|
Automatically Resets When Discharge
Pressure Falls To A Safe Level - Control Located Inside Chiller
Unit. |
|
Water Cooled Condenser |
|
|
Cause |
|
Remedy |
|
9.3.11 |
Water regulation valve |
1. |
Adjust condenser water regulating valve to maintain 190 to
210 PSIG refrigerant head pressure. If valve is defective
have valve repaired or replaced by a refrigeration serviceman. |
|
9.3.12 |
Insufficient condenser water flow. |
2. |
Check condenser water pumping system. |
|
9.3.13 |
Condenser water temperature too high. |
3. |
Check cooling tower for proper operation (i.e.; tower fans,
fan belts and spray nozzles. |
|
9.3.14 |
Condenser water tube scaled |
4. |
Clean with brushes and chemicals approved by Budget Chillers. |
|
9.3.15 |
Excess refrigerant. |
5. |
Have refrigeration serviceman purge system while operating
until bubbles first appear in sight glass. Then have unit
recharged until glass just clears. |
|
9.3.16 |
Air in system |
6. |
Have refrigeration serviceman purge the system. |
|
9.3.17 |
Improperly set high pressure control. |
7. |
Have refrigeration serviceman reset or replace the control
if defective. |
| a |
|
|
|
|
9.0 | 9.1
| 9.2 | 9.3 |
9.36 | 9.3.11
| 9.4 | 9.5 |
9.6 | 9.7 | 9.8
|
