Zoeller 521 Installation Instructions Manual Download Page 1

Page: 1 / 8

Product information presented here

re fl ects con di tions at time of pub-

lication. Consult factory re gard ing

dis crep an cies or in con sis ten cies.

MAIL TO: P.O. BOX 16347 • Louisville, KY 40256-0347

SHIP TO: 3649 Cane Run Road • Louisville, KY 40211-1961

(502) 778-2731 • 1 (800) 928-PUMP • FAX (502) 774-3624

SECTION: 6.10.086

FM2630

1210

Supersedes

New

INSTALLATION IN STRUC TIONS

MODEL 521

Condensate

Pump

PREINSTALLATION CHECK LIST - ALL INSTALLATIONS

NOTICE TO INSTALLER: Instructions must remain with installation.

P/N 151386

1. To help reduce the risk of elec tri cal shock, a properly

grounded re cep tacle or con trol box of ground ing type must
be in stalled and pro tect ed by a ground fault circuit interrupter
(GFCI) in ac cor dance with the National Elec tri cal Code and
ap pli ca ble local codes. If pump is wired direct, a GFCI must
be installed in the control box. (SEE WARN ING BELOW)

2. Make certain that the ground fault in ter rupt er protected re cep -

tacle or con trol box is with in reach of the pump’s power supply
cord. DO NOT USE AN EX TEN SION CORD. Ex ten sion cords
that are too long or too light do not deliver suffi cient voltage
to the pump motor. But more im por tant, they could present a
safe ty hazard if the in su la tion were to become dam aged or
the con nec tion end were to fall into a damp or wet area.

3. Make sure the pump's elec tri cal sup ply cir cuit is equipped

with fuses or cir cuit break ers of prop er ca pac i ty. A sep-
a rate branch cir cuit, sized ac cord ing to the National Electrical

1. Inspect all materials. Oc ca sion ally, prod ucts are dam aged dur ing ship ment. If the unit is dam aged, con tact your dealer be fore

using.

2. Carefully read all the lit era ture pro vid ed to fa mil iar ize your self with specifi c details re gard ing in stal la tion and use be fore at tempt ing

the in stal la tion. These ma te ri als should be re tained for future ref er ence.

1. Check to be sure your power source is ad e quate to handle

the am per age requirements of the motor as indicated on the
pump or unit I.D. tag.

2. All plumbing (discharge and drain lines) must be in stalled to

meet local codes.

Code for the cur rent shown on the pump name plate is recom-
mended.

4. TESTING FOR GROUND. As a safe ty mea sure, each elec tri cal

outlet should be checked for ground us ing an Underwriters
Lab o ra to ry Listed cir cuit an a lyz er which will indicate if the
power, neu tral and ground wires are cor rect ly con nected to your
out let. If they are not, call a qualifi ed licensed electrician.

5. Installation and checking of elec tri cal cir cuits and hard ware

should only be performed by a qualifi ed li censed electrician.

6. FOR YOUR PRO TEC TION ALWAYS DIS CON NECT PUMP

FROM ITS POW ER SOURCE BE FORE HANDLING.

7. According to the state of California (Prop 65), this product

contains chemicals known to the state of California to cause
cancer and birth defects or other reproductive harm.

SEE BELOW FOR

LIST OF CAUTIONS

REFER TO WARRANTY ON PAGE 2.

NOTE: Pumps with the “UL” mark and pumps with the “US” mark

are tested to UL Standard UL778. CSA Certifi ed pumps are
certifi ed to CSA Standard C22.2 No. 108.

SEE BELOW FOR