RBI Encore Series Control Manual
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RBI Encore Series Control Manual

Gas-fired direct vent stainless steel boilers
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This manual is intended only for use by a qualified heating installer/technician. Read and follow this manual, all
supplements and related instructional information provided with the boiler. Install, start and service the boiler only
in the sequence and 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 particulate, particularly drywall dust, will cause
contamination of the burner, resulting in possible severe personal injury, death or substantial property damage.
The boiler can only be operated with a dust-free air supply. 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 clean, repair or replace the boiler if necessary.
Affix these instructions near to the boiler. Instruct the building owner to retain the instructions for future use by a
qualified service technician, and to follow all guidelines in the User's Information Manual.
Encore Series
Gas-fired Direct Vent
Stainless Steel Boilers
Models:
RB350, RB400, RB500,
RB600, RB725, RB850
Control Manual
Control adjustment and operation instructions
for RBI firmware version 4.15
This instruction manual applies only to RBI
firmware version 4.15 on version 3.x control
boards.
Also read and follow:
Encore Series Gas Boiler Installation
and Operating Instructions
H
09/2022 Copyright 2022 Mestek, Inc
ECRV3-0922
82-0971-001
.

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Summary of Contents for RBI Encore Series

  • Page 1 RB350, RB400, RB500, RB600, RB725, RB850 Control Manual Control adjustment and operation instructions for RBI firmware version 4.15 This instruction manual applies only to RBI firmware version 4.15 on version 3.x control boards. Also read and follow: Encore Series Gas Boiler Installation and Operating Instructions This manual is intended only for use by a qualified heating installer/technician.
  • Page 2 Information contained in this publication regarding device applications and The RBI name and logo, Mestek name and logo, Encore Series the like is provided only for your convenience and may be superseded by HeatNet, and H-Net name and logo are registered trademarks of updates.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS HeatNet Control V3 Table of Contents Table of Contents ..........................3 Introduction ............................6 V3 H ............................6 NCORE ERIES ONTROL Features & Specifications ........................8 ..............................8 TANDARD EATURES VERVIEW Specifications ............................. 10 Components & Accessories ......................11 ....................................
  • Page 4 DHW M ................................56 AXIMUM UNTIME ..............................57 OADING ELAY ONTROL Using the 4-20mA input (OPTIONAL) ....................60 ..................................61 ETPOINT RIORITIES Circulator Pump Options ........................61 Local Pump Options ........................... 63 Combustion Air Damper ........................64 Outdoor Reset............................. 64 Sensors ...............................
  • Page 5 TABLE OF CONTENTS HeatNet Control V3 MODBUS Communications ......................116 Worksheet ............................128 Type II Thermistor Resistance/Temperature Table ................ 133 Page 5...

  • Page 6: Introduction

    The monitored limits include a HIGH LIMIT AQUASTAT, LOW WATER CUTOFF, The Encore Series boiler control is designed to provide the GAS PRESSURE, FLOW, IGNITION CONTROL fault, Encore Series of boilers with an integrated boiler GAS VALVE alarm, VARIABLE FREQUENCY DRIVE management system on every boiler.
  • Page 7 FEATURES & SPECIFICATIONS HeatNet Control V3 is entered. Once in the Heat Band, modulation is used to ADAPTIVE MOD: DROP DOWN. Once the Main Valve maintain setpoint. Boilers are shut down only when the top (on the newly added boiler) is opened, and the DELAY of the Heat Band is breached.

  • Page 8: Standard Features Overview

    17. Dual Adjustable PID controls. One for space heating Features & Specifications and one for DHW heating. Allows for simultaneous DHW/Space heating. Hardware Version 3.x Control 18. Added High Turndown configuration resistor (100- Features ohms). This configuration resistor allows the boiler to (Identified by circuit board color: BLACK) be setup for high turndown operation.
  • Page 9 FEATURES & SPECIFICATIONS HeatNet Control V3 17. Runtime hours, and Cycles (based on Main Valve 29. On-board power and socket for Protocessor Open). BACnet/LonWorks module. 18. Outdoor Air Reset with programmable setpoint and 30. HI/LO relay control option from connector J4 ratio.

  • Page 10: Specifications

    Specifications Control Microprocessor based PID modulating control (NOT a safety limit) Environment -40 °F to 140 °F, <90% RH non-condensing Input Power 24 VAC, 500mA Relays System Pump, Damper, Circulator, Alarm, DHW Pump (v2.x), 8A 250 VAC resistive K8 on J4.2 &.6 for Base Loading 24 VAC –...

  • Page 11: Part Number

    Components & Accessories Part Number 40-0092 Encore Series Control Board Version 3.x Full version 40-0093 Encore Series Control Board Version 3.x Lite Version 40-0090 Color Touch Panel Display 16-0026 ACI/10K-CP-BP Temperature probe (bullet type, 1x.250 inch) 14-0325 ACI 10k-CP-I-NW Supply, Header, Return Sensors 13-0104 ACI CP-I-2.5”...

  • Page 12: Setup & Operation

    SETUP & OPERATION The Master now checks all of the runtimes to determine Setup & Operation which boiler has the least runtime based on the MIN RUNTIME setting in SETTINGS: FIRING MODE: The Basic Multi Boiler System Operation MIN RUNTIME setting is the minimum runtime interval in hours that is used to compare boiler to boiler runtimes.

  • Page 13: Mixed Boiler Types Using Priority Sets

    Priority of 2, will create (2) sets of boilers, one boiler is added (see: Introduction: The Encore SERIES H- condensing and the other non-condensing. Once this is Net Control: Master).
  • Page 14 SETUP & OPERATION When the start condition for Priority 1 is met, all boilers in the PRIORITY 1 set will fire based on runtime. Once all boilers in the PRIORITY 1 set have fired, the PRIORITY 2 set of boilers will fire based on runtime. If the Start condition changes and/or is not met (such as with: OAT or RET temp), the PRIORITY 2 set of boilers will fire first/next based on runtime.
  • Page 15 SETUP & OPERATION HeatNet Control V3 Mixed Boilers: Example: Condensing/Non-Condensing Page 15...

  • Page 16: Start/Stop Priority Conditions

    CONTROL METHODS HeatNet Control V3 In the example Mixed Boilers: Condensing/Non- The Return water temperature is below 140F, and condensing occurs. (The Master’s system return water Condensing, condensing boilers and non-condensing boilers are used, but other combinations may also be used. Another would need to be used.) example could use (2) small boilers and set them to The Outside Air Temperature is above a setpoint...

