Chiller Basic Troubleshooting
description
Transcript of Chiller Basic Troubleshooting
![Page 1: Chiller Basic Troubleshooting](https://reader036.fdocuments.net/reader036/viewer/2022081421/563db934550346aa9a9b108f/html5/thumbnails/1.jpg)
BY PHIL RODIN
Air and Water Chiller Basic Class
![Page 2: Chiller Basic Troubleshooting](https://reader036.fdocuments.net/reader036/viewer/2022081421/563db934550346aa9a9b108f/html5/thumbnails/2.jpg)
Things to check when chiller is not running or is in alarm
![Page 3: Chiller Basic Troubleshooting](https://reader036.fdocuments.net/reader036/viewer/2022081421/563db934550346aa9a9b108f/html5/thumbnails/3.jpg)
Alarm showing water flow, pumps both chilled and condenser water types of flow switches
![Page 4: Chiller Basic Troubleshooting](https://reader036.fdocuments.net/reader036/viewer/2022081421/563db934550346aa9a9b108f/html5/thumbnails/4.jpg)
Alarm showing water flow, pumps both chilled and condenser water types of flow switches
![Page 5: Chiller Basic Troubleshooting](https://reader036.fdocuments.net/reader036/viewer/2022081421/563db934550346aa9a9b108f/html5/thumbnails/5.jpg)
Alarm showing water flow, pumps both chilled and condenser water types of paddle switches
![Page 6: Chiller Basic Troubleshooting](https://reader036.fdocuments.net/reader036/viewer/2022081421/563db934550346aa9a9b108f/html5/thumbnails/6.jpg)
Alarm showing water flow, pumps both chilled and condenser water types of electronic flow switches
Electronic flow switches have probes
![Page 7: Chiller Basic Troubleshooting](https://reader036.fdocuments.net/reader036/viewer/2022081421/563db934550346aa9a9b108f/html5/thumbnails/7.jpg)
Alarm Conditions
High Pressure1. Low water flow2. Cooling tower3. Strainers (locations?)4. Valves (electric or manual types)5. The entering and leaving water temp.6. Approach temp
![Page 8: Chiller Basic Troubleshooting](https://reader036.fdocuments.net/reader036/viewer/2022081421/563db934550346aa9a9b108f/html5/thumbnails/8.jpg)
Alarm conditions
![Page 9: Chiller Basic Troubleshooting](https://reader036.fdocuments.net/reader036/viewer/2022081421/563db934550346aa9a9b108f/html5/thumbnails/9.jpg)
Alarm conditions
![Page 10: Chiller Basic Troubleshooting](https://reader036.fdocuments.net/reader036/viewer/2022081421/563db934550346aa9a9b108f/html5/thumbnails/10.jpg)
Alarm conditions
![Page 11: Chiller Basic Troubleshooting](https://reader036.fdocuments.net/reader036/viewer/2022081421/563db934550346aa9a9b108f/html5/thumbnails/11.jpg)
Alarm conditionsChilled water flow
1. Pumps2. Strainers3. Valves (manual and electric)4. Flow switches5. Water temp in and out6. Approach temp
![Page 12: Chiller Basic Troubleshooting](https://reader036.fdocuments.net/reader036/viewer/2022081421/563db934550346aa9a9b108f/html5/thumbnails/12.jpg)
Alarm conditionsChilled water flow (cont.)
PRV
![Page 13: Chiller Basic Troubleshooting](https://reader036.fdocuments.net/reader036/viewer/2022081421/563db934550346aa9a9b108f/html5/thumbnails/13.jpg)
What is the oil temperature?
1. Feel the tank or read with inferred.2. Check control panel3. Check for power4. Think out of the box, How can we heat
this?
![Page 14: Chiller Basic Troubleshooting](https://reader036.fdocuments.net/reader036/viewer/2022081421/563db934550346aa9a9b108f/html5/thumbnails/14.jpg)
What is the oil temperature?(cont.)
![Page 15: Chiller Basic Troubleshooting](https://reader036.fdocuments.net/reader036/viewer/2022081421/563db934550346aa9a9b108f/html5/thumbnails/15.jpg)
What is the oil temperature?(cont.)
