Summary of Contents for Bell and Gossett Hoffman Specialty Watchman WC Series
- Page 1 INSTRUCTION MANUAL DN0147 REVISION H Hoffman Specialty ® Vented Condensate Units Watchman Series WC, ™ ™ and Series SCC ™ WCS Simplex WC Duplex SCC4 Watchman® WCD-12-20BMA Watchman® WCS8-20B...
- Page 3 REPRESENTATIVE WIRING DIAGRAMS WATCHMAN ® SIMPLEX UNITS, SINGLE PHASE 1DW129A 1DW130A MOTOR MOTOR FLOAT SWITCH FLOAT SWITCH POWER SUPPLY, POWER SUPPLY, PRIMARY PROTECTION PRIMARY PROTECTION BY OTHERS BY OTHERS FIELD WIRING SHOULD BE IN ACCORDANCE WITH DASHED LINE WIRING & COMPONENTS BY OTHERS NATIONAL ELECTRIC CODE.
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Page 4: Operation And Maintenance
PUTTING THE UNIT INTO SERVICE CAUTION: DO NOT REVERSE Reverse operation can cause extensive damage to Assure that the unit is piped in accordance with instructions pumps. Jog the motor to test for direction of rotation. Failure in this manual. to follow these instructions could result in injury or property damage. - Page 5 TANK FLOAT SWITCH INSTRUCTIONS APPLICATION - For automatically controlling the liquid level in a closed tank by float movement. MOUNTING - Screw-in Tank Float Switches are mounted directly to the tank by means of the 2 " I.P.S. threaded fitting (D).
- Page 6 PUMP SERVICE INSTRUCTIONS FOR WATCHMAN “B” DESIGN CENTRIFUGAL PUMPS These close coupled vertical centrifugal pumps are equipped 12. To install new seal proceed as follows: Clean recess in seal with mechanical seals. If system has not been properly cleaned holder thoroughly. Orient motor so that conduit opening on prior to installation of pump, foreign matter such as dirt, pipe motor is to the left when looking at motor shaft.
- Page 7 WATCHMAN “B” DESIGN (FULL MOTOR) PUMP PARTS LIST ITEM NUMBER PART NUMBER DESCRIPTION REQUIRED NUMBER Motor hp. 1ph, 3500 rpm DM0005 Seal Holder DP1966 Seal* – Impeller DP0321 Head Gasket* DG0092 Pump Case with Wearing Ring DP1665 Capscrew DJ0083 Wear Ring DP0482 Pipe Plug "...
- Page 8 INSTRUCTIONS FOR THE REPLACEMENT OF MECHANICAL SEALS ON “WATCHMAN” UNIT WITH “A” DESIGN PUMP & MOTOR ASSEMBLIES These close coupled vertical centrifugal pumps are equipped 13. To install new seal proceed as follows: Clean recess in with mechanical seals. If system has not been properly cleaned pump head thoroughly.
- Page 9 WATCHMAN “A” DESIGN PUMP AND MOTOR ASSEMBLY ITEM NUMBER PART NUMBER DESCRIPTION REQUIRED NUMBER Motor with Pump Head 180061 Water Slinger DP0848 Pump Head DP0206 Head Gasket DG0134 Impeller DP0321 Case Wearing Ring DP0482 9-10 Pump Case with Wearing Ring DP1602 Head to Case Capscrews DJ0077...
- Page 10 PUMP SERVICE INSTRUCTIONS FOR CENTRIFUGAL PUMPS ® (Other Than “Watchman ” Pumps) Vertical mounting puts motor above floor dirt and water Close coupled centrifugal pumps are designed for years of 11. Remove stationary part of seal assembly, being careful not trouble free service.
- Page 11 616PF PUMP USED ON SCC ITEM NUMBER PART NUMBER DESCRIPTION REQUIRED NUMBER Motor - Order by Description Consult Factory Impeller Consult Factory Pump Head DP0208 Case with Wear Ring DP1603 Wearing Ring DP0482 Impeller Capscrew DJ0213 Impeller Washer DJ0267 Capscrews DJ0066 Water Slinger DP0848...
- Page 12 Xylem Inc. 8200 N. Austin Avenue Morton Grove, Illinois 60053 Phone: (847) 966-3700 Fax: (847) 965-8379 www.xylem.com/bellgossett Bell & Gossett is a trademark of Xylem Inc. or one of its subsidiaries. © 2019 Xylem Inc. DN0156H March 2019...