  • Page 17: Selecting Mixed Boilers

    CONTROL METHODS HeatNet Control V3 The condensing boiler set (Priority 1) has a Base load boilers can also be mixed in the same way as higher Priority to stop when one of these condensing and non-condensing boilers. The base load conditions are met.
  • Page 18 This is illustrated in the following examples way as base loading. using the Boiler System Response graphs. Encore Series 350 – 850 Modulation Parameters The Mixed Boiler System is advantageous in providing low BTU input for light loads and high BTUs for heavy loads.
  • Page 19 CONTROL METHODS HeatNet Control V3 Typical Efficiency of Non-Condensing Boilers Mod MAX % = (((Priority 1 Min) * (#Priority 1’s)) + Priority 2 Min) Max Input of Priority 1 boiler * (#Priority 1’s) Example: (2) Encore 400, (2) Encore 850 Redundancy: (40 + 85)/400 = 32% No Redundancy: (40 * 2) + 85) / (400*2) =21%...

  • Page 20: Mixed System Type 2: Condensing/Non-Condensing

    CONTROL METHODS HeatNet Control V3 Boiler System Response 1 Mixed Condensing/Non-Condensing Boiler (2) Encore 400’s, (3) Encore 850’s System Blr1 (128 MBTU) Outdoor Air Blr1+Blr2 (256 MBTU) Sensor Blr1+Blr2+Blr3 (528 MBTU) Blr1+Blr2+Blr3+Blr4 (800 MBTU) Blr1+Blr2+Blr3+Blr4+Blr5 (1072 MBTU) 1.00 0.90 0.80 0.70 0.60 0.50...
  • Page 21 FUNCTIONS: HEAT EXCHANGER: TEMP DISAB: RETURN if the there is no pump/valve limiting flow For the examples, the RBI FIII series water heaters will be continuously through the boiler. If there is a pump/valve used. These boilers are non-Condensing, fully modulating, limiting the flow through the boiler, the SETUP: AUX low mass, and HeatNet compatible.
  • Page 22 CONTROL METHODS HeatNet Control V3 HeatNet Master’s request as” unavailable”. As soon as Since the FIII boiler is non-condensing, the efficiency vs. the return temperature reaches 140F, the boiler will input is relatively flat. The MOD MAX value will not have respond to the Master’s request that it is available to fire.
  • Page 23 HeatNet Control V3 So, for the first 1190 MBTU of load, the combustion efficiency is maximized by running the (2) Encore Series boilers from low to middle input rates. Running the (2) RB 850 boilers first has the added effect of minimizing the return water temperatures of <140F from reaching the non-...

  • Page 24: Heating Control Methods

    Heating Method 4 Heating Method 1 The fourth method turns the boiler ON and OFF @ 100% The first method is to use the Encore Series boiler in its modulation using the AA terminal. stand-alone modulating method. This method uses a PID algorithm to maintain a setpoint and is enabled using the HEAT DEMAND input.

  • Page 25: Input Priorities

    The AA terminal, the FAILSAFE mode active, 4-20mA at Input Priorities PRIORITY: HIGHEST, and the HEAT DEMAND input The Encore Series control inputs are prioritized so that (LOCAL) on a Member are the only inputs that will multiple levels of external control can be employed at the override the H-Net control.
  • Page 26 CONTROL METHODS HeatNet Control V3 Stage control input Features of the HEAT DEMAND input include: The control is designed to predict when to start and stop the boiler and keep the setpoint in, or as close to the control band as possible. If PREDICTIVE START is enabled, the boiler may start when it is in the band and not below it.

  • Page 27: Heating Method 3 4-20 M A Control

    CONTROL METHODS HeatNet Control V3 The System Setpoint Timer also needs to be loaded Heating Method 4 AA Input periodically to allow the H-Net system to fallback to HIGH FIRE input Control: The AA input will fire the boiler Method 1 in the event communications is lost from the at HIGH fire (maximum output of the boiler).

  • Page 28: Domestic Hot Water Methods

    CONTROL METHODS HeatNet Control V3 A MASTER TYPE is required when using DHW. Its Domestic Hot Water Methods setting is located under the DISTRIBUTED CONTROL menu. Any time its setting is changed, a power cycle is Domestic Hot Water control is supported using (6) methods. required.
  • Page 29 CONTROL METHODS HeatNet Control V3 HeatNet now incorporates an adjustable Add Boiler The example shows a 10-minute delay for the first boiler Delay. Selecting the 3 dots opens the menu. and increases by 3 minutes for each additional boiler. Page 29...

  • Page 30: Ethod 1: Dhw Heating Only Using Adhw Master And Member Boiler ( S ) Employing H-Net

    CONTROL METHODS HeatNet Control V3 DHW Method 1: DHW Heating ONLY using a DHW MASTER and Member Boiler(s) Employing H-Net Example DHW Only, Reverse Return Piping – Method 1. Domestic Domestic Supply Supply Tank Sensor Make Make Pressure Reducing Backflow Prevention HeatNet HeatNet...
  • Page 31 CONTROL METHODS HeatNet Control V3 DHW Method 1 Quick Start Settings DHW METHOD 1: DHW Heating ONLY Using a DHW MASTER and Member Boiler(s) Master (DHW Only) Settings DHW Use Sensor HeatNet Address Master Type Combustion Air Damper Automatic DHW Only Inputs Local/Remote DHW Sensor...
  • Page 32 CONTROL METHODS HeatNet Control V3 Boilers are started when the tank’s water temperature is This method requires a 10k thermistor connected to the below the (DHW SETPOINT – LOWER BAND). The first DHW Sensor input of a DHW MASTER, or a stand-alone boiler, and a DHW tank.
  • Page 33 CONTROL METHODS HeatNet Control V3 used to determine when boilers are started along with Set the LOCAL PUMP OFF value to NO. This will the ADD BOILER DELAY TIME. leave the local pump on during a DHW heating cycle (backwards compatibility). Setting this value to YES Next, change the UPPER BAND to the desired will always keep the local pump off.

