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© Copyright 2000 Roberts-Gordon
Custom-Engineered Gas-Fired Low-Intensity
Infrared Heating Systems
Fuel Conversion Kit Instructions
Roberts-Gordon
1250 William Street
P.O. Box 44
Buffalo, New York 14240-0044
Telephone: 716.852.4400
Fax: 716.852.0854
Toll Free: 800.828.7450
http://www.rg-inc.com
Models:
B-2
B-4
B-6
B-8
B-9
B-10
Roberts-Gordon Canada Inc.
241 South Service Road West
Grimsby, Ontario L3M 1Y7 Canada
Telephone: 905.945.5403
Fax: 905.945.0511
P/N 227102NA Original Issue 03/00
B-12
B-12a
E-9
E-12
E-12a
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Related Manuals for Roberts Gorden CoRayVac B-2
Summary of Contents for Roberts Gorden CoRayVac B-2
- Page 1 Custom-Engineered Gas-Fired Low-Intensity Infrared Heating Systems Fuel Conversion Kit Instructions Models: B-12 B-12a E-12 E-12a B-10 Roberts-Gordon Roberts-Gordon Canada Inc. 1250 William Street 241 South Service Road West P.O. Box 44 Grimsby, Ontario L3M 1Y7 Canada Buffalo, New York 14240-0044 Telephone: 905.945.5403 Telephone: 716.852.4400 Fax: 905.945.0511...
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Page 3: Table Of Contents
ROBERTS GORDON Table of Contents BEFORE YOU BEGIN ........1 Read This Manual . -
Page 5: Before You Begin
BEFORE YOU BEGIN ROBERTS GORDON Read this Read these instructions carefully before servicing this equipment. Improper installation, servicing or maintenance can cause death, Manual injury or property damage. Installer must be a contractor qualified in the installation and service of gas-fired heating equipment or your gas supplier. -
Page 6: Heater Safety
Heater Safety ® CORAYVAC HEATING SYSTEMS Your Safety This symbol is used throughout the manual to notify you of possible fire, electrical or shock hazards. is Important Please pay special attention when reading and follow- to Us ing the warnings in these sections. Due to the nature of gas conversions, it is important Important you use the correct conversion kit for the heater model... -
Page 7: Fuel Conversion Kits
Fuel Conversion Kits Configuration ROBERTS GORDON WARNING Natural -to- Natural -to- Propane Conversion Propane Check Conversion Kit Part Number before proceeding. Kit Part Number must match the corresponding model number. Conversions Only Failure to follow these instructions can result in death, injury or property damage. -
Page 8: For Propane -To- Natural Conversions Only (Figure 2, Table 2.)
Fuel Conversion Kits Configuration ® CORAYVAC HEATING SYSTEMS For Propane -to- WARNING Natural Propane -to- Natural Conversion Conversions Only Check Conversion Kit Part Number before proceeding. Kit Part Number must match the corresponding model number. Failure to follow these instructions can result in death, injury or property damage. -
Page 9: Warnings
Warnings ROBERTS GORDON WARNING WARNING Explosion Hazard Electrical Shock Hazard Turn off the gas supply to Unplug the electrical cord the heater before perform- from the outlet before per- ing any service or mainte- forming any service or nance. maintenance. Failure to follow these Failure to follow these instructions can result in... -
Page 10: Fuel Conversion Instructions
Fuel Conversion Instructions ® CORAYVAC HEATING SYSTEMS Introduction The CORAYVAC ® burners operate with a "zero" regulator for both propane and natural gas; they are factory set on a special flow bench. Since each unit uses the same regulator, no spring changes or adjustments are necessary when converting a CORAYVAC ®... -
Page 11: Step 2
Fuel Conversion Instructions ROBERTS GORDON Change the gas orifice as shown on Page 8, Figure 3 by performing the fol- lowing steps: Step 1 a. Turn off gas and electrical power to the unit and system. ® b. Remove the doors from the CORAYVAC unit by removing the wing screws, two for each door. - Page 12 Fuel Conversion Instructions ® CORAYVAC HEATING SYSTEMS f. When converting the CRV-B/E-12 or CRV-B/E-12A, the air shut- Step 1 ter must be changed: Using a 9/64" hex key, remove the screw (continued) and shutter and replace with the new one supplied with the kit as listed on Page 7, Table 3 .
