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Haws TWBS.EW.H Installation, Operation & Maintenance Instructions Manual

Haws TWBS.EW.H Installation, Operation & Maintenance Instructions Manual

Tempered water blending system

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1455 Kleppe Lane Sparks, NV 89431-6467 (775) 359-4712 Fax (775) 359-7424
E-mail:
Tempered Water Blending System
BEFORE ATTEMPTING INSTALLATION OF THIS UNIT OR MAKING ANY ADJUSTMENTS
TO THE UNIT ALWAYS BE SURE MAIN CIRCUIT BREAKER IS OFF TO PREVENT DANGER
INSTALLER/ CONSUMER RESPONSIBILITIES
PLEASE TAKE THE TIME TO READ NOT ONLY THIS MANUAL BUT ALSO
THE WARRANTY CARD ENCLOSED. WARRANTY OF THIS HEATER WILL DEPEND ON
PROPER INSTALLATION, OPERATION, AND REQUIRED MAINTENANCE. THE
WARRANTY SHALL BE VOID IF THE DESIGN OR STRUCTURE OF THE WATER
HEATER HAS BEEN ALTERED IN ANY WAY WHATSOEVER. THE MANUFACTURER OF
THIS WATER HEATER WILL NOT BE LIABLE FOR ANY DAMAGES BECAUSE OF
AND OPERATING INSTRUCTIONS OUTLINED ON THE FOLLOWING
PAGES. IF YOU REQUIRE ANY HELP OR HAVE ANY QUESTIONS
INSTALLATION OR PERFORMANCE OF THIS HEATER, PLEASE CALL OUR
800-766-5612 OR CUSTOMER SERVICE 1-888-640-4297
HAVE THE INFORMATION LISTED BELOW BEFORE CALLING.
IF YOU NEED ASSISTANCE FROM OUR TECHNICAL SERVICE DEPARTMENT, MAKE
SURE YOU CAN IDENTIFY THIS WATER HEATER BY HAVING THE SERIAL NUMBER.
Model No. TWBS.EW.H
Serial No.
09/19
haws@hawsco.com
Model TWBS.EW.H
WARNING
OF SERIOUS ELECTRIC SHOCK.
FAILURE TO COMPLY WITH THE INSTALLATION
RELATING TO THE
TECHNICAL SERVICE DEPARTMENT:
Model TWBS.EW.H
INSTALLATION, OPERATION
MAINTENANCE INSTRUCTIONS
 website:
www.hawsco.com
&
No. 0002080380 (12)
Page 1 of 11

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Summary of Contents for Haws TWBS.EW.H

  • Page 1 800-766-5612 OR CUSTOMER SERVICE 1-888-640-4297 HAVE THE INFORMATION LISTED BELOW BEFORE CALLING. IF YOU NEED ASSISTANCE FROM OUR TECHNICAL SERVICE DEPARTMENT, MAKE SURE YOU CAN IDENTIFY THIS WATER HEATER BY HAVING THE SERIAL NUMBER. Model No. TWBS.EW.H Serial No. 09/19 Model TWBS.EW.H...
  • Page 2 (3/16” diameter). Do not use pipe dope. LOCATION OF UNIT: The Model TWBS.EW.H should be located as near as possible to the point of use. It must be installed in a vertical position with the inlet and the outlet at the bottom.
  • Page 3 Capacity HAWS TWBS.EW.H produces up to 4 gpm at a 45-psi dynamic inlet pressure. The warm water heater is designed to activate by individual electronic flow rate switches, at a minimum turn on flow rate of no less than .95 gpm. This unit is sized for one eyewash.
  • Page 4: Installation Procedure

    CAUTION: THIS UNIT IS INTENDED FOR INDOOR USE ONLY. APPLICATION The standard TWBS.EW.H is sized to heat enough water for one eyewash at a time. This Water Heating System should be installed in close proximity to the eyewash. It should be clearly identified, with easy access and free from obstructions.
  • Page 5: Water Supply

    For example: an excessive draw-off of cold water just before the unit. Also, do not fit an unrestricted hot water draw-off point below the heater as this will tend to empty the heater by siphoning. 09/19 Model TWBS.EW.H Page 5 of 11...
  • Page 6 See troubleshooting if any problems. IMPORTANT: REPEAT TEST PROCEDURE WEEKLY! THIS UNIT MUST NOT BE CONNECTED IN STAR CONFIGURATION WARNING FAILURE TO GROUND THE SYSTEM MAY RESULT IN DEATH OR SERIOUS INJURY 09/19 Model TWBS.EW.H Page 6 of 11...
  • Page 7: Troubleshooting

    WATER CONNECTIONS ARE REVERSED Cold water inlet = right side, hot water outlet = left side. ELEMENT BURNED OUT TURN OFF THE MAIN BREAKER! 09/19 Model TWBS.EW.H Page 7 of 11...
  • Page 8: Replacement Parts

    For more information about Haws products, see our website: www.hawsco.com. ® Corporation – All Rights Reserved © 2019 Haws ® HAWS and other trademarks used in these materials are the exclusive property of Haws Corporation. 09/19 Model TWBS.EW.H Page 8 of 11...
  • Page 9 09/19 Model TWBS.EW.H Page 9 of 11...
  • Page 10 09/19 Model TWBS.EW.H Page 10 of 11...
  • Page 11 0002080380.D TWBS.EW.H DRAWN: DATE: CHK'D.: REVISION 04/30/04 APPROVED: DATE: 09/17/19 SCALE: 1:10 DRAWING TYPE: INSTALLATION SIZE: A SHEET 2019 Haws Corporation - All Rights Reserved. HAWS and other trademarks used in these materials are the exclusive property of Haws Corporation.