Roberts Gorden EP-203 user manual

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EP-200 Series
Pump
Installation,
Operation &
Service Manual





 
  
 

 
   
 
 
 
 

 



 

 
    
 

  



 

  
 



    
 
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TABLE OF CONTENTS SECTION 1: Heating System Safety ............................1 1.1 Manpower Requirements ...................................1 SECTION 2: Installer Responsibility............................2 2.1 Corrosive Chemicals...........................................2 2.2 National Standards and Applicable Codes .........2 SECTION 3: Unpacking the Pump ...............................2 3.1 Open Shipping Cartons ......................................2 SECTION 4: Major Components ...........

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TABLE OF FIGURES Figure 1: Major Component Descriptions .......................3 Figure 2: Pump Discharge Orientation / Impeller Rotation Direction ..............................6 Figure 3: Pump Assembly...............................................7 Figure 4: Motor Shaft Seal Assembly..............................8 Figure 5: Wall Bracket Assembly ....................................9 Figure 6: Wall Mounting Angle Assembly........................9 Figure 7: Wall Mounting ......................

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SECTION 1: HEATING SYSTEM SAFETY SECTION 1: HEATING SYSTEM SAFETY Your Safety is Important to Us! This symbol is used throughout the manual to notify you of possible fire, electrical or burn hazards. Please pay special attention when reading and follow- ing the warnings in these sections. Installation, Service and Annual Inspection of heater and pump must be done by a contractor qualified in the installation and service of gas-fired heating equipment. Read this manual carefully before inst

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EP-200 SERIES PUMP INSTALLATION, OPERATION AND SERVICE MANUAL of these compounds is suspected. Warranty will be invalid if the SECTION 2: INSTALLER RESPONSIBILITY heater is exposed to halogenated hydrocarbons. The installer is responsible for the following: 2.2 National Standards and Applicable Codes  To install the pump and electrical supplies, in accordance with applicable specifications and All Appliances must be installed in accordance with codes. Roberts-Gordon recommends the installer

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SECTION 4: MAJOR COMPONENTS SECTION 4: MAJOR COMPONENTS FIGURE 1: Major Component Descriptions EP-201 Pump Assembly - 01312001 Pump Scroll Assembly - 01394400 EP-203 Pump Assembly - 01312002 Inlet Plate Assembly - 01327400 Pump Boot 4" (10 cm) - 91412800 Band Clamp 4" (10 cm) - 91901300 Bird Screen 4" (10 cm) - 01365400 Mounting Angle - 01365000 Pressure Switch - 90430600 3

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EP-200 SERIES PUMP INSTALLATION, OPERATION AND SERVICE MANUAL 4.1 Standard Parts List Table 1: EP-201 Pump Package (P/N 02716305) Part No. Description Quantity Box 1 of 2 01312001 EP-201 Pump Assembly 1 ® 127102NA 1 CORAYVAC Installation, Operation and Service Manual Box 2 of 2 01311700 EP-200 Series Accessory Package 1 91901300 Band Clamp, 4" 4 92113900 Hex Nut 6 93413912 Bolt (5/16" -18" x 3/4") 6 94273914 Bolt (5/16" -18" x 7/8") 16 95211600 Flat Washer (5/16") 28 96411600 Lockwasher (5/16")

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SECTION 4: MAJOR COMPONENTS Table 2: EP-203 Pump Package (P/N 02712034) Part No. Description Quantity Box 1 of 2 01312002 EP-203 Pump Assembly 1 ® 127102NA 1 CORAYVAC Installation, Operation and Service Manual Box 2 of 2 01311700 EP-200 Series Accessory Package 1 91901300 Band Clamp, 4" 4 92113900 Hex Nut 6 93413912 Bolt (5/16" -18" x 3/4") 6 94273914 Bolt (5/16" -18" x 7/8") 16 95211600 Flat Washer (5/16") 28 96411600 Lockwasher (5/16") 6 01327400 Inlet Plate Assembly 1 01365400 Bird Screen,

