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WIRING CONNECTIONS

HeatNet Control V3

Page 75

Figure 59

Using a 4

–20mA signal for direct modulation

100%

Boiler Output

Boiler Off

Ignition

100%

Percent of Boilers

Output

Percent of Boilers

OUTPUT

Ignition

4mA

20mA

Control Signal

Output Range From

Control

No Effect

Once boiler starts the
control signal must
drop below 4.01 mA
to stop Boiler

MAX

OUTPUT

After Ignition

100%

Control Signal to MAX Output

Boiler Off

Percent of Boilers

INPUT

0ma

Display input % of control when running

A control signal greater
than 4.2mA (adjustable)
will start boiler.

PWM Duty Cycle

Blower Off

20%

Blower Fully ON

80%

100%

20% = the

minimum speed
the VFD will run

20% for 5:1 boilers
25% for 4:1 boilers
33% for 3:1 boilers

33%

20%

25%

33%

20%

25%

20% for 5:1 boilers
25% for 4:1 boilers
33% for 3:1 boilers

Boiler Off

Содержание FUTERA XLF Series

Страница 1: ...uction 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 clean repair or replace...

Страница 2: ...TED 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 Fut...

Страница 3: ...OMMUNICATIONS 24 BASE LOADING RELAY CONTROL 25 SETTING UP BASE LOADING 28 Domestic Hot Water Methods 28 DHW MAXIMUM RUNTIME 29 DHW METHOD 1 DHW HEATING ONLY USING A DHW MASTER AND MEMBER BOILER S EMPL...

Страница 4: ...r Control Options 63 HeatNet Online 65 Wiring Connections 66 Status Information 78 STATUS INFORMATION SCREENS 78 Status Screen Fault Display 80 Calibration 83 Log Entry 84 Line 4 Log Entries 85 Defaul...

Страница 5: ...boiler with the Futera III Fusion Series H Net control can be operated in multiple ways 1 As a standalone boiler 2 A boiler in a Boiler Network using the HeatNet H Net protocol 3 A Member boiler to a...

Страница 6: ...ontrol the system modulation Setting the DELAY RELEASE timer will allow some soak time of the newly added boiler before releasing modulation control to the PID The ADAPTIVE MOD menus are disabled on a...

Страница 7: ...uum Florescent and Color LCD using the same 20 pin ribbon cable The color LCD provides an interface for the HeatNet Online monitoring 7 System Return sensor input 8 Enhanced boot loader and firmware s...

Страница 8: ...boiler system automatically transfers to local boiler setpoint control 21 Rotation Methods Lead Lag True Rotation based on boiler runtime is default First On First Off FOFO Last On First Off LOFO and...

Страница 9: ...larm DHW Pump v2 x 8A 250 VAC resistive Refer to wiring diagram for application specific ratings K8 on J4 2 6 for Base Loading AC Interlocks 24 VAC 120 VAC input Control Inputs AA Heat Demand 4 20mA E...

Страница 10: ...0026 Temperature probe bullet type 1x 250 inch ACI 10K CP BP 14 0325 Supply Header Return Sensors ACI 10k CP I NW 14 0328 ACI X 2 CP PO 4 4 probe with dual sensor 14 0329 ACI X 2 CP PO 6 6 probe with...

Страница 11: ...has been determined the Master sends the command over the H Net cable to fire that boiler and resets the ADD BOILER delay timer to prepare for the next boiler to fire If the header water temperature...

Страница 12: ...timer allows for this loss of BTUs This cycle will continue until the call for heat is satisfied or the Warm Weather Shutdown feature is enabled Mixed Boiler Types Using Priority Sets Using the Basic...

Страница 13: ...lers are used but other combinations may also be used Another example could use 2 small boilers and set them to Priority 1 and then use 3 larger boilers and set them to Priority 2 Using these Priority...

Страница 14: ...s may not applicable in most configurations since the local return temperature on the Master is used to provide a difference temperature across the heat exchanger A System Return sensor will be requir...

Страница 15: ...ced into the system by adding boilers the amount of introduced BTUs should be smooth linear If these factors are not considered discontinuity in BTUs may occur when boilers are added and as a result s...

Страница 16: ...ontinuity of BTUs linear without a BTU bump discontinuity when boilers are added or shed This is illustrated in the Boiler System Response 2 graph If redundancy is not required the min inputs of the P...

Страница 17: ...e CB CW Fusion boilers from low to middle input rates See Typical Efficiency of Condensing Boiler graph Figure 9 Boiler System Response 1 2 MB MW 500s 3 MB MW 1250s When running non condensing boilers...

