8

Troubleshooting Guide

 

 

 

 

 

 

 

 

Problem

Cause

Solution

 

Chiller will not run.

 

Check main disconnect

 

 

No power.

fuses, wiring, and power

 

 

 

lead to the unit.

 

 

Wrong voltage supplied to

Voltage must be within plus

 

 

or minus 10% of the

 

 

the chiller.

 

 

nameplate rating.

 

 

 

 

 

Defective on/off switch.

Replace.

 

 

Control circuit fuse blown.

Replace, check the

 

 

transformer.

 

 

 

 

 

Defective control

Replace.

 

 

transformer.

 

 

 

 

Pump runs, compressor

No process load on the

Increase the process load.

 

cycles at short intervals.

chiller.

 

 

 

 

Refrigerant is low.

Check the refrigerant

 

 

charge.

 

 

 

 

The leaving water

Refrigerant is low.

Check the refrigerant

 

temperature is too high.

charge.

 

 

 

 

 

Make sure that the coolant

 

 

 

solution is right for the

 

 

Improper water/glycol

process — must be 75%

 

 

solution.

water and 25% glycol.

 

 

 

See Figure 6 on page 16

 

 

 

for more information.

 

Pump pressure is low (see

Check for foreign matter.

Clean the system.

 

pump curves).

 

 

 

 

Pump pressure is too high.

 

Check for partially closed

 

 

Restricted water flow.

valves, etc. Be sure all

 

 

 

lines are properly sized.

 

SMC Series Chillers

Page 37

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Sterling Power Products 30F to 65F installation manual Troubleshooting Guide, Problem Cause Solution

30F to 65F specifications

Sterling Power Products has established itself as a leader in the design and manufacturing of high-quality power management solutions for various applications. One of their standout products is the range of battery chargers, specifically the 30F to 65F models, which are engineered to meet the diverse needs of users, from recreational boating to commercial marine applications.

The Sterling 30F to 65F battery chargers are known for their versatility, efficiency, and advanced technology. These chargers are designed to convert a wide input voltage range into a precise DC output voltage tailored for charging various types of batteries, including lead-acid and lithium-ion. This adaptability makes them suitable for a broad spectrum of applications, ensuring that users can maintain their battery systems effectively, regardless of the environment or battery type.

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