RBI HEATNET 3.0 Torus Series Manual Download Page 122

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MODBUS COMMUNICATIONS

HeatNet Control V3

Page 122

MODBUS Input Variables (Read Only)

Address

Name

Raw Data

Type

Scale

Description

Valid Values/Range

30126

Boiler15ReturnTemp

30127

Boiler16ReturnTemp

30128

Boiler01CyclesHigh16

16 bit unsigned

---

Boiler (1

– 16) Cycles High (Upper)

and Low (Lower) 16 bit counters. To

get the actual cycle count for any

given boiler (##), the high and low 16

bit counters must be combined

(concatenated) into a single 32 bit

counter as:

Boiler##CyclesHigh16:Boiler##Cycles

Low16

Example

Boiler01Cycles =

(Boiler01CyclesHigh16 * 65536) +

Boiler01CyclesLow16

Boiler01 = Master

Boiler02 = Member01

…

Boiler16 = Member15

– 4294967295

30129

Boiler01CyclesLow16

30130

Boiler02CyclesHigh16

30131

Boiler02CyclesLow16

30132

Boiler03CyclesHigh16

30133

Boiler03CyclesLow16

30134

Boiler04CyclesHigh16

30135

Boiler04CyclesLow16

30136

Boiler05CyclesHigh16

30137

Boiler05CyclesLow16

30138

Boiler06CyclesHigh16

30139

Boiler06CyclesLow16

30140

Boiler07CyclesHigh16

30141

Boiler07CyclesLow16

30142

Boiler08CyclesHigh16

30143

Boiler08CyclesLow16

30144

Boiler09CyclesHigh16

30145

Boiler09CyclesLow16

30146

Boiler10CyclesHigh16

30147

Boiler10CyclesLow16

30148

Boiler11CyclesHigh16

30149

Boiler11CyclesLow16

30150

Boiler12CyclesHigh16

30151

Boiler12CyclesLow16

30152

Boiler13CyclesHigh16

30153

Boiler13CyclesLow16

30154

Boiler14CyclesHigh16

30155

Boiler14CyclesLow16

30156

Boiler15CyclesHigh16

30157

Boiler15CyclesLow16

30158

Boiler16CyclesHigh16

30159

Boiler16CyclesLow16

30160

Boiler01Status4

16 bit unsigned

---

Boiler (1

– 16) status4 flags. These bits

indicate the state of various boiler statuses.

Boiler01 = Master or “Connected Boiler”

Boiler02 = Member01

…

Boiler16 = Member15

See the BoilerStatus4
Flags in Appendix A.

30161

Boiler02Status4

30162

Boiler03Status4

30163

Boiler04Status4

30164

Boiler05Status4

Summary of Contents for HEATNET 3.0 Torus Series

Page 1: ...pply Follow the instruction manual procedures to duct air to the boiler air intake If the boiler has been contaminated by operation with contaminated air follow the instruction manual guidelines to cl...

Page 2: ...TO THE INFORMATION INCLUDING BUT NOT LIMITED TO ITS CONDITION QUALITY PERFORMANCE MERCHANTABILITY OR FITNESS FOR PURPOSE http www rbiwaterheaters com The RBI name and logo Mestek name and logo Torus...

Page 3: ...TAGE CONTROL T1 T2 26 HEATING METHOD 3 4 20MA CONTROL 26 HEATING METHOD 4 AA INPUT 27 HEATING METHOD 5 MODBUS COMMUNICATIONS 27 Domestic Hot Water Methods 28 DHW METHOD 1 DHW HEATING ONLY USING A DHW...

Page 4: ...USB Features 67 Diagnostics 67 Blower Protection 68 Communications 68 Failsafe Modes 68 FAILSAFE REQUIREMENTS 68 Limited Flow Boiler Control Options 69 HeatNet Online 72 Wiring Connections 73 Home Scr...

Page 5: ...TABLE OF CONTENTS HeatNet Control V3 Page 5 MODBUS Communications 117 Worksheet 129 Type II Thermistor Resistance Temperature Table 134...

Page 6: ...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 tripped limit The monitored limits i...

Page 7: ...ible Member If a SYS DHW HEADER sensor is not connected to J10 a boiler always defaults to the role of Member The Member boiler can operate as part of a multi boiler system or as a stand alone unit In...