  • Page 34: Dhw Method 2: Failsafe Combination Dhw And Space Heating With A Master Boiler And Member Boilers Utilizing Valves (Master Type: Combination)

    CONTROL METHODS HeatNet Control V3 DHW Method 2: Failsafe Combination DHW and Space Heating with a MASTER Boiler and Member Boilers Utilizing Valves (Master Type: Combination) In this example the Master is not a DHW boiler. MIN 3X PIPE DIAMETERS MAX 10X PIPE DIAMETERS BETWEEN CENTERS System Pump...
  • Page 35 CONTROL METHODS HeatNet Control V3 DHW Method 2 W/Diverting Valves Quick Start Settings DHW METHOD 2: Combination DHW and Space Heating Using a MASTER Boiler and Member Boiler(s) Employing Diverting Valves Master (Space Heating Only W/Valves) Settings Master Type HeatNet Address DHW Use Sensor Combustion Air Damper Combination...

  • Page 36: Dhw Method 2: Failsafe Combination Dhw And Space Heating With A Master Boiler And Member Boilers Utilizing Pumps (Master Type: Combination)

    CONTROL METHODS HeatNet Control V3 DHW Method 2: Failsafe Combination DHW and Space Heating with a MASTER Boiler and Member Boilers Utilizing Pumps (Master Type: Combination) In this example the Master is not a DHW boiler. MIN 3X PIPE DIAMETERS MAX 10X PIPE DIAMETERS BETWEEN CENTERS System Pump...
  • Page 37 CONTROL METHODS HeatNet Control V3 DHW Method 2 W/Pumps Quick Start Settings DHW METHOD 2: Combination DHW and Space Heating Using a MASTER Boiler and Member Boiler(s) Utilizing DHW Pumps Master (Space Heating Only W/Pumps) Settings Master Type HeatNet Address DHW Use Sensor Combustion Air Damper Combination...
  • Page 38 CONTROL METHODS HeatNet Control V3 This Method highlights the flexibility of the HeatNet If a thermostat is used, the boiler will run to Method 5A system. It works much the same as DHW METHOD 1, until the thermostat input removes the DHW call. If a DHW but also can provide space heating and failsafe functions.
  • Page 39 CONTROL METHODS HeatNet Control V3 Now, change the LOWER BAND to the space heating boiler stops and then restarts as a desired temperature (DHW SETPOINT – DHW boiler. DHW has priority. LOWER BAND) below which boilers are to be NO CYCLE The DHW algorithm can steal a boiler added.
  • Page 40 CONTROL METHODS HeatNet Control V3 POST PURGE This needs to be set on all boilers. All boilers control their respective DHW pump/valve when they are called to perform DHW heating. SHARING This can be set on any boiler and will how boilers will cycle on/off when they are called to perform DHW Heating.

  • Page 41: Dhw Method 3: Dhw Heating Only, Using A Header Sensor Input

    CONTROL METHODS HeatNet Control V3 DHW Method 3: DHW Heating Only, Using a Header Sensor Input Example: DHW Only Using Header Sensor, Primary/Secondary – Method 3 Domestic Domestic Supply Supply Tank Sensor Make Make HeatNet HeatNet HeatNet HNET HNET MASTER MEMBER 2 MEMBER 3 Cold Water...
  • Page 42 CONTROL METHODS HeatNet Control V3 DHW Method 3 Quick Start Settings DHW METHOD 3: DHW Heating ONLY Using a MASTER and Member boiler(s) Employing H-Net Space Heating PID. Master Settings Master Type HeatNet Address Combustion Air Damper Automatic Automatic Inputs Local/Remote Header Sensor JPS1 Jumper must be cut to service DHW...
  • Page 43 CONTROL METHODS HeatNet Control V3 This method will control a tank temperature when the tank SETTINGS: SETPOINTS: HEAT BAND temperature setpoint needs to be maintained for extended differential. This can be understood by referring periods with minimal cycling. Multiple boilers can be used to the INTRODUCTION section on the via the H-Net, as this method employs the same PID MASTER in the beginning of this manual.

  • Page 44: Dhw Method 4A: Space Heating With Dhw Override Of Setpoint On Master, Using An Aquastat

    CONTROL METHODS HeatNet Control V3 DHW Method 4a: Space Heating with DHW Override of Setpoint on Master, using an Aquastat Example: DHW METHOD 4a Space Heating with DHW Override of Setpoint on Master, using an Aquastat, Primary Secondary, Reverse Return DHW METHOD 4a: Space Heating with DHW Override of Setpoint on Master, using an Aquastat, Primary Secondary, Reverse Return In DHW METHOD 4a, the Master’s Heat Demand input enables space heating by energizing the system pump and maintaining...
  • Page 45 CONTROL METHODS HeatNet Control V3 DHW Method 4a Quick Start Settings DHW METHOD 4a: Space Heating with DHW Override of Setpoint on Master Using an Aquastat Master Settings Master Type HeatNet Address Combustion Air Damper Automatic Automatic Inputs JPS1 Jumper must be cut to Local/Remote OR OVR Header Sensor...
  • Page 46 CONTROL METHODS HeatNet Control V3 This method is for controlling DHW utilizing a tank PUMP PRIORITY Setting this value to YES will thermostat connected to a Master boiler. This method turn OFF the system pump when the DHW setpoint requires a thermostat input to the OR OVR. When the override mode is active.

  • Page 47: Dhw Method 4B: Space Heating With Dhw Override Of Setpoint On Master, Using A Dhw 10K Tank Sensor

    CONTROL METHODS HeatNet Control V3 DHW Method 4b: Space Heating with DHW Override of Setpoint on Master, using a DHW 10K Tank Sensor Example: DHW Method 4b: Space Heating with DHW Override of Setpoint on Master, using a DHW Sensor, Primary Secondary, Reverse Return.
  • Page 48 CONTROL METHODS HeatNet Control V3 DHW Method 4b Quick Start Settings DHW METHOD 4b: Space Heating with DHW Override of Setpoint on Master Using a 10K Tank Sensor Master Settings Master Type HeatNet Address DHW Use Sensor Combustion Air Damper Automatic Automatic Inputs...
  • Page 49 CONTROL METHODS HeatNet Control V3 This method is for controlling DHW utilizing a 10k sensor PUMP PRIORITY Setting this value to YES will in the tank connected to DHW TANK (J10A, 9 & 10) of turn OFF the system pump when the DHW setpoint a Master boiler.

