background image

750-271

69

R = RUN

 H = HOLD 

L = LOCKOUT   C = CHECK

DEC

HEX

STATE

TERMIN

AL

YZ300 INTERLOCK ANNUNCIATOR LOCKOUT 

MESSAGES

41

29

L

3-43

HIGH WATER

42

2A

L

43-44

LOW WATER

43

2B

L

51-52

HIGH GAS PRESSURE

44

2C

L

50-51

LOW GAS PRESSURE

92

5C

L

52-54

AUX GAS

45

2D

L

47-48

LOW OIL PRESSURE

56

38

L

44-46

HIGH OIL TEMPERATURE

46

2E

L

46-47

LOW OIL TEMPERATURE

47

2F

L

48-50

LOW ATOMIZING MEDIA

48

30

L

54-55

HIGH PRESSURE

49

31

L

55-56

HIGH TEMPERATURE

50

32

L

56-57

AUX #4 OPEN

51

33

L

57-58

AUX #5 OPEN

52

34

L

58-59

AUX #6 OPEN

53

35

L

59-60

AUX #7 OPEN

40

28

L

60-P

AIR FLOW OPEN

DEC

HEX

STATE

TERMIN

AL

YZ300 INTERLOCK ANNUNCIATOR HOLD MESSAGES

94

5E

H

L1-40

OP CONTROL OPEN

60

3C

H

40-41

L1-3 AUX #1 OPEN 

61

3D

H

41-42

L1-3 AUX #2 OPEN 

62

3E

H

42-3

L1-3 AUX #3 OPEN 

63

3F

H-C

3-43

HIGH WATER

64

40

H-C

43-44

LOW WATER

65

41

H-C

51-52

HIGH GAS PRESSURE

66

42

H-C

50-51

LOW GAS PRESSURE

95

5F

H-C

52-54

AUX GAS

67

43

H-C

47-48

LOW OIL PRESSURE

96

60

H-C

44-46

HIGH OIL TEMPERATURE

68

44

H-C

46-47

LOW OIL TEMPERATURE

69

45

H-C

48-50

LOW ATOMIZING MEDIA

70

46

H-C

54-55

HIGH PRESSURE

71

47

H-C

55-56

HIGH TEMPERATURE

72

48

H-C

56-57

AUX #4 OPEN

73

49

H-C

57-58

AUX #5 OPEN

74

4A

H-C

58-58

AUX #6 OPEN

75

4B

H-C

59-60

AUX #7 OPEN 

5

5

H-C

60-P

AIR FLOW OPEN

Summary of Contents for CB120Z

Page 1: ...r or through the display interface the control provides current operating sta tus and lockout information in the event of a safety shutdown Following are some of the major con trol and monitor capabil...

Page 2: ...terminal block capable of a accepting up to 2 X 14 AWG wires The wiring base terminal block is available with knockouts for conduit or open ended for cabinet mounting The pigtail wiring base is 4 X 5...

Page 3: ...ENCE OF OPERATION STANDBY WATER 37 Standby Lag Mode 38 Standby Thermal Shock Protection Mode 39 ALTERNATE USES FOR AUX 1 INPUT 40 ALTERNATE USES FOR AUX 2 INPUT 42 FLAME SCANNERS 44 Installation UV Sc...

Page 4: ...400 C RTD Type Platinum 100 ohms 0 1 32 F 0 C Temperature Coefficient 00385 ohms ohms C Output 4 20 mA linear with temperature Operating Temperature Range 13 F to 185 F 25 C to 85 C Accuracy 0 75 of s...

Page 5: ...L A 20 L R A 240 VA Pilot Duty Motor Starter Coil 10 11 12 X Modulator 125 VA Pilot Duty A Alarm 50 VA Pilot Duty Terminal ratings may be selected from either column A or C for 120 VAC or from either...

Page 6: ...73 23 EEC EMC Directive 89 336 EEC GASTEC 0063BT1754 EN298 2003 EN230 2005 DVGW Reg No NG 2510BT0347 DIN CERTCO Reg No 5F233 08 CAUTION Published load ratings assume that no contact be required to han...

