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STA-RITE D Series Owner's Manual

Centrifugal pumps with trap for swimming pool use
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CENTRIFUGAL PUMPS WITH TRAP
FOR SWIMMING POOL USE
H.P.
Phase
3
1
3
3
5
1
5
3
Sta-Rite Pool/Spa Group
293 Wright Street, Delavan, WI 53115
International: 262-728-5551, FAX: 262-728-7550
www.starite.com
Union City, TN • Delavan, WI • Mississauga, Ont. • Murrieta, CA
© 2005, Sta-Rite Industries
"D" SERIES
O
W
N
E
R '
INSTALLATION, OPERATION & PARTS
Medium Head
Models
DMH-171
DMH3-171
DMJ-111
DMJ3-111
S
M
A
N
MODELS
High Head
Medium Head
Models
Models
DHH-169
DM2H-110
DHH3-169
DM2H3-110
DHJ-113
DM2J-111
DHJ3-113
DM2J3-111
U
A
L
High Head
Models
DH2H-112
DH2H3-112
DH2J-113
DH2J3-113
This manual should be furnished to
the end user of this pump; its use will
reduce service calls and chance of
injury and will lengthen pump life.
S409 (Rev. 9/6/05)

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  Summary of Contents for STA-RITE D Series

  • Page 1 Sta-Rite Pool/Spa Group 293 Wright Street, Delavan, WI 53115 International: 262-728-5551, FAX: 262-728-7550 www.starite.com Union City, TN • Delavan, WI • Mississauga, Ont. • Murrieta, CA S409 (Rev. 9/6/05) © 2005, Sta-Rite Industries...
  • Page 2: Table Of Contents

    To avoid unneeded service calls, prevent possible injuries, and get the most out of your pump, READ THIS MANUAL CAREFULLY! The Sta-Rite ‘D’ Series Self-priming Centrifugal pump: • Is designed for use with commercial swimming pools and spas. • Is an excellent performer; durable, reliable.
  • Page 3: Safety Instructions

    • Check all clamps, bolts, lids, and system accessories before testing. • Release all air in system before testing. • Tighten Sta-Rite trap lids to 25 ft. lbs. (3.5 kg-m) torque for testing. • Water pressure for test must be less than 25 PSI (7.5 kg/cm •...
  • Page 4: Uncrating And Inspection

    UNCRATING AND INSPECTION Handle with care. Check items received against packing list to be sure that all equipment has been received. Inspect for shipping damage. If found, file claim with carrier immediately. Cleanup Clean up foundation and surrounding area. Remove all trash and other materi- als which will interfere with installation.
  • Page 5 Entrapment Protection The pump suction system must provide protection against the hazard of suction entrapment or hair entrapment/entanglement. Suction Outlet Covers All suction outlet covers must be maintained. They must be replaced if cracked, broken, or missing. See Page 5 for outlet cover certification requirements. All suction outlets must have correctly installed, screw-fastened covers in place.
  • Page 6 Piping – General System piping must be at least equal to size of pump connections. To prevent strain on the pump casing and foundation, pipe and fittings must be aligned to pump without forcing. To avoid strains on the pump, support both suction and discharge pipes independently.
  • Page 7: Electrical

    ELECTRICAL Disconnect power at service panel before connecting motor. Ground motor before connecting to electrical power supply. Failure to ground motor can cause severe or fatal electrical shock hazard. Do not ground to a gas supply line. To avoid dangerous or fatal electrical shock, turn OFF power to motor before working on electrical connections.
  • Page 8: Operation

    NOTICE: Before using pump, check your motor nameplate for voltage. Your electric supply voltage and the stamped nameplate voltage must agree. Motors stamped 200 volts only or 230 volts only, must be used with that volt- age only. Motors stamped with two voltages (for example 230/460 volts), may be used with either supply voltage.
  • Page 9 switch protects the motor from heat damage during operation. NEVER run pump dry. Running pump dry may damage seals, causing leakage and flooding. Fill pump with water before starting motor. Before removing strainer cover: 1. STOP PUMP before proceeding. 2. CLOSE GATE VALVES in suction and discharge pipes. 3.
  • Page 10 ‘D’ SERIES COMMERCIAL POOL Rotating Seal PUMP DISASSEMBLY/ ASSEMBLY Spring See Exploded View, Page 14. Stationary Seat Shaft Seal Replacement NOTICE: The highly polished and lapped faces of the seal are easily dam- Figure 2 1419 1294 aged. Follow instructions and handle the seal with care. Be sure unit is grounded and power disconnected before attempting any work on pump or motor.
  • Page 11: Service

    NOTICE: BE SURE you do not scratch seal face. 6. Dispose of cardboard washer and recheck seal face to be sure it is free of dirt, foreign particles, scratches and grease. 7. Inspect shaft and shaft sleeve to be sure they are clean. 8.
  • Page 12 NOTICE: A clogged strainer basket will cause cavitation, which will damage strainer basket, impeller, and pump. Clean weekly or each time you vacuum pool, whichever comes first. NOTICE: Strainer basket is a close fit in body of strainer. When cleaning basket, do not deform.
  • Page 13: Troubleshooting Guide

    TROUBLESHOOTING GUIDE Read symptom describing problem below at left. Causes for problems (bottom) are keyed to numbers at right. Check pump for causes listed at right and correct those that apply. Hazardous voltage. Can shock, burn or kill. Turn circuit breaker to “OFF” or remove fuses before servicing. TROUBLE AND CAUSE REMEDY FAILURE TO PUMP...
  • Page 14: Repair Parts List

    ‘D’ Series Centrifugal Pumps – 3 and 5 HP 1362 1094SPC REPAIR PARTS LIST 3 HP 5 HP 3 HP 5 HP DMH-171 DMJ-111 DHH-169 DHJ-113 DMH3-171 DMJ3-111 DHH3-169 DHJ3-113 Part DM2H-110 DM2J-111 DH2H-112 DH2J-113 Description Used DM2H3-110 DM2J3-111 DH2H3-112 DH2J3-113 Motor - 60 Cycle - 230V, Single Phase C218-177...
  • Page 15: Repair Parts List

    EXPLODED VIEWS 6” Hair and Lint 8” Hair and Lint Strainer HAIR AND LINT STRAINER Strainer REPAIR PARTS LIST Pkg. 51 Pkg. 56 Part Pkg. 98 Pkg. 99 Description Cast Iron Bronze Lock Handle C154-18D C154-18D Cover - 6” C3-30 C3-78DZZ Cover - 8”...
  • Page 16: Warranty

    • Complete a warranty registration at www.staritepool.com by clicking on “Register Products” and selecting Sta-Rite Pool OR • Complete bottom portion completely and mail within 10 days of installation to Sta-Rite, Attn.: Pool Warranty Dept., 293 Wright St., Delavan , WI 53115 Warranty Registration Card ■...