  • Page 50: Dhw Method 5A: Local Dhw Tank Heating Using A 10K Tank Sensor

    CONTROL METHODS HeatNet Control V3 DHW Method 5a: Local DHW Tank Heating using a 10k Tank Sensor. Example: DHW Heating to a Local Boiler’s Tank,– Method 5a Domestic Hot Domestic Hot Water Water System Supply Supply Supply Make Up Make Up Tank Sensor Tank Sensor System Pump...
  • Page 51 CONTROL METHODS HeatNet Control V3 DHW Method 5a Quick Start Settings DHW METHOD 5a: Local Tank Heating Using a DHW Tank Sensor Master Settings Master Type HeatNet Address Combustion Air Damper Automatic Automatic Inputs Local/Remote Header Sensor System Return Local Optional Outputs System Pump On...
  • Page 52 CONTROL METHODS HeatNet Control V3 This method is used to provide combination space heating Next, enter the DOMESTIC HOT WATER menu and DHW heating. The boiler may be stand alone or in a on the Master boiler. Go to BOILER MODE and HeatNet configuration.
  • Page 53 CONTROL METHODS HeatNet Control V3 need to be shut down. The DHW pump will be 11. Set the PURGE TO value to TANK. This will energized without the boiler stopping. Once the purge the heat from the boiler into the tank or DHW cycle has completed, the boiler will stop system loop.

  • Page 54: Dhw Method 5B: Local Dhw Tank Heating Using A Thermostat & Hybrid Sensor

    CONTROL METHODS HeatNet Control V3 DHW Method 5b: Local DHW Tank Heating using a Thermostat & Hybrid Sensor. Example: DHW Heating to a Local Boiler’s Tank, Movable Sensor Location – Method 5b Domestic Domestic Supply Supply System Supply Tank Thermostat Tank Thermostat Cold Water Cold Water...
  • Page 55 CONTROL METHODS HeatNet Control V3 DHW Method 5b Quick Start Settings DHW METHOD 5b: Local Tank Heating using a Hybrid Sensor Master Settings Master Type HeatNet Address Combustion Air Damper Automatic Automatic Inputs Local/Remote Header Sensor System Return Local Optional Outputs System Pump On Local Pump On...

  • Page 56: Dhw Method 6: Dhw Using Direct Control

    OPTIONAL FEATURES HeatNet Control V3 Method 5b can also be used in a hybrid mode on Member DHW METHOD 6: DHW using Direct boilers with a thermostat connected to the OR OVR input. Control This will enable DHW heating and be used instead of having the 10k sensor’s temperature detect when DHW If the control’s SETTINGS: 4-20mA input is set to heating is needed but will use a selectable sensor instead...

  • Page 57: Base Loading, Relay Control

    OPTIONAL FEATURES HeatNet Control V3 Enable the base load feature by setting: Base Loading, Relay Control The control can control (1) base load boiler using the K8 SETTINGS: BOILER TYPE: OPTION to BASE Relay contacts on J4 pins 2 & 6. In order to connect to this LOAD.
  • Page 58 OPTIONAL FEATURES HeatNet Control V3 Preferred: Not Preferred: A modulating base load boiler that can accept a 4-20mA Example of having a larger Base Load boiler that is not of the control signal such as the Futera series is preferred, or a non- modulating type: If there is a 6 Million BTU Base Load boiler modulating base load boiler that is sized correctly to the If the running with (3) 2 million BTU HeatNet boilers, a short...
  • Page 59 OPTIONAL FEATURES HeatNet Control V3 Setting up base loading Return Water Temperature START menu item: The relay contact will close to The base load boiler is controlled using a set of contacts to enable it (location J4). Enabling/Disabling this relay contact enable the boiler when the RETURN IS ABOVE can be done using any combination of (3) qualifiers to start read from the Return Water Temperature sensor (if...

  • Page 60: Using The 4-20Ma Input (Optional)

    OPTIONAL FEATURES HeatNet Control V3 4–20mA enable connection Using the 4-20mA input (OPTIONAL) The 4-20mA input is designed to operate per the ISA-50.1 standard. It will support Type 2, Type 3, and Type 4 Transmitter/Receiver circuits. The Type 2 and Type 3 circuit may use the supplied +24VDC and 24VDC RET connections (J10B) to power a remote transmitter.

  • Page 61: Etpoint Riorities

    OPTIONAL FEATURES HeatNet Control V3 For Ametek Blowers, the minimum signal to Anytime a new firmware version is uploaded to control the blower will be less than 20%, but the control, these values return to these the display % will be equal to the turndown % defaults.
  • Page 62 OPTIONAL FEATURES HeatNet Control V3 System Pump connections while running: this process is also used in an attempt to re-establish flow. System Flow 2. If PUMP ROTATION is set to PUMP HOURS the Prove Switch PUMP ROTATION will be temporarily set to SYSTEM HOURS.

  • Page 63: Local Pump Options

    OPTIONAL FEATURES HeatNet Control V3 In low volume systems sudden temperature changes may Local Pump Options occur when the flow is stepped up or down by a large percentage. In these situations, the SETTINGS: ADAPTIVE MODULATION: MODULATION MODE may need to be MASTER PUMP/VALVE REMAINS ON: This is a special changed from ADAPTIVE and the ORIGINAL KN method feature of the local circulator pump to prevent deadheading...

  • Page 64: Combustion Air Damper

    OPTIONAL FEATURES HeatNet Control V3 Local & DHW Pump connections A separate/independent 24 VAC source is recommended to be used for the damper prove switch when a common system damper is used. If you use terminal 8 to supply power from the Master and the Master is powered OFF, no boiler will be allowed to fire due to the loss of power through the prove switch.

  • Page 65: Sensors

    OPTIONAL FEATURES HeatNet Control V3 WATER TEMP 180 °F Water temp @ Sensors LOW OATEMP 10 °F outside air temp WATER TEMP 140 °F Water temp @ The H-Net control supports a standard 10K thermistor (Type HIGH OATEMP 70 °F outside air temp ACI/10K-CP).

  • Page 66: Security

    OPTIONAL FEATURES HeatNet Control V3 When the boiler has a heat demand it will not start until the programmed GPM requirement is met. If the boiler is running, it will also stop firing when the GPM falls below the Flow Prove value. In this case the minimum flow is below the required 16 GPM so the boiler will not start.