Page 7: ...903 X X X 833 3904 X X X CB120Z Displays 833 3905 X X X X X X 833 3906 X X X X X X CB120Z Wiring Bases 833 3731 X X X X X 833 3730 X X X X X X CERTIFICATION IN HAND Programmers Non recycle Operation 7...

Page 8: ...parameters non recycle operation modulation open damper proving indefinite pilot hold revert to pilot from auto 4 second FFRT 833 3904 Keypad selectable parameters non recycle operation modulation ope...

Page 9: ...placement UV tube 833 3727 CB P N DESCRIPTION 817 4480 Pressure sensor 0 15 psi 817 4481 Pressure sensor 0 30 psi 817 4482 Pressure sensor 0 200 psi 817 4483 Pressure sensor 0 300 psi 817 4484 Temp se...

Page 10: ...LED WIRING BASE 833 3730 OPEN BOTTOM CABINET MOUNT CHASSIS AMPLIFIER 120 VAC 50 60 Hz 833 3728 833 3729 833 3726 833 3727 PROGRAMMER MODULE 833 3901 833 3902 833 3903 833 3904 DISPLAY MODULE 833 3905...

Page 11: ...s a The maximum lead wire length is 200 ft 61 meters to terminal inputs Operating limits interlocks valves etc b Flame Detector lead wires see section on flame scanners c Remote reset The maximum leng...

Page 12: ...rlock 120 VAC 1 mA P Gray Input Running Interlock 120 VAC 1 mA D Wht Brn Input Low Fire Start Switch 120 VAC 1 mA 8 Wht Gry Input Open Damper Proving Switch 120 VAC 1 mA W Wht Orn Output Delayed Main...

Page 13: ...1 4 NPT female fitting for connection to the steam header 2 Make sure the boiler is shut down and zero steam pressure exists in the boiler vessel 3 Disconnect power to the boiler controller so the bo...

Page 14: ...PERATURE SENSORS The immersion style temperature sensors have a NPT mounting for the 2 4 and 8 thermowell probes and a conduit fitting for electrical connections HOT WATER STANDBY WATER TEMPERATURE No...

Page 15: ...r wiring should be in a separate conduit DO NOT install sensor wiring in any conduit or junction boxes with high voltage wiring 6 Maximum wiring distance for sensor wiring is 100 feet 7 See following...

Page 16: ...ort circuit is detected it must be eliminated before the control is plugged into the wiring base and power turned on Test the electrical field wiring for short circuits and grounds The recommended met...

Page 17: ...the printed circuit board containing the relays To replace the fuse remove power from the system and remove the control from its wiring base Using an appropriate tool remove the defective fuse and dis...

Page 18: ...5 6 MTFI 5 6 Running Interlock 3 P Flame FailTime Seconds Firing Rate Motor SETTINGS SHOWN ARE FACTORY DEFAULT 833 3901 30 YES YES INTRP NO 10 10 10 15 Non recycle 4 YES 833 3902 30 YES YES INTRP NO...

Page 19: ...ovides the status of the high fire purge interlock circuit M 8 This LED lights anytime the M 8 circuit closes during Prepurge PTFI MTFI Post Purge CLOSE DAMPE R Will blink when the modulator motor is...

Page 20: ...ches oil temperature switches atomizing media pressure switches and excess smoke den sity controls These interlocks prove proper conditions for normal operation of the burner They are wired in series...

Page 21: ...rs for proper boiler operation see Figure 7 The menus are circular in that continued pressing of the NEXT or BACK keys will eventually land you in the same place that you started Any menu item that is...

Page 22: ...ng the BACK key will scroll backward through the sub menu When a modifiable parameter is displayed the top line will indicate MDFY TO CHANGE while the bottom line will indicate the current item and it...

Page 23: ...This wait time applies prior to pilot trial for ignition PROVE M D TFI NO YES NO Select YES to force lockout on M D opening during PTFI and MTFI Baud rate 9600 4800 9600 192001 Sets communication bau...

Page 24: ...cal limits burner on switch first low water cutoff etc located in the L1 3 operating control recycling circuit are closed but the burner is in a shutdown or standby state due to the current measured p...

