7820 Select your plug in Flame Signal Amplifier and applicable Flame Detector from Table 4 Approvals This product complies with the following European directives Gas Appliance Directive 90 269 EEG Low Voltage Directive 73 23 EEG EMC Directive 89 336 EEG GASTEC CE 63AP3070 1 Factory Mutual J l OYOA9 AF 66 2040 Oil Approvals EC7810A1027 DIN 5F 104 96 EC7820A1026 DIN
3. 0901240 Vac 4A at PE 105 20M irish rn Frame Signal HaS10 220 Vac current ted a See Table 2 b 2000 VA maximum connected load to 7800 SERIES Relay Module Assembly c Total load current excluding burner boiler motor and firing rate outputs cannot exceed 5A 25A inrush d Can also be 24 Vac 3A at PF 0 5 e 220 240 Vac to 120 Vac 10 VA minimum stepdown transformer not provided required to drive shutter Table 2 Recommended grounding practices Ground type Recommended Practice Earth ground subbase and relay module 1 Use to provide a connection between the subbase and the control panel of the equipment Earth ground must be capable of conducting enough current to blow the 20A fuse or breaker in the event of an internal short circuit Use wide straps or brackets to provide minimum length maximum surface area ground conductors If a leadwire must be used use 14 AWG copper wire Make sure that mechanically tightened joints along the ground path are free of nonconductive coatings and protected against corrosion on mating surfaces Signal ground KDM Data ControlBus Use the shield of the signal wire to ground the device to the signal ground Module Communications Interface terminal 3 c of each device Connect the shield at both ends of the daisy chain ControlBus M Module to earth ground 3 66 2040 7800 SERIES EC7810A EC7820A RELAY MODULES Table 3 Sequence Timing for Normal Operation Device EC7810A1
4. 7800 SERIES EC7810A EC7820A RELAY MODULES eiz r py 88 aa A REMOVE ONLY FOR TERMINAL TEST ACCESS M12821 Fig 1 Mounting dimensions of relay module and wiring subbase in millimeters only SPECIFICATIONS Table 1A EC7810A Terminal Ratings Line Voltage Common Neutral 220 240 Vac 10 15 50 60 Hz 10 220 230 240 Vac 1A 10A inrush for 5000 cycles 220 230 240 Vac 5A maximum 220 230 240 Vac 1 mA 220 230 240 Vac 4A at PF 0 5 20A inrush C 220 230 240 Vac 4A at PF 0 5 20A inrush 220 230 240 Vac 4A at PF 0 2 136 to 220 Vac current limited 220 230 240 Vac 4A at PF 0 5 4 220 230 240 Vac 4A at PF 0 5 9 220 240 Vac 10 15 a See Table 2 b 2000 VA maximum connected load to 7800 SERIES Relay Module Assembly C Total load current excluding burner boiler motor and firing rate outputs cannot exceed 5A 25A inrush d Can also be 24 Vac 3A at PF 0 5 e 220 240 Vac to 120 Vac 10 VA minimum stepdown transformer not provided required to drive shutter 66 2040 2 7800 SERIES EC7810A EC7820A RELAY MODULES Table 1B EC7820A Terminal Ratings Temminaine Abbrevion Desorpten ramas S Fame SensorGron if OS S SC SsS S ae Feen an ine Voltage Common Nesta 220 240 Vac 10 15 50 60 Hz 10 b A Limits and Burner Control 22012901240 Vac SA maximum A fot ave nterupied 22072307280 Vac AA at PE 05 20A She a vain Fuel Vatve 22
5. 7820A1007 Remote Reset Module 250 Vac 50 60 Hz external power supply external 203541 Data ControlBus Connector 5 wire modem required 203765 Remote Display Mounting Bracket QS7800A1001 ControlBus Module standard 221729 Relay Module Dust Cover QS7800B1000 ControlBus Module multidrop 204718A Keyboard Display Module Cover NEMA 4 clear QS7800C1009 ControlBus Module data acquisition 204718B Keyboard Display Module Cover NEMA 1 clear modules 204718C Keyboard Display Module Cover NEMA 4 clear QS7800D1008 ControlBus Module Armstrong with reset button QS7800E1007 ControlBus Module Pulsafeeder 205321B Flush Display Mounting Kit QS7850A1006 ControlBus Module General Purpose 221818A Extension Cable display 1524 mm Interface 221818C Extension Cable display 3048 mm ZM7850A1001 Combustion System Manager Software 123514A Rectification Flame Simulator ZM7850B1000 SYSNet Facilities Integration Software 203659 Ultraviolet Flame Simulator S7810A1009 Data ControlBus Module if no KDM is 203968A Remote Display Power Supply 13 Vdc plug in used S7810B1007 Data ControlBus Module Multi Drop Switch Module Table 4 Flame Detection System Plug in Flame Signal Amplifiers Applicable Flame Detectors Flame Failure Response Type Color Self Checking Time Fuel Type Rectification Green No R7847A 1 or 2 sec Rectifying C7004 C7007 C7011 maximum Flame Rod Complete Assemblies Holders C7008 C7009 Q179 R7847A 1