  • Page 67: Usb Features

    If using Modbus, BACnet, or LonWorks, there are software the display. This does not update the controls firmware. New flag bits in registers available. firmware is posted periodically on Sales Assistant or the RBI Open and shorted sensors are checked continuously, so that in website.

  • Page 68: Communications

    OPTIONAL FEATURES HeatNet Control V3 and lock out due to this current. The only way to reset the Failsafe Requirements Ametek blower due to the over current condition, is to power Since the Member boiler that will be assigned the cycle the boiler.

  • Page 69: Limited Flow Boiler Control Options

    OPTIONAL FEATURES HeatNet Control V3 This mode allows a member boiler to run in LOCAL if Flow Limited Control (BMS) the communications link via the H-NET cable is lost. Boilers Limited Control (BMS) This includes the MASTER boiler losing its Control System Flow Meter board, Communications board, or the power on the The flow settings are used to limit HeatNet’s ability to add...
  • Page 70 OPTIONAL FEATURES HeatNet Control V3 • Determine how many boilers th system will require. • Write to BMS LIMIT BOILERS register 40020 with the # of boilers HeatNet is allowed to control (0 - 16). • If a new boiler # value is not written within 10 minutes, this feature will be deactivated until a new boiler # is written.

  • Page 71: Heatnet Online

    OPTIONAL FEATURES HeatNet Control V3 the system in a date/time format. Also displayed is the HeatNet Online Master boiler log, faults, messages, modulation, and events. To the right of the histogram is the Master Boiler’s log. Since the HeatNet bridge only transmits at 1-minute HeatNet Online is a web-based system for fault notification, intervals, the log can be used to precisely view the state of monitoring and tuning of a HeatNet based system.

  • Page 72: Wiring Connections

    WIRING CONNECTIONS HeatNet Control V3 Wiring Connections Dip Switches and Wiring Wire Strip Length. .42” or 10.67mm. If the terminal blocks are of the screwless type, the wire should be stripped to to .25” or 6.34mm. If the terminal blocks are of the screw type, the wire should be stripped Page 72...
  • Page 73 WIRING CONNECTIONS HeatNet Control V3 Heating Method 1 H-Net, Master/member The (2) LEDs on the RJ45 indicate: GREEN: Transmit Data YELLOW: Received Data HeatNet Boiler to Boiler Communications RJ45 Connection Three Wire connection HeatNet Termination. Enable: Switches DOWN Position. Disable: Switches UP position. Switch shown disabled.
  • Page 74 WIRING CONNECTIONS HeatNet Control V3 Heating Methods 2 and 4: AA-High Fire and High/Low, Master or member boiler Heating Mode 4: High Fire Close this contact to run boiler at Highfire. Heating Mode 2: Stage Control Inputs. T1 or T2 Closed: Lowfire T1 &...
  • Page 75 WIRING CONNECTIONS HeatNet Control V3 Heating Method 3, 4–20mA/ 0-10VDC 24 VDC Return Channel 2: Channel 1: 4-20mA/0-10VDC 4-20mA/0-10VDC 24 VDC S6 along with the SETUP:ADVANCED:4-20mA INPUT menu configures the channel for operation. S6 switch 1 DOWN: 4-20mA channel 1 S6 switch 1 UP: 0-10VDC channel 1 S6 switch 2 DOWN: 4-20mA channel 2...
  • Page 76 WIRING CONNECTIONS HeatNet Control V3 Heating Method 5: MODBUS (Optional BACnet or LonWorks bridge — Protocessor) The (2) LEDs on the RJ45 indicate: GREEN: Transmit Data YELLOW: Received Data RJ45 Cat 5 Modbus Modbus 3 Wire Twisted Pair W/Ground Modbus Termination. Enable: Switches DOWN Position.
  • Page 77 WIRING CONNECTIONS HeatNet Control V3 Relays, Interlocks and Boiler Status The Highest priority SYSTEM FLOW PROVE --------- Low Water Cutoff------------------- Variable Frequency Drive -------- Gas Pressure (High & Low) ----- Spare for user or Factory ------ Operator------------------------------ Water Flow Switch----------------- Factory ------------------------------ Low Voltage Interlocks, 24VAC...
  • Page 78 WIRING CONNECTIONS HeatNet Control V3 Temperature sensors (REQUIRED) Water Temperature INLET (return) of Boiler All Temperature Sensors are 10k Thermistors. (OPTIONAL) Water Temperature Immersion sensors require a well. Common System Supply (Header) IF CONNECTED, BOILER = MASTER (OPTIONAL) DHW Temperature Domestic (REQUIRED) Water Temperature OUT (supply) of Boiler Hot Water Temperature (TANK)
  • Page 79 WIRING CONNECTIONS HeatNet Control V3 Typical Single Boiler System HEADER SENSOR (Determines Master Boiler) #4 SYSTEM PUMP LOCAL PUMP OUTDOOR ENABLE #14 ENABLE #8 DHW TANK SENSOR FLOW PROVE #9 FLOW PROVE AQUASTAT #13 North Away From Exhaust DHW TANK RETURN SUPPLY SENSOR #5*...
  • Page 80 WIRING CONNECTIONS HeatNet Control V3 Using a 4–20mA signal for direct modulation A control signal greater 20mA than 4.2mA (adjustable) will start boiler. Output Range From No Effect Control Control Signal Once boiler starts the control signal must Display input % of control when running drop below 4.01 mA to stop Boiler Percent of Boilers...
  • Page 81 WIRING CONNECTIONS HeatNet Control V3 Common system damper wiring MEMBER BOILER 2 MEMBER BOILER 1 Connection if Member boiler is running as Failsafe MASTER BOILER NOTE: Ensure that the Combustion Air Damper is enabled on all Boilers for use. SETUP MENU:AUX FUNCTIONS DAMPER Prove Switch 24 VAC...
  • Page 82 WIRING CONNECTIONS HeatNet Control V3 Failsafe common system pump wiring MEMBER BOILER 1 120 VAC Return DPST Relay Add additional relays/ contacts for more boilers System Flow Prove Switch 120VAC 120VAC 120 Return MASTER BOILER System Pump Voltage Return System Pump Voltage Feed System Pump System Pump Contactor...

