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WORKSHEET

HeatNet Control V3 3.x

Page 137

Worksheet

SETUP MENU

BOILERS

# of BOILERS

LEAD STAGE

HEAT BAND

SETPOINTS

SYSTEM/LOCAL SETPOINT

OPERATE LIMIT

OP LIM BAND

SETPOINT SOURCE

OUTDOOR AIR RESET

OA RESET

WARM WEATHER SD

WWS SETPOINT

SET OA SETPOINTS

WATER TEMP

HIGH OA TEMP

WATER TEMP

LOW OA TEMP

PUMP OPTIONS

SYSTEM PUMP

POST PURGE TIME

PUMP ROTATION

ROTATION:

SYSTEM PUMPS:

ROTATE TIME:

MORE MENUS

ZERO RUNTIME PUMP

PUMP1 TIME

PUMP2 TIME

ALWAYS ENABLED

SUMMER PUMP JOG

OVR ENAB IN WWS

LOCAL PUMP

DELTA TEMP ENAB

DELTA TEMP

POST PRGE TIME

ALWAYS ENABLED

Содержание HEATNET KN Series

Страница 1: ...methods given in these instructions Failure to do so can result in severe personal injury death or substantial property damage Do not use the boiler during construction Construction dust and particul...

Страница 2: ...RELATED TO THE INFORMATION INCLUDING BUT NOT LIMITED TO ITS CONDITION QUALITY PERFORMANCE MERCHANTABILITY OR FITNESS FOR PURPOSE http www knseries com The Advanced Thermal Hydronics name and logo Mes...

Страница 3: ...CONTROL INPUT 2 STAGE CONTROL T1 T2 33 HEATING CONTROL INPUT 3 4 20MA CONTROL 33 HEATING CONTROL INPUT 4 AA HIGH FIRE 34 HEATING CONTROL INPUT 5 MODBUS COMMUNICATIONS 34 Domestic Hot Water Methods 35...

Страница 4: ...LSAFE REQUIREMENTS 76 Water Flow Options 77 HeatNet Online 79 Wiring Connections 81 Home Screen Navigation 92 Home Screen 93 Home Screen Messages 94 HEATING MODE MESSAGES 94 SETPOINT SOURCE MESSAGES 9...

Страница 5: ...layed in the Home Screen While performing this task the control also monitors dedicated external limits in a limit string and provides an orderly shutdown and fault indication in the event of a trippe...

Страница 6: ...he BTUs that will be introduced by the newly added boiler This adjustment occurs when the newly added MEMBER boiler enters its ON CALL state default setting This can be changed to PILOT when the new b...

Страница 7: ...eceiving inputs from an external control system When using the H Net network cable in a MASTER MEMBER system the system setpoint is sent from the MASTER as a digital signal along with the modulation v...

Страница 8: ...s 6 Support for 2 display types Vacuum Florescent and Color LCD touchscreen using the same 20 pin ribbon cable LCD display provides the HeatNet On Line interface 7 System Return sensor input 8 Enhance...

Страница 9: ...and MIXED are optional 22 Programmable password protection to secure the programmable settings 23 Remote 4 20mA setpoint control using a mapped setpoint range to the 4 20mA control signal 24 Freeze P...

Страница 10: ...water to decrease energy consumption and increases the overall efficiency in excess of 95 Figure 2 Secondary HX Pump Relay R20 When a Heat Demand is generated in addition to the System pump and Local...

Страница 11: ...secondary Heat Exchanger pump is operating Figure 4 Displays GPM at Local Water Flow Prove Icon The KN Series Plus boilers come equipped with a flow sensor that sends flow information to the HeatNet...

Страница 12: ...ype menu and the defaults are loaded When Glycol is added to a system the flow characteristics of the water are affected so it is important to enter the correct Glycol Mix value If the system is using...

Страница 13: ...tes the boiler will retry to start the pumps to achieve flow and start the boiler If there are other boilers on the network the Master will attempt to start one of them If the boiler is running it wil...

Страница 14: ...larm DHW Pump v2 x 8A 250 VAC resistive K8 on J4 2 6 for Base Loading version 2 x Control AC Interlocks 24 VAC 120 VAC input Control Inputs AA Heat Demand 4 20mA Enable OA override T1 T2 dry contact i...

