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INSTALLATION, OPERATION
&
MAINTENANCE INSTRUCTIONS
1455 Kleppe Lane Sparks, NV 89431-6467 (775) 359-4712 Fax (775) 359-7424
Website:
E-mail:
haws@hawsco.com
www.hawsco.com
No. 0510000457(3)
Model 8780
Tempering Skid
General Area Classification & Class I Division 2
®
HAWS
P/N 0510000457 Rev.3 11/16
Model 8780
Page 1 of 20
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Summary of Contents for Haws 8780 Series
- Page 1 INSTALLATION, OPERATION & MAINTENANCE INSTRUCTIONS 1455 Kleppe Lane Sparks, NV 89431-6467 (775) 359-4712 Fax (775) 359-7424 Website: E-mail: haws@hawsco.com www.hawsco.com No. 0510000457(3) Model 8780 Tempering Skid General Area Classification & Class I Division 2 ® HAWS P/N 0510000457 Rev.3 11/16...
- Page 2 Provisions shall be made to prevent the unauthorized shutoff. Please refer to the enclosed instructions for flushing the unit prior to use. The ANSI Z358.1 standard requires an uninterrupted supply of flushing fluid. Haws plumbed emergency fixtures requires a minimum of 45-90 PSI flowing pressure. Flushing fluid should be tepid per ANSI Z358.1.
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Page 3: Description Of Product
DESCRIPTION OF PRODUCT Haws Corporation Performance Series model 8780 tempered water system is situated upon a fiber reinforced skid. The bright yellow, fiber-reinforced membrane is waterproof, chemically resistant, and protected with UV inhibitors for a long lasting finish. This system includes a standard 480 voltage, 3 phase power circuit and has additional 5 voltage options available. -
Page 4: Installation Procedure
CAUTION: Do not apply power to the unit until all water connections are made and the tank and piping are full of water. Applying power prematurely will damage the equipment. ® HAWS P/N 0510000457 Rev.3 11/16 Model 8780 Page 4 of 20... - Page 5 WARNING: System is not freeze protected without an energized electrical connection. It is recommended that installation be completed when ambient temperature is above freezing. ® HAWS P/N 0510000457 Rev.3 11/16 Model 8780 Page 5 of 20...
- Page 6 85ºF (29ºC) ± 2º. Programmable Logic Controller Display Set the current time and date in the controller (see instructions on page 7). ® HAWS P/N 0510000457 Rev.3 11/16 Model 8780 Page 6 of 20...
- Page 7 NOTE: If the blending valve temperature reading is incorrect, adjust the blending valve by turning the socket head screw counterclockwise located on the bottom of the center section of the valve body. ® HAWS P/N 0510000457 Rev.3 11/16 Model 8780 Page 7 of 20...
- Page 8 1 & 2 Start Summer Mode* 1 & 3 Local Alarm Light Function (On)* 3 & 4 Return from Summer to Normal Mode* *Not used on some models ® HAWS P/N 0510000457 Rev.3 11/16 Model 8780 Page 8 of 20...
- Page 9 The following table lists the inputs and outputs used in the system. please contact Haws Corporation at 1-888-640-4297. NOTE: For model specific program, Input Function Output Function I-00 Flow Switch Q-00 Tank Heater Contactor I-01 Horn Silence Button * Q-01...
- Page 10 These values can be checked on a routine basis. If the amount of time that the tank heater is on has increased, it may be an indication that the tank heater needs service or repair. ® HAWS P/N 0510000457 Rev.3 11/16 Model 8780...
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Page 11: Preventative Maintenance
Verify temperature gauge on center pipe of blending valve reads 84ºF ± 2ºF (29ºC ± 1ºC). Monthly • Verify eyewash flows. • Verify shower flow. • Verify correct operation of mixing valve. See Maintenance section. Quarterly • Flush Y – strainers (if installed) ® HAWS P/N 0510000457 Rev.3 11/16 Model 8780 Page 11 of 20... - Page 12 Check tank heater and tank for deposit buildup. Drain tank and clean/replace heater if necessary. • All valves should be periodically tested; at least once a year, more often if water is dirty. • Drain tank and verify level switch operation. ® HAWS P/N 0510000457 Rev.3 11/16 Model 8780 Page 12 of 20...
- Page 13 NOTE: For more information, refer to the Blending Valve System O&M manual. “Y” Strainers “Y” strainers should be blown out at the same time as scheduled testing of showers or monthly. For technical support, contact Haws' authorized service provider, Zevado™ | (888) 508-8065 | www.zevado.com ®...
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Page 14: Troubleshooting
Check and clean “Y” strainers. c) Check ball valves. Must be open and unclogged. d) Clogged flow control. If there are any questions that cannot be answered here, please consult Haws Corporation at 1-888-640-4297. For technical support, contact Haws' authorized service provider, Zevado™... - Page 15 SPARE PARTS Please call Haws Corporation to order spare parts: 1-888-640-4297 FUSES PRIMARY (PFU) AND CONTROLLER (CFU) VOLTAGE 208V, 1PH 0210000298 208V, 3PH 0210000298 240V, 1PH 0210000298 0210000297 240V, 3PH 0210000298 480V, 3PH 0210000070 600V, 3PH 0210000070 FUSES TANK HEATER (F1)
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Page 16: Power Supply
POWER SUPPLY POWER SUPPLY VOLTAGE 208V, 1PH 0210000189 208V, 3PH 0210000189 240V, 1PH 0210000189 240V, 3PH 0210000189 480V, 3PH 0210000190 600V, 3PH 0210000190 ® HAWS P/N 0510000457 Rev.3 11/16 Model 8780 Page 16 of 20... - Page 17 DRAWINGS NOTE: General drawing included. Please find specific drawings on website or contact Haws Corporation. a. Installation Drawing (8780.21.31-GA) ® HAWS P/N 0510000457 Rev.3 11/16 Model 8780 Page 17 of 20...
- Page 18 Electrical Schematic (8780.21.31-E) ® HAWS P/N 0510000457 Rev.3 11/16 Model 8780 Page 18 of 20...
- Page 19 Piping and Instrumentation Diagram (8780.21.31-PID) ® HAWS P/N 0510000457 Rev.3 11/16 Model 8780 Page 19 of 20...
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Page 20: Limited Warranty
Company upon inspection to be of defective material or not of first class workmanship, provided that claim is made in writing to Haws within a reasonable period after receipt of the product. Where claims for defects are made, the defective part or parts shall be delivered to the Company, prepaid, for inspection.
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