  • Page 83: Home Screen Navigation

    SCREEN DESCRIPTIONS HeatNet Control V3 Home Screen Navigation 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 are used during normal operation of a boiler or boiler system. Page 83...

  • Page 84: Home Screen

    SCREEN DESCRIPTIONS HeatNet Control V3 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 always enter the Home screen. Page 84...

  • Page 85: Heating Mode Messages

    SCREEN DESCRIPTIONS HeatNet Control V3 Home Screen Messages Heating Mode Messages Control Signal An analog control signal on 4-20mA (1) input is controlling fire rate. DHW Tank A DHW thermostat or sensor is being used to fireboiler in a DHW mode Failsafe Boiler in Failsafe mode –...

  • Page 86: Setpoint Source Messages

    SCREEN DESCRIPTIONS HeatNet Control V3 Setpoint Source Messages 0-10VDC Setpoint Settings are configured to allow a 0-10VDC signal to change setpoint. 4-20mA Setpoint Settings are configured to allow a 4-20mA signal to change setpoint. DHW Setpoint The DHW sensor is controlling the setpoint for DHW heating. Local Setpoint Boiler is watching the Local Setpoint.
  • Page 87 SCREEN DESCRIPTIONS HeatNet Control V3 Failsafe: Low DHW The boiler has entered Failsafe mode due to a low DHW temperature. Temperature Failsafe: Low The boiler has entered Failsafe mode due to a low Header temperature. Header Temperature Failsafe: Low The boiler has entered Failsafe mode due to a low Return temperature. Return Temperature Failsafe: Low...
  • Page 88 SCREEN DESCRIPTIONS HeatNet Control V3 Input is Reduced If a stack sensor is used and temp exceeds limits. due to Stack Temperature Minimum off Time The Minimum Off Time has been set on the boiler. During this time the boiler has taken itself is Active offline from the Master.
  • Page 89 SCREEN DESCRIPTIONS HeatNet Control V3 Running The boiler is running and heating water. The Main Valve is open or this is the called for % of input. Running 100% The boiler is calling to run at 100% modulation. Shorted *** The *** indicates the temperature sensor which has shorted.
  • Page 90 SCREEN DESCRIPTIONS HeatNet Control V3 Waiting for This is the Damper proving time when the damper relay closes until the Damper prove interlock closes on J12B.7 & J12B.8. Damper to open Waiting for Flow This is the flow proving period that is in effect when starting the boiler. The pumps/valves would have been called on prior to this message.
  • Page 91 SCREEN DESCRIPTIONS HeatNet Control V3 Master Boiler Status Screen The above screen on the Master boiler displays the start and stop timers that are used to bring on boilers below and shed them above the heating band. When the Header temperature is below the band, the Heat Start Timer (Add Boiler Delay Timer) is started.
  • Page 92 SCREEN DESCRIPTIONS HeatNet Control V3 On the Home screen, information on each boiler can be accessed by pressing a boiler’s button. Pressing any of the Member buttons will bring up a Member’s informational screen. Limited information is Pressing The Master boiler’s button will bring up the available for a Member from the Master boiler, including Master’s information screen.

  • Page 93: Calibration

    ‘X’ key to throw out the setting or the check key to Calibration save. All Faults must be cleared before The calibration of the Encore Series adjustments can be made. boiler should only be performed by a licensed/Certified technician.

  • Page 94: Log Entry

    Setpoint, Return, Header, DHW, Supply and Outside temperatures. The last line displays the Modulation. The Encore Series H-Net control contains a log that records the major activity (events) in the operation of the boiler. This activity includes interlock faults, boiler starting and stopping events, power cycles, misc.

  • Page 95: Control Settings Menu

    DEFAULT SETTINGS & MENU ITEM DESCRIPTIONS HeatNet Control V3 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 red box. The Settings Menu Page 1 will then be displayed.

  • Page 96: Control Settings Menu

    DEFAULT SETTINGS & MENU ITEM DESCRIPTIONS HeatNet Control V3 Control Settings Menu — Page 1 DEFAULT MENU RANGE DESCRIPTION VALUE # OF BOILERS 1-16 If operating as a member. # of first boiler to run, determines the fire order in rotation. A 0 LEAD BOILER # 0-16 disables the Lead Boiler function.
  • Page 97 DEFAULT SETTINGS & MENU ITEM DESCRIPTIONS HeatNet Control V3 If set to YES, the boiler /system shuts down when the temperature WARM WEATHER SD ON/OFF exceeds the WWS SETPOINT. Temperature at which boiler shuts down, operation is below this. If boiler is running using either OA RESET or WWS and the OR °...
  • Page 98 DEFAULT SETTINGS & MENU ITEM DESCRIPTIONS HeatNet Control V3 Priority mode for the system pump while in Warm Weather Shutdown. ON: The system pump is allowed to run in WWS when OVERRIDE ENABLED the OR OVR override input is closed. When set to OFF, the system IN WARM WEATHER ON/OFF pump will not come on while in WWS with the OR OVR override...
  • Page 99 DEFAULT SETTINGS & MENU ITEM DESCRIPTIONS HeatNet Control V3 COMBUST AIR DAMPER The LINKED/COMMON setting allows one common damper to be used and controlled by the Master Boiler. All Member boilers must LINKED/ LINKED/COMMON have their damper prove inputs wired as per Figure 55, Common TYPE COMMON INDEPENDENT...
  • Page 100 DEFAULT SETTINGS & MENU ITEM DESCRIPTIONS HeatNet Control V3 FAULT will stop the boiler when the Delta T has exceeded its setting. ALARM TYPE WARNING FAULT, WARNING WARNING will allow the boiler to continue running, but produce the Warning message. *Settings are AUTO if running DELTA HIGH/LOW protection.
  • Page 101 DEFAULT SETTINGS & MENU ITEM DESCRIPTIONS HeatNet Control V3 PAGE 1 Setting this value to LOCAL or COMBINATION enables the DHW PID. Setting this value to AUTO disables the DHW PID. LOCAL allows the boiler to run in DHW locally off of its own sensor or thermostat input.
  • Page 102 DEFAULT SETTINGS & MENU ITEM DESCRIPTIONS HeatNet Control V3 CYCLE allows the boiler to perform as a space or DHW heating boiler. DHW always has priority and will override (steal) a space heating boiler that is running when none are available to perform DHW heating.
  • Page 103 DEFAULT SETTINGS & MENU ITEM DESCRIPTIONS HeatNet Control V3 This is the maximum runtime of the boiler when DHW heating. MAXIMUM RUNTIME 120 Minutes 0 - 200 Minutes When this runtime is exceeded, the boiler will either Lockout or re- cycle to the Holdoff Time setting below.

