Roberts Gorden EP 201 Manual

WARNING
Installation must be done by a contractor qualified
in the installation and service of gas-fired heating
equipment or your gas supplier.
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.
Installer
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.
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 . B o x 4 4
Buffalo, New York 14240-0044
Telephone: [phone]
Fax: [phone]
Toll Free: 800.828.7450
www.robertsgordon.com
© 2018 Roberts-Gordon LLC
EP-200 Series
Pump
Installation,
Operation &
Service Manual
P/N 127200NA Rev. M 3/18

© 2018
Roberts-Gordon LLC
All rights reserved. No part of this work covered by the copyrights herein may be reproduced
or copied in any form or by any means - graphic, electronic, or mechanical, including
photocopying, recording, taping or information storage and retrieval systems - without the
written permission of Roberts-Gordon LLC.
TABLE OF CONTENTS
SECTION 1: HeatingSystem Safety ............................1
1.1 Manpower Requirements ....................................1
1.2 Safety Labels and Their Placement ....................1
1.3 California Proposition 65 .....................................1
SECTION 2: Installer Responsibility............................3
2.1 Corrosive Chemicals...........................................3
2.2 National Standards and Applicable Codes .........3
SECTION 3: Unpackingthe Pump ...............................4
3.1 Open Shipping Cartons ......................................4
SECTION 4: Major Components ..................................5
4.1 Standard Parts List .............................................6
SECTION 5: Pump Installation .....................................8
5.1 Pump Assembly Instructions ..............................8
SECTION 6: Pressure Switch Mountingand Wiring.12
6.1 Pressure Switch Installation ..............................12
SECTION 7: Pump MountingInstructions ................13
7.1 Wall Mounting....................................................13
7. 2 M o unting Platform
(Optional Platform Assembly)............................14
SECTION 8: Motor Wiring...........................................15
8.1 Impeller Rotation Direction ...............................15
8.2 EP-201 Wiring ...................................................15
8.3 EP-203 Wiring...................................................15
SECTION 9: Venting....................................................16
9.1 General Venting Requirements.........................16
9.2 Venting the Pump .............................................16
9.3 Vent Material Recommendations ......................16
9.4 Horizontal Venting.............................................16
9.5 Vertical Venting.................................................18
9.6 Condensate Trap and Condensate Tee ............19
SECTION 10: ServicingInstructions .........................21
10.1 Pre-Season Maintenance and Annual
Inspection .......................................................21
10.2 To Change the Motor and/or the Impeller .......21
10.3 Maintenance Checklist....................................23
SECTION 11: Replacement Parts and Accessories .24
11.1 Replacement Parts ..........................................24
11.2 Accessories .....................................................24
SECTION 12: Specifications.......................................26
12.1 Material Specifications ....................................26
12.2 Suspension Specifications..............................26
12.3 Controls Specifications ...................................26
SECTION 13: The ROBERTS GORDON®EP-200 Series
Pump Warranty ........................................................... 27
Printed in U.S.A.

TABLE OF FIGURES
LIST OF TABLES
Table 1: EP-201 Pump Package (P/N 02716305) ..........6
Table 2: EP-203 Pump Package (P/N 02712034) ..........7
Figure 1: Label Placement ..............................................2
Figure 2: Major Component Descriptions........................5
Figure 3: Pump Discharge Orientation /
Impeller Rotation Direction ..............................9
Figure 4: Pump Assembly .............................................10
Figure 5: Motor Shaft Seal Assembly ............................ 11
Figure 6: Pressure Switch Mounting Holes...................12
Figure 7: Mounted Pressure Switch..............................12
Figure 8: Pump Pressure Switch Wiring ........................12
Figure 9: Wall Bracket Assembly...................................13
Figure 10: Wall Mounting Angle Assembly....................13
Figure 11: Wall Mounting...............................................14
Figure 12: Mounting Platform Assembly .......................14
Figure 13: Side Wall Venting .........................................17
Figure 14: Vertical Venting ............................................18
Figure 15: Condensate Check Valve .............................18
Figure 16: Condensate Tee - Discharge Side................19
Figure 17: Condensate Neutralization Tube ..................20