Страница 15: ...sor 14 00152 X 2 CP PO 4 4 probe with dual sensor 14 00153 X 2 CP PO 6 6 probe with dual sensor 02 4280 ACI 10k CP O Outside Air Sensor with Housing 1k Platinum Stack sensor 42 9554 Installation Opera...

Страница 16: ...E TRUE or MIXED In our example we will use the RUNTIME TRUE rotation since it is the default The MASTER now checks all of the runtimes to determine which boiler has the least runtime based on the MIN...

Страница 17: ...X clamp will also be in effect for the ADD BOILER DELAY time This is to minimize thermal shock to the boiler Once the header water temperature is in the heating band only the modulation rate is used t...

Страница 18: ...r RET Temp the Priority 2 set of boilers will fire first next based on runtime This has the effect of flipping the Priority of the sets Stopping Boilers When a boiler is to be stopped water temp is ab...

Страница 19: ...hen use 3 larger boilers and set them to Priority 2 Using these Priority settings with the conditions menu the small boilers can run first during the shoulder months Spring and Fall and the larger boi...

Страница 20: ...ths when maximum heating is required Above this setpoint smaller condensing boilers should be brought on first to run the system as efficiently as possible 2 Maximum heating is required START PRIORITY...

Страница 21: ...rs first This is also true when using the OA T setting to start the Priority 1boiler set when the OA T is above the start setpoint To use temperatures as start and stop conditions the system design te...

Страница 22: ...nput is selected first Next the MOD MAX value of this Priority 1 boiler needs to be greater than Mod MAX Priority 1 s Min Input Priority 2 s Min Input Max Input of the Priority 1 boiler The reason for...

Страница 23: ...198M 330M 726M and operate at higher combustion efficiencies 33 is roughly between the top two lines on the Typical Efficiency of Condensing Boilers chart Figure 11 Boiler System Response 1 2 KN2s 3 K...

Страница 24: ...selection charts and the MOD MAX value so that boilers are brought on and fired in their respective efficiency curve while maintaining continuity in BTUs Since selecting the Priority 1 boiler is integ...

Страница 25: ...50 333 416 500 583 Mod Max 80 400 600 800 1 1 2M 1 4M Mod Max 70 350 525 700 875 1 1M 1 2M Mod Max 60 300 450 600 750 900 1 1M Mod Max 50 250 375 500 625 750 875M KN Boiler Btu Chart MBH KN2 KN4 KN6 K...

Страница 26: ...t SETTINGS HEAT EXCHANGER SEND RETURN SENSOR to which of its return temperatures it would send to all boilers These include the Local Return temperature or the System Return temperature The MEMBER s m...

Страница 27: ...ture by setting 1 SETTINGS BOILER OPTION to BASE LOAD This setting uses the OPTION Relay K8 J4 pins 2 6 as control for a Base Load Boiler 2 The SETTINGS BASE LOADING BOILERS to 1 Currently allows 1 ba...

Страница 28: ...hen the 3 2 million BTU boilers are running 95 and the Base Load boiler is called on At this point there is a need for approximately 6 million BTUs The 3 smaller boilers will then modulate down to low...

Страница 29: ...First ensure that the SETTINGS BOILER TYPE OPTION is set to BASE LOAD The Base Load Relay K8 will not be enabled used unless this is selected 2 Now The SETTINGS BASE LOADING BOILERS must be set to 1 3...

Страница 30: ...will open to disable the boiler when the OUTSIDE AIR read from the Outside Air Temperature sensor if equipped rises above this value SETTINGS BASE LOADING STOP WHEN OUTSIDE AIR IS ABOVE If the OUTSID...

Страница 31: ...4 The fourth method turns the boiler ON and OFF 100 modulation using the AA terminal Heating Control Method 5 The fifth method uses an RS485 digital communications cable with the MODBUS protocol The b...

Страница 32: ...tem supply header sensor on the H Net network can command the boiler fire rate of all MEMBER boilers The MASTER can call as many boilers as are available boilers are auto detected over the H Net cable...

Страница 33: ...sing the inputs T1 and T2 inputs Its intended use is with an external stage controller with no analog or modulation outputs 1 Closing only one of these contacts tells the boiler to operate at MINIMUM...