Page 8: ...d one for DHW heating Allows for simultaneous DHW Space heating 18 Added High Turndown configuration resistor 100 ohms This configuration resistor allows the boiler to be setup for high turndown opera...

Page 9: ...fire rates to compensate 26 Mixed boiler types in a system 27 Support for Domestic Hot Water DHW using a 10k Sensor or a dry contact input from a tank thermostat 28 Domestic Hot Water relay for use w...

Page 10: ...v2 x 8A 250 VAC resistive K8 on J4 2 6 for Base Loading AC Interlocks 24 VAC 120 VAC input Control Inputs AA Heat Demand 4 20mA Enable OA override T1 T2 dry contact inputs 4 20mA 0 10VDC Dimensions 9...

Page 11: ...turn Sensors 13 0104 ACI CP I 2 5 Sensor with well 14 0328 ACI X 2 CP PO 4 4 probe with dual sensor 14 0329 ACI X 2 CP PO 6 6 probe with dual sensor 14 0319 ACI 10k CP O Outside Air Sensor with Housin...

Page 12: ...e default The Master now checks all of the runtimes to determine which boiler has the least runtime based on the MIN RUNTIME setting in SETTINGS FIRING MODE The MIN RUNTIME setting is the minimum runt...

Page 13: ...e top of the heating band When the header water temperature first exceeds the top of the heating band the boilers are again checked for the one with the most runtime The selected boiler will turn off...

Page 14: ...Master boiler then looks at which boilers are returning Priority firing status set on a boiler in SETTINGS FIRING MODE MIXED BOILERS LAST example If the Stop condition for Priority 1 is met the Master...

Page 15: ...SETUP OPERATION HeatNet Control V3 Page 15 Mixed Boilers Example Condensing Non Condensing...

Page 16: ...re is below 140F and condensing occurs The Master s system return water would need to be used 3 The Outside Air Temperature is above a setpoint determined by the system configuration This setpoint ens...

Page 17: ...economy in the system Also non condensing boilers may be set to go offline when a return temperature is too low using the SETUP AUX FUNCTIONS HET EXCHANGER TEMP DISAB menu Base load boilers can also...

Page 18: ...1 Priority 2 Torus 5 1 8 0 26 1 45 1500 1500 2500 2500 9 0 30 1 50 1500 1500 3000 3000 12 0 30 1 50 2000 2000 4000 4000 With the mixed boiler system a lower minimum fire rate BTU can be delivered to...

Page 19: ...ilers become a large number a Priority 1 boiler with a higher Min Input may need to be selected While considering the MOD MAX value the lower the MOD MAX the greater the combustion efficiency since it...

Page 20: ...00 500 800 MBTUs with room of 25 MBTUs and prevent the short cycle condition Boiler System Response 2 1 Torus 1500 3 Torus 2500 50 Mod Max While a Torus 1500 running with a Torus 2500 is an acceptable...

Page 21: ...1 5000 5000 5000 Futera III Fusion Boiler Btu Chart MBH MB MW CB CW 500 750 1000 1250 1500 1750 2000 Max Input 500 750 1000 1250 1500 1750 2000 Min Input 4 1 125 188 250 312 375 437 500 Mod Max 80 40...

Page 22: ...o pump valve limiting flow continuously through the boiler If there is a pump valve limiting the flow through the boiler the SETUP AUX FUNCTIONS HEAT EXCHANGER TEMP DISAB SYS RET needs to be set Then...

Page 23: ...ng state Each system is different and adjustments to the Mod Max value can be adjusted to achieve the greatest efficiency The Boiler System Response 5 chart illustrates how each boiler in the example...

Page 24: ...th method turns the boiler ON and OFF 100 modulation using the AA terminal Heating Method 5 The fifth method uses an RS485 digital communications cable with the MODBUS protocol The boiler is controlle...

Page 25: ...common system 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...

Page 26: ...ges using the inputs T1 and T2 inputs Its intended use is with an external stage controller with no analog or modulation outputs Closing only one of these contacts tells the boiler to operate at MINIM...

Page 27: ...the event communications is lost from the Building Management System BMS This feature can be turned off in SETTINGS COMMUNICATIONS SETPOINT TIMER OFF If the setpoint timer feature is set to ON the SE...