Страница 18: ...of the smaller boilers before calling the larger ones In summary the system should be tuned using the boiler selection charts and the MOD MAX value Since selecting the Priority 1 boiler is integral t...

Страница 19: ...temperature the return water temperature may never rise sufficiently to keep boilers out of a condensing mode HeatNet online is a good way to monitor this scenario if suspected If the firmware version...

Страница 20: ...M and operate at higher combustion efficiencies 27 is roughly between the top two lines on the Typical Efficiency of Condensing Boilers chart The Boiler System Response 5 chart illustrates how each bo...

Страница 21: ...SETUP OPERATION HeatNet Control V3 Page 21 Figure 17 Mixed Boilers Example Condensing Non Condensing...

Страница 22: ...the process may continue A Member boiler would use its supply outlet sensor to protect itself from short cycling by limiting the firing rate coming from the Master This occurs in the event that the Me...

Страница 23: ...100 This percentage is converted to a PWM P ulse W idth M odulation signal by each boiler The temperature of the water is maintained by sending this PWM signal to the Variable Frequency Drive which i...

Страница 24: ...tom setpoint range The minimum start current is also adjustable between 3 71 and 5mAThe boiler start signal is 4 10mA This will act as a start stop for the boiler if a jumper is placed on the 4 20mA e...

Страница 25: ...status or temperatures remotely using digital commands See the section MODBUS Communications Base Loading Relay Control The H Net control has the ability to control 1 base load boiler using the K8 Re...

Страница 26: ...ly having more total BTUs in the HeatNet boilers than total BTUs of the Base Load boiler This will prevent short cycling Example 4 2 million BTU HeatNet boilers 8 million BTUs and 1 6 million BTU Base...

Страница 27: ...CONTROL METHODS HeatNet Control V3 Page 27 Figure 25 Base loading relay...

Страница 28: ...en the RET read from the Return Water Temperature sensor if Equipped falls below this temperature ADVANCE SETUP BASE LOADING START RET d STOP menu item The relay contact will open to disable the boile...

Страница 29: ...communication is lost and after 10 minutes of not being restored the DHW inputs become active The boiler now enters a standalone mode The Heat Demand on that boiler becomes active and not only runs to...

Страница 30: ...t 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 Sen...

Страница 31: ...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 Air...

Страница 32: ...pump can be used globally After a DHW call ends the Local pump will remain on during a post purge pump cycle until the post purge timer expires DHW Only Method 1 Set Up 1 Enter the DOMESTIC HOT WATER...

Страница 33: ...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 down arrow again...

Страница 34: ...lves 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...

Страница 35: ...g 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 must...

Страница 36: ...umps 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...

Страница 37: ...ilsafe 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...

Страница 38: ...e 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 DHW Method 2 e...

Страница 39: ...OCAL DELAY settings DHW has Priority 12 Next is the LOCAL PUMP OFF menu When a DHW heating cycle begins the function of the local pump valve is determined NO The local pump valve will remain running d...

Страница 40: ...ake 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 DHW...

Страница 41: ...s 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 Local...

Страница 42: ...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 of this manual This differential has t...

Страница 43: ...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 call...

Страница 44: ...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...

Страница 45: ...ting 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 the post purge of the...

Страница 46: ...er 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 th...

Страница 47: ...turn 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...

Страница 48: ...hen 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 setpoint override mo...

Страница 49: ...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 MAST...

Страница 50: ...MBER 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...

Страница 51: ...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 when th...

Страница 52: ...ing 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 shu...

Страница 53: ...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...

Страница 54: ...ing MEMBER 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...

Страница 55: ...e 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 only The MASTER uses OR OVR already with DHW METHOD 4...

Страница 56: ...the remote panel to the Member boilers using the floating 250 ohm method type 4 The relay contacts on the remote panel will then be connected to the associated 4 20mA REMOTE ENABLE inputs on the asso...

Страница 57: ...ol is lost the next level setpoint control is used until the System Setpoint is loaded The setpoints are prioritized in the following order 1 0 10V 4 20MA setpoint Control 2 BMS Modbus Setpoint 3 Outd...

Страница 58: ...e VFD represents the stepped percentage of boilers running where 0Vdc 0 to 10Vdc 100 If there are 6 boilers in a system and 2 are running the control signal 33 or 3 3Vdc This signal could then be appl...

Страница 59: ...S menu Using the LINKED COMMON setting the Master boiler controls a system damper so in the event this damper fails to open the system will not start If the Master boiler s system damper fails then no...