- Page 13 Fuel Conversion Instructions ROBERTS GORDON After conversion, check operation of the unit: Step 2 a. Turn on gas and electrical power to system and unit. b. Cycle thermostat. c. When unit cycles, the spark ignitor should ignite the main flame immediately.
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Page 14: Step 4
Fuel Conversion Instructions ® CORAYVAC HEATING SYSTEMS Step 3 Print the requested information in the fields of the burner conversion label as shown below. Enter following data for Enter following data for Natural -to- Propane Propane -to- Natural Conversions Conversions For Model No. - Page 15 Fuel Conversion Instructions ROBERTS GORDON ® FIGURE 5. CORAYVAC Label Placement Setting the Vacuum Step 5 a. Set thermostats above room temperature. See that all burners are operating properly. b. Allow at least one-half hour operation for temperature to normalize, then check system vacuum balance.
- Page 16 Fuel Conversion Instructions ® CORAYVAC HEATING SYSTEMS Step 5 With systems designed to operate at maximum vacuum, it may not be possible to obtain vacuum differential readings at slightly above 3 1/2" (continued) w.c. If so, adjust damper coupling to maximum but equal vacuum read- ings.
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Page 17: Clearances To Combustibles
Clearances to Combustibles ROBERTS GORDON Clearances are the required distances that combustible objects must be away from the heater to prevent serious fire hazards. Combustibles are materials, vapors or liquids which may catch on fire and include common items such as wood, paper, rubber, fabric, etc. Maintain clearances to combustibles at all times for your safety. - Page 18 Clearances to Combustibles ® CORAYVAC HEATING SYSTEMS NOTE: 1. All dimensions are from the tube surface. 2. Clearances B, C and D can be reduced by 50% after 25’ (7 m) of tubing downstream from where the burner and transition tube connect. 3.
- Page 19 Clearances to Combustibles ROBERTS GORDON NOTE: 1. All dimensions are from the tube surface. 2. Clearances B, C and D can be reduced by 50% after 25’ (7 m) of tubing downstream from where the burner and transition tube connect. 3.
- Page 20 Clearances to Combustibles ® CORAYVAC HEATING SYSTEMS NOTE: 1. All dimensions are from the tube surface. 2. Clearances B, C and D can be reduced by 50% after 25’ (7 m) of tubing downstream from where the burner and transition tube connect. 3.
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Page 21: Operation And Maintenance
Operation and Maintenance ROBERTS GORDON valve is closed, and a purge period begins. After the purge, the module sparks, and there is a second trial for ignition. If flame is still not established, a third purge, and trial cycle begins. After 3 trials, the module will lockout until reset. -
Page 22: Remember To Check
Operation and Maintenance ® CORAYVAC HEATING SYSTEMS REMEMBER TO CHECK: The Vicinity of the Heater Do not store or use flammable objects, liquids or vapors near the heater. Immediately remove these items if they are present. Vehicles and Other Objects Maintain the clearances to combustibles. - Page 23 Operation and Maintenance ROBERTS GORDON Heat Exchanger Tubes Make sure there are no cracks. Make sure tubes are connected and suspended securely. Make sure there is no sagging, bending or distortion. Do not operate if there is sagging, cracking or distortion. Gas Line Check for gas leaks.
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Page 25: Limited Warranty
Limited Warranty ROBERTS-GORDON WILL PAY FOR: For 36 months from the date of purchase by the original READ YOUR INSTALLATION, OPERATION AND consumer or 42 months from date of shipment by SERVICE MANUAL Roberts-Gordon, whichever occurs first: we will provide, If you have questions about your heater, contact your free of charge, Replacement Parts for any part of the installing professional.