Page 28: ...ged a power cycle is required The menu choices are AUTO will handle normal heating only applications It may also be used when individual boilers have tanks connected and are controlled with the DHW BO...

Page 29: ...Control V3 Page 29 HeatNet now incorporates an adjustable Add Boiler Delay Selecting the 3 dots opens the menu The example shows a 10 minute delay for the first boiler and increases by 3 minutes for...

Page 30: ...eatNet HeatNet Local Pump HeatNet 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 Sensor The sys...

Page 31: ...et 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 Air Damp...

Page 32: ...the DHW pump or the System pump normally open relay contact to control flow of the heating water into the tank s coil or system loop The System pump will always be enabled as long as the Heat Demand i...

Page 33: ...the DHW sensor The upper and lower differential temperatures will also be loaded 8 The SHARING item is set to OFF only boilers that are not firing will be checked for runtimes and fired 9 Set the LOC...

Page 34: ...s 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 DHW hea...

Page 35: ...r 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 must be...

Page 36: ...s 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 DHW hea...

Page 37: ...afe 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 to ser...

Page 38: ...r becomes active and not only runs to provide failsafe space heating but DHW heat as well The STATUS screen will display H NET LOST If a thermostat is used the boiler will run to Method 5A until the t...

Page 39: ...er If a space heating boiler is needed a DHW running boiler cannot be stolen for space heating Space heating has priority when DHW is trying to steal CYCLE The DHW algorithm can steal a space heating...

Page 40: ...boilers will cycle on off when they are called to perform DHW Heating LOCAL PUMP OFF This can be set on any boiler to determine how the local pump valve behaves when called to perform DHW heating PURG...

Page 41: ...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 DHW tank The M...

Page 42: ...ocal 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 Local Rem...

Page 43: ...lled by the SETTINGS SETPOINTS HEAT BAND differential This can be understood by referring to the INTRODUCTION section on the MASTER in the beginning of this manual This differential has the added effe...

Page 44: ...ster 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 calls f...

Page 45: ...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 HeatNet Addr...

Page 46: ...sed 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 includes...

Page 47: ...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 4b the M...

Page 48: ...rn 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 Member 2...

Page 49: ...he 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 the DHW set...

Page 50: ...a 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 th...

Page 51: ...ber 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 service DHW...

Page 52: ...re is a DHW call for heat A DHW call for heat is when the DHW temperature is below the DHW SETPOINT LOWER BAND or when the DHW temperature is below the DHW SETPOINT UPPER BAND and boilers are firing A...

Page 53: ...local pump off during a DHW heating cycle but will keep the local pump on for the LOCAL DELAY 10s time before shutting off This LOCAL DELAY time can be adjusted in the next menu item by pressing the d...

Page 54: ...brid 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 A M...

Page 55: ...ettings 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 service DH...

Page 56: ...nsor is needed DHW sensor will allow the placement 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 an...

Page 57: ...gh the Master boiler does not need to be running This is to ensure that the system pump and damper will be enabled for the system The System pump and Damper control are the main reasons to connect the...

Page 58: ...ow modulate to the load from 1 6 million BTUs 20 mod to another 8 million BTUs Example Base loading relay Not Preferred Example of having a larger Base Load boiler that is not of the modulating type I...

Page 59: ...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 OUTSIDE...

Page 60: ...to supply the necessary current i e 20mA This resistor is located on the bottom side of the control board When a 4 02mA signal is sensed the boiler will initiate a start sequence and fire the boiler...

Page 61: ...E ENABLE INPUT is closed the boiler will start and the setpoint will be set to 130F If a control current of 10mA is applied the boiler will track on a linear slope towards the 20mA SETPOINT settling a...

Page 62: ...prove the control changes to the first pump and attempts to prove flow This cycle will continue indefinitely until flow is established If flow is lost while running this process is also used in an att...

Page 63: ...ture sensor is required for this mode because the delta temperature SUPPLY RETURN measured is across the boiler In this mode the post purge time is also used After the delta temp has been met the post...

Page 64: ...the combustion air damper is open when it is placed in LOCAL This may be done using J12B terminal 7 on all boilers wired to the damper s prove switch Terminal 7 is the sense input and terminal 8 is 2...

Page 65: ...ACI 10K CP These sensors can be calibrated to the control by entering the sensor menu and placing a precision 10k resistor on an input Immersion sensors must have wells There is also a provision to u...

