Service manual

© 2012
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: Heating System 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: Unpacking the Pump ...............................4
3.1 Open Shipping Cartons ......................................4
SECTION 4: Major Components ..................................5
4.1 Standard Parts List .............................................6
SECTION 5: Pump Installation .....................................7
5.1 Pump Assembly Instructions ..............................7
SECTION 6: Pressure Switch Mounting and
Wiring .....................................................12
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 (in order of
preferred use) .........................................................18
9.4 Horizontal Venting.............................................18
9.5 Vertical Venting.................................................20
9.6 Condensate Trap and Condensate Tee ............21
SECTION 10: Servicing Instructions .........................24
10.1 Pre-Season Maintenance and Annual
Inspection .......................................................24
10.2 To Change the Motor and/or the Impeller .......24
10.3 Maintenance Checklist....................................25
SECTION 11: Replacement Parts and
Accessories ..........................................26
11.1 Replacement Parts ..........................................26
11.2 Accessories .....................................................27
SECTION 12: Specifications.......................................28
12.1 Material Specification......................................28
12.2 Suspension Specifications..............................28
12.3 Controls Specifications ...................................28
SECTION 13: The ROBERTS GORDON
®
EP-100 Series
Pump Warranty .................................... 29
Printed in U.S.A.