Страница 34: ...o needs to be loaded periodically to allow the H Net system to fallback to Method 1 in the event communications is lost from the Building Management System BMS This feature can be turned off in SETTIN...

Страница 35: ...e AUTO will handle normal heating only applications It may also be used when individual boilers have tanks connected and are controlled with the DHW BOILER set to LOCAL DHW is for DHW applications wit...

Страница 36: ...atNet HeatNet Local Pump HeatNet Make Up Make Up DHW METHOD 1 DHW Heating ONLY using a DHW MASTER Multiple Non Condensing Boilers A DHW Setpoint is maintained in the DHW tank based on the MASTER s DHW...

Страница 37: ...ngs HeatNet Address Combustion Air Damper 2 Off Inputs Local Remote JPS1 Jumper must be cut to service DHW Remote Outputs Local Pump On When Boiler Running MEMBER 3 Settings HeatNet Address Combustion...

Страница 38: ...Connect a 10k thermistor from the DHW tank s sensor well to J10B terminals on the DHW MASTER or stand alone boiler Wire a pump or valve from the Local pump of each DHW boiler A DHW call is when the DH...

Страница 39: ...as stopped firing and the post purge time has expired 7 Now in order to be a MASTER boiler it must have a Header sensor In method 1 DHW Only we will employ the DHW sensor J10 A 9 10 in this system ins...

Страница 40: ...h valves In this method the MASTER simultaneously controls both space heating and DHW heating The MASTER is piped to only service space heating and both MEMBERs are piped to service space heating and...

Страница 41: ...ating Or DHW Failsafe Space Heating W Valves Settings HeatNet Address DHW Boiler Mode DHW Local Pump Off Combustion Air Damper HeatNet Failsafe 2 Combination No Off On Inputs Local Remote JPS1 Jumper...

Страница 42: ...th pumps In this method the MASTER simultaneously controls both space heating and DHW heating The MASTER is piped to only service space heating and both MEMBERs are piped to service space heating and...

Страница 43: ...W Failsafe Space Heating W Pumps Settings HeatNet Address DHW Boiler Mode DHW Local Pump Off Combustion Air Damper HeatNet Failsafe 2 Combination Yes Off On Inputs Local Remote JPS1 Jumper must be cut...

Страница 44: ...nsor is used the boiler will modulate to maintain tank temperature The DHW Call always has Priority over space heating A dual 10k sensor is available that can be wired from one tank to two boilers The...

Страница 45: ...it off Use this in conjunction with the LOCAL PUMP OFF and the LOCAL DELAY settings DHW has Priority 12 Next is the LOCAL PUMP OFF menu When a DHW heating cycle begins what to do with the local pump...

Страница 46: ...Up Make Up DHW METHOD 3 DHW Heating ONLY using a Header sensor input Multiple Boilers Reverse Return In this method a Heating Setpoint is maintained at the MASTER s System Header Sensor located in the...

Страница 47: ...nputs Local Remote Header Sensor JPS1 Jumper must be cut to service DHW Local Yes Tank Outputs Local Pump On When Boiler Running MEMBER 2 Settings HeatNet Address Combustion Air Damper 2 Off Inputs Lo...

Страница 48: ...which boilers are staged ON and then OFF is controlled by the SETTINGS SETPOINTS HEAT BAND differential This can be understood by referring to the INTRODUCTION section on the MASTER in the beginning o...

Страница 49: ...the MASTER s Heat Demand input enables space heating by energizing the system pump and maintaining the Heating Setpoint at the MASTER s System Header Sensor When the Aquastat located in the DHW tank...

Страница 50: ...Return JPS1 Jumper must be cut to service DHW Local Tank Aquastat Yes Optional Outputs System Pump On Local Pump On DHW Pump On When Boiler Enabled When Boiler Running DHW Call MEMBER 2 Settings Heat...

Страница 51: ...ot used 6 PUMP PRIORITY Setting this value to YES will turn OFF the system pump when the DHW setpoint override mode is active Setting this value to NO leaves the system pump on This active period incl...