  • Page 104: Control Settings Menu

    The local address is the address of a member device. This is HEATNET ADDRESS 2 –16 normally in the range of 2 through 16. But if the Encore Series control is a MASTER, then the default address is 255. The H-NET ADDRESS # is synonymous with boiler #.
  • Page 105 DEFAULT SETTINGS & MENU ITEM DESCRIPTIONS HeatNet Control V3 If the MASTER TYPE is set to COMBINATION, or the DHW BOILER? setting is set to LOCAL or COMBINATION, the MODULAR BOILER SET is duplicated for each PID. Select SPACE HEATING TABS SPACE HEATING to set the ADD, SHED, MODULATE, and DHW HEATING...
  • Page 106 DEFAULT SETTINGS & MENU ITEM DESCRIPTIONS HeatNet Control V3 If MODULATION MODE is set to ADAPTIVE on the Master boiler, the Master lowers the system modulation rate of all currently running boilers before a newly started boiler enters the Main Valve state.
  • Page 107 DEFAULT SETTINGS & MENU ITEM DESCRIPTIONS HeatNet Control V3 This algorithm looks at the size of the band and at what rate the temperature is falling. It then calculates when to start the boiler (knowing its starting time) to ensure the boiler starts within the band. Once the boiler starts, the Add Boiler Delay time starts and continues to expire in and below the band.
  • Page 108 DEFAULT SETTINGS & MENU ITEM DESCRIPTIONS HeatNet Control V3 The first (4) sensor #’s are reserved as: OUTSIDE AIR, water SUPPLY outlet, water RETURN inlet, and system HEADER OUTSIDE, SUPPLY, temperature. If the HEADER sensor is used (TYPEZ), that boiler RETURN, HEADER, SENSOR performs the tasks of the MASTER boiler.
  • Page 109 DEFAULT SETTINGS & MENU ITEM DESCRIPTIONS HeatNet Control V3 Any mix over 10% de-rates the flow by 30% (rule of thumb method). Example: if the LOWEST FLOW = 50 GPM, HeatNet will GLYCOL MIX 0-100% calculate a New Lowest Flow required to be 65 GPM. The LOWEST FLOW does not need to be changed but is calculated to 65 GPM and that value is used by HeatNet.
  • Page 110 HIGH Check the revision history sheet on the website. MODEL AND This is the boiler turndown. For the Encore Series, the default is 5:1 TURNDOWN FUEL 3:1-10:1 and determines the minimum firing percentage. The model size and DEPENDANT fuel type will determine the maximum turndown.
  • Page 111 DEFAULT SETTINGS & MENU ITEM DESCRIPTIONS HeatNet Control V3 Setting this value will increase or decrease the PID control. PID Control 2-10 Both Space heating and DHW heating have separate PID controls designed to match each individual load. Page 111...

  • Page 112: Control Settings Menu

    DEFAULT SETTINGS & MENU ITEM DESCRIPTIONS HeatNet Control V3 Control Settings Menu — Page 3 If the OK button is pressed, the factory set MIN, IGNITION, and CONFIRM BOX MAXIMUM blower rates will be loaded If the OK button is pressed the factory default setting for all menus CONFIRM BOX are loaded.

