Roberts Gorden CRV-B-2, CRV-B-8, CRV-B-9, CRV-B-12A, CRV-B-6, CRV-B-10, CRV-B-4 service manual 208 230

Page 53
EP-203 or
EP- 303 3 Ø Pump

SECTION 12: CONTROL METHODS

FIGURE 31: External Wiring Diagram EP-301 120 V 1 Ø Pump

120 V

1 Ø

120 V 60 Hz

1Ø

60 Hz

L

N

Ground

All burners must be connected to Ground. (Not shown.)

Zone 1 Zone 2 Zone 3Zone 4

EP 301

Pump Do not directly connect the controller relay terminals to the pump motor. Product

damage will result.

IEC contactor (P/N 10050009) rated for the EP 301 pump motor

6

4

2

The power supply for the

pump must be separate

 

 

Mfrom the controller supply.

3

1

 

 

 

230 V

Individual supply for

5

 

 

 

 

 

 

 

 

pump rated for total

 

N

 

 

 

1 Ø

full load current.

 

L

 

 

 

60 Hz

 

 

 

 

 

 

 

Low voltage thermostats

 

 

located in heated zone.

 

 

Zone

Zone

Zone

Zone

Pressure switch

 

located at pump.

 

1

2

3

 

4

 

 

 

12 Vdc

Ground

G

N

L

 

 

 

N L

 

N L

 

N L

 

N L

N L

 

 

 

 

 

 

 

 

Z1

Z2

Z3

Z4 PUMP

System Control

C

C

 

C

C

C

T1

 

T2

T3

T4

PS

FIGURE 32: External Wiring Diagram EP-203 or EP-303 208 V - 230 V (or 460 V) 3 Ø Pump

120V

1 Ø

60Hz

L

N

Ground

Motor starter (P/N 10050001) rated for EP-203 pump motor; motor starter (P/N 10050010) rated for EP-303 pump motor.

All burners must be connected to Ground. (Not shown.)

Zone 1 Zone 2 Zone 3 Zone 4

120 V

1 Ø

60 Hz

Do not directly connect the controller relay terminals to the pump motor. Product damage will result.

The power supply for the pump must be separate from the controller supply.

OL

208 - 230 V

 

 

(or 460 V)

M

3 Ø

L3

60 Hz Individual supply

for pump rated for

L2

total full load current.

L1

 

Low voltage thermostats located in heated zone.

Zone Zone Zone Zone

1 2 3 4

Pressure switch located at pump.

12 Vdc

Ground

 

G

N

L

 

N L

 

N L

 

N L

 

N L

N L

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Z1

Z2

Z3

Z4 PUMP

System Control

C

C

C

C

C

T1

T2

T3

T4

PS

47

Page 52 Page 54
Image 53
Page 52 Page 54
Contents CoRayVac Page Roberts GORDON, LLC Page Table of Figures Page Manpower Requirements Heater SafetyWall Tag Installer ResponsibilityCorrosive Chemicals National Standards and Applicable CodesMaintain clearances to combustibles at all times for safety ONE Side Reflector Standard ReflectorUniversal SHIELD, Position Foot Deco Grille National Standards and Applicable Codes With Lock Coupling Assembly Tube AdapterMajor Components Reflector Side Aluminum or Stainless SteelRoberts Gordon Ultravac Adjustable Indoor SensorVariable Frequency Drive Roberts GordonContents of CRV-Series Burner Carton Standard Parts ListProtective Grille Design Requirements Heater Assembly OverviewCritical Hanger Placement Heater InstallationCoupling and Tube Assembly Tube Installation± 2 5 cm 2 Elbow Installation2 Reflector Installation Reflector Installation 1 Reflector Installation with HoleScrew Wire Form Reflector Support Strap Burner Combustion Chamber Gasket End Vent Burner InstallationReflector Joint 1 Reflector Joint Installation Optional Heater AccessoriesTee Installation 3 Reflector Joint Detail 2 Reflector Joint Installation2 Side Reflector Installation Reflector Side Extension .3.1 Bracket InstallationBarrier Shield See Page 5, through Page 5, for positions2 Frame Shield Installation Decorative Grille Bracket 3 Joint Piece and Reinforcement 2 Decorative Grille4 End Piece and Reflector End Cap 3 Grille Installation Protective Grille Installation 1 Silicone Cap Installation2 Grille End Cap Installation Kg per foot Corayvac Classic Cast-Iron Adapter EP-200 Condensate Valve Assembly Pump Installation and Venting 9.1 Pump InstallationHorizontal Venting Vertical VentingUnited States Requirements Canadian RequirementsVertical Venting Configuration Horizontal Venting 4 10 cm Pipe EP-100 Horizontal Venting ConfigurationsEP-200 Series Horizontal Venting Configurations EP-300 Series Horizontal Venting Configurations Non-Pressurized Outside AIR SupplyPressurized Duct Design RulesOutside Air Blower Internal Wiring Diagram Outside Air Blower Internal WiringAir Supply Blower Support Non-Pressurized Outside Air Supply Gas Connection with Flexible Gas Hose GAS PipingRoberts Gordon System Control Control MethodsRoberts Gordon Ultravactm Dpst Transformer Relay P/N120 120 Two Zone Operation without Control Panel 60 Hz 12 Vdc 120 Ground 208 230 Burner Internal Wiring Starting the System Setting the VacuumChecking the Gas Line Checking the Electrical SystemVacuum Reading Pre-Season Maintenance and Annual Inspection Operation and MaintenanceSequence of Operation To Shut Off HeaterInstallation Code and Annual Inspections Maintenance ChecklistVehicles and Other Objects ReflectorGas Line TubesWindow Blower Scroll, WheelPump With the Power offStart ChartYes Follow burner check Procedure given above Troubleshooting FlowDescription Replacement PartsDimensions General SpecificationsPipe Connection GAS Inlet PressureAir Supply Blower Specifications Pump Specifications Model EP-100EP-203 EP-303Page Limitations on Authority Representatives Warranty is Void ifROBERTS-GORDON will not PAY for Page Owner Warranty Registration Card Page Page F r a r e d H e a t i n g
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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.

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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.

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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.

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