Страница 52: ...Header Sensor Local Pump System Pump System Supply System Return DHW METHOD 4b Space Heating with DHW Override of Setpoint on MASTER using a DHW Sensor Primary Secondary Reverse Return In DHW METHOD 4...

Страница 53: ...tem Return DHW Sensor JPS1 Jumper must be cut Local Jumper Yes Optional Yes Tank to service DHW Outputs System Pump On Local Pump Valve On DHW Pump On When Boiler Enabled When Boiler Running DHW Call...

Страница 54: ...sired in the heating loop when a tank is calling for DHW heat 4 LOWER BAND This is not used 5 UPPER BAND This is not used 6 PUMP PRIORITY Setting this value to YES will turn OFF the system pump when t...

Страница 55: ...10K Type II Tank Sensor In DHW METHOD 5a Local DHW Tank Heating Override the MASTER s Heat Demand input enables space heating by energizing the system pump and maintaining the Heating Setpoint at the...

Страница 56: ...ing MEMBER 2 Settings HeatNet Address DHW Boiler Mode DHW Use Sensor DHW Local Pump Off Combustion Air Damper 2 Local Yes Yes Off Inputs Local Remote OR OVR DHW Sensor JPS1 Jumper must be cut to servi...

Страница 57: ...a DHW boiler The DHW pump valve will be enabled on the LOCAL DHW MEMBER whenever there is a DHW call for heat A DHW call for heat is when the DHW temperature is below the DHW SETPOINT LOWER BAND or wh...

Страница 58: ...heating cycle backwards compatibility Setting this value to YES will shut the local pump off during a DHW heating cycle but will keep the local pump on for the LOCAL DELAY 10s Programmable time before...

Страница 59: ...a Hybrid Sensor the MASTER s Heat Demand input enables space heating by energizing the system pump and maintaining the Heating Setpoint at the MASTER s System Header Sensor using the available MEMBERs...

Страница 60: ...BER 2 Settings HeatNet Address DHW Boiler Mode Combustion Air Damper 2 Local Off DHW Use Sensor Hybrid Sensor DHW Local Pump Off No Supply Yes Inputs Local Remote OR OVR JPS1 Jumper must be cut to ser...

Страница 61: ...anywhere needed to maintain that locations temperature This is an additional sensor that needs to be acquired A thermostat can be placed in a tank and connected to the OR OVR input On MEMBER boilers...

Страница 62: ...e used across the 4 20mA input but it still needs to supply the necessary current i e 20mA This resistor is located on the bottom side of the control board When a 4 02 mA signal is sensed the boiler w...

Страница 63: ...f the starting mA 4 10mA the boiler will start when the control current applied achieves this value of 4 10mA The boiler must drop 1mA below this to turn OFF in this example 4 00mA This hysteresis val...

Страница 64: ...flow proving switch is implemented using System Water Flow on J11A 1 2 If a flow switch is connected to the SYSTEM WTR FLOW interlock the HeatNet control will wait up to 10 seconds to prove flow If f...

Страница 65: ...itched by the difference between each pump s runtime The HeatNet control keeps a running record of each pump s runtime in hours If a pump is taken offline or replaced The runtimes can then be adjusted...

Страница 66: ...ll occur The Combustion Damper can be setup in the SETTINGS COMBUSTION AIR DAMPER menu Using the LINKED COMMON setting the MASTER boiler controls a system damper so in the event this damper fails to o...

Страница 67: ...used to bring the boiler system on to maintain the water setpoint at the LOCAL or SYSTEM SETPOINT value During WWS operation the System pump will not be enabled just the Local pump unless the SETTINGS...

Страница 68: ...e file is loaded at the factory in both locations This is to ensure that if a bad file is loaded by the user the factory loaded file can be re loaded to get the board functional again All updating of...

Страница 69: ...lected file will be hi lited and displayed in the File Name selection box If that is the correct file select OK The current version of display firmware will be displayed and the new version will be di...

Страница 70: ...Button The USB Drive tab is preselected do not change unless loading a saved file from memory Select the Select File Button The USB DISK should appear as a folder in the Drives Menu Select the USB Dis...

Страница 71: ...2 Load and Select Program On Next Reboot The firmware will be saved in memory and on the next reboot the file will be downloaded 3 Load Select and Program The firmware will be saved into memory loaded...