Page 66: ...xpired and then enters a fault condition The touchscreen displays a visual flow fault and the control will annunciate an audible fault After ten minutes if the demand is still present the boiler will...

Page 67: ...the control board not the front Panel This process takes much longer and requires a Personal Computer laptop to be taken to the boiler site Again follow the on screen prompts to download the program...

Page 68: ...r cycle just the blower The call for heat will then be allowed to start the boiler After 3 failed retry attempts the boiler will lock out Communications The H Net control communicates using the MODBUS...

Page 69: ...lers available to fire offline or faulted and there are no boilers in local override and there is a call for heat The J4 Base Load relay will close If a boiler becomes available and needs to fire the...

Page 70: ...ntervals h To check if HeatNet is in a flow limited state read the boiler status 4 register starting at address 30160 for the Master Boiler if Status 4 bit 12 is set it indicates that the HeatNet cont...

Page 71: ...will equal the lowest flow required for this boiler it is adjustable It should be equal to the lowest flow of the largest boiler in the system e Set the SETTINGS FLOW METER FULL SCALE value to the ful...

Page 72: ...ge HeatNet Online Alert WB1250 Fault High Limit May 17 2014 11 09AM WVHID99999 View Alert Data Once the user has logged in a selection screen for the building sites the user has registered will be dis...

Page 73: ...Wiring Connections 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 screw type...

Page 74: ...itches 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 Close...

Page 75: ...age 75 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 Close...

Page 76: ...g a 0 10 VDC signal multiply any references to current in the manual by 5 Example 5ma 5 2 5 VDC This Method allows direct modulation of the boiler based on a 4 20 mA control signal A control capable o...

Page 77: ...odulemay 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 thecontrol then...

Page 78: ...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 Combustio...

Page 79: ...ll 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 Outside...

Page 80: ...imit 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 Exhaust 1...

Page 81: ...he 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 co...

Page 82: ...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 Boiler...

Page 83: ...stem 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 additiona...

Page 84: ...gation This diagram depicts the Home screen and subsequent screens when the right arrow button is pressed Repeatedly pressing the right arrow button forms a ring of the different screens These screens...

Page 85: ...tNet Control V3 Page 85 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 alway...

Page 86: ...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 D...

Page 87: ...ng being improperly set to a VFD when an Ametek blower is present or an Ametek blower being set when a VFD is present BLOWER RPM HIGH Ametek Blower If the signal from the HeatNet control board to the...

Page 88: ...rom thermal shock stress When this is displayed firing rate is limited Ignition Control Alarm Occurs when the Ignition Control closes it alarm relay Input on J5 FLAME SAFE ALARM The ignition control a...

Page 89: ...for 10 seconds and then OFF for 10 seconds to try and establish flow No System Flow The SYSTEM WTR FLOW interlock is open J11A 1 J11A 2 Once the HeatNet series boiler receives a call for heat it clos...

Page 90: ...moves any chance of the gas valve receiving power The HeatNet series control remains powered to record and display the fault The interlock is located on J5 HIGH LIMIT Ensure power is present on the in...

Page 91: ...ate but can be awoken with a DHW call Once the outside a ir temperature falls below the WWS temperature normal space heating will restart Warning This message unlike a Fault still allows the boiler to...

Page 92: ...hen the Header temperature is above the band Yellow the HEAT STOP TIMER Shed Boiler Delay is used to stop shed boilers All boilers running are modulated to maintain Setpoint Boilers are not added or s...

Page 93: ...e operational settings of the boiler See Settings section Pressing any of the Member buttons will bring up a Member s informational screen Limited information is available for a Member from the Master...

Page 94: ...the display press the Adjust button under the Minimum setting The percentage value will turn green Adjust the Minimum value to the desired setting using the arrow keys The Minimum setting is clamped...

Page 95: ...g the arrow keys The top line in 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...

Page 96: ...V3 Page 96 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 the r...

Page 97: ...rs are the H Net address of each boiler from 2 16 LOCAL SETPT SYSTEM SETPOINT 160 F 40 195 F Local setpoint used to maintain temperature of SETPT SOURCE System Setpoint is used by the Master HEAT BAND...

Page 98: ...pires This time is measured against the actual time the system pump is enabled This would include a post purge time If ROTATION is set to PUMP HRS ROTATE TIME is used to switch pumps when the pump s t...

