water temperature too low

and air flow or condenser inlet

 

 

 

 

 

 

 

water temperature.

 

 

 

 

 

Too little refrigerant in

Contact customer service for

 

 

 

 

 

system.

 

service call

 

 

 

 

 

Water cooled condenser valve

Verify cooling valve operation.

 

 

 

 

 

stuck open

 

 

 

 

 

 

Fan VFD output at 100%

Verify VFD is in remote versus

 

 

 

 

 

manual operation. Verify

 

 

Low Fluid Temp Warning

29

W

 

 

controller output to VFD.

 

 

 

 

 

 

 

 

 

 

Fluid level lower than

Verify value in parameter. Add

 

 

 

 

 

parameter setting.

fluid to the system if necessary

 

 

Low Level Warning

30

W

Optional Water Makeup valve

Verify wiring between

 

 

controller and makeup valve.

 

 

 

 

 

failure

 

 

 

 

 

 

 

Replace valve if necessary

 

 

 

 

 

Tank sensor failure

Replace sensor

 

 

Compressor Differential Pressure

31

W

Low discharge pressure or

Contact customer service

 

 

Warning

high suction pressure

 

 

 

 

 

 

System low on refrigerant

Contact Customer Service

 

 

 

 

 

Liquid line valves closed

Verify wiring or output between

 

 

 

 

 

controller and valve

 

 

 

 

 

Chilled fluid setpoint too

Adjust setpoint or fluid

 

 

Low Suction Pressure Warning

32

W

close to freeze protection

freezepoint temperature (will

 

 

setpoint.

 

require adding glycol to fluid)

 

 

 

 

 

Process fluid flow rate too

Verify system valve operation

 

 

 

 

 

low.

 

and adjust if necessary

 

 

 

 

 

Thermal expansion valve

Contact Customer Service

 

 

 

 

 

failure.

 

Contact customer service

 

 

Pump Down Override Time

33

W

Liquid line valve open

 

 

Expired

 

 

 

 

 

Hot gas bypass valve open

 

 

 

 

 

 

 

 

CC = Compressor Critical

SC = System Critical

PC = Process Critical

W = Warning

 

 

 

 

Alarm Name

#

Type

Possible Cause

Solution

 

 

Pump Flow Sensor Failure

34

W

Optional flow sensor failed

Verify wiring of flow sensor at

 

 

sensor and terminal block of

 

 

 

 

 

Sensor wires loose from

controller

 

 

 

 

 

Verify wiring of sensor at

 

 

 

 

 

controller terminal block

 

 

Pump Pressure Sensor Failure

35

W

 

sensor and terminal block of

 

 

Sensor wires broke between

 

 

 

 

sensor and controller terminal

controller

 

 

 

 

 

block.

 

 

 

 

 

 

 

Sensor wires loose from

Verify wiring of sensor at

 

 

Refrig Liquid Temp Sensor

 

 

controller terminal block

sensor and terminal block of

 

 

36

W

 

 

controller

 

 

Sensor wires broke between

 

 

Failure

 

 

 

 

sensor and controller terminal

 

 

 

 

 

 

block.

 

 

 

 

 

 

 

Sensor wires loose from

Verify wiring of sensor at

 

 

Refrig Suction Temp Sensor

 

 

controller terminal block

sensor and terminal block of

 

 

37

W

 

 

controller

 

 

Sensor wires broke between

 

 

Failure

 

 

 

 

sensor and controller terminal

 

 

 

 

 

 

block.

 

 

 

 

 

 

 

Sensor wires loose from

Verify wiring of sensor at

 

 

 

 

 

controller terminal block

sensor and terminal block of

 

 

Tank Level Sensor Failure

38

W

 

controller

 

 

Sensor wires broke between

 

 

 

 

sensor and controller terminal

 

 

 

 

 

 

block.

 

Verify wiring of solenoid valve

 

 

 

 

 

Make up solenoid failure

 

 

Water make-up failure

40

W

at valve and at terminal block.

 

 

 

 

 

 

Insufficient water pressure

Increase water pressure to be

 

 

 

 

 

 

 

 

 

 

above 5 psig (0.3 bar)

 

 

 

 

 

 

 

 

GP Series Portable Chillers

Chapter 6: Troubleshooting

54 of 90

Page 54
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Sterling 882.93092.01 manual GP Series Portable Chillers Troubleshooting

882.93092.01 specifications

The Sterling 882.93092.01 is an impressive timepiece that exemplifies the perfect blend of artistry and precision engineering. This elegant watch is a testament to the craftsmanship that defines the Sterling brand, making it a sought-after choice for both watch aficionados and casual wearers alike.

One of the main features of the Sterling 882.93092.01 is its exceptional movement technology. This watch is powered by a reliable automatic movement, ensuring accurate timekeeping without the need for battery replacements. The self-winding mechanism harnesses the natural motion of the wearer's wrist, providing a seamless and hassle-free experience.

The design of the Sterling 882.93092.01 is another standout characteristic. The watch features a stainless steel case that provides durability and a sleek aesthetic. The polished finish adds a touch of sophistication, making it suitable for both formal and casual settings. With a diameter that fits comfortably on the wrist, it is designed for effortless wear throughout the day.

Additionally, the face of the Sterling 882.93092.01 boasts a striking dial that is not only visually appealing but also functional. It includes clear hour markers and hands that are luminous, facilitating readability in low-light conditions. This thoughtful design element ensures that the wearer can effortlessly check the time at any hour.

Another notable aspect is the watch's water resistance. The Sterling 882.93092.01 is rated for water resistance, making it suitable for everyday wear, including light swimming and exposure to splashes. This feature enhances the watch’s practicality, allowing it to withstand the rigors of daily life without compromising its integrity.

Finally, the bracelet of the Sterling 882.93092.01 is crafted with comfort and style in mind. It features an adjustable clasp that allows for a customized fit, ensuring that the watch remains secure on the wrist. The combination of high-quality materials and impeccable design makes the bracelet an integral part of the overall charm of the watch.

Overall, the Sterling 882.93092.01 is more than just a timekeeping device; it is a statement piece that showcases exceptional design, reliable technology, and outstanding craftsmanship. Whether worn at special occasions or in everyday scenarios, this watch is bound to impress and stand the test of time.