Data Sheet
Contents
1. 7 gt RATIO DECREASE RELAY OFF RELAY ON J gt BNR ON BNR OFF ACCEPT SEQ SEQ _RATIO_ START END START END SET GAIN be SS za CANIS di 26VDC FFRT ZX 1 2 3 SEC OPTION SSS 125A APPROVED OUT 20 MA VH VH VH bo RET sic sc v CHASSIS EARTH OR SYSTEM GND 0 20 OR 4 20 MA FOR INDICATOR OR INSTRUMENTATION 360 OHMS MAX TO VIEWING HEAD 24V BACKUP BATTERY OPTIONAL M34280 Fig 1 Model 700ACSP Signal Processor Wiring HONEYWELL MODEL 700 800 SIGNAL PROCESSOR AND VIEWING HEAD SOS IS ON OFF COM ON E OFH AUTO SETUP ON OFF COM kja ON OFF SEQ SEQ AUTO FAULT PRESS BUTTONS FLAME FLAME SET 2 SEC TO ACTUATE SIG ON gt RELAY ON LOAD SET FACTORY DEFAULTS INCREASE RATIO RELAY OFF RELAY ON ACCEPT RATIO SET GAIN APPROVED OUT 20 20 MA RET 3e E PWR Mis aE aS 0 20 OR 4 20 MA FOR INDICATOR OR INSTRUMENTATION 360 OHMS MAX TO VIEWING HEAD DC POWER SUPPLY 250 MA CHASSIS EARTH OR SYSTEM GND 24 V BACKUP BATTERY OPTIONAL M34282 Fig 2 Model 700DCSP Signal Processor Wi2. features offered resulting in ten different models See Table 1 on page 2 for details The S702 and S706 viewing head housings are larger in diameter than the S80X series are made of aluminum and are secured with over center latches to their mounting blocks Fig 9 In contrast the S802 and S806 viewing head housings are smaller in diameter and are made of stainless steel Fig 10 An 800 series viewing head is secured in its mounting block by a friction twist lock The IR flicker sensitive viewing heads have a high pass filter that passes flicker frequencies above 33 Hz Some models have a built in high pass filter that only passes frequencies above 155 Hz The high frequency filter models are identified by adding HF to the model number The UV models respond to the level of UV radiation not UV flicker so there is no filter option Contents Application 1 3 uten aepo thter t eects dd et 1 ae 1 Specifications ssssssssseeeeeneeene 2 Approvals ce Andre neds 3 IStallatiOn yc eeen reene 3 Operation M 10 Modbus Communication eene 14 Troubleshooting 17 2 17 Safety Manual 700 Signal Processor 33 Safety Manual S70X amp 80X Viewing Head 36 66 2069 02 HONEYWELL MODEL 700 800 SIGNAL
3. Honeywell Honeywell Model 700 800 Signal Processor and Viewing Head VSS VD AAA MODEL 700DC APPLICATION The Honeywell Model 700ACSP and Model 700DCSP signal processors are single channel fail safe flame monitoring systems when used In conjunction with the S70X S80X viewing heads They offer easy setup excellent discrimination and high reliability FEATURES Viewing heads are interchangeable between the two signal processor models Any viewing head in the two families will work with any of the signal processors Two signal processor models are available USER MANUAL Model 700ACSP Universal 85 265 VAC powered plus 24VDC backup Model 700DCSP 22 26VDC powered plus 24VDC backup The two Model 700 signal processors are similar with 12 push buttons a two digit numeric display and four LED status indicators for operator interface The only difference between the two is that one accepts AC power and the other accepts DC power Both models also accept 24VDC backup power Most of the signal processor connections are made through Phoenix plug in connectors Communication connections are made through modular phone jacks located at the top of the signal processors Fig 8 Both signal processor models mount on a standard 35 mm DIN rail They snap into place and may be released from the rail using a flat screwdriver There are two types of viewing heads IR flicker sensitive and UV sensitive with various
4. PROCESSOR AND VIEWING HEAD Table 1 Available viewing head models and associated features Pipe Fit Connection High 0 5 in NPTM with 50 ft UVTron Frequency Aluminum Stainless Steel Model Connector 15 2 m pigtail Sensor IR Sensor Filter 155Hz Housing Housing 702 X X X S702HF X X X X S702PF X X X S702HFPF X X X X 5706 X X X S706PF X X X 802 X X X S802HF X X X X 5806 X X X 1 All models include Electronic self check 2 Flicker Frequency filter settings available for IR sensor models 3 Gain Selection available through Signal Processor The viewing heads the viewing head connector and the cable provided are watertight and have NEMA 4X ratings when the connector is properly tightened with pliers and the cable is protected from UV exposure The availability of both UV sensing and IR flicker sensing viewing heads ensures that the flame monitoring systems can provide good discrimination in most single and some multiple burners firing a single fuel UV sensing is appropriate for monitoring natural gas some mixed gases and light oil flames IR flicker sensing is appropriate for monitoring heavy oil and coal flames SPECIFICATIONS Series 700 and 800 Viewing Heads MODELS S702 S702PF S702HF S702HFPF S706 S706PF AND MODELS S802 S802HF AND S806 Electrical 24VDC Power is supplied by Signal Processor Environmental Viewing Head Sealing NEMA TYPE 4X r
