RBI FlexCore CK 850 Control Manual

Also see for FlexCore CK 1000: Installation and operation instructions

Contents

RBI FlexCore CK 850 Control Manual Manual pdf 3 page image

TABLE OF CONTENTS HeatNet Control V3Page 3TABLE OF CONTENTSTABLE OF CONTENTS ......................................................................................................................... 3Introduction .......................................................................................................................................... 6THE FLEXCORE CK -SERIES V3 HEATNET CONTROL .........................................................................................................................6Features & Specifications ................................................................................................................... 8STANDARD FEATURES OVERVIEW .....................................................................................................................................................8Specifications ..................................................................................................................................... 10Components & Accessories .............................................................................................................. 11PART NUMBER ..............................................................................................................................................................................11SETUP & OPERATION ....................................................................................................................... 12BASIC MULTI BOILER SYSTEM OPERATION .......................................................................................................................................12MIXED BOILER TYPES USING PRIORITY SETS ...................................................................................................................................13MIXED BOILER SYSTEM OPERATION ................................................................................................................................................14START/STOP PRIORITY CONDITIONS ...............................................................................................................................................16SELECTING MIXED BOILERS ...........................................................................................................................................................17MIXED SYSTEM TYPE 1: HIGH SYSTEM TURNDOWN .........................................................................................................................17MIXED SYSTEM TYPE 2: CONDENSING/NON-CONDENSING .................................................................................................................20Heating Control Methods ................................................................................................................... 24HEATING METHOD 1 ......................................................................................................................................................................24HEATING METHOD 2 ......................................................................................................................................................................24HEATING METHOD 3 ......................................................................................................................................................................24HEATING METHOD 4 ......................................................................................................................................................................24HEATING METHOD 5 ......................................................................................................................................................................24OPERATING LIMIT ..........................................................................................................................................................................24INPUT PRIORITIES ..........................................................................................................................................................................25HEATING METHOD 1 HEAT DEMAND ............................................................................................................................................25HEATING METHOD 2 STAGE CONTROL T1-T2 ................................................................................................................................26HEATING METHOD 3 4-20 MA CONTROL ..........................................................................................................................................26HEATING METHOD 4 AA INPUT........................................................................................................................................................27HEATING METHOD 5 MODBUS COMMUNICATIONS ...........................................................................................................................27Domestic Hot Water Methods............................................................................................................ 28DHW METHOD 1: DHW HEATING ONLY USING A DHW MASTER AND MEMBER BOILER(S) EMPLOYING H-NET ....................................29DHW METHOD 2: FAILSAFE COMBINATION DHW AND SPACE HEATING WITH A MASTER BOILER AND MEMBER BOILERS UTILIZINGVALVES (MASTER TYPE: COMBINATION).........................................................................................................................................33DHW METHOD 2: FAILSAFE COMBINATION DHW AND SPACE HEATING WITH A MASTER BOILER AND MEMBER BOILERS UTILIZING PUMPS(MASTER TYPE: COMBINATION) .....................................................................................................................................................35DHW METHOD 3: DHW HEATING ONLY, USING A HEADER SENSOR INPUT ..........................................................................................40DHW METHOD 4A: SPACE HEATING WITH DHW OVERRIDE OF SETPOINT ON MASTER, USING AN AQUASTAT .........................................43DHW METHOD 4B: SPACE HEATING WITH DHW OVERRIDE OF SETPOINT ON MASTER, USING A DHW 10K TANK SENSOR .....................46DHW METHOD 5A: LOCAL DHW TANK HEATING USING A 10K TANK SENSOR. .....................................................................................49DHW METHOD 5B: LOCAL DHW TANK HEATING USING A THERMOSTAT & HYBRID SENSOR. ................................................................53DHW METHOD 6: DHW USING DIRECT CONTROL .........................................................................................................................55