6. Honeywell 7800 SERIES EC7810A EC7820A Relay Modules GENERAL The Honeywell EC7810 EC7820A Relay Module is a microprocessor based integrated burner control for automatically fired gas oil or combination fuel single burner atmospheric EC7810A or atmospheric with fan EC7820A applications The EC7810A EC7820A system consists of the relay module wiring subbase amplifier and purge card The optional keyboard display module KDM can be mounted on the relay module or on the face of a panel door The KDM can also be mounted remotely from the panel if this is approved for the application The EC7810 EC7820 is programmed to provide a level of safety functional capability and features beyond the capacity of conventional controls The basic functions of the EC7810 EC7820A include automatic burner sequencing flame supervision system status indication system or self diagnostics and troubleshooting U S Registered Trademark Copyright 1998 Honeywell Inc All Rights Reserved SPECIFICATION DATA FEATURES Safety features Interlock check Dynamic AMPLI CHECK Closed loop logic test Dynamic input check Dynamic safety relay test Dynamic self check logic Expanded safe start check Internal hardware status monitoring Low Fire Start Switch test Tamper resistant timing and logic Ignition attempts 1 or 5 Selectable by model number Access for external electrical vol
7. he boiler if the amplifier fails f Circuitry tests all electronic components in the flame detection system amplifier and detector 12 times a minute during burner operation and shuts down the burner if the detection system fails g A 220 240 Vac to 120 Vac 10 VA step down transformer not provided must be used to drive the shutter 5 66 2040 66 2040 66 2040 Home and Building Control Honeywell Inc Honeywell Plaza P O Box 524 Minneapolis MN 55408 0524 Honeywell Latin American Region 480 Sawgrass Corporate Parkway Suite 200 Sunrise FL 33325 66 2040 G R 3 98 Home and Building Control Honeywell Limited Honeywell Limitee 155 Gordon Baker Road North York Ontario M2H 3N7 Honeywell Europe S A 3 Avenue du Bourget 1140 Brussels Belgium Printed in U S A on recycled amp paper containing at least 10 post consumer paper fibers Honeywell Asia Pacific Inc Room 3213 3225 Sun Hung Kai Centre No 30 Harbour Road Wanchai Hong Kong Honeywell www honeywell com
8. or 2 sec Rectifying C7003 un C7013 maximum Photocell C7014 b Dynamic R7847B 1 or 2 sec Rectifying C7004 C7007 C7011 Ampli Check maximum Flame Rod Complete Assemblies Holders C7008 C7009 Q179 Dynamic R7847B 1 or 2 sec Rectifying C7003 C7010 C7013 Ampli Check maximum Photocelld C7014 b Ultraviolet Purple Noc R7849A 1 or 2 sec Gas oil Ultraviolet C7027 C7035 C70440 maximum Minipeeper Dynamic R7849B 1 or 2 sec Gas oil Ultraviolet C7027 C7035 C70444 Ampli Check maximum Minipeeper Dynamic R7861ACf 1or2sec Gas oil Ultraviolet C7061 9 Self Check maximum Blue Dynamic R7886A cf 2 sec Gas oil Ultraviolet Self Check maximum coal Adjustable Sensitivity a Order flame rod separately see holder instructions b Use only Honeywell Photocell part number 38316 c Dynamic Self Check ultraviolet amplifiers should be used only on burners that cycle on off at least once every 24 hours Appliances with burners that remain on continuously for 24 hours or longer should use C7061A Flame Detector with R7861A Amplifier d C7027 C7035 and C7044 Flame Detectors should be used only on burners that cycle on off at least once every 24 hours Appliances with burners that remain on continuously for 24 hours or longer should use C7061A Flame Detector with R7861A Amplifier as ultraviolet flame detection system Circuitry tests the flame signal amplifier at least 12 times a minute during burner operation and shuts down t
9. tage checks Application flexibility Dependable long term operation provided by microcomputer technology First out annunciation and system diagnostics provided by a 2 row by 20 column vacuum fluorescent display VFD located on the KDM optional Five sequence information light emitting diodes LED with symbols for Power Pilot Flame Main and Alarm see Fig 1 Interchangeable plug in flame amplifiers Nonvolatile memory EC7810 EC7820 retain history files and sequencing status after loss of power Remote reset subject to application approval optional Remote mounting of KDM subject to application approval Burner control data available on the optional KDM Flame signal strength Hold status Lockout alarm status Sequence status Sequence time Total cycles of operation Total hours of operation Fault history providing the six most recent faults e Cycles of operation at the time of the fault e Fault message and code e Hours of operation at the time of the fault e Sequence status at the time of the fault e Sequence time at the time of the fault Diagnostic information e Device type e Flame amplifier type e Flame failure response time FFRT e Manufacturing code e On off status of all digital inputs and outputs e Selected prepurge time e Software revision and version of relay module and optional KDM e Status of configuration jumper e Status of Run Test Switch 66 2040
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