Service manual

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.

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 ..................................3

4.1 Standard Parts List .............................................4

SECTION 5: Pump Installation.....................................8

5.1 Pump Assembly Instructions ..............................8

5.2 Pump Impeller Rotation ......................................9

5.3 Mounting Wall Bracket Assembly .....................10

5.4 Condensate Tee Assembly ...............................12

SECTION 6: Motor Wiring...........................................14

6.1 Prior to Operation .............................................14

6.2 EP-301 Wiring ..................................................14

6.3 EP-303 Wiring ..................................................15

SECTION 7: Venting....................................................16

7.1 General Venting Requirements.........................16

7.2 Venting the Pump .............................................16

7.3 Horizontal Venting ............................................16

7.4 Vertical Venting.................................................18

7.5 Venting Accessories .........................................18

SECTION 8: Servicing Instructions ...........................19

8.1 Pre-Season Maintenance

and Annual Inspection .....................................19

8.2 To Change the Motor and/or the Impeller .........19

8.3 Maintenance Checklist .....................................20

SECTION 9: Replacement Parts and Accessories...21

9.1 Replacement Parts ...........................................21

9.2 Accessories ......................................................21

SECTION 10: Specifications.......................................22

10.1 Material Specification .....................................22

10.2 Motor Specifications .......................................22

10.3 Suspension Specifications..............................22

10.4 EP-301 Controls Specifications ......................22

10.5 EP-303 Controls Specifications ......................22

SECTION 11: The ROBERTS GORDON

EP-300

SERIES PUMP Limited Warranty ......23

Printed in U.S.A.