Страница 72: ...here the ribbon cable for the display plugs in If the control is power cycled in this condition the factory program will overwrite the existing running program If in the LOAD FIRMWARE menus STORAGE LO...

Страница 73: ...d the control will verify by a progress bar If an event destroys the control all settings are lost A servicing technician does not always know how the boiler was set up Having the settings saved on a...

Страница 74: ...is correct select the Save button The file will be saved to the thumb drive and return to screen 3 of 4 Remove the thumb drive and store it for later use Restoring the Settings To restore the setting...

Страница 75: ...y Every 10 minutes the damper relay will cycle and try to open the damper again If the H Net control closes the last interlock string connected to the ignition control and the ignition control never c...

Страница 76: ...ASTER controls the system pump then the Failsafe MEMBER boiler would need to control the system pump in parallel with the MASTER boiler Wire the System Pump contacts in parallel with the MASTER 2 If t...

Страница 77: ...lled for At this time the MASTER may not be able to achieve setpoint due to the reduced output with the running boiler s The MASTER will then call on more boilers to achieve setpoint but at the same t...

Страница 78: ...s this feature will be deactivated until a new boiler is written Ensure periodic updates of the flow register are done within 10 minute intervals e To check if HeatNet is in a BMS limited state read t...

Страница 79: ...vide daily status messages and fault alarm emails within minutes of trouble This provides a valuable tool for technicians on the road If the technician has a smart phone they can be notified through t...

Страница 80: ...oints can also be viewed in a manner other than a histogram as pictured below The date time picker can be used to mine the raw data stored on the HeatNet Online server Runtime graphs of each boiler en...

Страница 81: ...ring Connections Figure 49 Dip Switches and Wiring Wire Strip Length If the terminal blocks are of the screwless type the wire should be stripped to 42 or 10 67mm If the terminal blocks are of the scr...

Страница 82: ...able Switches DOWN Position Disable Switches UP position Switch shown disabled MEMBER Close to run Local setpoint Open for Master control MASTER Close to control all boilers and run at System setpoint...

Страница 83: ...83 Figure 51 Heating Methods 2 and 4 AA High Fire and High Low MASTER or MEMBER boiler Heating Mode 2 Stage Control Inputs T1 or T2 Closed Lowfire T1 T2 closed Highfire T1 T2 Heating Mode 4 High Fire...

Страница 84: ...WIRING CONNECTIONS HeatNet Control V3 3 x Page 84 Figure 52 Heating Method 3 4 20 mA 0 10 VDC...

Страница 85: ...essor modulemay be damaged The pin headers arelocated on thecontrol U shaped that the Protocessor bridge module plugs in directly Align the sockets on the Protocessor with the pin headers on thecontro...

Страница 86: ...at the minimum rate while in Calibrate This functions exactly as the T1 input Calibrate Allows adjustment of the Minimum Fire Maximum Fire and Pilot Ignition settings Combustion proving switch from Co...

Страница 87: ...re a well OPTIONAL Water Temperature Common System Supply Header REQUIRED Water Temperature OUT supply of Boiler REQUIRED Water Temperature INLET return of Boiler IF CONNECTED BOILER MASTER OPTIONAL O...

Страница 88: ...High Limit Heat Demand HEADER SENSOR Determines Master Boiler 4 RETURN SENSOR 3 SUPPLY SENSOR 2 LOCAL PUMP ENABLE 8 FLOW PROVE 10 SYSTEM PUMP ENABLE 14 FLOW PROVE 9 OUTDOOR SENSOR North Away From Exh...

Страница 89: ...control signal must drop below 4 01 mA to stop Boiler MAX OUTPUT After Ignition 0 100 Control Signal to MAX Output Boiler Off Percent of Boilers INPUT 0ma Display input of control when running A cont...

Страница 90: ...PER 24 VAC Transformer DAMPER Prove Switch DAMPER Enable 24 VAC Mains MASTER BOILER MEMBER BOILER 1 Connection if Member boiler is running as Failsafe MEMBER BOILER 2 Connect to 24 VAC Return on each...

