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Marley Fluid Cooler Pump, User Manual

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Marley Fluid Cooler Pump User Manual Download Page 4

4

installation

Circulating Pump Circuits

For the low-water safety circuit connect the two “low water probes”, located in 
the basin stilling chamber to user terminal points in the control panel. Marley 
probes are furnished with 20'-0" leads. Refer to the wiring diagram in the 
control panel for connection points.

Stilling Chamber

Water Level Card

Water Level Probes

Summary of Contents for Fluid Cooler Pump

Page 1: ...THIS MANUAL PRIOR TO OPERATING OR SERVICING THIS PRODUCT Fluid Cooler Pump control panel INSTALLATION OPERATION MAINTENANCE Z0628618_C ISSUED 7 2020 READ AND UNDERSTAND THIS MANUAL PRIOR TO OPERATING OR SERVICING THIS PRODUCT user manual ...

Page 2: ... tag out safety requirements Main circuit breaker with thermal and magnetic overload protection Door mounted operators Pump starter Pilot lights Status contacts Wiring diagram laminated and mounted on inside door Built to UL508 and CUL508 safety requirements Options Single Point Power Connection Integrated basin heater controls Integrated water level controls VFD feeder breaker if fan is controlle...

Page 3: ...onsible for 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 safety issues that are affected by these items Thefollowingsafetyissuesshouldbeaddressedbythoseresponsible for installation maintenance or repair of the tower and controls Access to and from t...

Page 4: ...ect the two low water probes located in the basin stilling chamber to user terminal points in the control panel Marley probes are furnished with 20 0 leads Refer to the wiring diagram in the control panel for connection points Stilling Chamber Water Level Card Water Level Probes ...

Page 5: ...nel The thermostat has two sets of terminal points Use either the left or right two points oriented in a vertical column Adjust the temperature range so the red arrow on the left points to 35 F as shown below The thermostat provided with this system requires adjustment Removetheinnermostbrassfittinglocatedonthethermostatenclo sure to gain access to the adjusting screw Adjust cut out set point temp...

Page 6: ...nel wiring diagram Cycling the pump on and off for temperature control could cause scaling on the coils and is not recommended OFF ON Selector Switch OFF position pump motor is off ON position pump motor will run constantly unless a safety circuit is activated If the water temperature in the cold water basin drops to 35 F a N O contact from the remote thermostat will close and latch in a relay whi...

Page 7: ...e in the basin for the temperature controller and includes a low water cutout circuit preventing the control from energizing if the sensor is not submerged in water Standard sensor lead length is 30 0 longer leads are available The solid state control card is located inside the control panel A power contactor inside the control panel is used to energize the heating element The temperature card and...

Page 8: ...for connection to remote devices such as makeup solenoids and alarms operation Stilling Chamber Water Level Card Water Level Probes Water make up control Form C 1 N O 1 N C contact wired to 120 VAC fused circuit for customer use to power a remote solenoid High water alarm N O contact wired to user terminal block Low water alarm N O contact wired to user terminal block High water cutoff N C contact...

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Page 12: ...In the interest of technological progress all products are subject to design and or material change without notice Fluid Cooler Pump control panel US E R MAN UAL SPX COOLING TECHNOLOGIES INC 7401 WEST 129 STREET OVERLAND PARK KS 66213 USA 913 664 7400 spxcooling spx com spxcooling com ...

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