Universal SHIELD, Position | Roberts Gorden CRV-B-6, CRV-B-8

SECTION 3: CLEARANCES TO COMBUSTIBLES

NOTE: 1. All dimensions are from the surfaces of all tubes, couplings, elbows, tees and crosses.

2.Clearances B, C and D can be reduced by 50% after 25' (7.5 m) of tubing downstream from where the combustion chamber and the tube connect.

FIGURE 5: UNIVERSAL SHIELD, POSITION 1

																																					(inches)				(centimeters)
																																		Model		A	B	C	D	A	B	C	D
																																		CRV-B-2		4	12	12	12	11	31	31	31
																																		CRV-B-2		4	12	12	12	11	31	31	31
			A																															CRV-B-4		4	12	12	12	11	31	31	31
																																		CRV-B-4		4	12	12	12	11	31	31	31

																																		CRV-B-6		4	12	12	12	11	31	31	31
																																		CRV-B-6		4	12	12	12	11	31	31	31
																																		CRV-B-8		4	12	12	12	11	31	31	31

																																		CRV-B-9		8	18	24	18	21	46	61	46
			C									B														D
			C									B														D
																																		CRV-B-10		8	18	24	18	21	46	61	46
																																		CRV-B-10		8	18	24	18	21	46	61	46

																																		CRV-B-12		8	18	24	18	21	46	61	46
																																		CRV-B-12A		8	18	24	18	21	46	61	46


FIGURE 6: UNIVERSAL SHIELD, POSITION 2

																																					(inches)				(centimeters)
																																		Model		A	B	C	D	A	B	C	D
																																		CRV-B-2		4	24	48	24	11	61	122	61
																																		CRV-B-2		4	24	48	24	11	61	122	61
				A																														CRV-B-4		4	24	48	24	11	61	122	61
																																		CRV-B-4		4	24	48	24	11	61	122	61

																																		CRV-B-6		4	24	48	24	11	61	122	61
																																		CRV-B-6		4	24	48	24	11	61	122	61
																																		CRV-B-8		4	24	48	24	11	61	122	61
																																		CRV-B-9		4	36	48	36	11	92	122	92
														B													D							CRV-B-9		4	36	48	36	11	92	122	92
				C																														CRV-B-10		4	36	48	36	11	92	122	92
																																		CRV-B-10		4	36	48	36	11	92	122	92

																																		CRV-B-12		4	36	48	36	11	92	122	92
																																		CRV-B-12		4	36	48	36	11	92	122	92
																																		CRV-B-12A		4	36	48	36	11	92	122	92


FIGURE 7: UNIVERSAL SHIELD, POSITION 3

																																					(inches)				(centimeters)
																																		Model		A	B	C	D	A	B	C	D
																																		Model		A	B	C	D	A	B	C	D

																																		CRV-B-2		4	12	56	30	11	31	143	77
						A																												CRV-B-2		4	12	56	30	11	31	143	77
																																		CRV-B-4		4	12	56	30	11	31	143	77
																																		CRV-B-4		4	12	56	30	11	31	143	77

																																		CRV-B-6		4	12	56	30	11	31	143	77
																																		CRV-B-8		4	12	56	30	11	31	143	77



																																		CRV-B-9		8	12	60	42	21	31	153	107
						C								B														D
						C								B														D

																																		CRV-B-10		8	12	60	42	21	31	153	107
																																		CRV-B-10		8	12	60	42	21	31	153	107

																																		CRV-B-12		8	12	60	42	21	31	153	107
																																		CRV-B-12A		8	12	60	42	21	31	153	107

7

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Roberts Gorden CRV-B-6, CRV-B-8, CRV-B-2, CRV-B-4 service manual Universal SHIELD, Position

CRV-B-4, CRV-B-2, CRV-B-6, CRV-B-8 specifications

Roberts Gorden is renowned for its innovative heating solutions, particularly the CRV series of infrared radiant heaters, which include models CRV-B-2, CRV-B-4, CRV-B-6, and CRV-B-8. These heaters are designed to provide effective and efficient heating, making them ideal for various industrial, commercial, and agricultural applications.

One of the standout features of the Roberts Gorden CRV series is its advanced infrared heating technology. Unlike conventional heating systems that heat the air, infrared heaters warm objects and people directly, allowing for a more energy-efficient and comfortable environment. This makes the CRV series particularly effective in large spaces, such as warehouses, manufacturing facilities, and greenhouses.

The CRV-B models are engineered for versatility and can be mounted in various configurations, including horizontal and vertical placements, providing installation flexibility. Each model is available in different sizes and heating outputs, ensuring that users can select a unit tailored to their specific heating requirements. The CRV-B-2, for instance, is ideal for smaller spaces, while the CRV-B-8 offers higher power for larger areas.

Moreover, these heaters come equipped with advanced control systems that allow for precise temperature regulation. The units can be integrated with building management systems, enabling users to monitor and adjust settings remotely. This feature not only enhances comfort but also contributes to energy savings, as the heaters can be programmed to operate only during necessary hours.

Structural durability is another significant characteristic of the CRV series. Constructed with high-quality materials, the heaters are designed to withstand the rigors of industrial environments while maintaining optimal performance over time. The reflective surfaces enhance heat distribution, ensuring that warmth is evenly distributed throughout the space.

Safety is paramount with Roberts Gorden’s CRV heaters. They are designed with built-in safety mechanisms, including overheat protection and automatic shut-off features to prevent accidents.

Overall, the Roberts Gorden CRV-B-2, CRV-B-4, CRV-B-6, and CRV-B-8 models exemplify cutting-edge infrared heating technology, delivering effective, efficient, and reliable heating solutions tailored to diverse applications. With a combination of flexibility, advanced control capabilities, and safety features, these heaters are an excellent choice for anyone in need of powerful heating solutions.

Contents

Design Manual Page Roberts-Gordon LLC Page Table of Figures Page Concept CRV-SERIES System SafetyZero Regulator Assembly Overview Two Branch System Shown Fuel Savings and Comfort Clearances to combustibles at all times for safety ONE Side Reflector Standard Reflector Universal SHIELD, Position Foot Deco Grille Radiant Height Adjustment Factor Radiant Adjustment to Heat LossSizing and Design Considerations Example Radiant Distribution Selecting the BurnersRadiant Distribution Average Coverage Radiant Distribution Increased Coverage = mounting height Radiant Branch Flow Flow Loading Burner Flow Units Tailpipe Flow Pump CapacityPump Exhaust Length Requirements Radiant Tube Length Radiant Tube and TailpipeMinimum Radiant Tube Length Maximum Radiant Tube Length Pump Model Series Maximum Loading Design ParametersCRV-Series Design Methods Flow Units Per Branch Allowable Tailpipe Lengths Burner Model After Each Burner Rule of Thumb Unshared Calculations Tailpipe Design MethodSystem with EP-300 Series Pump To Calculate the Total System Tailpipe Damper Couplings Possible Damper Coupling Locations Example System Layout Option Example CRV-SERIES System Layouts 12 m 10 3 m 20 6 m 12 m Tailpipe 10 3 m 100 30 m Example System Layout Option 7, 8 Roberts Gordon System Control P/N Control MethodsRoberts Gordon Ultravac Pressure Switch Pressurized AIR Supply SystemNon-Pressurized Pressurized Systems Duct Design Rules Pipe sizingBlower P/N 90707501 Performance 112 Flow Units Sample Layout for Pressurized Outside Air Systems Roberts Gordon Ultravac Design Requirements CRV-SERIES Equipment Specifications Page Maintain Clearance Side Clearance below