Страница 91: ...mmon system pump wiring System Pump Contactor System Pump Voltage Feed System Pump System Pump Voltage Return 120VAC Ph2 Ph3 120 Return 120 VAC Return DPST Relay System Flow Prove Switch 120VAC Add ad...

Страница 92: ...lock Ignition and Binary Inputs Analog Motor Tach and Misc Outdoor Reset if Active Boiler Runtimes Home Screen This diagram depicts the Home screen and subsequent screens when the right arrow button i...

Страница 93: ...et Control V3 3 x Page 93 Home Screen The Home screen is used to show the main temperatures in graphs along with some ancillary functions The Home Button in the upper left corner when pressed will alw...

Страница 94: ...at or sensor is being used to fireboiler in a DHW mode Failsafe Boiler in Failsafe mode No other Heating Demand may be present HeatNet Call for Space Heat is controlled by HeatNet HeatNet DHW Call for...

Страница 95: ...r runs away excessive speed this message will be displayed With this event the HeatNet control will lockout the boiler and the boiler will require a manual reset to restart Operation of the blower abo...

Страница 96: ...heat exchanger The heat exchanger has a status LED to provide operational feedback Heating The system is in a heating mode but none of the boilers are firing High Low T limited Algorithm that looks at...

Страница 97: ...t Every 10 seconds the circulator pump relay will cycle ON for 10 seconds and then OFF for 10 seconds to try and establish flow No System Flow The SYSTEM WATER FLOW interlock is open J11A 1 J11A 2 Onc...

Страница 98: ...rating Limit When the supply water temperature exceeds the top of the Operating Limit Band and the Operating Limit This is the Yellow Band portion of the temperature bar on the Home Screen Open EXT OP...

Страница 99: ...un to start and is waiting for the handshaking events to begin with the ignition control and the HeatNet control Warm Weather Shutdown in effect The WWS temperature has been exceeded The boiler system...

Страница 100: ...mple shows a 10 minute delay for the first boiler and increases by 3 minutes for each additional boiler When the Header temperature is above the band Yellow the HEAT STOP TIMER Shed Boiler Delay is us...

Страница 101: ...the operation of the boiler See the Settings section To the right of the Settings button is the Log File button Pressing this button will allow viewing of the log file See Log Entry section The Data...

Страница 102: ...turn green Adjust the Minimum value to the desired setting using the arrow keys The Minimum setting is clamped to its lowest rated setting and cannot be adjusted below this Press the check key once yo...

Страница 103: ...sing the arrow keys The top line left corner indicates any condition that caused the event This may be a fault such as to indicate a sensor that has failed or general event as denoted by Event The top...

Страница 104: ...3 3 x Page 104 Control Settings Menu To Enter the Settings menus the first boiler button must be selected The button is highlighted by the red box Next press the Settings box as also illustrated by th...

Страница 105: ...on A 0 disables the Lead Boiler function Firing Mode determines lead BOILER GRAPHIC M M 16 This Box displays the boilers auto detected by H Net While M is the MASTER boiler the numbers are the H Net a...

Страница 106: ...which boiler shuts down operation is below this If boiler is running using either OA RESET or WWS and the OR OVR input is closed the OA RESET slope is overridden and runs at local setpoint until OR O...

Страница 107: ...MP1 PUMP2 This menu allows the clearing of a pump s runtime counter Discretion is advised in clearing only one pump s hours after replacement and then using ROTATION set to PUMP HRS This would cause t...

Страница 108: ...PUMP VALVE REMAINS ON OFF ON OFF ON The MASTER boiler will keep its pump valve on when no boilers are running Prevents deadheading the system flow SETBACK TABS 1 4 1 1 4 Four setbacks TABBED to adjus...

Страница 109: ...refer to the common damper wiring diagram PROOF TIME 2 00 0 4min This is the proving time in minutes for the combustion air damper prove switch It is sensed at J12B Pin 7 If the damper faults a retry...

Страница 110: ...ps protect the heat exchanger from damage due to excessive delta T s If this MASTER boiler is running SEND RETURN RETURN RETURN SYSTEM RETURN This setting is used by the MASTER boiler to select which...

Страница 111: ...t input The boiler could be configured to run as a space heating boiler that is controlled by a MASTER It would also monitor a tank or DHW call and disconnect from the MASTER to provide local DHW heat...