Page 25: ...ized entry and modification of system setpoints and operating parameters these parameters are password protected IMPORTANT THE CB120Z SYSTEM IS SHIPPED WITH THE SOFTWARE PASSWORD SET BY THE FACTORY TH...

Page 26: ...hoice has been made and the pressure or temperature sensor has been selected UNITS OF MEASURE will be replaced by DISPLAY UNITS This item can be START HERE FROM BOILER PARMS Scrolls through menu clock...

Page 27: ...e STPT and determines the point where a burner cycle begins CUT OUT is a differential value that is added to the STPT and determines the point where a burner cycle ends MOD RNG is a differential value...

Page 28: ...h response then you don t need to implement derivative controller to the system PCV PRES 30 0P PCV INPUT STEAM START HERE MODE MDFY TO CHANGE CUT OUT 2 0P MDFY TO CHANGE CUT IN 2 3P DERIVATV TRM 0 INT...

Page 29: ...will initiate a burner cycle Note The cut in setpoint CUT IN is a differential value Point D steam pressure or water tem perature in which the operating control closes is determined by subtracting the...

Page 30: ...he firing rate motor Note The modulating range setpoint MOD RNG is a differential value Point C Steam pressure or water temperature in which the firing rate motor is at the high fire position is deter...

Page 31: ...g rate or base load one boiler in a multiple boiler environment The MOD USE setpoint has two selections AUTO and MANUAL The AUTO selection will have the CB120Z modulate the firing rate motor based on...

Page 32: ...wer than the sum of setpoint STPT plus cut out CUT OUT Alarm points for stack monitor ing can be set anywhere within the sensor range to meet the application The marginal high limit and high limit ala...

Page 33: ...protection THML OVRD Timed Override Per Segment Setpoint Determines maximum time CB120Z holds the firing rate for each segment before increasing to the next segment THML STRT and THML EXIT Once the bu...

Page 34: ...21 Please note these inputs have multiple uses and must be programmed as LAG to utilize this function The function of Lead or Lag operation is determined by the status of a maintained 120 VAC wired to...

Page 35: ...EAD operation will continue for this user settable delay 0 to 15 minutes before switching to LAG operation The purpose for this delay is it allow sufficient time for the New Lead Boiler to prepare to...

Page 36: ...steam pressure drops the Lag Boiler will cut in at 80PSI at the low fire position The Lag Boiler will modulate from low to high fire between 80 PSI low fire and 65 PSI high fire As steam pressure rise...

Page 37: ...service a Burner turn on With FRCD ON input inactive the boiler will turn on if the control variable is below the cut in value With FRCD ON input active the boiler will turn on if the control variabl...

Page 38: ...ed as standby water both lead or lag pressure and temperature inputs are monitored continuously with steam pressure having priority Because both steam and water are active inputs the CB120Z will opera...

Page 39: ...am pressure the user programs the following setpoints which are found under AUX1 SETPOINTS AUX1 USE The temperature sensor connected to the AUX1 input will be used to monitor the boiler water of a ste...

Page 40: ...ner oil temperature or in a hot water system the return hot water This informa tion is to the display screen as well through modbus communication STACK TEMPERATURE STACK A temperature sensor can be in...

Page 41: ...30m 15P 30P 2060m 200P 300P 13 8B 20 7B MNITR TEMP NONE 176C 350F 752F 400C STACK TEMP NONE 176C 350F 752F 400C MRGNL STACK LIMIT STACK PRESS MODE AT ANYTIME TO EXIT SUBMENU OR CANCEL CHOICE AUX 1 CON...

Page 42: ...ture An operating inhibit set point OUTDR STPT can then be programmed so that when the outdoor air temperature is above this inhibit setpoint the operating control circuit of the CB120Z system will no...

Page 43: ...PRES NONE 1030m 15P 30P 2060m 200P 300P 13 8B 20 7B MNITR TEMP NONE 176C 350F 752F 400C OUTDR TEMP NONE 176C 350F 752F 400C STACK TEMP NONE 176C 350F 752F 400C OUTDR STPT MRGNL STACK LIMIT STACK PRESS...