Страница 60: ...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 SETUP SYSTEM PUMP OVR ENAB IN WWS is set t...

Страница 61: ...ile When the Storage location default is Location 1 is selected the file will be loaded into a permanent storage memory location Next the control will reboot and copy this new program into running mem...

Страница 62: ...fe 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 the combustion air damper is used as a common s...

Страница 63: ...t Once the Boiler reaches its setpoint it will turn OFF Category 1 Venting The version 3 control supports Category 1 Venting If the boiler is a Category 1 Venting version then the Category 1 Version o...

Страница 64: ...this feature will be deactivated until a new flow value is written Ensure periodic updates of the flow register are done within 10 minute intervals g To check if HeatNet is in a flow limited state rea...

Страница 65: ...ay The bridge module provides an RJ45 connector for access to the internet If an RJ45 hardline is not available a wireless modem can also be used Consult the factory or sales for available solutions T...

Страница 66: ...ta stored on the HeatNet Online server Runtime graphs of each boiler ensure even runtimes are being observed by a properly operating system This is just an overview of HeatNet Online and a few of the...

Страница 67: ...WIRING CONNECTIONS HeatNet Control V3 Page 67 Figure 49 Jumper Dip Switch Locations...

Страница 68: ...WIRING CONNECTIONS HeatNet Control V3 Page 68 Figure 50 Heating Method 1 H Net Master Member Figure 51 Boiler Terminal Block...

Страница 69: ...9 Figure 52 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 C...

Страница 70: ...WIRING CONNECTIONS HeatNet Control V3 Page 70 Figure 53 Heating Method 3 4 20 mA 0 10 VDC Figure 54 Boiler Terminal Block...

Страница 71: ...WIRING CONNECTIONS HeatNet Control V3 Page 71 Figure 55 Heating Method 5 MODBUS Optional BACnet or LonWorks bridge Protocessor http rbiwaterheaters com resource center technical library...

Страница 72: ...5 6 7 8 Low Fire Hold Fires the boiler 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 set...

Страница 73: ...WIRING CONNECTIONS HeatNet Control V3 Page 73 Figure 57 Temperature sensors...

Страница 74: ...ASTER YES a Heat Demand signal mustbe used to activate the system HEADER SENSOR Determines Master Boiler 4 RETURN SENSOR 3 SUPPLY SENSOR 2 LOCAL PUMP ENABLE 8 FLOW PROVE 10 SYSTEM PUMP ENABLE 14 FLOW...

Страница 75: ...ontrol 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 contro...

Страница 76: ...R 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 Bo...

Страница 77: ...on 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 addi...

Страница 78: ...re please see the Default Settings Menu Item Descriptions SETUP starting on page 88 Status information screens This screen indicates that the boiler s SUPPLY Temperature has gone above the OPERATOR LI...

Страница 79: ...red This Screen indicates that the boiler s input is temporarily being limited to optimize the boiler s efficiency This screen indicates that the boiler is running in LOCAL MODE because it has lost H...

Страница 80: ...PARE 4 This is a reserved interlock input that is user defined The interlock is located on J5B SPARE 4 DELTA TEMPERATURE WARNING If the temperature difference across the boiler measured from RETURN wa...

Страница 81: ...ay will cycle ON for 10 seconds and then OFF for 10 seconds to try and establish flow The interlock connection is located on J5B WTR FLW IGNITION CTRL ALARM The ignition control alarm is displayed if...

Страница 82: ...ups being caused by a blower bringing in cold outside air with no fire It usually indicates that the blower never started or the air switch never closed CALL SERVICE If the H Net control closes the l...

Страница 83: ...n at min fire While in Standby no call for heat on inputs the minimum percent may be preset To set the minimum rate while running any 1 and only 1 of the T inputs must be closed in order to set the bo...

Страница 84: ...e control state of the boiler The control state is defined as the Boiler s that is running the Circulator Pump state and the ignition condition Main Valve Pilot Valve Blower and the Ignition alarm The...

Страница 85: ...log entries will be displayed in the log NO LOCAL FLOW NO SYSTEM FLOW If the test for flow fails these log entries will be displayed The flow proving switches are wired to J11A and J11B COMBUSTION AIR...

Страница 86: ...LOW WATER CUTOFF VAR FREQ DRIVE GAS PRESSURE SPARE 4 OP LIMIT MECH These log entry faults are result of the interlocks connected to the 24VAC interlock inputs J11A and J11B Low Water Cutoff Low water...