Страница 112: ...l a space heating boiler that is running when none are available to perform DHW heating When this happens the boiler will not shut down but keep running during the change from space heating to DHW Hot...

Страница 113: ...are used this value can be set to a few seconds PURGE TO TANK TANK SPACE TANK will keep the DHW pump valve enabled for the DHW POST PURGE time thus purging some of the boiler s heat into the tank SPAC...

Страница 114: ...ontrol is to be used as a space heating control a combination DHW space heating control or just to perform DHW Heating When set to AUTO the boiler uses one PID control to provide space heating When se...

Страница 115: ...4 1 33 3 1 In mixed boiler size configurations more than 2 boilers in a system or when bumps in the temperature occur as boilers are added and subtracted this value may need adjustment The adjustments...

Страница 116: ...he firing rotation is based on runtime this value represents the interval in hours of runtime before rotation occurs Boiler to Boiler MINIMUM OFF TIME 0 m 0 10 min This is the time in minutes that the...

Страница 117: ...n set this condition will stop the Base Load boiler Always First Return is Below Outside Air is Above Modulation is Below Sync MODULATION IS BELOW 20 20 100 20 20 100 The base load relay K8 will open...

Страница 118: ...e boiler responds to its HEAT DEMAND inputs in the Priority that is outlined in the Control Methods section If the Priority is set to HIGHEST the 4 20mA input responds at the highest Priority level sa...

Страница 119: ...TS CH2 CH2 V CH2 mA BMS This setting determines where the flow values are originating If set to Volts 2 then a Flow meter is providing a 0 10V signal on J10B 4 20mA 2 Ensure that S6 switch 2 is UP for...

Страница 120: ...es the minimum firing percentage 5 1 Min 20 4 1 Min 25 3 1 Min 33 The boiler must be set up for operation at this Turndown rate using the Calibrate settings This TURNDOWN setting only controls the dis...

Страница 121: ...to start the blower at a low rpm If the low speed start time is too low the Ametek blower may not start and lock out with its current limit This may result in the need for the boiler to be recycled If...

Страница 122: ...seful when the settings have been incorrectly changed by an unknown source a factory reset or a firmware update is performed HeatNet Online is an Internet over Ethernet connection between a HeatNet co...

Страница 123: ...4 LOAD DISPLAY FIRMWARE BOX The Display firmware is independent of the HeatNet control s firmware A separate Display firmware file is required in order to update the display This needs to be placed on...

Страница 124: ...http www rbiwaterheaters com website periodically for firmware updates The IOM Manual button when pressed loads the Display firmware release PDF of the Boiler s IOM The HeatNet Manual button when pres...

Страница 125: ...BMS building management system the operating setpoint The setpoint countdown timer should be loaded with a timeout value in seconds prior to writing the system setpoint When the timer reaches zero the...

Страница 126: ...bit signed 1 0 DHW Setpoint 40 200 F 40019 BMSGPMRate 16 bit unsigned 1 0 GPM rate to be loaded by BMS for calculating how many boilers can run based on flow 0 1500 GPM 40020 BMSLimitBoilers 16 bit un...

Страница 127: ...Status2 30024 Boiler05Status1 30025 Boiler05Status2 30026 Boiler06Status1 30027 Boiler06Status2 30028 Boiler07Status1 30029 Boiler07Status2 30030 Boiler08Status1 30031 Boiler08Status2 30032 Boiler09St...

Страница 128: ...10RuntimeHigh16 30067 Boiler10RuntimeLow16 30068 Boiler11RuntimeHigh16 30069 Boiler11RuntimeLow16 30070 Boiler12RuntimeHigh16 30071 Boiler12RuntimeLow16 30072 Boiler13RuntimeHigh16 30073 Boiler13Runti...

Страница 129: ...emp 30110 Boiler15SupplyTemp 30111 Boiler16SupplyTemp 30112 Boiler01ReturnTemp 16 bit signed 0 01 Boiler 1 16 return temperature if available See BoilerStatus2 to determine if the sensor is present Bo...

Страница 130: ...30146 Boiler10CyclesHigh16 30147 Boiler10CyclesLow16 30148 Boiler11CyclesHigh16 30149 Boiler11CyclesLow16 30150 Boiler12CyclesHigh16 30151 Boiler12CyclesLow16 30152 Boiler13CyclesHigh16 30153 Boiler1...