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EP-200 SERIES PUMP INSTALLATION, OPERATION AND SERVICE MANUAL SECTION 5: PUMP INSTALLATION 5.1 Pump Assembly Instructions 5.1.1 Determine Orientation of Pump Discharge 5.1.2 Attaching Pump Scroll To ensure your safety, and comply with the terms of After determining the correct orientation of the pump the warranty, all units must be installed in accor- scroll outlet, attach the pump scroll to the pump dance with these instructions. frame as follows:  Place Flat Washer (P/N 95211600), on the 5/

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SECTION 5: PUMP INSTALLATION FIGURE 3: Pump Assembly -.)/01.2*& '.  (")/$34
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! , 102"  %' ( Description Part Number Description Part Number Pressure Switch 90430600 Inlet Plate Assembly Kit 01327400 Pump Scroll 01394400 Gaskets (2) 91406940 Rubber Mounts 91906100 Inlet Plate 01327400 Impeller 01394602 Accessory Bag (8 bolts, 8 flat washers) 01311702 5.1.3 Attachin

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EP-200 SERIES PUMP INSTALLATION, OPERATION AND SERVICE MANUAL FIGURE 4: Motor Shaft Seal Assembly
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"7, Description Part Number EP-201 Motor 90604500 EP-203 Motor 90604501 Motor Shaft Seal 02757500 Pump Scroll 01394400 Impeller 01394602 , & 9! Inlet Plate Assembly 01327400 Pressure Switch 90430600 5.1.4 Install Motor Shaft Seal  Separate the motor shaft seal at the pre-cut score

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SECTION 5: PUMP INSTALLATION 5.2 Pump Suspension The standard method of mounting the EP-200 pump is on an outside wall and venting directly through the  
 wall. ()* The pump may be mounted by using mounting 3"  angles as shown in Figure 5. The two mounting " ". angles form a mounting platform to which the pump 455,676.- will be attached. '  Attach the mounting frame to the wall using ancho

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EP-200 SERIES PUMP INSTALLATION, OPERATION AND SERVICE MANUAL FIGURE 7: Wall Mounting -*?2*'))07( :  & -.2*')/( -"/* >  ')1")-( , 9 1* ')12( )*'-( 7=*'==( 2-* 7-*'27( ')/( 1* ')12(
  + ! ))-* &  '  !( '=( -"/* ')1")-( 1*"2* -*02*'))07( ')12"7( :  & &  $!! $  ,  '*')(+!(  ! *')( '& ( +! 5.2.2

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SECTION 5: PUMP INSTALLATION FIGURE 9: Condensate Check Valve ; Description Part Number Condensate Valve Assembly 01327001 )*
+   @)*0A*   ' ( B   D  !   7/*,       7.* !  ! B  C ! ,!    7.*     FIGURE 10: Condensate Tee - Discharge Side *')( ,  

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                                   EP-200 SERIES PUMP INSTALLATION, OPERATION AND SERVICE MANUAL SECTION 6: MOTOR WIRING 6.1 Prior to Operation Prior to operation of the pump in the heating system,
 operation and proper rotation of the impeller must be verified. IMPORTANT: Improper rotation of the impeller will not produce the vacuum required for proper system operation. The EP-201 motor must be wired for clockwise or   

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SECTION 7: VENTING SECTION 7: VENTING 7.3 Horizontal Venting  
 The vent material must be either porcelain coated #3;)* tubing 4" (10 cm) O.D. (P/N 9141030D), heat treated 1  aluminized tubing 4" (10 cm) O.D. (P/N 91409408),  heat treated aluminized tubing 6"(15 cm) O.D. (P/N ) E0009105) or single wall flue pipe minimum 26 Ga.   Vent length be limited to less than 30' (9 m). If using

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EP-200 SERIES PUMP INSTALLATION, OPERATION AND SERVICE MANUAL FIGURE 13: Side Wall Venting )2* "*0 / " ))0 )4'7( : &  ,0  6! ' .

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.+! )2* "*0  + ! / " ' !( ))0 *')( C+   +H C9)"/* ')-( C+   -**')1)($ +H C9)"/* -*')1(& ;
 ')-( C+   -4'1-(76!,