Page 44: ...sition is rigidly fixed If the scanner mounting pipe sights through the refractory do not extend it more than halfway through Swivel flanges are available if desired 60 302 for UV1A UV2 Scan ners 60 1...

Page 45: ...cycling In addition ultravi olet self checking systems are mandatory in some locations The operation of this type of system consists of maintaining the flame scanning capability at all times while als...

Page 46: ...ould not be installed in the same conduit with flame detector wires INSTALLATION INFRARED SCANNER TYPE 48PT2 Where possible obtain the burner manufacturer s instructions for mounting the scanner other...

Page 47: ...etween real and simulated flame conditions Simulated flame can usually be caused by burner throat modulation radiation from the refractory tiles or steam atomization The result of this technique of fl...

Page 48: ...RN pro cess is complete Pressing the up arrow and then down arrow will indicate the updated state of DO IR LEARN The type of burner and fuel will affect the amplitude and radiation characteristics of...

Page 49: ...ing in contact with any object 7 An adequate grounding surface for the flame must be provided The grounding surface in actual contact with the flame must be at least 4 times greater that the area of t...

Page 50: ...pending upon which style pro grammer is being used it is necessary to check the bulletin covering the specific programmer for exact details Refer to the suggestions shown in this bulletin before proce...

Page 51: ...loses M 8 and the prepurge interval of 30 seconds is initiated Assuming countdown method the display will show If the M 8 circuit does not close the program will hold in this position for ten minutes...

Page 52: ...herwise selected this period is ten seconds in duration Terminal W will de energize after 5 seconds Refer to PTFI MTFI TIMINGS to determine times selected or timings appropriate for the application Th...

Page 53: ...n fuel valve is de energized The firing rate motor is driven to the low purge position 10 12 circuit made 2 Following a 15 second post purge the burner blower motor is de energized 3 The burner is now...

Page 54: ...Connect terminal E to grounded bonding screw in cabinet All wiring must comply with NEC Class 1 Line Voltage wiring Caution All safety limit switches should be approved as limit controls and should b...

Page 55: ...kout c If PROVE M D OPEN is selected as YES and the M D switch is closed at the end the high fire purge cycle the control will hold for thirty 30 seconds for it to open If after thirty 30 seconds the...

Page 56: ...CHECK WIRING Voltage is detected on terminals at improper time Check system wiring Measure voltages on input output terminals CHECK SCANNER Flame signal detected during shutter close time in scanner C...

Page 57: ...T13 FUEL VALVE END SWITCH OPEN z z M D LOW FIRE START OPEN z z M D LOW FIRE START OPEN PTFI z z z M D LOW FIRE START OPEN MTFI z z z z M D CLOSED z z M 8 CLOSED z z M 8 HIGH PURGE CIR CUIT OPEN z FALS...

Page 58: ...y the Burner Hour followed by the Burner Cycle when the lockout occurred The NEXT key will advance to the next lockout and repeat the sequence listed above The BACK key can be used to scroll back up t...

Page 59: ...SS KEY FROM MAIN MENU LOOP LO 9 PURGE 3 P INTLK OPEN LO 10 STANDBY BNR CYCLE 8 LO 10 STANDBY BNR HOUR 3 LO 10 STANDBY T13 FVES OPEN LO 9 PURGE LO 1 PTFI FLAME FAIL 3 LO 1 PTFI BNR HOUR 1 LO 1 PTFI BNR...

Page 60: ...ds were requested then DBC would be 8 and there would be 8 data bytes or 4 data words containing the requested data The format of the data is N 8 1 meaning no parity and 1 stop bit Baud rate is select...

Page 61: ...ckout Data Returns complete lockout description of stored lockout history Includes lockout message 1 lockout module 1 burner hours 2 and burner cycles 2 s 40022 21 6 2nd Most Recent Lockout Data 40028...

Page 62: ...Primary Sensor Mod Range 40116 115 1 Primary Sensor Marginal Alarm 40117 116 1 Primary Sensor Limit Alarm 40120 119 1 AUX 1 Sensor Use 40121 120 1 AUX 1 Sensor Type 40122 121 1 AUX 1 Sensor Set Point...

