Pub. No. 2200772355 — October 2006 11

AIR DRYER SERVICE CHECKLIST

Please get answers to as many questions as you can before writing or calling for service.

1. Customer’s Name_____________________________________________________________________________________

Phone no. ____________________________________ Fax no.______________________________________________

2. Model no. ____________________________________ Serial no.____________________________________________

Voltage L1 ____________ L2_________________ L3_______________ PH _______________ HZ_______________

Amp draw L1____________________________ L2 _______________________ L3 ___________________________

Actual air ﬂow (SCFM) _________________________ Compressor HP_______________________________________

3. Description of problem

____________________________________________________________________________________________________

4. Air in temperature (°F) _________________________________________________________________________________

5. Air out temperature (°F) ________________________________________________________________________________

6. Air in pressure (PSIG)__________________________________________________________________________________

7. Air out pressure (PSIG) ________________________________________________________________________________

8. Refrigerant suction pressure when unit is operating (PSIG) __________________________________________________

9. Refrigerant suction pressure when unit is not operating (PSIG) _______________________________________________

10. Refrigerant discharge pressure when unit is operating (PSIG) ________________________________________________

11. Inspect refrigerant suction line at the outlet of air to refrigerant heat exchanger:

Cold ______________________ Hot ___________________ Temperature (°F) _________________________________

12. Inspect refrigerant suction line at inlet of compressor: Temperature (°F) ________________________________________

13. Separator skin temperature (°F) _________________________________________________________________________

14. Location of unit Indoor ________________________ Outdoor _________________________________________

Clean_________________________ Dusty ____________________________________________

15. Ambient temperature (°F)________________ Air-cooled condenser clean? Yes________________ No ____________

16. a. Water-cooled condenser: City ______________________________Tower_____________________________________

b. Inlet water temperature (°F) _____________________ Outlet water temperature (°F)__________________________

c. Inlet water pressure (PSIG) ___________________ Outlet water pressure (PSIG) _______________________________

17. Inspect auto drain, operation: Stuck open ____________________ Stuck closed ______________________________

NOTE: Maintenance Personnel, Copy This Page, Fill In Form and Fax to 262-658-1945

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