Roberts Gorden EP-100 Installation, Operation & Service Manual
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Roberts Gorden EP-100 Installation, Operation & Service Manual

Roberts Gorden EP-100 Installation, Operation & Service Manual

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WARNING
Improper installation, adjustment, alteration, service
or maintenance can result in death, injury or
property damage. Read the Installation, Operation
and Service Manual thoroughly before installing or
servicing this equipment.
Installation must be done by a contractor qualified
in the installation and service of gas-fired heating
equipment or your gas supplier.
© 2018 Roberts-Gordon LLC
EP-100 Pump
Please take the time to read and understand
these instructions prior to any installation.
Installer must give a copy of this manual to the owner.
Keep this manual in a safe place in order to provide
your service technician with necessary information.
Roberts-Gordon LLC
1250 William Street
P.O. Box 44
Buffalo, New York 14240-0044
Telephone: +1.716.852.4400
Fax: +1.716.852.0854
Toll Free: 800.828.7450
www.robertsgordon.com
Installation,
Operation &
Service Manual
Installer
Owner
P/N 127201NA Rev. G 3/18

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Summary of Contents for Roberts Gorden EP-100

  • Page 1 EP-100 Pump Installation, Operation & Service Manual Installer WARNING Please take the time to read and understand Improper installation, adjustment, alteration, service these instructions prior to any installation. or maintenance can result in death, injury or Installer must give a copy of this manual to the owner.

  • Page 3: Table Of Contents

    SECTION 7: Pump Mounting Instructions ....13 7.1 Chain Suspension ..........13 7.2 Wall Mounting............14 SECTION 8: Motor Wiring ...........17 8.1 Impeller Rotation Direction .......17 8.2 EP-100 Wiring ...........17 SECTION 9: Venting ............18 9.1 General Venting Requirements......18 9.2 Venting the Pump ..........18 9.3 Vent Material Recommendations ......18 9.4 Horizontal Venting..........18...
  • Page 5 Figure 7: Pressure Switch Mounting Holes ....12 Figure 8: Mounted Pressure Switch.......12 Figure 9: Pump Pressure Switch Wiring ......12 Figure 10: EP-100 Mounting - Chain Suspension ..13 Figure 11: Wall Bracket Assembly .........14 Figure 12: Wall Mounting Angle Assembly ....15 Figure 13: Wall Mounting..........15...

  • Page 7: Section 1: Heating System Safety

    SECTION 1: H EATING YSTEM AFETY SECTION 1: HEATING SYSTEM SAFETY Your Safety is Important to Us! 1.1 Manpower Requirements This symbol is used throughout To prevent personal injury and damage to the pump, the manual to notify you of two persons will be required for installation.

  • Page 8: Figure 1: Label Placement

    EP-100 P NSTALLATION PERATION AND ERVICE ANUAL FIGURE 1: Label Placement Description Part Number Severe Injury Label 91012100 Rating Plate Label 91010401 Logo Label 91017200 2 of 29...

  • Page 9: Section 2: Installer Responsibility

    SECTION 2: I NSTALLER ESPONSIBILITY SECTION 2: INSTALLER RESPONSIBILITY 2.1 Corrosive Chemicals The installer is responsible for the following: CAUTION • To install the pump and electrical supplies, in accordance with applicable specifications and codes. Roberts-Gordon LLC recommends the installer contact a local building inspector or fire marshal for guidance.

  • Page 10: Section 3: Unpacking Pump

    EP-100 P NSTALLATION PERATION AND ERVICE ANUAL SECTION 3: UNPACKING PUMP 3.1 Open Shipping Cartons WARNING Cut/Pinch Hazard Wear protective gear during installation, operation and service. Edges are sharp. Failure to follow these instructions can result in injury. Open cartons and remove packing inserts. Carefully remove pump components from cartons.

  • Page 11: Section 4: Major Components

    SECTION 4: MAJOR COMPONENTS FIGURE 2: Major Component Descriptions Pump Scroll Assembly - P/N 02757001 EP-100 Pump Assembly - P/N 02719100 Pump Inlet Assembly - P/N 02724200 Flexible Boot 4.5" (11 cm) - P/N 91412801 Silicone Rubber Ring - P/N 91906900 Pressure Switch - P/N 90430600K Band Clamp 4"...

  • Page 12: Standard Parts List

    EP-100 P NSTALLATION PERATION AND ERVICE ANUAL 4.1 Standard Parts List Table 1: EP-100 Pump Package 4" (10 cm) (P/N 02719105) Part No. Description Quantity Box 1 of 2 02719100 Pump Frame, Motor and Impeller Assembly Includes: ® 127102NA CORAYVAC...

