Haws 8780 Series Installation, Operation & Maintenance Instructions Manual Download

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HAWS

P/N 0510000457 Rev.3 11/16

Model 8780

Page 1 of 20

1455 Kleppe Lane



Sparks, NV 89431-6467



(775) 359-4712 Fax (775) 359-7424

E-mail:

[email protected]



Website:

www.hawsco.com

No. 0510000457(3)

Model 8780

Tempering Skid

General Area Classification & Class I Division 2

INSTALLATION, OPERATION

MAINTENANCE INSTRUCTIONS

Summary of Contents for 8780 Series

Page 1: ... 20 1455 Kleppe Lane Sparks NV 89431 6467 775 359 4712 Fax 775 359 7424 E mail haws hawsco com Website www hawsco com No 0510000457 3 Model 8780 Tempering Skid General Area Classification Class I Division 2 INSTALLATION OPERATION MAINTENANCE INSTRUCTIONS ...

Page 2: ...ons 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 The inspection and testing results of this equipment should be recorded weekly to verify proper operation This equipment should be inspected annually to ensu...

Page 3: ...igh temperature shutoff valve Also included is a pressure relief cold water bypass that protects against constricted flow There are no electrical components in the blending system Dry contacts are provided for remote alarm hookup SHIPPING HANDLING AND STORAGE Performance Series Model Description Dimensions W x L x H Weight Dimensions W x L x H Crated Weight Crated 8780 21 3X Tempering Skid 60 x 60...

Page 4: ...duct warranty d The expansion tank should be pre charged with compressed air to a pressure equal to the water supply pressure An air fitting is accessible on the top of the expansion tank under the plastic cap e The connection provided for the water supply is a 1 1 2 NPT union and 1 1 4 NPT union tempered water outlet Supply lines are expected to be capable of supplying 30 GPM of potable water at ...

Page 5: ...n The tank water must be allowed to heat up before the blending system will function properly Heating can take up to several hours depending on supply water temperature size of immersion heater and tank CAUTION Before turning on the power close all electrical boxes NOTE The emergency shower or eyewash should be utilized for testing of the blending system Refer to the Maintenance Testing and Repair...

Page 6: ...monitoring via plant control system if applicable Applying Power to the System Verify that the proper voltage is present Verify that equipment ground is properly connected Apply power to the system The tank heater set point is preset in the program It may take 4 to 6 hours for the tank to reach the operating temperature Once the tank has reached operating temperature for a minimum of 1 hour press ...

Page 7: ...t date or 2 to set time After date or time is set press the SHIFT and key to return to setup menu The Time and Date can be verified by pressing the or keys while in the normal operating screen 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 ...

Page 8: ...ed See electrical schematic for details A fault history is also provided to assist in monitoring the system performance Additionally the tank heater performance can be monitored to assist in determining when maintenance is required Accessing the different functions is accomplished by depressing the appropriate key s on the display The table below lists the key functions Key Function Display Fault ...

Page 9: ...3º for the 200 gallon tank the contactor will open and the element will become de energized A low level condition or an over temperature condition that has not been addressed will prohibit the contactor from closing even if the temperature is below the set point If the tank thermocouple falls to a point below 32 F 0 C a potential thermocouple failure is present and the tank heater contactor will n...

Page 10: ...elay before the first fault is displayed Each fault will be listed for 4 seconds as long as the left arrow key is depressed The time and date of each fault are stored in registers R 004 through R 021 Once the left arrow key is released the display will return to the normal condition display if no faults are present If there are faults in the system the display will return to the fault display when...

Page 11: ... time 3 PREVENTATIVE MAINTENANCE Weekly Verify the tank temperature readout on the display reads 165º F 2ºF 74ºC 1ºC Verify area lights located inside and outside the booth are operational Verify shower and eyewash flow per ANSI requirements 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 ...

Page 12: ...12 of 20 Annually 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 ...

Page 13: ...ature remains stable 3 Adjust mixing valve to a warmer setting until the temperature increases to roughly 88 F This step ensures that the hot shut off valve and by pass valve are working properly 4 Adjust valve back to 70 F 21ºC by adjusting the mixing valve in the cooler direction 5 Slowly return temperature in the warmer direction until a constant 84ºF 2 F 29ºC 1ºC is maintained Turn shower off ...

Page 14: ...uit fuses F1 e Check control voltage and power supply fuses PFU CFU Tank temperature too hot a Check controller setting b Check alarms on controller Uneven water flow to eyewash if applicable a Eyewash must be level b Clogged flow control Clean or replace flow control in eyewash head Insufficient water flow to eyewash or shower a Check water supply dynamic pressure 45 90 PSI b Check and clean Y st...

Page 15: ...6KW TANK HEATER F1 F1 QTY P N TYPE QTY P N TYPE 208V 1PH 2 0210000072 KTK R 25 2 0210000292 JKS 40 208V 3PH 3 0210000065 KTK R 15 3 0210000072 KTK R 25 240V 1PH 2 0210000072 KTK R 25 2 0210000293 JKS 35 240V 3PH 3 0210000065 KTK R 15 3 0210000164 KTK R 20 480V 3PH 3 0210000143 KTK R 10 3 0210000143 KTK R 10 600V 3PH 3 0210000142 KTK R 6 3 0210000143 KTK R 10 CONTACTORS TANK HEATER CON1 VOLTAGE CON...

Page 16: ... N 0510000457 Rev 3 11 16 Model 8780 Page 16 of 20 POWER SUPPLY POWER SUPPLY VOLTAGE P N 208V 1PH 0210000189 208V 3PH 0210000189 240V 1PH 0210000189 240V 3PH 0210000189 480V 3PH 0210000190 600V 3PH 0210000190 ...

Page 17: ...HAWS P N 0510000457 Rev 3 11 16 Model 8780 Page 17 of 20 DRAWINGS NOTE General drawing included Please find specific drawings on website or contact Haws Corporation a Installation Drawing 8780 21 31 GA ...

Page 18: ...HAWS P N 0510000457 Rev 3 11 16 Model 8780 Page 18 of 20 b Electrical Schematic 8780 21 31 E ...

Page 19: ...HAWS P N 0510000457 Rev 3 11 16 Model 8780 Page 19 of 20 c Piping and Instrumentation Diagram 8780 21 31 PID ...

Page 20: ...warranties either expressed or implied in addition to those above stated except that of title with respect to any of the products or equipment sold hereunder and that HAWS shall not be liable for general special or consequential damages claimed to arise under the contract of sale The emergency equipment manufactured by HAWS is warranted to function if installation and maintenance instructions prov...

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