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Z0628617_B

  |  

ISSUED 07/2018   

© 2009-2018 SPX COOLING TECHNOLOGIES

  |  

ALL RIGHTS RESERVED

In the interest of technological progress, all products are subject to design  
and/or material change without notice.

LLC 

water level control

U S E R MAN UAL

SPX COOLING TECHNOLOGIES, INC.

7401 WEST 129 STREET
OVERLAND PARK, KS 66213 USA
913 664 7400  |  [email protected]

spxcooling.com

Содержание MARLEY LLC

Страница 1: ...LLC water level control INSTALLATION OPERATION MAINTENANCE Z0628617_B ISSUED 07 2018 READ AND UNDERSTAND THIS MANUAL PRIOR TO OPERATING OR SERVICING THIS PRODUCT user manual...

Страница 2: ...ation and operation of the LLC controls Carefully read the manual before installationoroperationandfollowallinstructions Savethismanual for future reference Note Indicates presence of a hazard which c...

Страница 3: ...installing operating or maintaining the tower and controls However since SPX Cooling Technologies does not control the tower location or field installation we cannot be responsible for addressing saf...

Страница 4: ...ts Connect water level probe wiring to the blue terminals The probes are generally located in the cold water basin of the cooling tower To avoid water getting into the control panel all conduit entrie...

Страница 5: ...Stilling Chamber Basin Floor 6amp 120 1 60 Utility Supply Junction Box by others if required Extension if required Display SYSTEM DIAGRAM LLC Components Optional Field Components by others High and l...

Страница 6: ...rcuit When the water level drops below this tip the continuity between this probe and the reference probe is interrupted and the relay contacts transfer The distance from the tip of the low probe to t...

Страница 7: ...customer installation without having to provide an additional power circuit to energize the solenoid The solenoid is connected to terminals 2A and 4A as represented on the control s specific wiring d...

Страница 8: ...when the system includes a water makeup circuit The additional circuit breaker provides an exclusive control circuit for a 120VAC water solenoid valve High and low circuit relay cards and the appropri...

Страница 9: ...ater for accurate readings Illustrations Describing Operation Sequence The next three pages are simplified illustrations representing the sequence of operation for each type of circuit card Page 10 Ma...

Страница 10: ...TROL PANEL Power ON Relay Contact Closed 4A 2 Valve Open 120VAC Water Level Rising REFERENCE PROBE 13 14 15 MAKE UP ON PROBE MAKE UP OFF PROBE CIRCUIT CARD with RELAY SOLENOID VALVE ENERIZED CONTROL P...

Страница 11: ...17 HIGH CUTOFF PROBE Water Level CIRCUIT CARD with RELAY DE ENERIZED CONTROL PANEL Power OFF Relay Contact Open CIRCUIT CARD with RELAY ENERIZED CONTROL PANEL Power ON Relay Contact Closed Water Leve...

Страница 12: ...PROBE 13 18 13 19 CIRCUIT CARD with RELAY DE ENERIZED CONTROL PANEL Power OFF Relay Contact Open CIRCUIT CARD with RELAY ENERIZED CONTROL PANEL Power ON Relay Contact Closed ENERIZED CONTROL PANEL Po...

Страница 13: ...the field check to make sure the extension wire is numbered correctly and connections are secure After time contaminates may build up on the probe tips Clean tips with an abrasive cleaning pad and ma...

Страница 14: ...nce GND Tip Only Part Number D20718 Threaded Probe Tip Standard Part Number 2580240 Includes red cap and small hat shaped copper crimp on connector Additional part numbers can be found on the next pag...

Страница 15: ...ft wire D20711 Standard Probe Sensor Complete with tip and 30 ft wire D20707 Reference GND Probe Sensor Complete with tip and 20 ft wire D20712 Reference GND Probe Sensor Complete with tip and 50 ft w...

Страница 16: ...Low Alarm 30 08 24223 Makeup High Alarm 31 08 24234 Makeup High Alarm High Cutoff 32 08 24235 Makeup High Alarm Low Cutoff 33 08 24236 Makeup High Cutoff Low Alarm 34 08 24237 Makeup Low Alarm Low Cut...

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Страница 48: ...D In the interest of technological progress all products are subject to design and or material change without notice LLC water level control US E R MAN UAL SPX COOLING TECHNOLOGIES INC 7401 WEST 129 S...

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