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LLC

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u

ultrasonic water level control

INSTALL ATION - OPERATION - MAINTENANCE

Z1079969 ISSUED 10/2018

READ AND UNDERSTAND THIS MANUAL PRIOR TO OPERATING OR SERVICING THIS PRODUCT.

user manual

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Содержание LLC+u

Страница 1: ...LLC u ultrasonic water level control INSTALLATION OPERATION MAINTENANCE Z1079969 ISSUED 10 2018 READ AND UNDERSTAND THIS MANUAL PRIOR TO OPERATING OR SERVICING THIS PRODUCT user manual ...

Страница 2: ...on and follow all instructions Save this manual for future reference Note Indicates presence of a hazard which can cause severe personal injury death or substantial property damage if ignored Indicates special instructions on installation operation or mainte nancewhichareimportantbutnotrelatedtopersonalinjuryhazards Warning Note The following defined terms are used throughout this manual to bring ...

Страница 3: ...r 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 the control...

Страница 4: ...Ethernet Solenoid Pump Pump BMS Stilling Chamber Basin Floor 6amp 120 1 60 Utility Supply Junction Box Extension if required Display SYSTEM DIAGRAM LLC Components Optional Field Components by others High and low water alarms can be utilized to give warn ings associated with abnormal operating water levels To provide indication of these types of alerts the control sys tem provides dry contacts to i...

Страница 5: ...vides 120 VAC power for the solenoid Seal field added conduit holes withsiliconeorexpandingfoamto create a vapor barrier to prevent water vapor inside the enclosure 4 2 0 m A o u t p u t s i g n a l representing actual water level for remote BMS monitoring Connect alarm and or cutoff controlwiringtothegreyterminal points Ultrasonic sensor wiring Selector Switch Operation HAND position Solenoid wil...

Страница 6: ...programmed levels Requires field programming 1 Measure and program the distance between sensor and water basin floor 2 Program the water level setpoints 3 Operate WATER MAKE UP selector switch to operate solenoid valve circuit TheWATERMAKEUPselectorswitchcontrolsthemakeup solenoid circuit HAND position manually energizes remote makeup solenoid OFF position no power to remote makeup solenoid AUTO p...

Страница 7: ... two circuit breakers to the up position Measure the distance from the bottom of the ultrasonic sensor to the basin floor Access the program by pressing GOTO SETUP Press the light blue screen cell under ENTER PASSWORD bringing up a yellow keypad then enter password 1492 factorydefaultpassword andpressENT to access the setup screens BOTTOM OF SENSOR TO BASIN FLOOR 1 CIRCUIT PROTECTION ...

Страница 8: ...al programming screens On each screen enter the water level setpoint values by pressing the light blue cell and entering a value on the yellow keypad then press ENT to save Recommendedlevelsareuniqueforevery cooling tower and are available from your Marley sales representative When finished press GO TO MAIN to return to main screen On the main screen are view actual water level and relay actions T...

Страница 9: ...or water makeup in the LLC u control panel provides an inde pendent circuit breaker for direct connection to a 110 120VAC water solenoid valve Thisaddedfeatureallowscustomerinstallationwithouthavingtoprovide an additional power circuit to energize the solenoid The solenoid is connected toterminals2Aand4Aasrepresentedonthecontrol sspecificwiringdiagram Purpose and Function of the HAND OFF AUTO Swit...

Страница 10: ...ou can see some copper wire exposed assuring a metal to metal connection The sensor wire is a four wire plus shielded cord The red and black wires connect to terminal points 24 and 13 The shield connects to ground Always refer to the as built wiring diagram on the inside door panel for current connection points Tape back the white and green wires that are not used If sensor wires were extended in ...

Страница 11: ...WG PVC cable 120 VAC LINE VOLTAGE 2 POLE 6AMP HOT GND NEUTRAL Wiring diagram is typical Refer to wiring diagram on inside of the enclosure door for actual as built wiring diagram which may include project specific options Wire 120 VAC incoming voltage supply to line side top of the main 2 pole circuit breaker CB1 and CB2 Wire 120 VAC remote makeup solenoid to terminal points 2A and 4A Wire alarm a...

Страница 12: ... the interest of technological progress all products are subject to design and or material change without notice LLC u water level control 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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