RBI FlexCore CK 6000 User Manual

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is manual is intended only for use by a qualied 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. e 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.
A x these instructions near to the boiler. Instruct the building owner to retain the instructions for future use by a qualied
service technician, and to follow all guidelines in the User’s Information Manual.
Copyright 201 Mestek, Inc.

RBI FlexCore CK 6000 Specifications

General

Brand	RBI
Model	FlexCore CK 6000
Category	Boiler
Language	English

Summary

Introduction

The FlexCore CK-Series V3 HeatNet Control

Overview of the FlexCore CK-Series boiler control and its integrated management system.

Specifications

SETUP & OPERATION

Basic Multi Boiler System Operation

Guidelines for setting up and operating multi-boiler systems.

Mixed Boiler Types Using Priority Sets

Method for controlling mixed boiler types using priority settings.

CONTROL METHODS

Heating Control Methods

Overview of the five methods for controlling FlexCore CK-Series boilers.

Operating Limit

Domestic Hot Water Methods

DHW Method 1: DHW Heating ONLY using a DHW MASTER and Member Boiler(s) Employing H-Net

Configuration for DHW heating only using H-Net master and member boilers.

DHW Method 2: Failsafe Combination DHW and Space Heating with a MASTER Boiler and Member Boilers Utilizing Valves

Failsafe combination of DHW and space heating using master/member boilers with valves.

OPTIONAL FEATURES

DHW Method 6: DHW using Direct Control

Base Loading, Relay Control

Using the 4-20 mA input (OPTIONAL)

Utilizing the 4-20 mA input for remote setpoint control and modulation.

Outdoor Reset

HeatNet Online

Web-based system for fault notification, monitoring, and tuning.

CALIBRATION

Calibration

Procedure for adjusting MINIMUM, MAXIMUM, and IGNITION settings.

LOG ENTRY

Log Entry

How the control log records activity and is used for troubleshooting.

DEFAULT SETTINGS & MENU ITEM DESCRIPTIONS

CONTROL SETTINGS MENU— PAGE 1

CONTROL SETTINGS MENU— PAGE 2

CONTROL SETTINGS MENU — PAGE 3

MODBUS COMMUNICATIONS

MODBUS Communications

Controlling the boiler via Modbus commands and BMS integration.