  • Page 13: Section 5: Pump Installation

    SECTION 5: P NSTALLATION SECTION 5: PUMP INSTALLATION WARNING Cut/Pinch Hazard Wear protective gear during installation, operation and service. Edges are sharp. Failure to follow these instructions can result in injury. NOTE: Installers may also visit Roberts-Gordon YouTube page to view pump assembly video at https://www.youtube.com/watch?v=F-u8xtvaAZ8 or scan the QR code below: WARNING...

  • Page 14: Figure 3: Pump Discharge Orientation/Impeller Rotation Direction

    EP-100 P NSTALLATION PERATION AND ERVICE ANUAL FIGURE 3: Pump Discharge Orientation/Impeller Rotation Direction Counterclockwise Rotation (Standard) OUTLET Arrow showing direction of rotation (located on front of scroll housing) Clockwise Rotation OUTLET 5.1.2 Attaching Pump Scroll After determining correct orientation of pump scroll outlet, attach pump scroll to pump frame using #10 - 24 Keps locknuts provided.

  • Page 15: Figure 4: Pump Assembly

    SECTION 5: P NSTALLATION 5.1.3 Attaching Pump Inlet Assembly From scroll assembly side of pump, orient inlet assembly so threaded pipe coupling is on top. See partial end view on Page 9, Figure 4. • Attach inlet assembly onto scroll assembly by using #10 - 24 Keps locknuts provided.

  • Page 16: Figure 5: Damper Assembly

    EP-100 P NSTALLATION PERATION AND ERVICE ANUAL 5.1.4 Damper Assembly Pump is equipped with a damper assembly which is 2. Pump inlet assembly is provided with a 1/8" used as a means of setting system vacuum. See N.P.T. tapping which is located at the top. Use...

  • Page 17: Figure 6: Motor Shaft Seal Installation

    3. Secure shaft seal in position with adhesive strip provided. FIGURE 6: Motor Shaft Seal Installation Pump Scroll Motor Shaft Seal Pump Frame Impeller Pump Inlet Assembly EP-100 Motor Description Part Number EP-100 Motor 90604600 Motor Shaft Seal 02757500 Pump Scroll...

  • Page 18: Section 6: Pressure Switch Mounting And Wiring

    EP-100 P NSTALLATION PERATION AND ERVICE ANUAL SECTION 6: PRESSURE SWITCH MOUNTING AND WIRING 6.1 Pressure Switch Installation eliminate the possibility of kinks and securely attach hose to pressure switch and barbed fitting. For connection to a pump, locate two pressure switch mounting holes on pump frame.

  • Page 19: Section 7: Pump Mounting Instructions

    SECTION 7: P OUNTING NSTRUCTIONS SECTION 7: PUMP MOUNTING INSTRUCTIONS The standard method of mounting the EP-100 pump is suspending it from a chain and venting through the 7.1 Chain Suspension roof. For CRVSF-Series only, a minimum of 18" (45 cm)

  • Page 20: Wall Mounting

    EP-100 P NSTALLATION PERATION AND ERVICE ANUAL 7.2 Wall Mounting 7.2.1 Wall Mounting Platform The alternative method of mounting the pump is on an outside wall and venting directly through the wall. Order the optional mounting angle package (P/N 01312102) if this method is used.

  • Page 21: Figure 12: Wall Mounting Angle Assembly

    SECTION 7: P OUNTING NSTRUCTIONS 7.2.2 Mounting Platform (Angle Assembly) Mount pump using mounting angles on Page 15, Figure 12. FIGURE 12: Wall Mounting Angle Assembly 11.5" 7" (18 cm) (29 cm) FIGURE 13: Wall Mounting 4.5” Silicone Rubber Rings and Band Clamps 15 of 29...

  • Page 22: Figure 14: Optional Platform Assembly Mounting

    EP-100 P NSTALLATION PERATION AND ERVICE ANUAL 7.2.3 Mounting Platform (Optional Platform Assembly) If mounting on an outside wall is not practical, it may be mounted on a platform suspended from the ceiling, or for noise reduction, in an enclosure.

  • Page 23: Section 8: Motor Wiring

    8.2 EP-100 Wiring The EP-100 motor is wired for 1 Ø, 115 V, 60 Hz operation. However, the motor can be rewired for 230 V operation by changing motor connections as indicated by the diagram on motor.