Page 63: ...bus register 4101 40102 or 40103 40150 149 1 LAG 2 Lag Mode Except as noted all boiler parameters are readable FNC 03 and writeable FNC 06 Only word writes are provided Consult factory or refer to www...

Page 64: ...ord low word as shown below The same applies to Burner on Minutes and Burner Cycles All values are represented in a HEX or base 16 format GSTAT determines the type of value TIMER represents TIMER can...

Page 65: ...15 Bit 11 Bit 8 Term A Term 11 Term X Term 12 Alarm N A N A N A Bit 7 Bit 3 Bit 0 IS Term W Term 7 Term M Term 6 Term 5 Internal Safety Delayed Valve Main Valve Blower Pilot Valve Ignition Bit 7 Bit 0...

Page 66: ...ination is not needed 8 08H PTFI If PTFI is greater than 5 seconds and early spark termination is needed 9 09H PILOT Pilot Hold 833 3903 only 10 0AH MTFI Main Trial for Ignition 11 0BH MTFI Main Trial...

Page 67: ...MODEL ONLY 15 F R T21 INPUT CLOSED 16 10 L LOCKOUT M D LIMIT OPEN PTFI 17 11 L LOCKOUT M 8 LIMIT OPEN 18 12 L LOCKOUT M D LIMIT OPEN 19 13 L LOCKOUT FLAME FAIL MTFI 20 14 L LOCKOUT FALSE FLAME 21 15 L...

Page 68: ...UT M D LIMIT CLOSED 81 51 Reserved for future use 82 52 Reserved for future use 83 53 L LOCKOUT FLAME FAIL PILOT 84 54 L LOCKOUT 3 P INTLK OPEN PILOT 85 55 L LOCKOUT M D LIMIT OPEN PILOT 86 56 L LOCKO...

Page 69: ...5 L 59 60 AUX 7 OPEN 40 28 L 60 P AIR FLOW OPEN DEC HEX STATE TERMIN AL YZ300 INTERLOCK ANNUNCIATOR HOLD MESSAGES 94 5E H L1 40 OP CONTROL OPEN 60 3C H 40 41 L1 3 AUX 1 OPEN 61 3D H 41 42 L1 3 AUX 2 O...

Page 70: ...OMMS port jack and the jack is located next to the EXP port Use caution so as NOT to plug the jack into the EXP port The test jacks accept standard plugs having a diameter of 0 078 2mm The maximum inp...

Page 71: ...witch to Run will allow the control to advance 3 During the PTFI period switching to the Check position will stop the program in the PTFI period allowing for pilot and or scanner alignment adjustments...

Page 72: ...problem with the supply to the control This could be caused by an improperly sized or faulty transformer faulty load coils or low entry voltage Follow this procedure 1 Monitor the L1 L2 supply throug...

Page 73: ...lockout Minimum Pilot Test This test assures that the flame detector will not detect a pilot flame too small to reliably light off the main flame The test should be made on every new installation and...

Page 74: ...ort circuit A number 14 AWG copper conductor is adequate wide straps or brackets are preferred rather than lead wires 4 The ground path needs to be low impedance less than 1 ohm to the equipment frame...

Page 75: ...nition cable The high energy ignition cable should be checked periodically for cracking connections and aging In applications using flame rod units it may be beneficial to route a separate return wire...

Page 76: ...high humidity the control chassis should be removed and placed in a dry atmosphere when the system is expected to be out of service for an extended period Periodic Safety Check It is recommended that...

Page 77: ...ALM PCV TEMP 32 350F 32 752F WTR STPT CUT IN CUT OUT MOD RNG MRGNL ALM LIMIT ALM INTEGRAL TRM 0 100 DERIVATV TRM 0 100 AUX1 USE STACK TEMP MNITR TEMP STNDBY WTR PRES AUX1 TEMP 32 350F 32 752F AUX1 PRE...

Page 78: ...EGMENT THML START THML EXIT THML LF Low fire modulating position during thermal shock THML OVRD 0 to 60 min PROGRAM SETUP VALUES PURGE 30 sec to 60 min CNT METHOD DOWN UP PROVE 3 P OPEN NO YES PTFI MT...

Page 79: ...750 271 79 NOTES...

Page 80: ......

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