Harsco Industrial ENVI Скачать руководство пользователя страница 4 | Manualshive

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ENVI

®

Control

4

This chart represents the temperature/resistance relationship of the 12K ohm thermistor mentioned above.

The user should become thoroughly familiar with the operation of the boiler and

controls before attempting to make any adjustments.

The display panel is used to setup and monitor boiler
operation by means of six push buttons; MENU, BACK,
ENTER, UP, DOWN, and RESET as shown.

There are shortcut functions also associated with these
buttons; LIGHT, SET PT, DHW, SVC and CANCEL. The
shortcut functions are available only when the default
(home) screen is displayed.

The four line screen shows boiler operating information
on various screens. The display screen is backlit for
ease of viewing. The display panel will turn off its
backlight after a period of inactivity. Press the BACK
button to illuminate the screen.

In a cascade system it will be necessary to make control
adjustments to every boiler display panel.

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Содержание ENVI

Страница 1: ...r s Guide Installation Date _______________________ Harsco Industrial Patterson Kelley 155 Burson Street East Stroudsburg PA 18301 Telephone 877 728 5351 Facsimile 570 476 7247 www harscopk com ENVI C...

Страница 2: ...ings 20 1 6 4 DHW Modes 21 1 6 5 Boiler Settings 22 1 6 6 OEM SETTINGS 23 1 7 Configuration Menu 23 1 8 CASCADE MENU 24 1 8 1 Cascade setup 24 1 8 2 Control Mode 24 1 8 3 Master Settings 25 1 8 4 Mast...

Страница 3: ...Protocol converter which is also available separately from your Patterson Kelley representative ENVI APPLICATION Note The ENVI control is capable of running the boiler on its own without any external...

Страница 4: ...ER UP DOWN and RESET as shown There are shortcut functions also associated with these buttons LIGHT SET PT DHW SVC and CANCEL The shortcut functions are available only when the default home screen is...

Страница 5: ...ot up is complete This screen displays the date time boiler status supply temperature setpoint temperature error codes present operating mode CH or DHW CM cascade master or CS 01 24 cascade member als...

Страница 6: ...ENVI CONTROL FLOW CHART Note Parameter ranges in flow chart reference a typical MACH boiler Parameter ranges will typically be different for a condensing vs non condensing boiler such as the Modufire...

Страница 7: ...s beginning the ignition sequence purging the combustion chamber Ignition the igniter and gas valve are energized while flame is detected Run flame is established igniter is de energized gas valve is...

Страница 8: ...s the value displayed when the control recognizes an open circuit This is common when a particular sensor such as the DHW sensor in the example above is not used but may also occur in the event of an...

Страница 9: ...g in Analog Input N A Not Currently Used Analog out Analog Output N A Not Currently Used Ignitions Number of Ignitions 0 99999 Burn Hi HR Hours at High Fire 75 to 100 HRS 0 99999 Burn MD HR Hours at M...

Страница 10: ...he cursor is on an error displays several lines of information about the status of the boiler during the error The error information recorded at the time of the error is shown in the table below Displ...

Страница 11: ...lities Boiler Settings Boiler Operating Settings Boiler settings contain the primary settings for the boilers operation OEM Settings Original Equipment Manufacturer Settings These setting are non conf...

Страница 12: ...S menu press at the CH SETTINGS menu to access the comfort heat parameters listed in the table below Alternatively pressing at the boiler status screen also accesses the CH SETTINGS menu You can now s...

Страница 13: ...Temp Minimum Outdoor Air Temperature 18 59 F SVC1 Max ODA SetP Desired setpoint Lo ODA Temp See Appendix I F SVC1 ODA Shutdown Outdoor Air Shutdown Temperature 45 140 F SVC1 Night Setback Reduces CH...

Страница 14: ...SIS OFF the boiler will shut off Once it shuts off it will not restart until the temperature drops below 150 F 160 F SETPOINT 10 F HYSTERESIS ON This is illustrated graphically below The MIN SETPOINT...

Страница 15: ...point temperature increases until LO ODA TEMP is reached by the outdoor air temperature When the outside air temperature has dropped to meet the LO ODA TEMP setting the setpoint of the boiler will be...

Страница 16: ...LV terminals 1 and 2 will reduce the CH setpoint by the value of the night setback setting Example Using the values CH SP 180 F and Night Setback 10 F when TB1 LV terminals 1 and 2 are open the CH set...

Страница 17: ...3 Description This mode is a combination of CH Mode 2 Outdoor Control and CH Mode 4 Header Stat The temperature is maintained at the location of the header sensor and the setpoint is based on the ODA...

Страница 18: ...ying 10 VDC sets the boiler setpoint to BOILER MAX SETPOINT Applying less than 5 VDC removes the heat request The Min and Max set points can be adjusted within the boiler settings menu NOTE When in an...

