TABLE OF CONTENTS
Page 3
Table of Contents
TABLE OF CONTENTS .............................................................................................................................. 3
Introduction ................................................................................................................................................ 5
THE FUTERA III/FUSION-SERIES V3 HEATNET CONTROL ....................................................................................................................... 5
Features & Specifications ......................................................................................................................... 7
STANDARD FEATURES OVERVIEW ........................................................................................................................................................ 7
Specifications ............................................................................................................................................ 9
Components & Accessories ................................................................................................................... 10
Setup & Operation ................................................................................................................................... 11
BASIC MULTI BOILER SYSTEM OPERATION.......................................................................................................................................... 11
MIXED BOILER TYPES USING PRIORITY SETS ..................................................................................................................................... 12
MIXED BOILER SYSTEM OPERATION ................................................................................................................................................... 12
START/STOP PRIORITY CONDITIONS .................................................................................................................................................. 14
SELECTING MIXED BOILERS .............................................................................................................................................................. 15
MIXED SYSTEM TYPE 1: HIGH SYSTEM TURNDOWN ............................................................................................................................ 15
MIXED SYSTEM TYPE 2: CONDENSING / NON-CONDENSING .................................................................................................................. 18
Heating Control Methods ........................................................................................................................ 22
HEATING METHOD 1 ......................................................................................................................................................................... 22
HEATING METHOD 2 ......................................................................................................................................................................... 22
HEATING METHOD 3 ......................................................................................................................................................................... 22
HEATING METHOD 4 ......................................................................................................................................................................... 22
HEATING METHOD 5 ......................................................................................................................................................................... 22
OPERATING LIMIT ............................................................................................................................................................................. 22
INPUT PRIORITIES ............................................................................................................................................................................ 22
HEATING METHOD 1 HEAT DEMAND .............................................................................................................................................. 23
HEATING METHOD 2 STAGE CONTROL T1-T2 ................................................................................................................................... 23
HEATING METHOD 3 4-20MA CONTROL ............................................................................................................................................. 24
HEATING METHOD 4 AA INPUT .......................................................................................................................................................... 24
HEATING METHOD 5 MODBUS COMMUNICATIONS .............................................................................................................................. 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) EMPLOYING H-NET .................................. 30
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 INPUT ........................................................................................... 40
DHW METHOD 4A: SPACE HEATING WITH DHW OVERRIDE OF SETPOINT ON MASTER, USING AN AQUASTAT ......................................... 43
DHW METHOD 4B: SPACE HEATING WITH DHW OVERRIDE OF SETPOINT ON MASTER, USING A DHW 10K TANK SENSOR ..................... 46
DHW METHOD 5A: LOCAL DHW TANK HEATING USING A 10K TANK SENSOR. ....................................................................................... 49
DHW METHOD 5B: LOCAL DHW TANK HEATING USING A THERMOSTAT & HYBRID SENSOR. ................................................................... 53
DHW METHOD 6: DHW USING DIRECT CONTROL (NOT PREFERRED) ................................................................................................. 55
Using the 4-20mA input (OPTIONAL) ..................................................................................................... 55
SETPOINT PRIORITIES ....................................................................................................................................................................... 57
Circulator Pump Options ........................................................................................................................ 57
Local Pump Option .................................................................................................................................. 59
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