  • Page 113: Control Settings Menu

    DEFAULT SETTINGS & MENU ITEM DESCRIPTIONS HeatNet Control V3 ON-BOARD The settings can be restored from being saved at an earlier time. ON-BOARD RESTORE SETTINGS MEMORY - USB This is useful when the settings have been incorrectly changed by an MEMORY DRIVE unknown source, a factory reset, or a firmware update is performed.
  • Page 114 DEFAULT SETTINGS & MENU ITEM DESCRIPTIONS HeatNet Control V3 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 the USB drive and plugged into the front panel of the boiler.
  • Page 115 DEFAULT SETTINGS & MENU ITEM DESCRIPTIONS HeatNet Control V3 The IOM Manual button when pressed, loads the Display firmware release PDF of the Boiler’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 wiring diagrams of the boiler for the Display firmware release.
  • Page 116 HeatNet Control V3 MODBUS Communications The Encore Series boiler can be controlled using Modbus commands to Enable/Disable the boiler/system. A connection to the Console Modbus Port on the Communications board is required. The Master Boiler assumes the role of MEMBER, RTU, 192Kb, 8 bits, Even Parity, 1 stop bit, when connected to a BMS (Building Management System).
  • Page 117 MODBUS COMMUNICATIONS HeatNet Control V3 MODBUS Input/Output Variables (Read/Write) Address Name Raw Data Type Scale Description Valid Values/Range 0 (January) - 11 40010 SetMonth 8 bit unsigned Set real time clock – month (see SetClock) (December) 40011 SetDay 8 bit unsigned 1 –...
  • Page 118 MODBUS COMMUNICATIONS HeatNet Control V3 MODBUS Input Variables (Read Only) Raw Data Address Name Scale Description Valid Values/Range Type 30010 8 bit unsigned Real time clock day. 1 – 31 30011 Year 8 bit unsigned Real time clock year. 0 – 99 30012 Hour 8 bit unsigned...
  • Page 119 MODBUS COMMUNICATIONS HeatNet Control V3 MODBUS Input Variables (Read Only) Raw Data Address Name Scale Description Valid Values/Range Type 30049 Boiler01RuntimeLow16 30050 Boiler02RuntimeHigh16 30051 Boiler02RuntimeLow16 30052 Boiler03RuntimeHigh16 30053 Boiler03RuntimeLow16 30054 Boiler04RuntimeHigh16 30055 Boiler04RuntimeLow16 30056 Boiler05RuntimeHigh16 30057 Boiler05RuntimeLow16 Boiler (1 – 16) Runtime seconds High 30058 Boiler06RuntimeHigh16 (Upper) and Low (Lower) 16 bit...
  • Page 120 MODBUS COMMUNICATIONS HeatNet Control V3 MODBUS Input Variables (Read Only) Raw Data Address Name Scale Description Valid Values/Range Type 30088 Boiler09Status3 30089 Boiler10Status3 30090 Boiler11Status3 30091 Boiler12Status3 30092 Boiler13Status3 30093 Boiler14Status3 30094 Boiler15Status3 30095 Boiler16Status3 ----- The following registers are available starting in firmware version 2.0 ----- 30096 Boiler01SupplyTemp 30097...
  • Page 121 MODBUS COMMUNICATIONS HeatNet Control V3 MODBUS Input Variables (Read Only) Raw Data Address Name Scale Description Valid Values/Range Type 30126 Boiler15ReturnTemp 30127 Boiler16ReturnTemp 30128 Boiler01CyclesHigh16 30129 Boiler01CyclesLow16 30130 Boiler02CyclesHigh16 30131 Boiler02CyclesLow16 30132 Boiler03CyclesHigh16 30133 Boiler03CyclesLow16 30134 Boiler04CyclesHigh16 30135 Boiler04CyclesLow16 30136 Boiler05CyclesHigh16 30137 Boiler05CyclesLow16...
  • Page 122 MODBUS COMMUNICATIONS HeatNet Control V3 MODBUS Input Variables (Read Only) Raw Data Address Name Scale Description Valid Values/Range Type 30165 Boiler06Status4 30166 Boiler07Status4 30167 Boiler08Status4 30168 Boiler09Status4 30169 Boiler10Status4 30170 Boiler11Status4 30171 Boiler12Status4 30172 Boiler13Status4 30173 Boiler14Status4 30174 Boiler15Status4 30175 Boiler16Status4 30176 …...
  • Page 123 MODBUS COMMUNICATIONS HeatNet Control V3 MODBUS Input Variables (Read Only) Raw Data Address Name Scale Description Valid Values/Range Type 30233 Boiler10Modulation 30234 Boiler11Modulation 30235 Boiler12Modulation 30236 Boiler13Modulation 30237 Boiler14Modulation 30238 Boiler15Modulation 30239 Boiler16Modulation This is the current operating or active setpoint.
  • Page 124 MODBUS COMMUNICATIONS HeatNet Control V3 MODBUS Input Variables (Read Only) Raw Data Address Name Scale Description Valid Values/Range Type 30373 Boiler5LocalFlow 30374 Boiler6LocalFlow 30375 Boiler7LocalFlow 30376 Boiler8LocalFlow 30377 Boiler9LocalFlow 30378 Boiler10LocalFlow 30379 Boiler11LocalFlow 30380 Boiler12LocalFlow 30381 Boiler13LocalFlow 30382 Boiler14LocalFlow 30383 Boiler15LocalFlow 30384 Boiler16LocalFlow...
  • Page 125 MODBUS COMMUNICATIONS HeatNet Control V3 MODBUS — BoilerStatus2 Flags Description Valid Values/Range Disabled – boiler is offline 0 = enabled, 1 = disabled For instance: Minimum off Time, Flow, Local Override, Calibrate etc. Heat Demand 0 = no demand, 1 = demand (1) Alarm An alarm or warning condition has occurred.
  • Page 126 MODBUS COMMUNICATIONS HeatNet Control V3 MODBUS — BoilerStatus3 Flags 0 = off, 1 = on Obsolete 0 = off, 1 = on Obsolete 0 = off, 1 = on reserved for future use reserved for future use reserved for future use reserved for future use reserved for future use reserved for future use...
  • Page 127 MODBUS COMMUNICATIONS HeatNet Control V3 BoilerStatus4 Flags Description Valid Values/Range DHW Enabled (1) 0 = off, 1 = on (menu) DHW Mode had been enabled in the menus. Combustion Air Damper Prove (1) 0 = not proven, 1 = proven Status of Combustion Air Damper Prove Input J12B Call Service Fault 0 = off, 1 = on...
  • Page 128 WORKSHEET HeatNet Control V3 REV 1.x 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 °...
  • Page 129 WORKSHEET HeatNet Control V3 PUMP/VALVE OPTION REMAINS ON: LOCAL PUMP VFD FLOW PROVE NIGHT SETBACK SETBACK ENTRY ENTRY IS SETBACK ° ° ° ° SETBACK TIME START DAY TIME END DAY TIME OPTIONS TEMP SCALE ° KEY CLICK SKIP PASSWORD BRIGHTNESS LOG/ RUNTIME RUN HOURS...
  • Page 130 WORKSHEET HeatNet Control V3 MAXIMUM RUNTIME DOMESTIC HOT WATER DHW BOILER? DHW SETPOINT LOWER DHW DIFF UPPER DHW DIFF DHW PRIORITY? POST PURGE USE SENSOR? SHARING LOCAL PUMP OFF LOCAL DELAY PURGE TO THE HYB SENSOR: MAX RUNTIME HOLDOFF TIME PUMP ALWAYS ON SYSTEM CLOCK ADVANCED SETUP...
  • Page 131 WORKSHEET HeatNet Control V3 SET: STOP PRIORITY 1 SET: MIN RUNTIME MIN OFF TIME FIRING PRIORITY PREDICT START BASE LOADING BASE LOAD BOILERS: START > MOD STOP DELAY TIME SENSORS SENSOR # OUTDSIDE SUPPLY R E T U R N H E A D E R DHW TYPE 4-20mA INPUT ANALOG IN CHANNEL:...
  • Page 132 WORKSHEET HeatNet Control V3 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 SETTINGS MINIMUM (%) IGNITION (%) MAXIMUM (%) Page 132...
  • Page 133 Type II Thermistor Resistance/Temperature Table Temp C Temp F Resistance Temp C Temp F Resistance 336,450 2,488 242,660 2,083 176,960 1,752 130,410 1,479 97,072 1,255 72,951 1,070 55,326 915.4 43,326 786.6 32,650 678.6 25,391 587.6 19,899 510.6 15,711 445.2 12,492 389.6 10,000 341.9...
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  • Page 136 260 North Elm Street 7555 Tranmere Drive Westfield, MA 01085 Mississauga, Ontario L5S 1L4 Canada Phone: (833) 265-5371 Phone: (905) 670-5888 Fax: (413) 568-9613 Fax: (905) 670-5782 www.rbiwaterheaters.com...

This manual is also suitable for:

Encore rb350Encore rb400Encore rb500Encore rb600Encore rb725Encore rb850

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