SPX MARLEY LLC User Manual Download | Manualshive

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Summary of Contents for MARLEY LLC

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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Page 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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