RBI HEATNET 3.0 Torus Series

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TABLE OF CONTENTS HeatNet Control V3

Page 5

MODBUS Communications ............................................................................................................. 117

Worksheet ......................................................................................................................................... 129

Type II Thermistor Resistance/Temperature Table ........................................................................ 134

Main Page

Table of Contents3
Introduction6
The Torus Series V3 Heat Net Control6
Features & Specifications8
Standard Features Overview8
Specifications10
Components & Accessories11
Part Number11
Setup & Operation12
Basic Multi Boiler System Operation12
Mixed Boiler Types Using Priority Sets13
Mixed Boiler System Operation13
Start/Stop Priority Conditions16
Selecting Mixed Boilers17
Mixed System Type 1: High System Turndown17
Mixed System Type 2: Condensing/Non-Condensing20
Heating Control Methods24
Heating Method 124
Heating Method 224
Heating Method 324
Heating Method 424
Heating Method 524
Operating Limit24
Input Priorities25
Heating Method 1 Heat Demand25
Heating Method 2 Stage Control T1-T225
Heating Method 3 4-20 M a Control27
Aa Input27
Modbus Communications27
Domestic Hot Water Methods28
DHW Method 1: DHW Heating ONLY Using a DHW MASTER and Member Boiler(S) Employing H-Net30
DHW Method 2: Failsafe Combination DHW and Space Heating with a MASTER Boiler and Member Boilers Utilizing Valves (Master Type: Combination)34
DHW Method 2: Failsafe Combination DHW and Space Heating with a MASTER Boiler and Member Boilers Utilizing Pumps (Master Type: Combination)36
DHW Method 3: DHW Heating Only, Using a Header Sensor Input41
DHW Method 4A: Space Heating with DHW Override of Setpoint on Master, Using an Aquastat44
DHW Method 4B: Space Heating with DHW Override of Setpoint on Master, Using a DHW 10K Tank Sensor47
DHW Method 5A: Local DHW Tank Heating Using a 10K Tank Sensor50
DHW Method 5B: Local DHW Tank Heating Using a Thermostat & Hybrid Sensor54
Dhw Method 6: Dhw Using Direct Control56
Dhw Maximum Runtime56
Base Loading, Relay Control57
Using the 4-20Ma Input (OPTIONAL)60
Setpoint Priorities61
Circulator Pump Options61
Local Pump Options63
Combustion Air Damper64
Outdoor Reset64
Sensors65
Stack Temperature65
Local Flow Sensor65
Security66
Save/Restore Configuration Settings66
USB Features67
Diagnostics67
Blower Protection68
Communications68
Failsafe Modes68
Failsafe Requirements68
Limited Flow Boiler Control Options69
Heatnet Online72
Wiring Connections73
Home Screen Navigation84
Home Screen85
Home Screen Messages86
Heating Mode Messages86
Setpoint Source Messages87
General Messages87
Calibration94
Log Entry95
Control Settings Menu96
Control Settings Menu97
Control Settings Menu105
Control Settings Menu113
Control Settings Menu114

RBI HEATNET 3.0 Torus Series - Page 5

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