5. ated when the molded connector ring is tightened with pliers and a UV protection is provided for the cable by installing in conduit Ambient Temperature 40 F to 185 F 40 C to 85 C IR Detector Spec 5702 S702PF S702HF S702HFPF S802 S802HF Germanium photodiode with spectral response 950nm to 1710nm 1 2 intensity points and peak spectral response at 1400nm High Pass Filter Pickup 33 Hz standard 155 Hz high frequency option HF IR Optical Angle of View 1 degree 1 45 in dia at 6 ft or 3 7 cm dia at 1 8 m 66 2069 02 UV Detector Spec 5706 amp S706PF S806 UVtron with spectral response 185nm to 260nm and a peak response at 210nm UV Optical Angle of View 5 degrees 1 inch per foot Cable amp Connectors S70X S80X Viewing Heads New installations highest level of EMI shielding available ASY785 50 foot C330S cable with pre wired ASY786 connector ASY785 200 gt 200 foot C330S cable with pre wired ASY786 connector ASY786 gt Field wireable connector with shield Dimensions Refer to Fig 9 and Fig 10 Model 700ACSP amp Model 700DCSP Signal Processer Electrical Model 700ACSP Primary Input Power 85 265VAC 50 60 HZ 0 07A Max fused with either V H connected Battery Backup Voltage 22VDC to 26VDC 0 2A DC Max fused with either V H connected Electrical Model 700DCSP Primary Input Power 22VDC to 26VDC 250 mA Max fused with either V H connected Battery Backup V
6. gnal processors is shown in Fig 1 and Fig 2 Rectifier diodes separate the battery backup input from the main power bus until the battery voltage exceeds the internal DC voltage plus a diode voltage drop Resettable fuses shown as resistors with slashes and conventional fuses prevent internal failures from loading the power sources With the Model 700DCSP if a backup battery is to be used with a main power supply the two power sources would be wired as shown in Fig 2 If no backup battery is to be installed the main power supply can be connected at 26V PWR and GND as shown in Fig 2 or it can be connected to the 24V BATT input and GND It is preferable to use the battery connections because it takes advantage of the resettable fuse at the battery input resettable fuses recover automatically from a fault within a few seconds after power is removed At the 26V PWR input and its associated GND conventional1A fuses are used because they are able to protect against 240VAC being applied by accident this could happen if a Model 700DCSP is installed in a cabinet wired for a Model 700ACSP 66 2069 02 HONEYWELL MODEL 700 800 SIGNAL PROCESSOR AND VIEWING HEAD 66 2069 02 REO BRE aE REAR sc sb N OFF ON JOFF Cod ON Ort COM aju AUTO SETUP ON OFF SEQ SEQ OO AUTO FAULT PRESS BUTTONS FLAME FLAME SET 2 SEC TO ACTUATE SIG ON 7 f SN N RELAY ON LOAD SET FACTORY POINT DEFAULTS INCREASE 2 J A
7. ng coupler R 518 CL13 HTG between the viewing head flange and the burner mount b The purge air line should also be isolated from the viewing head This can be accomplished by installing any insulating material for example a rubber hose in between the purge air line and the viewing head Signal Processor Power Connections The Model 700ACSP power and relay connections are shown in Fig 1 The AC power supply to the 700ACSP Signal Processor passes through a 2A fuse and an inrush current limiter The Model 700DCSP power and relay connections are shown in Fig 2 The maximum current requirement for each 700DCSP is 250mA In the Model 700 signal processors the flame relay RF A B ON OFF COM has two sets of FORM C SPDT contacts and the self check relay SC ON OFF COM has one set Fig 1 and Fig 2 The self check relay is energized whenever the signal processor is powered and is operating normally whether the flame relay is energized or not Internally the flame relay is wired in series with the self check relay not shown which prevents the flame relay from energizing if the self check relay is not energized Unique fail safe circuitry for the self check and flame relays ensure that in the event of any critical component failure occurrence system response will be to de energize the self check relay which in turn de energizes the flame relay Some of the internal power wiring of the Model 700ACSP and Model 700DCSP si
