INSTRUCTING THE CUSTOMER OPERATOR
Use the following as a guide in giving operat
ing instructions to the customer operator:
1. Be sure that the customer operator has a
copy of the 19DA Operation and Maintenance
Instructions and has read them carefully.
2. Point out the following components and ex
plain function of each.
a. Control Panel
b. Automatic Thermal Purge System
c. Compressor-Motor-Transmission
Assembly
(1) Prewhirl Guide Vanes, Vane Motor
and Linkage
(2) Refrigerant-Cooled Motor
(3) Transmission
d. Unishell Cooler-Condenser
(1) Float Chamber
(2) Rupture Disc
(3) Refrigerant Charging Line
(4) Refrigerant Agitator Lines
(5) Purge Collection Chamber
e. Oil Cooler-Filter-Pump Assembly
f. Auxiliary Gages and Thermometers
3. Describe the Refrigeration Cycle.
4. Describe the Compressor Lubricating Oil
System.
a. Oil heater and thermostat function and
setting of oil temperature
b. Oil level requirements
5. Point out safety and operating controls and
explain function of each.
a. Standard Controls
b. Special Controls (if installed)
6. Explain Oil Cooler Water System.
a. Solenoid Valve
b. Water Plug Cock
7. Describe Purge Cycle.
a. Valve Designation
b. Controls and Settings
c. Importance of proper purge operation
8. Review general maintenance items.
a. Daily, Monthly, Yearly
b. Extended Shutdowns
c. Point out importance of maintaining Log
Sheet
d. Importance of water treatment
9. Check operator's knowledge of machine.
a. Start and Stop Procedure
b. Safety and Operating Controls •
10. Advise the customer operator regarding
spare parts ordering and Carrier service
available.
11. Review the Operation and Maintenance In
structions.
Manufacturer reserves the right to change any product specifications without notice
Tab 15 Form 19DA-1SS Supersedes 19D2-4005 Printed in U.S.A.
9-66 Code MA Catalog No. 591-912
