Roberts Gorden CRV-B-9 service manual Roberts-Gordon LLC

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TABLE OF CONTENTS

SECTION 1: Concept

1

SECTION 10: ROBERTS GORDON® ULTRAVAC™ Design

 

SECTION 2: The CRV-Series System

2

Requirements

31

2.1

Safety

2

SECTION 11: CRV-Series Equipment Specifications

32

2.2

Zero Regulator

2

11.1 Burner and Burner Controls

32

2.3

Fuel Savings and Comfort

4

11.2 Equipment

32

SECTION 3: Clearances to Combustibles

5

 

 

3.1

Required Clearances to Combustibles

5

 

 

SECTION 4: Sizing and Design Considerations

9

 

 

4.1

Radiant Adjustment to Heat Loss

9

 

 

4.2

Radiant Height Adjustment Factor

9

 

 

4.3

Selecting the Burners

10

 

 

4.4

Radiant Distribution

10

 

 

SECTION 5: Flow Loading

12

 

 

5.1

Radiant Branch Flow

12

 

 

5.2

Pump Capacity

14

 

 

5.3

Tailpipe Flow

14

 

 

SECTION 6: Radiant Tube and Tailpipe

15

 

 

6.1

Radiant Tube Length

15

 

 

6.2

Tailpipe

15

 

 

6.3

Design Parameters

16

 

 

6.4

CRV-Series Design Methods

16

 

 

6.5

Tailpipe Design Method

18

 

 

SECTION 7: Example CRV-Series System Layouts

21

 

 

7.1 Example System Layout (Option 1)

21

 

 

7.2 Example System Layout (Option 2)

22

 

 

7.3 Example System Layout (Option 3)

22

 

 

7.4 Example System Layout (Option 4)

23

 

 

7.5 Example System Layout (Option 5)

23

 

 

7.6 Example System Layout (Option 6)

24

 

 

7.7 Example System Layout (Option 7, 8 and 9)

25

 

 

SECTION 8: Control Methods

26

 

 

8.1 ROBERTS GORDON® System Control

26

 

 

8.2 ROBERTS GORDON® ULTRAVAC™

26

 

 

8.3

CORAYVAC® Modulating Controls

26

 

 

8.4

SPST Transformer Relay Kit (P/N 90417600K)

27

 

 

8.5

SPDT Transformer Relay (P/N 90436300)

27

 

 

8.6

Pressure Switch

27

 

 

SECTION 9: Air Supply System

28

 

 

9.1

Pressurized

28

 

 

9.2

Non-Pressurized

28

 

 

9.3

Outside Air System Design Requirements

28

 

 

There are references in this manual to various trademarks. All trademarks mentioned herein, whether registered or not, are the property of their respective owners. Roberts-Gordon LLC is not sponsored by or affiliated with any of the trademark or registered trademark owners, and make no representations about them, their owners, their products or services. Roberts-Gordon LLC is not sponsored by or affiliated with BACnet®, LonWorks®or MODBUS®.

©2012 Roberts-Gordon LLC

All rights reserved. No part of this work covered by the copyrights herein may be reproduced or copied in any form or by any means - graphic, electronic, or mechanical, including photocopying, recording, taping or information storage and retrieval systems - without the written permission of Roberts-Gordon LLC.

Printed in U.S.A.

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Contents Design Manual Page Roberts-Gordon LLC Page Table of Figures Page Concept Safety CRV-SERIES SystemZero Regulator Assembly Overview Two Branch System Shown Fuel Savings and Comfort Clearances to combustibles at all times for safety ONE Side Reflector Standard ReflectorUniversal SHIELD, Position Foot Deco Grille Example Radiant Adjustment to Heat LossRadiant Height Adjustment Factor Sizing and Design ConsiderationsRadiant Distribution Increased Coverage Selecting the BurnersRadiant Distribution Radiant Distribution Average Coverage= mounting height Radiant Branch Flow Flow LoadingBurner Flow Units Pump Capacity Tailpipe FlowPump Exhaust Length Requirements Maximum Radiant Tube Length Radiant Tube and TailpipeRadiant Tube Length Minimum Radiant Tube LengthFlow Units Per Branch Design ParametersPump Model Series Maximum Loading CRV-Series Design MethodsAllowable Tailpipe Lengths Burner Model After Each BurnerTo Calculate the Total System Tailpipe Tailpipe Design MethodRule of Thumb Unshared Calculations System with EP-300 Series PumpDamper Couplings Possible Damper Coupling Locations Example System Layout Option Example CRV-SERIES System Layouts12 m 10 3 m 20 6 m 12 m Tailpipe 10 3 m 100 30 m Example System Layout Option 7, 8 Corayvac Modulating Controls Control MethodsRoberts Gordon System Control Roberts Gordon UltravacSpst Transformer Relay Kit P/N 90417600K Analog Signal Modulating ThermostatMS/TP Wiring Pressure SwitchPressurized Systems AIR Supply SystemPressurized Non-PressurizedPipe sizing Duct Design RulesBlower P/N 90707501K Performance 112 Flow Units Sample Layout for Pressurized Outside Air Systems Roberts Gordon Ultravac Design Requirements CRV-SERIES Equipment Specifications
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CRV-B-9 specifications

The Roberts Gordon CRV-B-9 is a state-of-the-art infrared radiant heater designed for industrial and commercial heating applications. Renowned for its efficiency and effectiveness, the CRV-B-9 represents a significant advancement in the world of space heating solutions.

One of the main features of the CRV-B-9 is its advanced infrared technology, which allows for precise heating without the necessity of warming the entire space. This targeted heating provides immediate comfort, as it directly warms objects and people rather than the air around them, making it particularly effective in large warehouses, manufacturing facilities, and retail spaces.

The heater boasts an impressive output of up to 80,000 BTUs, making it suitable for a wide range of applications. It utilizes natural gas as fuel, which contributes to its efficiency and cost-effectiveness. With a robust design and durable construction, the CRV-B-9 is built to withstand the rigors of industrial environments while ensuring a long product lifespan.

Another significant characteristic of the CRV-B-9 is its ability to integrate with advanced control systems. This includes compatibility with programmable thermostats and energy management systems, allowing for optimized temperature control and reduced energy consumption. The heater can be adjusted to suit different operational needs, making it a flexible solution for various heating scenarios.

The CRV-B-9 also features a compact design, allowing for easy installation in a variety of spaces. Its low-profile shape and modular capability enable users to arrange multiple units to achieve the desired heating coverage without compromising floor space, a crucial aspect for busy, high-traffic areas.

Safety is a priority with the CRV-B-9, which is equipped with various safety features such as a flame safety cutoff switch and over-temperature protection. These mechanisms ensure safe operation, providing peace of mind for users in demanding environments.

In summary, the Roberts Gordon CRV-B-9 infrared radiant heater stands out for its innovative technology, impressive output, energy efficiency, and safety features. Its flexibility and robust design make it an ideal choice for businesses looking to enhance comfort while minimizing energy costs. Whether in a manufacturing plant or a retail outlet, the CRV-B-9 provides a reliable and effective heating solution.
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