8. oltage 22VDC to 26VDC 0 5A DC Max fused with either V H connected Outputs Flame Relay 2 form C contacts Self Checking Relay 1 form C contact Relay Contact Ratings 5A at 125 VAC 277 VAC amp 30 VDC 1 8 HP 125 amp 250 VAC Analog Flame Signal Isolated 0 to 20 mA or 4 to 20 mA output for remote meters or DCS 360 ohms maximum resistance Environmental Ambient Temperature 32 F to 140 F 0 C to 60 C Dimensions Refer to Fig 11 and Fig 12 HONEYWELL MODEL 700 800 SIGNAL PROCESSOR AND VIEWING HEAD APPROVALS S70X S80X Viewing Heads Connector series and Pipe fit series PF CSA for CLASS I DIV 2 GROUPS A B C D amp T4A FM 7610 NEMA 4X and CLASS 1 DIV 2 GROUPS A B C D amp T4A SIL 3 Fit for Use IECEx CSA 10 0003 Ex nA IIC T4 Gc 40 lt Ta lt 85 C 40 lt TA lt 185 F IP67 NEMA 4 4X rating applies when connector ring is properly tightened and cable is UV shielded 700ACSP and 700DCSP Signal Processors CSA C US FM INSTALLATION When Installing These Products 1 Read these instructions carefully Failure to follow them could damage the products or cause a hazardous condition 2 Checkthe ratings given in the instructions and one the products to make sure the products are suitable for your application 3 Installer must be a trained experienced flame safeguard control technician 4 After installation is complete check out product operation as provided in these instruc
9. r should not exceed 0 307 in order for it to go through the hex bushing in the connector But note that wiring the cable to the connector is not easy because of the limited space Also the LED indicator assembly must be mounted inside the connector and preferably soldered in place Thus it is recommended to purchase a pre wired cable and connector assembly from Honeywell NOTE FOR CLASS I DIV 2 RATING CABLING IN HAZARDOUS LOCATIONS MUST COMPLY WITH NEC ARTICLE 500 REQUIREMENTS AND APPLICABLE GOVERNING CODES In the U S cables should have ULs ITC rating in Canada cables should have CSA s CIC rating The recommended C330S cable has both ratings NOTE To obtain a NEMA 4X seal between the connector and the viewing head tighten the metal connector ring securely S702PF S702HFPF OR S706PF STANDARD PIGTAIL LENGTH 10 FEET 3 METERS C330S YELLOW 4 CONDUCTOR WITH DRAIN AND SHIELD WHITE TERMINAL VH SIG SC V 1 VH GND SHIELD M34285B Fig 3 Model 700 Viewing Head Cable With 1 2 in NPT Fitting 66 2069 02
10. ring HONEYWELL MODEL 700 800 SIGNAL PROCESSOR AND VIEWING HEAD Viewing Head Connector and Wiring Viewing heads are wired to the appropriate terminals located on bottom of the 700ACSP 700DCSP P531 or P532 signal processors The terminals are listed functionally in Table 2 Table 2 Terminal Descriptions 7TOOACSPor P531 or Description 700DCSP P532 Terminal Terminal VH SIG VH3 SIG Flame Signal from Viewing Head VH SC VH3 SC Shutter Drive Signal to Viewing Head VH V VH3 V 24VDC Power to Viewing Head VH GND VH3 GND GND Signal Ground Connectors and cables are shown in Fig 3 Fig 4 and Fig 5 Fig 3 shows the viewing head cable with the 1 2 in NPT pipe fitting and pigtail for use in a conduit The PF model comes with 50 feet of Honeywell C330S cable This cable is recommended for all new installations It has ITC and CIC ratings for hazardous location Figs 4 and 5 describe the C3308 cable used with the right angle field wireable connector Refer to Accessories on page 9 for part numbers The customer may also supply his own cable a replacement mating viewing head connector should be ordered Refer to CONDUIT ENCLOSURE Accessories on page 9 for part numbers The use of 22g 4 conductor cable with shield and drain is recommended The shield should be foil and braid type surrounding all conductors The shield should be connected to GND at the processor end The cable diamete
11. tions Signal Processor Mounting The 700ACSP and 700DCSP signal processors mount on a standard 35mm DIN rail They snap into place and may be released from the rail using a flat screwdriver Grounding and Shielding NOTE Installer must be a trained experienced flame safeguard service technician and should be familiar with the equipment operation and limitations and be aware of any applicable local codes and regulations 1 Connecta safety ground to the viewing head housing if applicable A ground screw is provided on the exterior of the viewing head housing for this purpose A WARNING The viewing head housing is grounded through cable signal processor so you must ensure that AC DC potentials at ground of signal processor and viewing head are the same or damage to the cable or signal processor can result 2 The viewing head and all associated cable conduit must be at least 12 inches 31 cm from any source of high energy or voltage for example igniter equipment 3 Install a ground wire from the ignition transformer case to the igniter assembly 4 Ensure all igniter wires and cables show no signs of wear Replace any igniter cables or wires that are frayed or cracked 5 The viewing head must be electrically isolated from the burner front a Electrical isolation can be accomplished by installing an Ultem nipple R 518 13 or an Ultem locking coupler adapter R 518 PT13 or R 518 PT13L in conjunction with a locki
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