RBI FlexCore CK 5000 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 5000 Specifications

General

Brand	RBI
Model	FlexCore CK 5000
Category	Boiler
Language	English

Summary

Introduction

The FlexCore CK-Series V3 HeatNet Control

Overview of the FlexCore CK-Series V3 HeatNet control system.

Features & Specifications

Specifications

SETUP & OPERATION

Basic Multi Boiler System Operation

Step-by-step guide for initial setup of a multi-boiler system.

Mixed Boiler Types Using Priority Sets

CONTROL METHODS

Heating Control Methods

Overview of different strategies for controlling heating operations.

Input Priorities

Describes the hierarchy and logic of different control input signals.

Domestic Hot Water Methods

Various methods for controlling domestic hot water heating.

OPTIONAL FEATURES

Base Loading, Relay Control

Using the 4-20 mA input (OPTIONAL)

Failsafe Modes

Critical modes for system protection and operational continuity.

Limited Flow Boiler Control Options

Diagnostics

FlexCore Multi Heat Exchangers

HeatNet Online

WIRING CONNECTIONS

Heating Method Wiring

SCREEN DESCRIPTIONS

Home Screen

Detailed description of the main interface, including temperature graphs and status.

Master Boiler Status Screen

CALIBRATION

Calibration with Multiple Heat Exchangers

LOG ENTRY

DEFAULT SETTINGS & MENU ITEM DESCRIPTIONS

CONTROL SETTINGS MENU— PAGE 1

Access to the first page of primary system configuration settings.

CONTROL SETTINGS MENU— PAGE 2

Access to the second page of advanced system configuration settings.

Modular Boiler

Adaptive Modulation

Firing Mode

Base Loading

CONTROL SETTINGS MENU — PAGE 3

Access to firmware updates, calibration, and reset options.

MODBUS COMMUNICATIONS

MODBUS Input/Output Variables (Read/Write)

MODBUS Input Variables (Read Only)