Page 99: ...AL PUMP VFD OFF ON OFF ON Outputs a 0 10VDC or 4 20mA signal from J4 pins 1 5 that is proportional to the fire rate of the boiler Connect to a VFD controlling a Local pump FLOW PROVE 10 Seconds 10 240...

Page 100: ...ry will occur every 10 minutes in attempt to open the damper When using J12B in a common damper configuration wiring is done beginning with the Master boiler J12B Pins 7 8 are connected to the prove s...

Page 101: ...the Master to run If a System Return sensor is available on the Master set this setting to SYS RET If only a Return sensor is available set to RETURN TEMPERATURE DISAB OFF SYSTEM RETURN RETURN OFF Thi...

Page 102: ...es allow configuring the LOCAL and DHW pumps SETPOINT 160 F 40 200 F Setpoint that the boiler system will target when a call for DHW LOWER BAND 5 F 1 30 F DHW SETPOINT LOWER DHW DIFF if the DHW water...

Page 103: ...is that these timers work in parallel but this timer only counts down when flow is present It stops counting down when flow stops but will not cause a flow fault until its time expires The Local Pump...

Page 104: ...to Lockout the boiler will no longer perform DHW Heating A manual reset or toggling the OR OVR input will reset the Lockout If a time is set the boiler will wait this time before it can perform DHW he...

Page 105: ...tem selects how they are to be used The MASTER TYPE setting is used to determine if the MASTER control is to be used as a space heating control a combination DHW space heating control or just to perfo...

Page 106: ...modulate up to 100 When this value is limiting the input an is displayed and the INPUT CLAMP message is displayed in the STATUS screen This value is derived by multiplying twice the minimum fire rate...

Page 107: ...ocal setting on each boiler FIRING MODE RUNTIME LOFO Boilers are fired Last On First Off starting with Lead Boiler FOFO Boilers are fired First On First Off RUNTIME Boilers are fired based on the runt...

Page 108: ...r is supported using relay K8 START WHEN MODULATION IS ABOVE MODULATION IS ABOVE OUTSIDE AIR IS BELOW RETURN IS ABOVE Used in Conjunction with DELAY TIME MODULATION IS ABOVE 95 0 100 The base load rel...

Page 109: ...The input may be changed from 4 20mA to 0 10VDC The dip switch S6 also needs to be set correctly in conjunction with this setting START SETPOINT 50 F 50 195 F When using 4 20mA setpoint control in SET...

Page 110: ...d will equal the lowest flow required for this boiler it is adjustable It should be equal to the lowest flow of the largest boiler in the system HIGHEST FLOW BY BOILER TYPE Currently not used FULL SCA...

Page 111: ...ted HT Config J7 resistor The last power cycle step 7 will clear any Torus J7 configuration resistor error messages ALTITUDE LESS THAN 2000FT LESS THAN 2000 FT GREATER THAN 4000 FT This is the Altitud...

Page 112: ...rrent limit This may result in the need for the boiler to be recycled If this is to be avoided the Stage 4 relay may need to be wired to the Ametek Blower s contactor Doing this will allow 3 attempts...

Page 113: ...l be loaded CONFIRM BOX If the OK button is pressed the factory default setting for all menus are loaded This does not include the factory calibration values SAVE SETTINGS ON BOARD MEMORY ON BOARD MEM...

Page 114: ...l data to capture the current operational state of the boiler If the boiler is a master data from all its member boilers will also be sent The HeatNet Online server stores this information in a databa...

Page 115: ...file has been selected a STORAGE LOCATION needs to be selected There are 2 storage locations for the new file Location 1 is used for normal updates and Location 0 is for the factory stored backup fil...

Page 116: ...ler s IOM The HeatNet Manual button when pressed loads the Display firmware release PDF of this manual The All Documents button when pressed displays all the files available for reading including the...

Page 117: ...t work in tandem to externally control i e a BMS building management system the operating setpoint The setpoint countdown timer should be loaded with a timeout value in seconds prior to writing the sy...

Page 118: ...ate portion of this system variable to write the new date and time to the system clock 0 no action 1 set write the clock 40018 DHWSetpoint 16 bit signed 1 0 DHW Setpoint 40 200 F 40019 BMSGPMRate 16 b...