Страница 87: ...MP If the Fail Safe modes are active these log entries indicate that they became active for some reason and the boiler had entered Fail Safe mode BASE LOAD BOILER The Base load Boiler Relay K8 is Acti...

Страница 88: ...supply temperature reached Boiler restarts at lower temp of OP LIM BAND or 10F whichever is lower LOCAL SETPT 160 F 40 220 F Local setpoint used to maintain temperature of SETPT SOURCE OP LIM BAND 20...

Страница 89: ...the local and system pump s for POST PRGE time when system is in summer shutdown Jog once a week 12 00 AM The menu item OVR ENAB IN WWS and ALWAYS ENABLED must be set to OFF for the jog function to wo...

Страница 90: ...control their respective damper independent of the Master Relay K5 is used to enable the combustion air damper See Figure 60 Common system damper wiring page 76 Needs to Prove the damper is open INPUT...

Страница 91: ...ow the maximum delta T to reset this limit The message INPUT will be displayed on a Member boiler and a Master Boiler will display the Modulation for the system even though it is running at of this ra...

Страница 92: ...emperature is less than this temperature the Boiler System will enter DHW Heating mode if DHW BOILER Is set to LOCAL or COMBO UPPER DHW DIFF 3 F 1 30 F DHW SETPOINT UPPER DHW DIFF if the DHW water tem...

Страница 93: ...ime expires before allowing the boiler to start This timer proves that there is flow whether interrupted or not for x adjustable seconds If pumps are used this value can be set to a few seconds PURGE...

Страница 94: ...such as a Building Management System It is the 2nd communication port reserved for host control MODULAR BOILER SET SPACE HEATING DHW HEATING If the MASTER TYPE is set to COMBO the MODULAR BOILER SET i...

Страница 95: ...pon entering the Main Valve state of a newly fired boiler the Master waits the DELAY RELEASE time before allowing the PID to resume modulation control With MOD MODE set to ORIG KN The Master boiler ke...

Страница 96: ...bottom of the band BASE LOADING BASE LOAD BOILERS 0 0 1 This setting works in conjunction with the ADVANCED SETUP SYSTEM OPTION setting BASE LOAD Currently only 1 base load boiler is supported using r...

Страница 97: ...o if the Boiler starts at 4 11mA it shuts off a 4 01mA PRIORITY NORMAL If the Priority is set to NORMAL the boiler responds to its HEAT DEMAND inputs in the Priority that is outlined in the Control Me...

Страница 98: ...ow required and is adjustable within that boilers range SYSTEM FLOWMETER NO YES NO If a System flow meter or flow control is to be used set to YES GLYCOL MIX 0 0 100 Any mix over 10 de rates the flow...

Страница 99: ...keys to select a stored file for copying to running memory When SELECT is pressed the file will be marked so it will be loaded on the next power cycle Power cycle the boiler to begin copying the file...

Страница 100: ...ault is 5 1 and determines the minimum firing percentage 5 1 Min 20 4 1 Min 25 3 1 Min 33 NOTE The boiler must be set up for operation at this Turndown rate using the Calibrate settings This TURNDOWN...

Страница 101: ...int 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 control assumes that the BMS is no longer operati...

Страница 102: ...culating how many boilers can run based on flow 0 1500 GPM 40020 BMSLimitBoilers 16 bit unsigned 1 0 Write the of boilers that the BMS allows to fire If x boilers are available x becomes less than or...

Страница 103: ...us1 30029 Boiler07Status2 30030 Boiler08Status1 30031 Boiler08Status2 30032 Boiler09Status1 30033 Boiler09Status2 30034 Boiler10Status1 30035 Boiler10Status2 30036 Boiler11Status1 30037 Boiler11Status...

Страница 104: ...69 Boiler11RuntimeLow16 30070 Boiler12RuntimeHigh16 30071 Boiler12RuntimeLow16 30072 Boiler13RuntimeHigh16 30073 Boiler13RuntimeLow16 30074 Boiler14RuntimeHigh16 30075 Boiler14RuntimeLow16 30076 Boile...

Страница 105: ...turnTemp 16 bit signed 0 01 Boiler 1 16 return temperature if available See BoilerStatus2 to determine if the sensor is present Boiler01 Master Boiler02 Member01 Boiler16 Member15 32 250 F 30113 Boile...

Страница 106: ...sHigh16 30149 Boiler11CyclesLow16 30150 Boiler12CyclesHigh16 30151 Boiler12CyclesLow16 30152 Boiler13CyclesHigh16 30153 Boiler13CyclesLow16 30154 Boiler14CyclesHigh16 30155 Boiler14CyclesLow16 30156 B...