  • Page 24: Section 9: Venting

    EP-100 P NSTALLATION PERATION AND ERVICE ANUAL SECTION 9: VENTING 9.2 Venting the Pump • Exhaust connection from pump is 4" (10 cm) WARNING diameter. • Connect 4" (10 cm) pump boot (provided) to 4" (10 cm) flue pipe, using 4" (10 cm) band clamp provided.

  • Page 25: Figure 15: Horizontal Venting

    SECTION 9: V ENTING • Vent must terminate at least 3' (1 m) above any • Vent terminal opening must extend beyond any forced air inlet located within 10' (3 m). combustible overhang. • Vent must terminate at least 4' (1.2 m) below, 4' •...

  • Page 26: Vertical Venting

    EP-100 P NSTALLATION PERATION AND ERVICE ANUAL 9.5 Vertical Venting Vent length should be limited to less than 30' (9 m). If using vent lengths greater than 30' (9 m), condensation will form in vent pipe. Insulation and additional sealing measures will be required. Length of flue pipe is equal to total of vertical and horizontal length.

  • Page 27: Condensate Trap And Condensate Tee

    9.6 Condensate Trap and Condensate Tee Install condensate trap assembly (optional) (P/N horizontal (pitched) discharge line. 01327001), on inlet side of EP-100 Series pump The condensate trap assembly in the discharge line assembly, See Page 21, Figure 17. can be eliminated if the discharge line is horizontal...
  • Page 28 EP-100 P NSTALLATION PERATION AND ERVICE ANUAL 9.6.1 Condensate Neutralization Tube (optional) Step 2: Total condensate If a condensate neutralization tube is specified to be Multiply the total input Btu/h / 100,000 by the used with the heating system, follow the steps below condensate flow (gal/h) per 100,000 (Btu/h) to choose the proper condensate neutralization tube.

  • Page 29: Figure 19: Condensate Neutralization Tube

    SECTION 9: V ENTING FIGURE 19: Condensate Neutralization Tube Calculated gal/h Description Part Number Less than 2 Condensate Neutralization Tube 200 01327002 Less than 6 Condensate Neutralization Tube 600 01327003 Less than 10 Condensate Neutralization Tube 1000 01327004 Less than 20 Condensate Neutralization Tube 2000 01327005 23 of 29...

  • Page 30: Section 10: Servicing Instructions

    EP-100 P NSTALLATION PERATION AND ERVICE ANUAL SECTION 10: SERVICING INSTRUCTIONS WARNING DANGER Electrical Shock Hazard Explosion Hazard Burn Hazard Cut/Pinch Hazard Turn off gas supply to Allow heater and Wear protective gear Disconnect electric heater before service. pump to cool before during installation, before service.

  • Page 31: Maintenance Checklist

    SECTION 10: S ERVICING NSTRUCTIONS 6. Detach motor, if necessary, by removing 8. Two impeller set screws should be reinstalled attachment hardware. with a drop of thread locking sealant and remain unseated during initial re-assembly. 7. Re-assembly of motor/impeller combination requires proper alignment.

  • Page 32: Section 11: Replacement Parts And Accessories

    EP-100 P NSTALLATION PERATION AND ERVICE ANUAL SECTION 11: REPLACEMENT PARTS AND ACCESSORIES WARNING DANGER Electrical Shock Hazard Explosion Hazard Carbon Monoxide Hazard Fire Hazard ® Use only genuine ROBERTS GORDON replacement parts per this installation, operation and service manual.

  • Page 33: Accessories

    SECTION 11: R EPLACEMENT ARTS AND CCESSORIES 11.2 Accessories Description Part Number Description Part Number 4" Plain Coupling 01312700 4" Aluminized 90° Elbow 01335801 6" Plain Coupling 01312706 6" Aluminized 90° Elbow T0100320 4" Lined Coupling 4" Coated 90° Elbow 0133580D 0131270 4"...

  • Page 34: Section 12: Specifications

    EP-100 P NSTALLATION PERATION AND ERVICE ANUAL SECTION 12: SPECIFICATIONS 12.1 Material Specifications 12.3 Controls Specifications 12.1.1 Pump Frame, Inlet, Scroll and Impeller Time switches, thermostats, etc. can be wired into electrical supply. External controls supplied as an 12 Gauge Stamped Steel Construction optional extra.

  • Page 35: Section 13: The Roberts Gordon ® Ep-100

    • Misuse, abuse, neglect, or modification of the EP-100 PUMP in any way. Roberts-Gordon LLC shall in no event be responsible • Use of the EP-100 PUMP for other than its intended for incidental or consequential damages or incur purpose.

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