![Page 16: Chiller Basic Troubleshooting](https://reader036.fdocuments.net/reader036/viewer/2022081421/563db934550346aa9a9b108f/html5/thumbnails/16.jpg)
Pressure & Temp. Gauges(electronic)
![Page 17: Chiller Basic Troubleshooting](https://reader036.fdocuments.net/reader036/viewer/2022081421/563db934550346aa9a9b108f/html5/thumbnails/17.jpg)
Pressure & Temp. Gauges(fluid type)
![Page 18: Chiller Basic Troubleshooting](https://reader036.fdocuments.net/reader036/viewer/2022081421/563db934550346aa9a9b108f/html5/thumbnails/18.jpg)
Chiller Surging
ASK YOURSELF?????1. Is it a high or low end surge?2. Are your amps going up or down?3. The sound? a. Is it an elephant b. Is it a grumble
![Page 19: Chiller Basic Troubleshooting](https://reader036.fdocuments.net/reader036/viewer/2022081421/563db934550346aa9a9b108f/html5/thumbnails/19.jpg)
Chiller Surging(High & Low Surging)
High Surge on Low Pressure Machines1. Water temp. in and out.2. Approach 3. Cooling Tower4. Purge5. Refrigerant levels
![Page 20: Chiller Basic Troubleshooting](https://reader036.fdocuments.net/reader036/viewer/2022081421/563db934550346aa9a9b108f/html5/thumbnails/20.jpg)
Chiller Surging(High & Low Surging)
![Page 21: Chiller Basic Troubleshooting](https://reader036.fdocuments.net/reader036/viewer/2022081421/563db934550346aa9a9b108f/html5/thumbnails/21.jpg)
Chiller Surging(High & Low Surging)
![Page 22: Chiller Basic Troubleshooting](https://reader036.fdocuments.net/reader036/viewer/2022081421/563db934550346aa9a9b108f/html5/thumbnails/22.jpg)
Chiller Surging(High & Low Surging)
![Page 23: Chiller Basic Troubleshooting](https://reader036.fdocuments.net/reader036/viewer/2022081421/563db934550346aa9a9b108f/html5/thumbnails/23.jpg)
Chiller Surging(High & Low Surging)
![Page 24: Chiller Basic Troubleshooting](https://reader036.fdocuments.net/reader036/viewer/2022081421/563db934550346aa9a9b108f/html5/thumbnails/24.jpg)
Chiller Surging(capacity control)
![Page 25: Chiller Basic Troubleshooting](https://reader036.fdocuments.net/reader036/viewer/2022081421/563db934550346aa9a9b108f/html5/thumbnails/25.jpg)
Chiller Capacity Control
![Page 26: Chiller Basic Troubleshooting](https://reader036.fdocuments.net/reader036/viewer/2022081421/563db934550346aa9a9b108f/html5/thumbnails/26.jpg)
Low End Surge
1. Water temp. In and out2. Approach Temp.3. Water pressure4. Refrigerant levels
![Page 27: Chiller Basic Troubleshooting](https://reader036.fdocuments.net/reader036/viewer/2022081421/563db934550346aa9a9b108f/html5/thumbnails/27.jpg)
Low End Surge
![Page 28: Chiller Basic Troubleshooting](https://reader036.fdocuments.net/reader036/viewer/2022081421/563db934550346aa9a9b108f/html5/thumbnails/28.jpg)
Low End Surge
![Page 29: Chiller Basic Troubleshooting](https://reader036.fdocuments.net/reader036/viewer/2022081421/563db934550346aa9a9b108f/html5/thumbnails/29.jpg)
Transducers & Sensors Types
![Page 30: Chiller Basic Troubleshooting](https://reader036.fdocuments.net/reader036/viewer/2022081421/563db934550346aa9a9b108f/html5/thumbnails/30.jpg)
Transducers & Sensors Types
![Page 31: Chiller Basic Troubleshooting](https://reader036.fdocuments.net/reader036/viewer/2022081421/563db934550346aa9a9b108f/html5/thumbnails/31.jpg)
Panel Codes
1. Carrier code 11112. York code 9675 aka YORK3. Trane code ++--++ (different
combinations)
![Page 32: Chiller Basic Troubleshooting](https://reader036.fdocuments.net/reader036/viewer/2022081421/563db934550346aa9a9b108f/html5/thumbnails/32.jpg)
How’s the Chiller Running?
Is the chiller running in local?Is the chiller running in EMS?Are the pumps running?Are the valves open?Hand –off Auto (Think before going to hand)
![Page 33: Chiller Basic Troubleshooting](https://reader036.fdocuments.net/reader036/viewer/2022081421/563db934550346aa9a9b108f/html5/thumbnails/33.jpg)
Cavitation of Pumps
1. Strainers2. Water pressures3. Couplings4. Valves5. Primary or Secondary Loop
![Page 34: Chiller Basic Troubleshooting](https://reader036.fdocuments.net/reader036/viewer/2022081421/563db934550346aa9a9b108f/html5/thumbnails/34.jpg)
Questions(There is no such thing as a dumb question)
?
![Page 35: Chiller Basic Troubleshooting](https://reader036.fdocuments.net/reader036/viewer/2022081421/563db934550346aa9a9b108f/html5/thumbnails/35.jpg)