Страница 107: ...running display modulation This is typically the actual running modulation except under special circumstances when the boiler is running in a self protection mode Op Limit Fire Rate etc Boiler01 Mast...

Страница 108: ...lowHigh16 65536 SystemFlowLow16 0 01 This value is either the system flow meter reading or the value written to the BMSFlowRateGPM register by the BMS 0 1500 GPM 30266 SystemFlowLow16 30269 HeatingBoi...

Страница 109: ...1 running 6 Pump Running 0 off 1 running 7 Spare 3 Interlock 0 open 1 closed 8 LWCO Interlock 0 open 1 closed 9 VFD Interlock 0 open 1 closed 10 Gas Prove Interlock 0 open 1 closed 11 Spare 4 Interloc...

Страница 110: ...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 15 reser...

Страница 111: ...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...

Страница 112: ...ng random characters or the control keeps resetting There may exist a grounding problem with the controller or one of the boilers pumps contactors or other devices connected to it If all grounding is...

Страница 113: ...nications cable away from electrical noise sources such as Motors ignition controls contactors etc Situation Only the MASTER boiler Fires but the system has many boilers and is using H Net 1 In order...

Страница 114: ...ly in the Operating Limit Band While in the operating limit band the HeatNet control limits the input of the boiler The boiler tries to deliver the most input it can in an attempt to meet the called f...

Страница 115: ...RS485 devices not just the HeatNet control To help eliminate grounding problems nylon standoffs are required to isolate the bridge from the boiler chassis The ProtoCarrier should also be powered from...

Страница 116: ...a zero 0 to the timer The feature will automatically revert back to the enabled state whenever the control is reset or power cycled The SETPOINT TIMER failsafe feature can permanently disabled or ena...

Страница 117: ...SYS RETRN CALIBRATE RUN 100 CALIBRATE RUN 100 5853 TACH CALIBRATE RUN 100 LOCAL SET 158 F The SETPOINT can be adjusted by pressing and holding the SELECT button until the SETPOINT flashes Then use th...

Страница 118: ...Fusion Series HeatNet Control Run Screen DHW screens are available depending on the DHW mode of operation RUN 100 NA SYS FLOW RUN 100 NA SYS FLOW RUN 100 RUN 100 DHW CALIBRATE DHW STATUS START 0 STOP...

Страница 119: ...FF BOILER CYCLES L IM OFF 68 F FLOW PROVE 10s TYPE L INKED COMMON PROOF T IME IN USE INPUT J12B PIN 7 2 00 YES FAILSAFE MODES DOMESTIC HOT WATER DHW BOILER DHW SETPOINT 3 F USE SENSOR LOWER DHW DIFF N...

Страница 120: ...T 20mA SETPOINT 68 F 68 F 200 F 200 F 4 11mA 4 11mA PRIORITY PRIORITY NORMAL NORMAL MODULAR BO ILER SET MODULAR BO ILER SET PASSWORD PASSWORD 10 HRs 10 HRs TRUE TRUE MODE MODE 0m 0m MIN RUNTIME MIN RU...

Страница 121: ...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 MO...

Страница 122: ...Y 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 SILENCE SWITCH...

Страница 123: ...RIBUTED CTRL CONTROL MASTER TYPE H NET ADDRESS MODBUS ADDRESS MODULAR BOILER SET SPACE HEATING ADD BOILER DELAY SHED BOILER DELAY MODULATE DELAY TIME MOD MAX LAST FIRE DHW HEATING ADD BOILER DELAY SHE...

Страница 124: ...RET 8 4 20mA INPUT ANALOG IN CHANNEL CHANNEL MODE 1 2 4mA SETPOINT 20mA SETPOINT BOILER START PRIORITY PASSWORD COMMUNICATIONS BAUD DATA FORMAT SETPOINT TIMER SETPT TIME FLOWMETER FLOWMETER GLYCOL MIX...

Страница 125: ...WORKSHEET HeatNet Control V3 Page 125 TURNDOWN ALTITUDE CALIBRATION SETTINGS MIN VFD IGN VFD MAX VFD...

Страница 126: ...0 410 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 1...

Страница 127: ...413 568 9571 Fax 413 568 9613 Page 127...

Страница 128: ...www rbiwaterheaters com 260 North Elm Street 7555 Tranmere Drive Westfield MA 01085 Mississauga Ontario L5S 1L4 Canada Phone 413 568 9571 Phone 905 670 5888 Fax 413 568 9613 Fax 905 670 5782...

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