Страница 131: ...oiler16DHWTemp 30224 Boiler01Modulation 16 bit signed The running display modulation This is typically the actual running modulation except under special circumstances when the boiler is running in a...

Страница 132: ...the BMS 0 1500 GPM 30266 SystemFlowLow16 30269 HeatingBoilersOn 8 bit unsigned The number of boilers currently running for heating 0 16 30270 DHWBoilersOn 8 bit unsigned The number of boilers currentl...

Страница 133: ...ch 0 closed 1 open 6 RESERVED FACTORY 7 Software Operator 0 off 1 on 8 Header Sensor not Detected 0 detected 1 not detected 9 Supply Sensor not Detected 0 detected 1 not detected 10 Return Sensor not...

Страница 134: ...MBER Error An Alarm or Failed condition has occurred on one or more of the MEMBER boilers 0 ok 1 error 5 Boiler Running Main Valve is open and Modulation Delay time has expired 0 off 1 running 6 Pump...

Страница 135: ...set Override 0 off 1 on 4 T1 0 off 1 on 5 T2 0 off 1 on 6 Obsolete 0 off 1 on 7 Obsolete 0 off 1 on 8 reserved for future use 9 reserved for future use 10 reserved for future use 11 reserved for futur...

Страница 136: ...DHW Boiler 1 This control board has been designated a DHW boiler by cutting the DHW jumper JPS1 0 no 1 yes DHW jumper cut 11 Operating Limit Clamp 1 Boiler input is being limited clamped due to a high...

Страница 137: ...OUTDOOR AIR RESET OA RESET WARM WEATHER SD WWS SETPOINT SET OA SETPOINTS WATER TEMP HIGH OA TEMP WATER TEMP LOW OA TEMP PUMP OPTIONS SYSTEM PUMP POST PURGE TIME PUMP ROTATION ROTATION SYSTEM PUMPS ROT...

Страница 138: ...Y TIME END DAY TIME OPTIONS TEMP SCALE KEY CLICK SKIP PASSWORD BRIGHTNESS LOG RUNTIME RUN HOURS DATA LOG ENTRY SIZE BOILER CYCLES AUX FUNCTIONS COMBUST AIR DAMPER TYPE IN USE INPUT PROOF TIME ALARM SI...

Страница 139: ...ME HOLDOFF TIME PUMP ALWAYS ON ADVANCED SETUP DISTRIBUTED CTRL CONTROL MASTER TYPE H NET ADDRESS MODBUS ADDRESS MODULAR BOILER SET SPACE HEATING ADD BOILER DELAY SHED BOILER DELAY MODULATE DELAY TIME...

Страница 140: ...AY TIME SENSORS SENSOR OUTDSIDE SUPPLY R E T U R N H E A D E R TYPE DHW 6 7 8 4 20mA INPUT ANALOG IN CHANNEL CHANNEL MODE 4mA SETPOINT 20mA SETPOINT BOILER START PRIORITY PASSWORD COMMUNICATIONS BAUD...

Страница 141: ...ge 141 OFF BOILER BLOWR SYSTEM CONFIGURE INTERLKS INTRLK ASSIGNMENTS SYSTEM FLOW ON LOAD FIRMWARE Version OPTION BOILER TYPE PRODUCT CONDENSING BTU IN BLOWER MASS TURNDOWN ALTITUDE PID RATE CALIBRATIO...

Страница 142: ...130 410 75 167 1 479 20 4 97 072 80 176 1 255 15 5 72 951 85 185 1 070 10 14 55 326 90 194 915 4 5 23 43 326 95 203 786 6 0 32 32 650 100 212 678 6 5 41 25 391 105 221 587 6 10 50 19 899 110 230 510 6...

Страница 143: ...Page 143...

Страница 144: ...IN UNITED STATES 260 NORTH ELM ST WESTFIELD MA 01085 413 564 5515 FAX 413 568 9613 IN CANADA 7555 TRANMERE DRIVE MISSISSAUGA ONT L5S 1L4 905 670 5888 FAX 905 670 5782 www knseries com...

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