Страница 19: ...ough the boiler may be receiving a 10 VDC signal high fire will not be achieved if certain parameters such as the boiler maximum temperature are exceeded NOTE When in analog control mode enable disabl...

Страница 20: ...nt for Domestic Hot Water Output 86 185 F User Tank set Setpoint of Storage Tank DHW mode 1 104 162 F User ON different Boiler On Differential 0 36 F SVC1 OFF different Boiler Off Differential 0 36 F...

Страница 21: ...tive for assistance on tank sizing 1 6 4 2 DHW Mode 2 Storage Stat Storage Tank with Thermostat Installer needs to supply a closure device aquastat thermostat flow switch etc to close the DHW Enable c...

Страница 22: ...w fire Example 45 F MBD 5 F MBD Offset 50 F at which time the boiler will drop to low fire Inside of this 5 F range it will step modulate to buffer out an application where the boiler flow may dip jus...

Страница 23: ...allows the user to select Fahrenheit or Celsius MODBUS ADDRESS configuration allows the user to set the Modbus device identification Each ENVI control defaults to Modbus address 1 In applications with...

Страница 24: ...the MASTER position is away from the blue transformer while the MEMBER position is towards the blue transformer The orientation of the board may vary from the picture shown CAUTION Setting more than...

Страница 25: ...1 8 4 5 2 Header Mode HDR Setpt Control See Below 1 8 4 6 3 Header Mode HDR Analog Setpt See Below 1 8 4 7 4 Hyst Start Blr See Below 1 8 4 8 1 0 36 F SVC2 Hyst Stop Blr See Below 1 8 4 8 2 0 36 F SVC...

Страница 26: ...ault Setting In this mode the boilers modulate in parallel based on a signal from the master boiler This satisfies the load with the necessary number of boilers firing at the lowest fire rate possible...

Страница 27: ...accessory choices for different applications is shown in section 1 0 on page 3 In this mode the temperature is maintained at the location of the header sensor based on a reset schedule that is determi...

Страница 28: ...r This is the differential below header setpoint at which the master control will initiate the WAIT BOILER SWITCH ON timer to request the next member boiler to run When the HEADER TEMPERATURE drops be...

Страница 29: ...l wait for the last started boiler to achieve before switching on the next boiler in the cascade system Set to 100 to deactivate 1 8 4 7 6 Wait blr sw off Wait boiler switch off This parameter is the...

Страница 30: ...hange in the controlled variable required to drive the loop output from 0 to 100 For example With the proportional band left at the default setting of 20 and a header setpoint of 140 With the Derivati...

Страница 31: ...ases the action towards setpoint Integral rate continues to adjust the control output in accordance with both the size of the deviation from setpoint and the time it lasts to bring the process to setp...

Страница 32: ...ber boilers each member boiler control monitors its own supply temperature to detect if a low load condition exists This and additional low load settings are described in the Cascade Settings section...

Страница 33: ...ad condition can be set inactive see note 3 4 0 255 Sec SVC2 Load detct dlt When supply temperature is above the header setpoint plus this setting the loload condition is set active 0 99 F SVC2 Csc Mi...

Страница 34: ...p Restriction 1 Alarm Condition When a boiler is requested for cascade operation it must be free from alarms If the requested boiler is in an alarm state the master will attempt to request another boi...

Страница 35: ...122 F HYST MIN RET T 9 F RET T MAX PWR 113 F RET T MIN PWR 127 F PREPUMP PERIOD 30 Sec 1 8 5 1 Master Setup The master boiler must be equipped with certain hardware to allow it to control the cascade...

Страница 36: ...boiler will be disabled When the timer reaches 0 00 and a boiler is disabled the timer immediately resets and resumes counting down This timer pauses when the header temperature is between the HYST S...

Страница 37: ...master boiler will begin the QUIC START TIME timer which will bypass the WAIT BLR SW ON timer Once QUIC START TIME timer expires and the temperature condition is still true a boiler will be requested...

Страница 38: ...LOW allows the service technician to hold the boiler in high or low fire for ver 1043 20 40 60 and 80 selections are included during firing operation so that the combustion adjustment can be performed...

Страница 39: ...hat text is present Replace display board 3 Turn S4 switch to the on position which is on the main board Display continuously shows CONNECT INIT Incorrect communication between control boards Check co...

Страница 40: ...ains are reversed E19 E2PROM READ ERROR 0 Problems from reading from or writing to E2prom E20 FLAME ERROR 2 74 False flame detected E21 LOW FLOW ILK 73 Low flow or interlock error E22 WD 50HZ ERROR 45...