Page 119: ...a list of conditions Boiler01 Master Boiler02 Member01 Boiler16 Member15 See the BoilerStatus1 and BoilerStatus2 Tables below 30017 Boiler01Status2 30018 Boiler02Status1 30019 Boiler02Status2 30020 Bo...

Page 120: ...0058 Boiler06RuntimeHigh16 30059 Boiler06RuntimeLow16 30060 Boiler07RuntimeHigh16 30061 Boiler07RuntimeLow16 30062 Boiler08RuntimeHigh16 30063 Boiler08RuntimeLow16 30064 Boiler09RuntimeHigh16 30065 Bo...

Page 121: ...99 Boiler04SupplyTemp 30100 Boiler05SupplyTemp 30101 Boiler06SupplyTemp 30102 Boiler07SupplyTemp 30103 Boiler08SupplyTemp 30104 Boiler09SupplyTemp 30105 Boiler10SupplyTemp 30106 Boiler11SupplyTemp 301...

Page 122: ...135 Boiler04CyclesLow16 30136 Boiler05CyclesHigh16 30137 Boiler05CyclesLow16 30138 Boiler06CyclesHigh16 30139 Boiler06CyclesLow16 30140 Boiler07CyclesHigh16 30141 Boiler07CyclesLow16 30142 Boiler08Cyc...

Page 123: ...WTemp 30212 Boiler05DHWTemp 30213 Boiler06DHWTemp 30214 Boiler07DHWTemp 30215 Boiler08DHWTemp 30216 Boiler09DHWTemp 30217 Boiler10DHWTemp 30218 Boiler11DHWTemp 30219 Boiler12DHWTemp 30220 Boiler13DHWT...

Page 124: ...ystemFlowHigh16 32 bit unsigned 0 01 Boiler SystemFlow High Upper and Low Lower 16 bit registers To get Boiler SystemFlow High Upper and Low Lower 16 bit registers To get the actual SystemFlow the hig...

Page 125: ...ion Valid Values Range 0 N A 0 closed 1 open 1 Blower Running 0 off 1 running 2 Ignition Alarm 0 ok 1 alarm 3 Valve Alarm 0 ok 1 alarm 4 High Limit 0 ok 1 tripped 5 Air Prove Switch 1 open 0 closed 6...

Page 126: ...ler Running Main Valve is open and Modulation Delay time has expired 0 off 1 running 6 Pump Running 0 off 1 running 7 Spare 3 Interlock 0 open 1 closed 8 LWCO Interlock Low Water Cut Off 0 open 1 clos...

Page 127: ...te 0 off 1 on 8 reserved for future use 9 reserved for future use 10 reserved for future use 11 reserved for future use 12 reserved for future use 13 reserved for future use 14 reserved for future use...

Page 128: ...HW 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...

Page 129: ...TDOOR 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 ROTAT...

Page 130: ...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 SILE...

Page 131: ...X RUNTIME HOLDOFF TIME PUMP ALWAYS ON SYSTEM CLOCK ADVANCED SETUP DISTRIBUTED CTRL HeatNet Master MASTER TYPE H NET ADDRESS MODULAR BOILER SET SPACE HEATING ADD BOILER DELAY SHED BOILER DELAY MODULATE...

Page 132: ...SUPPLY R E T U R N H E A D E R DHW 6 7 8 TYPE 4 20mA INPUT ANALOG IN CHANNEL CHANNEL MODE 4mA SETPOINT 20mA SETPOINT BOILER START PRIORITY PASSWORD COMMUNICATIONS Modbus Address BAUD DATA FORMAT SETPO...

Page 133: ...age 133 SYSTEM CONFIGURE INTERLKS INTRLK ASSIGNMENTS SYSTEM FLOW ON LOAD FIRMWARE Version OPTION BOILER TYPE PRODUCT CONDENSING BTU IN MORE MENUS BLOWER MASS TURNDOWN ALTITUDE PID RATE CALIBRATION SET...

Page 134: ...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 15 59 15 711 115 239 445 2 2...

Page 135: ......

Page 136: ...260 North Elm Street Westfield MA 01085 Phone 833 265 5371 Fax 413 568 9613 7555 Tranmere Drive Mississauga Ontario L5S 1L4 Canada Phone 905 670 5888 Fax 905 670 5782 www rbiwaterheaters com...

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