Страница 41: ...A19 FLAME OUT TOO LATE ERROR 20 Flame still present 10 sec after closing the gas valve A20 FLAME ERROR I 21 Flame detected just before gas valve opened A30 HIGH GAS PRESSURE ERROR 32 Gas pressure is...

Страница 42: ...ON DEMAND QUIC STOP TIME DHW Parameters DHW MODE LOLOAD WAITING DHW TYPE START ROTATION DHW SETPOINT NO BLR ON WAIT TANK SET ANTI WINDUP ON DIFFERENT LEAD BOILER OFF DIFFERENT CASCADE SETTINGS MAX SU...

Страница 43: ...r RS485 two wire MODBUS REGISTER MAP Address Byte Type Parameter Name Formula Data 0 HIGH State See State Table 0 LOW Supply Temperature Normal Temperature 2 HIGH Return Temperature Normal Temperature...

Страница 44: ...d the holding register addressing range starts either at 0x0000 or at 0x0001 If your MODBUS software starts at 0x0000 you can use the holding register addresses shown in the tables above If your MODBU...

Страница 45: ...0x0C PUMP_CH_0 Post pumping for CH 13 0x0D PUMP_CH_1 Pumping for CH 14 0x0E PUMP_HW_0 Post pumping for DHW 15 0x0F PUMP_HW_1 Pumping for DHW 16 0x10 ALARM_1 Error handling locking 17 0x11 ERROR_CHECK...

Страница 46: ...MODBUS RTU Supported MODBUS Commands Read Holding Register 0x03 Write Single Holding Register 0x06 Baud rate 9600 bps Data Length 8 Parity None Stop Bits 1 Register Request 1 Physical Layer RS485 two...

Страница 47: ...on there are several procedures which require integer division These particular operations are indicated by Integer and two examples of standard division vs integer division are shown below Standard D...

Страница 48: ...08 IGNIT_1 Ignition with gas valve open 9 0x09 BURN_0 Burning 10 0x0A POST_PURGE_0 Post purging 11 0x0B POST_PURGE_1 Post purging 12 0x0C PUMP_CH_0 Post pumping for CH 13 0x0D PUMP_CH_1 Pumping for CH...

Страница 49: ...ader Temperature 40006 Firing Rate 40007 Flue Gas Temperature 40008 HX Temperature 40009 Outside Temperature 256 255 100 Integer 256 2 32 F 1 8 10 C Integer 256 2 32 F 1 8 10 C Integer 256 2 32 F 1 8...

Страница 50: ...W Setpoint 40013 Boiler Operation Decimal Hex Description 0 0x00 Boiler OFF Pump OFF 1 0x01 Boiler ON Pump ON 2 0x02 Boiler OFF Pump ON 3 0x03 Boiler ON Pump ON ON indicates pump is on constantly 4001...

Страница 51: ...Night Setback 40020 Error Code Decimal Hex 01BD BD71 49A7 6999 79F2 1 0x01 IGNITION FAILURE 4 0x04 MAX DT EXCEEDED 5 0x05 INT ERR GAS VLV RLY 6 0x06 INT ERR SAFETY RLY 7 0x07 RAPID RISE OUT TEMP Cont...

Страница 52: ...0x2B N A NO GROUND 60 HZ ERR 44 0x2C NO GROUND 60 HZ ERR LINE NEUTRAL REV 45 0x2D LINE NEUTRAL REV LINE FREQUENCY ERR 46 0x2E LINE FREQUENCY ERR FAULTY GROUND 47 0x2F FAULTY GROUND INTERNAL ERROR 47 4...

Страница 53: ...oll to Code and press ENTER 40021 Analog In 40022 Analog Out 40023 Ignitions 40025 Burner High Hours Hours spent between 75 and 100 firing rate 40027 Burner Medium Hours Hours spent between 45 and 75...

Страница 54: ...mperature 40035 ET DHW Temperature 40036 ET Flue Gas Temperature 40037 ET HX Temperature 40038 ET Outside Temperature 256 2 32 F 1 8 10 C Integer 256 2 32 F 1 8 40 C Integer 256 2 32 F 1 8 10 C Intege...

Страница 55: ...the error Bit 6 indicates if the boiler was operating in DHW mode at the time of the error Bit 7 indicates if the boiler was operating in CH mode at the time of the error 40040 ET Month 40041 ET Day...

Страница 56: ...e decimal value to be written is 35840 184 36024 Refer to the M 104 MODBUS Calculator xls spreadsheet to help with these calculations MODBUS WRITE ONLY REGISTER MAP 40011 CH Setpoint DHW Setpoint 4001...

Страница 57: ...Temperature Outdoor Air Shutdown Temperature 40018 Outdoor Air Shutdown Temperature Night Setback Integer 10 32 1 8 512 Integer 40 32 1 8 2 OA Shutdown Temperature F Max OA Temperature F Integer 40 32...

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